fix task #23 conection status. and merge into master

.gitignore

@@ -14,3 +14,4 @@ node_modules
 */tests/*.mnemonic
 */ng-example/*
 .vscode/settings.json
+.env.local

Cargo.lock

@@ -3290,6 +3290,7 @@ dependencies = [
  "serde",
  "serde_bytes",
  "serde_json",
+ "sys-locale",
  "tauri",
  "tauri-build",
  "tauri-plugin-window",
@@ -3408,7 +3409,7 @@ dependencies = [
  "serde",
  "sha1",
  "sha2 0.10.8",
- "siphasher 0.3.10",
+ "siphasher 1.0.1",
  "thiserror",
  "zstd",
 ]
@@ -3449,7 +3450,7 @@ dependencies = [
 [[package]]
 name = "ng-rocksdb"
 version = "0.21.0-ngpreview.4"
-source = "git+https://git.nextgraph.org/NextGraph/rust-rocksdb.git?branch=master#e566341c319eead6637b1aecce5e92136e946ae5"
+source = "git+https://git.nextgraph.org/NextGraph/rust-rocksdb.git?branch=master#f1ce2e345f3d729350a02bcffb47c526674edd85"
 dependencies = [
  "bindgen",
  "bzip2-sys",
@@ -3482,6 +3483,7 @@ dependencies = [
  "serde_bare",
  "serde_bytes",
  "serde_json",
+ "sys-locale",
  "wasm-bindgen",
  "wasm-bindgen-futures",
  "wasm-bindgen-test",
@@ -5352,6 +5354,18 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "sys-locale"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e801cf239ecd6ccd71f03d270d67dd53d13e90aab208bf4b8fe4ad957ea949b0"
+dependencies = [
+ "js-sys",
+ "libc",
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "system-configuration"
 version = "0.6.0"

Cargo.toml

@@ -38,6 +38,9 @@ documentation = "https://docs.nextgraph.org/"
 lto = true
 opt-level = 's'
 
+[profile.dev]
+opt-level = 2
+
 [patch.crates-io]
 # tauri = { git = "https://github.com/simonhyll/tauri.git",  branch="fix/ipc-mixup"}
 # tauri = { git = "https://git.nextgraph.org/NextGraph/tauri.git", branch="alpha.11-nextgraph", features = ["no-ipc-custom-protocol"] }

docker/Dockerfile.alpine

@@ -0,0 +1,36 @@
+# Use rust's latest alpine image as base image.
+FROM rust:alpine
+
+ENV LD_LIBRARY_PATH=/lib:$LD_LIBRARY_PATH
+
+RUN apk add git nodejs npm llvm-static llvm-dev clang-static clang-dev openssl openssl-dev perl gtk+3.0-dev webkit2gtk-dev librsvg-dev curl wget pkgconf eudev-dev build-base zlib-static bzip2-static build-base ncursers-static && \
+    # Install Rust and Node.js tools
+    cargo install cargo-watch && \
+    cargo install wasm-pack --git https://github.com/rustwasm/wasm-pack.git --rev c2b663f25abe50631a236d57a8c6d7fd806413b2 && \
+    cargo install tauri-cli --version "2.0.0-alpha.11" --locked && \
+    npm install -g pnpm
+
+# Clone the nextgraph-rs repository
+RUN git clone https://git.nextgraph.org/NextGraph/nextgraph-rs.git && \
+    cd /nextgraph-rs/ng-sdk-js && \
+    wasm-pack build --target bundler && npm install --no-save pkg &&
+    # Build ng-app web version
+    cd /nextgraph-rs/ng-app && pnpm install && pnpm webfilebuild
+
+# From here the build fails due to llvm / clang linking issues...
+#
+# WORKDIR /nextgraph-rs
+## Build the nextgraph-rs project and its subprojects
+# RUN cd /nextgraph-rs && git pull && cargo update -p ng-rocksdb && \
+#     cargo build -r && \
+#     cargo build -r -p ngd && \
+#     cargo build -r -p ngcli
+
+# TODO: Build the platform-specific ng-app versions
+# cd /nextgraph-rs/ng-app && cargo tauri build --target x86_64-unknown-linux-gnu
+# ...
+
+# TODO: To remove the image size, remove ~/.cargo, ~/.rustup, and the build dependencies
+
+# To build the image, run:
+# docker build -t nextgraph-rs:alpine -f docker/Dockerfile.alpine .

docker/Dockerfile.fedora

@@ -0,0 +1,46 @@
+# Use fedora:40 as base image
+FROM fedora:40
+
+# Set the environment variable to ensure cargo is available in the PATH
+ENV PATH="/root/.cargo/bin:${PATH}"
+SHELL ["/bin/bash", "-c"]
+
+# Install the required packages and Rust
+
+RUN dnf install -y git clang-devel webkit2gtk4.1-devel openssl openssl-devel curl wget file libappindicator-gtk3-devel librsvg2-devel perl && \
+    dnf group install -y "C Development Tools and Libraries" && \
+    # Rust
+    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | bash -s -- -y && \
+    # Node.js
+    curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash && \
+    export NVM_DIR="$HOME/.nvm" && [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" && [ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion" && \
+    nvm install 22 && \
+    npm install -g pnpm && \
+    # Clear Cache
+    rm -rf /var/cache/dnf && \
+    # Install Rust and Node.js tools
+    cargo install cargo-watch && \
+    cargo install wasm-pack --git https://github.com/rustwasm/wasm-pack.git --rev c2b663f25abe50631a236d57a8c6d7fd806413b2 && \
+    cargo install tauri-cli --version "2.0.0-alpha.11" --locked && \
+    # Clone the nextgraph-rs repository (TODO: It might be better to put this into a seperate RUN command to avoid rebuilding the image if the repository changes)
+    git clone https://git.nextgraph.org/NextGraph/nextgraph-rs.git && \
+    # Build sdk and ng-app web version
+    cd /nextgraph-rs/ng-sdk-js && wasm-pack build --target bundler && npm install --no-save pkg && \
+    cd /nextgraph-rs/ng-app    && pnpm install && pnpm webfilebuild
+
+# Build the nextgraph-rs project
+RUN export NVM_DIR="$HOME/.nvm" && [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" && [ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion" && \
+    cd /nextgraph-rs && git pull && cargo update -p ng-rocksdb && \
+    cargo build -r && \
+    cargo build -r -p ngd && \
+    cargo build -r -p ngcli
+
+    
+# TODO: Build the platform-specific ng-app versions
+# cd /nextgraph-rs/ng-app && cargo tauri build --target x86_64-unknown-linux-gnu
+# ...
+
+# TODO: To remove the image size, remove ~/.cargo, ~/.rustup, and the build dependencies
+
+# To build the image, run:
+# docker build -t nextgraph-rs:fedora -f docker/Dockerfile.fedora .

docker/Dockerfile.ubuntu

@@ -0,0 +1,47 @@
+# Use ubuntu 22.04 as base image
+FROM ubuntu:22.04
+
+SHELL ["/bin/bash", "-c"]
+
+# Set the environment variable to ensure cargo is available in the PATH
+ENV PATH="/root/.cargo/bin:${PATH}"
+
+# Install the required packages and Rust
+RUN apt update && \
+    apt upgrade -y && \
+    apt install -y git llvm-dev libclang-dev clang libssl-dev perl libappindicator3-dev libwebkit2gtk-4.0-dev librsvg2-dev curl wget pkg-config libudev-dev build-essential && \
+    rm -rf /var/cache/apt && \
+    # Rust
+    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y && \
+    # Node.js
+    curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash && \
+    export NVM_DIR="$HOME/.nvm" && [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" && [ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion" && \
+    nvm install 22 && \
+    npm install -g pnpm && \
+    # Install Rust and Node.js tools
+    cargo install cargo-watch && \
+    cargo install wasm-pack --git https://github.com/rustwasm/wasm-pack.git --rev c2b663f25abe50631a236d57a8c6d7fd806413b2 && \
+    cargo install tauri-cli --version "2.0.0-alpha.11" --locked && \
+    npm install -g pnpm && \
+    # Clone the nextgraph-rs repository (TODO: It might be better to put this into a seperate RUN command to avoid rebuilding the image if the repository changes)
+    git clone https://git.nextgraph.org/NextGraph/nextgraph-rs.git && \
+    # Build sdk and ng-app web version
+    cd /nextgraph-rs/ng-sdk-js && wasm-pack build --target bundler && npm install --no-save pkg && \
+    cd /nextgraph-rs/ng-app && \
+    pnpm install && pnpm webfilebuild
+
+# Build the nextgraph-rs project and its subprojects
+WORKDIR /nextgraph-rs
+RUN cargo build -r && \
+    cargo build -r -p ngd && \
+    cargo build -r -p ngcli
+
+
+# TODO: Build the platform-specific ng-app versions
+# WORKDIR /nextgraph-rs/ng-app
+# RUN cargo tauri build --target x86_64-unknown-linux-gnu
+
+# TODO: To remove the image size, remove ~/.cargo, ~/.rustup, and the build dependencies
+
+# To build the image, run:
+# docker build -t nextgraph-rs:ubuntu -f docker/Dockerfile.ubuntu .

nextgraph/src/local_broker.rs

@@ -40,6 +40,7 @@ use ng_verifier::types::*;
 use ng_verifier::verifier::Verifier;
 
 use ng_wallet::emojis::encode_pazzle;
+use ng_wallet::bip39::encode_mnemonic;
 use ng_wallet::{create_wallet_first_step_v0, create_wallet_second_step_v0, types::*};
 
 #[cfg(not(target_family = "wasm"))]
@@ -1555,6 +1556,27 @@ pub fn wallet_open_with_pazzle(
     Ok(opened_wallet)
 }
 
+#[doc(hidden)]
+/// This is a bit hard to use as the mnemonic words are encoded in u16.
+/// prefer the function wallet_open_with_mnemonic_words
+pub fn wallet_open_with_mnemonic(
+    wallet: &Wallet,
+    mnemonic: Vec<u16>,
+    pin: [u8; 4],
+) -> Result<SensitiveWallet, NgError> {
+    if mnemonic.len() != 12 {
+        return Err(NgError::InvalidMnemonic);
+    }
+    // Convert from vec to array.
+    let mut mnemonic_arr = [0u16; 12];
+    for (place, element) in mnemonic_arr.iter_mut().zip(mnemonic.iter()) {
+        *place = *element;
+    }
+    let opened_wallet = ng_wallet::open_wallet_with_mnemonic(wallet, mnemonic_arr, pin)?;
+
+    Ok(opened_wallet)
+}
+
 /// Opens a wallet by providing an ordered list of words, and the pin.
 ///
 /// If you are opening a wallet that is already known to the LocalBroker, you must then call [wallet_was_opened].
@@ -1569,6 +1591,21 @@ pub fn wallet_open_with_pazzle_words(
     wallet_open_with_pazzle(wallet, encode_pazzle(pazzle_words)?, pin)
 }
 
+
+/// Opens a wallet by providing an ordered list of mnemonic words, and the pin.
+///
+/// If you are opening a wallet that is already known to the LocalBroker, you must then call [wallet_was_opened].
+/// Otherwise, if you are importing, then you must call [wallet_import].
+pub fn wallet_open_with_mnemonic_words(
+    wallet: &Wallet,
+    mnemonic: &Vec<String>,
+    pin: [u8; 4],
+) -> Result<SensitiveWallet, NgError> {
+    let encoded: Vec<u16> = encode_mnemonic(mnemonic)?;
+
+    wallet_open_with_mnemonic(wallet, encoded, pin)
+}
+
 /// Imports a wallet into the LocalBroker so the user can then access its content.
 ///
 /// the wallet should have been previous opened with [wallet_open_with_pazzle_words].

ng-app/src-tauri/Cargo.toml

@@ -27,7 +27,8 @@ tauri-build = { version = "2.0.0-alpha.8", features = [] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 serde_bytes = "0.11.7"
-async-std = {  version = "1.12.0", features = ["attributes", "unstable"] }
+async-std = { version = "1.12.0", features = ["attributes", "unstable"] }
+sys-locale = { version = "0.3.1" }
 ng-async-tungstenite = {  git = "https://git.nextgraph.org/NextGraph/async-tungstenite.git", branch = "nextgraph",  features = ["async-std-runtime", "async-native-tls"] }
 tauri = { version = "2.0.0-alpha.14", features = [] }
 tauri-plugin-window = "2.0.0-alpha.1"

ng-app/src-tauri/gen/android/buildSrc/src/main/java/org/nextgraph/ng_app_native/kotlin/BuildTask.kt

@@ -16,7 +16,8 @@ open class BuildTask : DefaultTask() {
 
     @TaskAction
     fun assemble() {
-        val executable = """/Users/nl/.cargo/bin/cargo-tauri""";
+        val homePath = System.getProperty("user.home");
+        val executable = "$homePath/.cargo/bin/cargo-tauri";
         try {
             runTauriCli(executable)
         } catch (e: Exception) {

ng-app/src-tauri/src/lib.rs

@@ -13,6 +13,7 @@ use std::fs::write;
 use async_std::stream::StreamExt;
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
+use sys_locale::get_locales;
 use tauri::scope::ipc::RemoteDomainAccessScope;
 use tauri::utils::config::WindowConfig;
 use tauri::{path::BaseDirectory, App, Manager};
@@ -38,6 +39,27 @@ pub use mobile::*;
 
 pub type SetupHook = Box<dyn FnOnce(&mut App) -> Result<(), Box<dyn std::error::Error>> + Send>;
 
+#[tauri::command(rename_all = "snake_case")]
+async fn locales() -> Result<Vec<String>, ()> {
+    Ok(get_locales()
+        .filter_map(|lang| {
+            if lang == "C" || lang == "c" {
+                None
+            } else {
+                let mut split = lang.split('.');
+                let code = split.next().unwrap();
+                let code = code.replace("_", "-");
+                let mut split = code.rsplitn(2, '-');
+                let country = split.next().unwrap();
+                Some(match split.next() {
+                    Some(next) => format!("{}-{}", next, country.to_uppercase()),
+                    None => country.to_string(),
+                })
+            }
+        })
+        .collect())
+}
+
 #[tauri::command(rename_all = "snake_case")]
 async fn test(app: tauri::AppHandle) -> Result<(), ()> {
     let path = app
@@ -86,6 +108,30 @@ async fn wallet_open_with_pazzle(
     Ok(wallet)
 }
 
+#[tauri::command(rename_all = "snake_case")]
+async fn wallet_open_with_mnemonic(
+    wallet: Wallet,
+    mnemonic: Vec<u16>,
+    pin: [u8; 4],
+    _app: tauri::AppHandle,
+) -> Result<SensitiveWallet, String> {
+    let wallet = nextgraph::local_broker::wallet_open_with_mnemonic(&wallet, mnemonic, pin)
+        .map_err(|e| e.to_string())?;
+    Ok(wallet)
+}
+
+#[tauri::command(rename_all = "snake_case")]
+async fn wallet_open_with_mnemonic_words(
+    wallet: Wallet,
+    mnemonic_words: Vec<String>,
+    pin: [u8; 4],
+    _app: tauri::AppHandle,
+) -> Result<SensitiveWallet, String> {
+    let wallet = nextgraph::local_broker::wallet_open_with_mnemonic_words(&wallet, &mnemonic_words, pin)
+        .map_err(|e| e.to_string())?;
+    Ok(wallet)
+}
+
 #[tauri::command(rename_all = "snake_case")]
 async fn wallet_get_file(wallet_name: String, app: tauri::AppHandle) -> Result<(), String> {
     let ser = nextgraph::local_broker::wallet_get_file(&wallet_name)
@@ -490,9 +536,12 @@ impl AppBuilder {
             .plugin(tauri_plugin_window::init())
             .invoke_handler(tauri::generate_handler![
                 test,
+                locales,
                 wallet_gen_shuffle_for_pazzle_opening,
                 wallet_gen_shuffle_for_pin,
                 wallet_open_with_pazzle,
+                wallet_open_with_mnemonic,
+                wallet_open_with_mnemonic_words,
                 wallet_was_opened,
                 wallet_create,
                 wallet_read_file,

ng-app/src/App.svelte

@@ -19,19 +19,20 @@
     active_session,
     close_active_session,
     disconnections_subscribe,
+    select_default_lang,
   } from "./store";
 
   import Home from "./routes/Home.svelte";
   import Test from "./routes/Test.svelte";
 
-  import URI from "./routes/URI.svelte";
+  import NURI from "./routes/NURI.svelte";
   import NotFound from "./routes/NotFound.svelte";
   import WalletCreate from "./routes/WalletCreate.svelte";
   import Invitation from "./routes/Invitation.svelte";
   import WalletLogin from "./routes/WalletLogin.svelte";
   import User from "./routes/User.svelte";
   import UserRegistered from "./routes/UserRegistered.svelte";
-  import Install from "./lib/Install.svelte";
+  import Install from "./routes/Install.svelte";
 
   import ng from "./api";
 
@@ -44,7 +45,7 @@
   routes.set("/user", User);
   routes.set("/user/registered", UserRegistered);
   if (import.meta.env.NG_APP_WEB) routes.set("/install", Install);
-  routes.set(/^\/ng(.*)/i, URI);
+  routes.set(/^\/did:ng(.*)/i, NURI);
   routes.set("*", NotFound);
 
   let unsubscribe = () => {};
@@ -60,7 +61,9 @@
   onMount(async () => {
     try {
       await disconnections_subscribe();
+      await select_default_lang();
     } catch (e) {
+      console.error(e);
       //console.log("called disconnections_subscribe twice");
     }
     let tauri_platform = import.meta.env.TAURI_PLATFORM;

ng-app/src/api.ts

@@ -16,6 +16,7 @@ const mapping = {
     "wallet_gen_shuffle_for_pazzle_opening": ["pazzle_length"],
     "wallet_gen_shuffle_for_pin": [],
     "wallet_open_with_pazzle": ["wallet","pazzle","pin"],
+    "wallet_open_with_mnemonic_words": ["wallet","mnemonic_words","pin"],
     "wallet_was_opened": ["opened_wallet"],
     "wallet_create": ["params"],
     "wallet_read_file": ["file"],
@@ -97,6 +98,19 @@ const handler = {
                 };
                 //console.log(info,res);
                 return res;
+            } else if (path[0] === "locales") {
+                let from_rust = await tauri.invoke("locales",{});
+                let from_js = window.navigator.languages;
+                console.log(from_rust,from_js);
+                for (let lang of from_js) {
+                    let split = lang.split("-");
+                    if (split[1]) {
+                        lang = split[0] + "-" + split[1].toUpperCase();
+                    }
+                    if (!from_rust.includes(lang)) { from_rust.push(lang);}
+                }
+                return from_rust;
+
             } else if (path[0] === "disconnections_subscribe") {
                 let { getCurrent } = await import("@tauri-apps/plugin-window");
                 let callback = args[0];
@@ -169,7 +183,7 @@ const handler = {
                 return false;
             } else if (path[0] === "get_local_url") {
                 return false;
-            } else if (path[0] === "wallet_open_with_pazzle") {
+            } else if (path[0] === "wallet_open_with_pazzle" || path[0] === "wallet_open_with_mnemonic_words") {
                 let arg:any = {};
                 args.map((el,ix) => arg[mapping[path[0]][ix]]=el)
                 let img = Array.from(new Uint8Array(arg.wallet.V0.content.security_img));
@@ -177,9 +191,8 @@ const handler = {
                 arg.wallet = {V0:{id:arg.wallet.V0.id, sig:arg.wallet.V0.sig, content:{}}};
                 Object.assign(arg.wallet.V0.content,old_content);
                 arg.wallet.V0.content.security_img = img;
-                return tauri.invoke(path[0],arg)
+                return tauri.invoke(path[0],arg);
-            } 
+            } else {
-            else {
                 let arg = {};
                 args.map((el,ix) => arg[mapping[path[0]][ix]]=el)
                 return tauri.invoke(path[0],arg)

ng-app/src/assets/nextgraph-nofill.svg

@@ -11,6 +11,6 @@
        style="fill:#ffffff;stroke:none;stroke-width:0.268375" />
     <path
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 </svg>

ng-app/src/classes.ts

@@ -0,0 +1,873 @@
+// Copyright (c) 2022-2024 Niko Bonnieure, Par le Peuple, NextGraph.org developers
+// All rights reserved.
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE2 or http://www.apache.org/licenses/LICENSE-2.0>
+// or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
+// at your option. All files in the project carrying such
+// notice may not be copied, modified, or distributed except
+// according to those terms.
+
+// "post/rich", "post/md", "post/text", "post/html", "post/asciidoc", "page", "code", "code/*", "app", "app/z", "class", "schema", "schema/owl|rdfs|shacl|shex", "service", "service/rust", "service/deno", "contract", "app/n:xxx.xx.xx:", "app/o:",
+// "query/sparql", "query/graphql", "query/text", "query/web", 
+// "data/graph", "data/json", "data/array", "data/map", "data/xml", "data/table", "data/collection", "data/board", "data/grid", "data/geomap", 
+// "e/email", "e/web", "e/http://[url of class in ontology]", "e/rdf" (read-only cache of RDF fetched from web2.0)
+// "mc/text", "mc/link", "mc/card", "mc/pad", 
+// "doc/diagram","doc/chart", "doc/pdf", "doc/odf", "doc/latex", "doc/ps", "doc/music", "doc/maths", "doc/chemistry", "doc/braille", "doc/ancientscript",
+// "media/image", "media/reel", "media/album", "media/video", "media/audio", "media/song", "media/subtitle", "media/overlay",
+// "social/channel", "social/stream", "social/contact", "social/event", "social/calendar", "social/scheduler", "social/reaction"
+// "prod/task", "prod/project", "prod/issue", "prod/form", "prod/filling", "prod/cad", "prod/slides", "prod/question", "prod/answer", "prod/poll", "prod/vote"
+// "file", "file/iana/*", "file/gimp", "file/inkscape", "file/kdenlive", "file/blender", "file/openscad", "file/lyx", "file/scribus", "file/libreoffice",
+
+
+// application/vnd.api+json
+
+// application/activity+json
+
+// epub, dejavu, 
+// animation: snap, lottie, smil editor: https://github.com/HaikuTeam/animator/
+
+export const official_classes = {
+    "post/rich": {
+        "ng:crdt": "YXml",
+        "ng:n": "Post - Rich Text", // editor: y-ProseMirror, viewer: https://www.npmjs.com/package/prosemirror-to-html-js or https://prosemirror.net/docs/ref/version/0.4.0.html#toDOM https://prosemirror.net/docs/ref/version/0.4.0.html#toHTML
+        "ng:a": "A Post with Rich Text, including images, links, formatted text, and embeds of other content",
+        "ng:o": "n:g:z:post:rich",
+        "ng:w": "n:g:z:post_rich_editor",
+        "ng:x": {
+            "as":true,
+        },
+        "ng:compat": ["as:Article"],
+    },
+    "post/md": {
+        "ng:crdt": "YXml",
+        "ng:n": "Post - MarkDown", // editor y-MilkDown, viewer: https://github.com/wooorm/markdown-rs
+        "ng:a": "A Post with MarkDown, including images, links, formatted text, and embeds of other content",
+        "ng:o": "n:g:z:post:md",
+        "ng:w": "n:g:z:post_md_editor",
+        "ng:x": {
+            "as":true,
+        },
+        "ng:compat": ["file/iana/text/markdown", "code/markdown","as:Article"],
+    },
+    "post/text": {
+        "ng:crdt": "YText",
+        "ng:n": "Post - Plain Text",
+        "ng:a": "A Post with Plain Text",
+        "ng:o": "n:g:z:post:text",
+        "ng:w": "n:g:z:code_editor",
+        "ng:x": {
+            "as":true,
+        },
+        "ng:compat": ["file/iana/text/plain", "code/plaintext","as:Article"],
+    },
+    "post/html": {
+        "ng:crdt": "YXml",
+        "ng:n": "Post - TinyMCE",
+        "ng:x": {
+            "as":true,
+        },
+        "ng:a": "A Post based on TinyMCE, including images, links, formatted text, and embeds of other content",
+        "ng:compat": ["as:Article"],
+    },
+    "post/asciidoc": { // display with https://github.com/asciidoctor/asciidoctor.js/
+        "ng:crdt": "YText",
+        "ng:n": "Post - AsciiDoc",
+        "ng:a": "A Post based on AsciiDoc format",
+        "ng:x": {
+            "as":true,
+        },
+        "ng:compat": ["as:Article"],
+    },
+    "page": {
+        "ng:crdt": "YXml",
+        "ng:n": "Page", // based on GrapeJS, VvvebJs, or Astro ?
+        "ng:a": "A Page and Site builder",
+        "ng:compat": [],
+    },
+    "code": {
+        "ng:crdt": "YText",
+        "ng:n": "Source Code", // edited with CodeMirror, displayed with highlight.js 
+        "ng:a": "A Source Code file. many languages supported",
+        "ng:o": "n:g:z:pre",
+        "ng:w": "n:g:z:code_editor",
+        "ng:compat": ["code/*","file/iana/text/javascript","file/iana/text/css","file/iana/text/html","file/iana/text/markdown", "file/iana/application/xml", "file/iana/application/yaml", "file/iana/text/xml", "file/iana/application/xhtml+xml"],
+    },
+    "app": {
+        "ng:n": "Official App",
+        "ng:a": "App provided by NextGraph platform",
+    },
+    "app/z": {
+        "ng:crdt": "Elmer",
+        "ng:n": "Application", // Editor: Monaco
+        "ng:a": "Create an Application based on NextGraph Framework",
+        "ng:o": "n:g:z:app_store",
+        "ng:w": "n:g:z:app_editor",
+        "ng:include": ["schema/*","service/*","code","file"],
+        "ng:compat": ["code/svelte"],
+    },
+    "class": {
+        "ng:crdt": "Graph",
+        "ng:n": "Class", 
+        "ng:a": "Define a custom Class for your data",
+        "ng:x": {
+            "rdfs":true,
+        },
+        "ng:compat": ["rdfs:Class"],
+    },
+    "schema/rdfs": {
+        "ng:crdt": "Graph",
+        "ng:n": "Schema - RDFS", 
+        "ng:a": "Define the Schema, Ontology or Vocabulary for your data and the relations between them, with RDFS",
+        "ng:o": "n:g:z:json_ld_editor", // default viewer
+        "ng:w": "n:g:z:ontology_editor", // default editor
+        "ng:x": {
+            "rdfs":true,
+        },
+        "ng:include": ["data/graph"],
+        "ng:compat": ["rdfs:*","class"],
+    },
+    "schema/owl": { // display with https://github.com/VisualDataWeb/WebVOWL
+        "ng:crdt": "Graph",
+        "ng:n": "Schema - OWL", 
+        "ng:a": "Define the Schema, Ontology or Vocabulary for your data and the relations between them, with OWL",
+        "ng:o": "n:g:z:owl_viewer", // default viewer
+        "ng:w": "n:g:z:ontology_editor", // default editor
+        "ng:x": {
+            "owl":true,
+        },
+        "ng:include": ["data/graph"],
+        "ng:compat": ["owl:Ontology"],
+    },
+    "schema/shacl": {
+        "ng:crdt": "Graph",
+        "ng:n": "Schema - SHACL", 
+        "ng:a": "Define the Schema, Ontology or Vocabulary for your data and the relations between them, with SHACL",
+        "ng:o": "n:g:z:json_ld_editor", // default viewer
+        "ng:w": "n:g:z:ontology_editor", // default editor
+        "ng:x": {
+            "sh":true,
+        },
+        "ng:include": ["data/graph"],
+        "ng:compat": ["sh:Shape", "file/iana/text/shaclc" ],
+    },
+    "schema/shex": {
+        "ng:crdt": "Graph",
+        "ng:n": "Schema - SHEX", 
+        "ng:a": "Define the Schema, Ontology or Vocabulary for your data and the relations between them, with SHEX",
+        "ng:o": "n:g:z:json_ld_editor", // default viewer
+        "ng:w": "n:g:z:ontology_editor", // default editor
+        "ng:x": {
+            "shex":true,
+        },
+        "ng:include": ["data/graph"],
+        "ng:compat": ["shex:*", "file/iana/text/shex", "code/shexc" ],
+    },
+    "service": {
+        "ng:n": "Internal Service",
+        "ng:a": "Service provided by NextGraph framework",
+        "ng:o": "n:g:z:service_invoke", // default viewer
+    },
+    "service/rust": {
+        "ng:crdt": "YText",
+        "ng:n": "Service - Rust", // edited with CodeMirror, displayed with highlight.js
+        "ng:a": "Service written in Rust and compiled to WASM",
+        "ng:o": "external_service_invoke", // default viewer
+        "ng:w": "n:g:z:service_editor", // default editor
+        "ng:compat": ["code/rust", "file/iana/application/wasm"],
+    },
+    "service/deno": {
+        "ng:crdt": "YText",
+        "ng:n": "Service - Deno/JS", // edited with CodeMirror, displayed with highlight.js
+        "ng:a": "Service written in JS/TS for Deno or NodeJS",
+        "ng:o": "external_service_invoke", // default viewer
+        "ng:w": "n:g:z:service_editor", // default editor
+        "ng:compat": ["code/javascript", "code/typescript", "file/iana/text/javascript", "file/iana/application/node"],
+    },
+    "contract": {
+        "ng:crdt": "YText",
+        "ng:n": "Contract", // edited with CodeMirror, displayed with highlight.js
+        "ng:a": "Smart Contract with Rust or JS code",
+        "ng:compat": ["code/rust", "file/iana/application/wasm", "code/javascript", "code/typescript", "file/iana/text/javascript", "file/iana/application/node"],
+    },
+    "query/sparql": { 
+        "ng:crdt": "YText",// uses ng:default_graph and ng:named_graph predicates 
+        "ng:n": "SPARQL Query", // edited with YASGUI or Sparnatural, displayed with highlight.js https://github.com/highlightjs/highlightjs-turtle/tree/master
+        "ng:a": "Saved SPARQL Query that can be invoked",
+        "ng:o": "n:g:z:sparql:invoke", 
+        "ng:w": "n:g:z:sparql_query:yasgui",
+        "ng:compat": ["code/sparql", "file/iana/application/sparql-query"],
+    },
+    "query/sparql_update": { 
+        "ng:crdt": "YText",// uses ng:default_graph and ng:named_graph predicates 
+        "ng:n": "SPARQL Update", // edited with YASGUI, displayed with highlight.js https://github.com/highlightjs/highlightjs-turtle/tree/master
+        "ng:a": "Saved SPARQL Update that can be invoked",
+        "ng:o": "n:g:z:sparql:invoke", 
+        "ng:w": "n:g:z:sparql_update:yasgui",
+        "ng:compat": ["code/sparql", "file/iana/application/sparql-update"],
+    },
+    "query/graphql": {
+        "ng:crdt": "YText", // uses ng:default_graph predicate
+        "ng:n": "GraphQL Query", // edited with https://github.com/graphql/graphiql or https://github.com/graphql-editor/graphql-editor, displayed with highlight.js
+        "ng:a": "Saved GraphQL Query that can be invoked",
+        "ng:o": "n:g:z:graphql:invoke", 
+        "ng:w": "n:g:z:graphql_query",
+        "ng:compat": ["code/graphql", "file/iana/application/graphql+json"],
+    }, 
+    "query/text": {
+        "ng:crdt": "Graph",
+        "ng:n": "Text Search", 
+        "ng:a": "Saved Text Search and its results",
+        "ng:compat": [],
+    },
+    "query/web": {
+        "ng:crdt": "Graph",
+        "ng:n": "Web Search", 
+        "ng:a": "Saved Web Search and its results",
+        "ng:compat": [],
+    },
+    "data/graph": {
+        "ng:crdt": "Graph", // https://github.com/highlightjs/highlightjs-turtle/tree/master
+        "ng:n": "Graph", 
+        "ng:a": "Define the Graph of your data with Semantic Web / Linked Data",
+        "ng:o": "n:g:z:json_ld_editor", // default viewer
+        "ng:w": "n:g:z:json_ld_editor", // default editor
+        "ng:x": {
+            "rdf":true,
+            "xsd":true,
+        },
+        "ng:compat": [ "rdf:*", "xsd:*", "file/iana/text/n3", "file/iana/text/rdf+n3", "file/iana/text/turtle", "file/iana/application/n-quads", "file/iana/application/trig", "file/iana/application/n-triples", "file/iana/application/rdf+xml", "file/iana/application/ld+json"],
+    },
+    "data/json": {
+        "ng:crdt": "Automerge",
+        "ng:n": "JSON", 
+        "ng:a": "JSON Data CRDT",
+        "ng:o": "n:g:z:json_editor", // default viewer
+        "ng:w": "n:g:z:json_editor", // default editor
+        "ng:compat": ["file/iana/application/json", "code:json"],
+    },
+    "data/array": {
+        "ng:crdt": "YArray",
+        "ng:n": "JSON Array", 
+        "ng:a": "JSON Array CRDT",
+        "ng:o": "n:g:z:json_editor", // default viewer
+        "ng:w": "n:g:z:json_editor", // default editor
+        "ng:compat": ["file/iana/application/json", "code:json"],
+    },
+    "data/map": {
+        "ng:crdt": "YMap",
+        "ng:n": "JSON Map", 
+        "ng:a": "JSON Map CRDT",
+        "ng:o": "n:g:z:json_editor", // default viewer
+        "ng:w": "n:g:z:json_editor", // default editor
+        "ng:compat": ["file/iana/application/json", "code:json"],
+    },
+    "data/xml": {
+        "ng:crdt": "YXml",
+        "ng:n": "XML", 
+        "ng:a": "XML Data CRDT",
+        "ng:compat": ["file/iana/text/xml","file/iana/application/xml", "code:xml"],
+    },
+    "data/table": {
+        "ng:crdt": "Automerge", // see https://github.com/frappe/datatable
+        "ng:n": "Table", // see https://specs.frictionlessdata.io/table-schema displayed with pivot table see https://activetable.io/docs/data https://www.npmjs.com/package/pivottable https://socket.dev/npm/package/svelte-pivottable/alerts/0.2.0?tab=dependencies
+        "ng:a": "Data in a Table (columns and rows)",
+        "ng:o": "n:g:z:pivot",
+        "ng:compat": ["file/iana/application/sparql-results+json","file/iana/application/sparql-results+xml","file/iana/text/csv"],
+    },
+    "data/collection": {
+        "ng:crdt": "Graph",
+        "ng:n": "Collection",
+        "ng:a": "An ordered list of items",
+        "ng:o": "n:g:z:list",
+        "ng:x": {
+            "as": true,
+            "rdf": true,
+        },
+        "ng:compat": ["as:Collection","rdf:List","rdf:Seq"],
+    },
+    "data/container": {
+        "ng:crdt": "Graph",
+        "ng:n": "Container",
+        "ng:a": "An unordered list of items",
+        "ng:o": "n:g:z:list",
+        "ng:x": {
+            "rdf": true,
+            "rdfs": true,
+            "ldp": true,
+        },
+        "ng:compat": ["rdfs:member","ldp:contains","rdf:Bag","rdf:Alt"],
+    },
+    "data/board": {
+        "ng:crdt": "Graph",
+        "ng:n": "Board",
+        "ng:a": "Whiteboard, infinite canvas to arrange your content in 2D",
+        "ng:o": "n:g:z:board",
+        "ng:include": [],
+        "ng:compat": [], //https://jsoncanvas.org/ https://www.canvasprotocol.org/ https://github.com/orgs/ocwg/discussions/25 https://infinitecanvas.tools/gallery/
+    },
+    "data/grid": {
+        "ng:crdt": "Graph",
+        "ng:n": "Grid",
+        "ng:a": "Grid representation of a collection or container",
+        "ng:o": "n:g:z:grid",
+        "ng:include": ["data/container","data/collection","data/table","media/album"],
+        "ng:compat": [],
+    },
+    "data/geomap": {  // https://github.com/leaflet/leaflet
+        "ng:crdt": "Graph",
+        "ng:n": "Geo Map",
+        "ng:a": "Geographical Map",
+        "ng:x": {
+            "wgs": true,
+            "gn": true,
+            "as": true,
+        },
+        "ng:compat": ["as:Place","wgs:*","gn:*", "file/iana/application/geo+json", "file/iana/application/vnd.mapbox-vector-tile"], // see also https://github.com/topojson/topojson
+    },
+    "e/email": {
+        "ng:crdt": "Graph",
+        "ng:n": "Email",
+        "ng:a": "Email content and headers",
+        "ng:x": {
+            "email": "http://www.invincea.com/ontologies/icas/1.0/email#" //https://raw.githubusercontent.com/twosixlabs/icas-ontology/master/ontology/email.ttl
+        },
+        "ng:compat": ["file/iana/message/rfc822","file/iana/multipart/related"],
+    },
+    "e/web": {
+        "ng:crdt": "Graph",
+        //https://www.npmjs.com/package/warcio https://github.com/N0taN3rd/node-warc
+        "ng:n": "Web Archive",
+        "ng:a": "Archive the content of a web page",
+        "ng:compat": ["file/iana/application/warc","file/iana/multipart/related"],
+    }, 
+    "e/rdf": {
+        "ng:crdt": "Graph",
+        "ng:n": "RDF Archive",
+        "ng:a": "Archive the triples of an RDF resource dereferenced with HTTP",
+        "ng:include": ["data/graph"],
+    },
+    "mc/text": {
+        "ng:crdt": "Graph",
+        "ng:n": "Text Selection",
+        "ng:a": "Text Selection copied into Magic Carpet",
+    }, 
+    "mc/link": {
+        "ng:crdt": "Graph",
+        "ng:n": "Link",
+        "ng:a": "Link to a document kept in Magic Carpet",
+    },
+    "plato/card": {
+        "ng:crdt": "Graph",
+        "ng:n": "Card",
+        "ng:a": "Card representation of a document",
+        "ng:o": "n:g:z:card",
+    },
+    "plato/pad": {
+        "ng:crdt": "Graph",
+        "ng:n": "Pad",
+        "ng:a": "Pad representation of a document",
+        "ng:o": "n:g:z:pad",
+    },
+    "doc/diagram/mermaid" : {
+        "ng:crdt": "YText",
+        "ng:n": "Diagram - Mermaid",
+        "ng:a": "Describe Diagrams with Mermaid",
+        "ng:compat": ["file/iana/application/vnd.mermaid"]
+    },
+    "doc/diagram/drawio" : {
+        "ng:crdt": "YXml",
+        "ng:n": "Diagram - DrawIo",
+        "ng:a": "Draw Diagrams with DrawIo",
+        "ng:compat": ["file/iana/application/vnd.jgraph.mxfile","file/iana/application/x-drawio"]
+    },
+    "doc/diagram/graphviz" : {
+        "ng:crdt": "YText",
+        "ng:n": "Diagram - Graphviz",
+        "ng:a": "Describe Diagrams with Graphviz",
+        "ng:compat": ["file/iana/text/vnd.graphviz"]
+    },
+    "doc/diagram/excalidraw" : {
+        "ng:crdt": "Automerge",
+        "ng:n": "Diagram - Excalidraw",
+        "ng:a": "Collaborate on Diagrams with Excalidraw",
+        "ng:compat": ["file/iana/application/vnd.excalidraw+json"]
+    },
+    "doc/diagram/gantt" : { //https://github.com/frappe/gantt
+        "ng:crdt": "Automerge",
+        "ng:n": "Diagram - Gantt",
+        "ng:a": "Interactive gantt chart",
+        "ng:compat": []
+    },
+    "doc/diagram/flowchart" : { //https://github.com/adrai/flowchart.js
+        "ng:crdt": "YText",
+        "ng:n": "Diagram - Flowchart",
+        "ng:a": "flow chart diagrams",
+        "ng:compat": []
+    },
+    "doc/diagram/sequence" : { //https://github.com/bramp/js-sequence-diagrams
+        "ng:crdt": "YText",
+        "ng:n": "Diagram - Sequence",
+        "ng:a": "sequence diagrams",
+        "ng:compat": []
+    },
+    // checkout https://www.mindmaps.app/ but it is AGPL 
+    "doc/diagram/markmap" : { //https://github.com/markmap/markmap
+        "ng:crdt": "YText",
+        "ng:n": "Diagram - Markmap",
+        "ng:a": "mindmaps with markmap",
+        "ng:compat": []
+    },
+    "doc/diagram/mymind" : { //https://github.com/markmap/markmap
+        "ng:crdt": "YText", // see MyMind format, MindMup JSON, FreeMind XML and MindMap Architect XML
+        "ng:n": "Diagram - Mymind",
+        "ng:a": "mindmaps with mymind",
+        "ng:compat": [] // https://github.com/ondras/my-mind/wiki/Saving-and-loading#file-formats
+    },
+    "doc/diagram/jsmind" : { //https://github.com/hizzgdev/jsmind
+        "ng:crdt": "Automerge",
+        "ng:n": "Diagram - jsmind",
+        "ng:a": "mindmaps with jsmind",
+        "ng:compat": [] // https://hizzgdev.github.io/jsmind/docs/en/1.usage.html
+    },
+    // DC and C3 have Crossfilter https://github.com/dc-js/dc.js http://crossfilter.github.io/crossfilter/ https://github.com/c3js/c3 http://dc-js.github.io/dc.js/
+    // take inspiration from https://github.com/metabase/metabase
+    // have a look at https://github.com/observablehq
+    // another open source dashboard with many data sources https://github.com/getredash/redash
+    // and another one https://github.com/apache/superset
+    // https://github.com/Rich-Harris/pancake
+    // https://github.com/williamngan/pts
+    // https://visjs.org/
+    "doc/viz/cytoscape" : {
+        "ng:crdt": "Automerge",
+        "ng:n": "Viz - Cytoscape",
+        "ng:a": "Graph theory (network) visualization",
+        "ng:compat": [] // https://github.com/cytoscape/cytoscape.js
+    },
+    "doc/viz/vega" : {
+        "ng:crdt": "Automerge",
+        "ng:n": "Viz - Vega",
+        "ng:a": "Grammar for interactive graphics",
+        "ng:compat": [] // https://vega.github.io/vega-lite/docs/ https://github.com/vega/editor
+    },
+    "doc/viz/vizzu" : {
+        "ng:crdt": "Automerge",
+        "ng:n": "Viz - Vizzu",
+        "ng:a": "Animated data visualizations and data stories",
+        "ng:compat": [] // https://github.com/vizzuhq/vizzu-lib
+    },
+    "doc/viz/plotly" : { //https://github.com/plotly/plotly.js
+        "ng:crdt": "Automerge",
+        "ng:n": "Viz - Plotly",
+        "ng:a": "Declarative charts",
+        "ng:compat": [] // https://github.com/cytoscape/cytoscape.js
+    },
+    "doc/viz/avail" : { 
+        "ng:crdt": "Automerge",
+        "ng:n": "Viz - Avail",
+        "ng:a": "Time Data Availability Visualization",
+        "ng:compat": [] // https://github.com/flrs/visavail
+    },
+    "doc/chart/frappecharts" : {
+        "ng:crdt": "Automerge",
+        "ng:n": "Charts - Frappe",
+        "ng:a": "GitHub-inspired responsive charts",
+        "ng:compat": [] // https://github.com/frappe/charts
+    },
+    "doc/chart/financial" : {
+        "ng:crdt": "Automerge",
+        "ng:n": "Charts - Financial",
+        "ng:a": "Financial charts",
+        "ng:compat": [] //https://github.com/tradingview/lightweight-charts
+    },
+    // have a look at https://github.com/cube-js/cube and https://awesome.cube.dev/ and https://frappe.io/products
+    "doc/chart/apexcharts" : {
+        "ng:crdt": "Automerge",
+        "ng:n": "Charts - ApexCharts",
+        "ng:a": "Interactive data visualizations",
+        "ng:compat": [] // https://github.com/apexcharts/apexcharts.js
+    },
+    //realtime data with https://github.com/square/cubism
+    "doc/chart/billboard" : {
+        "ng:crdt": "Automerge",
+        "ng:n": "Charts - BillBoard",
+        "ng:a": "Interactive data visualizations based on D3",
+        "ng:compat": [] // https://github.com/naver/billboard.js
+    },
+    "doc/chart/echarts" : {
+        "ng:crdt": "Automerge",
+        "ng:n": "Charts - ECharts",
+        "ng:a": "Interactive charting and data visualization with Apache ECharts",
+        "ng:compat": [] // https://github.com/apache/echarts
+    },
+    "doc/chart/chartjs" : {
+        "ng:crdt": "Automerge",
+        "ng:n": "Charts - Chart.js",
+        "ng:a": "Simple yet flexible charting for designers & developers with Chart.js",
+        "ng:compat": [] // https://github.com/chartjs/Chart.js
+    },
+    // see if to provide plain D3, and also all the https://github.com/antvis libraries: G2, G6, L7, S2, X6. Have a look at AVA
+    "doc/pdf": {
+        "ng:crdt": "Graph",
+        "ng:n": "PDF",
+        "ng:a": "upload and display a PDF file",
+        "ng:compat": ["file/iana/application/pdf"] // https://github.com/mozilla/pdf.js https://viewerjs.org/
+    },
+    "doc/odf": { //!!! becareful: AGPL
+        "ng:crdt": "Graph",
+        "ng:n": "OpenDocumentFormat (ODF)",
+        "ng:a": "upload and display an ODF file",
+        "ng:compat": ["file/iana/application/vnd.oasis.opendocument*"] // https://webodf.org/ https://github.com/webodf/WebODF https://viewerjs.org/ 
+    },
+    // see also https://github.com/Mathpix/mathpix-markdown-it
+    "doc/latex": {
+        "ng:crdt": "Graph",
+        "ng:n": "Latex",
+        "ng:a": "upload and display a Latex or Tex file",
+        "ng:compat": ["file/iana/application/x-tex","file/iana/text/x-tex"] // https://github.com/michael-brade/LaTeX.js https://github.com/mathjax/MathJax
+    },
+    "doc/ps": { //!!! becareful: AGPL https://github.com/ochachacha/ps-wasm
+        "ng:crdt": "Graph",
+        "ng:n": "Postscript",
+        "ng:a": "upload and display a PostScript file",
+        "ng:compat": ["file/iana/application/postscript"] // https://www.npmjs.com/package/ghostscript4js 
+    },
+    "doc/music/abc": { //https://github.com/paulrosen/abcjs
+        "ng:crdt": "YText",
+        "ng:n": "Music ABC",
+        "ng:a": "sheet music notation",
+        "ng:compat": []
+    },
+    "doc/music/guitar": { //https://github.com/birdca/fretboard
+        "ng:crdt": "YText",
+        "ng:n": "Music - Guitar",
+        "ng:a": "charts for guitar chords and scales",
+        "ng:compat": []
+    },
+    "doc/maths": { //https://github.com/KaTeX/KaTeX
+        "ng:crdt": "YText",
+        "ng:n": "Maths",
+        "ng:a": "TeX math rendering",
+        "ng:compat": ["file/iana/application/x-tex","file/iana/text/x-tex"]
+    },
+    "doc/chemistry": { //GPL!! https://github.com/aeris-data/ChemDoodle/tree/master/ChemDoodleWeb-8.0.0 or https://github.com/aseevia/smiles-3d-vue 
+        "ng:crdt": "YText",
+        "ng:n": "Chemical",
+        "ng:a": "simplified molecular-input line-entry system (SMILES)",
+        "ng:compat": ["file/iana/chemical/x-daylight-smiles"] // https://en.wikipedia.org/wiki/SYBYL_line_notation and http://fileformats.archiveteam.org/wiki/Chemical_data
+    },
+    "doc/ancientscript": { //https://dn-works.com/ufas/ 
+        "ng:crdt": "YText", // use Unicode and special fonts
+        "ng:n": "Ancient Script",
+        "ng:a": "Ancient Script",
+        "ng:compat": [] 
+    },
+    "doc/braille": { //https://en.wikipedia.org/wiki/Braille_Patterns
+        "ng:crdt": "YText", // use Unicode and special fonts
+        "ng:n": "Braille Patterns",
+        "ng:a": "Braille Patterns",
+        "ng:compat": [] 
+    },
+    "media/image": {
+        "ng:crdt": "Graph",
+        "ng:n": "Image",
+        "ng:a": "upload and display an image",
+        "ng:o": "n:g:z:media",
+        "ng:x": {
+            "as":true,
+        },
+        "ng:compat": ["file/iana/image*","as:Image"]
+    },
+    "media/reel": {
+        "ng:crdt": "Graph",
+        "ng:n": "Reel",
+        "ng:a": "upload and display a Reel (video from mobile)",
+        "ng:o": "n:g:z:media",
+        "ng:compat": ["file/iana/video*"]
+    },
+    "media/video": {
+        "ng:crdt": "Graph",
+        "ng:n": "Video",
+        "ng:a": "upload and display a Video (and film)",
+        "ng:o": "n:g:z:media",
+        "ng:x": {
+            "as":true,
+        },
+        "ng:compat": ["file/iana/video*","as:Video"]
+    },
+    "media/album": {
+        "ng:crdt": "Graph",
+        "ng:n": "Album",
+        "ng:a": "Assemble several images and/or videos into an ordered Album",
+        "ng:o": "n:g:z:gallery",
+        "ng:include": ["data/collection"],
+        "ng:compat": []
+    },
+    "media/audio": {
+        "ng:crdt": "Graph",
+        "ng:n": "Audio",
+        "ng:a": "upload and play an Audio file, Audio note or Voice message",
+        "ng:o": "n:g:z:media",
+        "ng:x": {
+            "as":true,
+        },
+        "ng:compat": ["file/iana/audio*","as:Audio"]
+    },
+    "media/song": {
+        "ng:crdt": "Graph",
+        "ng:n": "Song",
+        "ng:a": "A song from an artist,album and/or lyrics",
+        "ng:o": "n:g:z:media",
+        "ng:x": {
+            "music": "http://purl.org/ontology/mo/",
+        },
+        "ng:compat": ["music:MusicalWork","music:MusicArtist", "music:Lyrics"] 
+        // see also https://polifonia-project.eu/wp-content/uploads/2022/01/Polifonia_D2.1_V1.0.pdf
+        // Music ontology http://musicontology.com/docs/faq.html with data based on existing databases https://musicbrainz.org/doc/MusicBrainz_Database/Schema https://github.com/megaconfidence/open-song-database https://www.discogs.com/developers
+    },  
+    "media/subtitle": { //https://captioneasy.com/subtitle-file-formats/
+        "ng:crdt": "YText", 
+        "ng:n": "Subtitles",
+        "ng:a": "Subtitles",
+        "ng:compat": [] // TBD
+    },
+    "media/overlay": {
+        "ng:crdt": "Graph",
+        "ng:n": "Overlay",
+        "ng:a": "Composition of an image, reel, text, icon, link, mention or other content into a layered content",
+        "ng:o": "n:g:z:media",
+        "ng:compat": []
+    },
+    "social/channel": {
+        "ng:crdt": "Graph",
+        "ng:n": "Channel",
+        "ng:a": "Broadcast channel with subscribers",
+        "ng:compat": []
+    }, 
+    "social/stream": {
+        "ng:crdt": "Graph",
+        "ng:n": "Stream",
+        "ng:a": "A document or store's stream branch",
+        "ng:compat": []
+    },
+    "social/contact": {
+        "ng:crdt": "Graph",
+        "ng:n": "Contact", 
+        "ng:a": "Contact: an Individual, Organization or Group",
+        "ng:x": {
+            "vcard":true,
+            "foaf": true,
+        },
+        "ng:include": ["data/graph"],
+        "ng:compat": ["foaf:Person","foaf:Agent","vcard:Individual", "vcard:Organization", "vcard:Group", "file/iana/text/vcard", "file/iana/application/vcard+json", "file/iana/application/vcard+xml" ],
+    },
+    "social/event": {
+        "ng:crdt": "Graph",
+        "ng:n": "Event",
+        "ng:a": "An event occuring in specific location and time",
+        "ng:x": {
+            "as":true,
+        },
+        "ng:include": ["post/*"],
+        "ng:compat": ["as:Event"]
+    },
+    "social/calendar": {
+        "ng:crdt": "Graph",
+        "ng:n": "Calendar",
+        "ng:a": "A calendar where events are gathered",
+        "ng:x": {
+            "as":true,
+            "time": true,
+        },
+        "ng:include": ["data/collection"],
+        "ng:compat": ["time:TemporalEntity", "file/iana/text/calendar", "file/iana/application/calendar+xml", "file/iana/application/calendar+json"] //https://www.rfc-editor.org/rfc/rfc5545
+    }, 
+    "social/scheduler": {
+        "ng:crdt": "Graph",
+        "ng:n": "Scheduler",
+        "ng:a": "Helps finding a common time slot for several participants to a future event",
+        "ng:x": {
+            "as":true,
+        },
+        "ng:compat": ["as:Invite","as:Reject","as:Accept","as:TentativeAccept","as:TentativeReject"]
+    },
+    "social/reaction": {
+        "ng:crdt": "Graph",
+        "ng:n": "Reaction",
+        "ng:a": "A reaction by user to some content",
+        "ng:x": {
+            "as":true,
+        },
+        "ng:compat": ["as:Like", "as:Dislike", "as:Listen", "as:Read", "as:View"]
+    },
+    "prod/task": {
+        "ng:crdt": "Graph",
+        "ng:n": "Task",
+        "ng:a": "A task to be done",
+        "ng:x": {
+            "as":true,
+            "pair": "http://virtual-assembly.org/ontologies/pair#",
+        },
+        "ng:include": ["post/*"],
+        "ng:compat": ["pair:Task"] //see VTODO in iCalendar https://www.cs.utexas.edu/~mfkb/RKF/tree/components/specs/ontologies/Calendar-onto.html
+        // see todo and todoList of Mobilizon https://framagit.org/framasoft/mobilizon/-/blob/main/lib/federation/activity_stream/converter/todo.ex 
+        // https://framagit.org/framasoft/mobilizon/-/blob/main/lib/federation/activity_stream/converter/todo_list.ex
+    },
+    "prod/project": {
+        "ng:crdt": "Graph",
+        "ng:n": "Project",
+        "ng:a": "A project management / KanBan",
+        "ng:x": {
+            "as":true,
+            "pair": "http://virtual-assembly.org/ontologies/pair#",
+        },
+        "ng:include": ["post/*"],
+        "ng:compat": ["pair:Project"] 
+    },
+    // see SRO https://www.researchgate.net/publication/350158531_From_a_Scrum_Reference_Ontology_to_the_Integration_of_Applications_for_Data-Driven_Software_Development
+    // https://ceur-ws.org/Vol-1442/paper_4.pdf
+    // see focalbaord, specially for their import scripts https://github.com/mattermost/focalboard/tree/main/import
+    // and their data model https://github.com/mattermost/focalboard/tree/main/server/model
+    // https://github.com/leif81/bzkanban
+    // https://github.com/HigorLoren/donko (react)
+    // https://github.com/trobonox/kanri (GPL, Vue)
+    // https://github.com/waterrmalann/kards (vanilla JS)
+    // see also https://github.com/wekan/wekan
+    // see also https://taiga.io/ (for inspiration. as it is AGPL and python)
+    // see also https://github.com/plankanban/planka (for inspiration. as it is AGPL and React)
+    // see also https://kolaente.dev/vikunja/vikunja (for inspiration. AGPL. Vue and Go)
+    // see also https://github.com/laurent22/joplin/ (for inspiration. AGPL)
+    // see also https://github.com/SrGMC/kanbana
+    /// svelte: https://github.com/V-Py/svelte-kanban
+    // https://github.com/supabase-community/svelte-kanban
+    // https://github.com/therosbif/kanban
+    "prod/issue": {
+        "ng:crdt": "Graph",
+        "ng:n": "Issue",
+        "ng:a": "An issue to be solved",
+        "ng:x": {
+            "as":true,
+            "pair": "http://virtual-assembly.org/ontologies/pair#",
+        },
+        "ng:include": ["prod/task"],
+        "ng:compat": ["pair:Challenge"] 
+    },
+    //https://github.com/go-gitea/gitea/issues/20232
+    // datamodel of gitea issues: https://github.com/go-gitea/gitea/blob/165346c15c6d021028a65121e692a17ffc927e2c/models/issue.go#L35-L79
+    "prod/form": {
+        "ng:crdt": "Graph",
+        "ng:n": "Form",
+        "ng:a": "A form to be filled-in",
+        "ng:x": {
+            "form" : "http://rdf.danielbeeke.nl/form/form-dev.ttl#",
+        },
+        "ng:compat": ["form:*","file/iana/application/schema+json"] 
+    },
+    // https://jsonforms.io/docs/
+    // https://github.com/jsonform/jsonform
+    // https://jsonforms.io/docs/integrations/vue
+    // >>> https://github.com/json-editor/json-editor
+    // or >>> https://github.com/webgme/svelte-jsonschema-form
+    // or >>> https://github.com/restspace/svelte-schema-form
+    // see https://ceur-ws.org/Vol-1515/regular14.pdf
+    // and https://github.com/protegeproject/facsimile
+    // https://www.drupal.org/project/webform
+    // see https://www.semantic-mediawiki.org/wiki/Extension:Page_Forms
+    //  https://www.mediawiki.org/wiki/Extension:Page_Forms
+    // https://rdf-form.danielbeeke.nl/
+    // consider using Shapes
+    "prod/filling": {
+        "ng:crdt": "Graph",
+        "ng:n": "Form filling",
+        "ng:a": "A form that has been filled-in",
+        "ng:compat": [] 
+    },
+    "prod/cad": { // https://mattferraro.dev/posts/cadmium
+        "ng:crdt": "Automerge",
+        "ng:n": "CAD",
+        "ng:a": "CADmium",
+        "ng:compat": [] 
+    }, 
+    "prod/slides": { //https://github.com/hakimel/reveal.js
+        //https://pandoc.org/MANUAL.html#slide-shows
+        "ng:crdt": "Graph",
+        "ng:n": "Slides",
+        "ng:a": "Slides and presentations",
+        "ng:include": ["post/*"],
+        "ng:compat": [] 
+    },
+    "prod/question" : {
+        "ng:crdt": "Graph",
+        "ng:n": "Question",
+        "ng:a": "A question that needs answers",
+        "ng:x": {
+            "as":true,
+        },
+        "ng:include": ["post/*"],
+        "ng:compat": ["as:Question"] 
+    }, 
+    "prod/answer" :{
+        "ng:crdt": "Graph",
+        "ng:n": "Answer",
+        "ng:a": "An answer to a question",
+        "ng:x": {
+            "as":true,
+        },
+        "ng:include": ["post/*"],
+        "ng:compat": ["as:Note"] 
+    }, 
+    "prod/poll" : {
+        "ng:crdt": "Graph",
+        "ng:n": "Poll",
+        "ng:a": "A poll where people will vote",
+        "ng:x": {
+            "as":true,
+        },
+        "ng:include": ["post/*"],
+        "ng:compat": ["as:Question"] 
+    }, 
+    "prod/vote" : {
+        "ng:crdt": "Graph",
+        "ng:n": "Vote",
+        "ng:a": "A vote cast for a Poll",
+        "ng:x": {
+            "as":true,
+        },
+        "ng:compat": ["as:Note"] 
+    }, 
+    "file" : {
+        "ng:crdt": "Graph",
+        "ng:n": "File",
+        "ng:a": "Binary file",
+        "ng:o": "n:g:z:file_viewer",
+        "ng:w": "n:g:z:file_viewer",
+        "ng:compat": [] 
+    }, 
+    "file/ng/wallet" : {
+        "ng:n": "NextGraph Wallet File",
+        "ng:a": "NextGraph Wallet File (.ngw)",
+        "ng:compat": [] 
+    }, 
+    "file/ng/doc" : {
+        "ng:n": "NextGraph Document File",
+        "ng:a": "NextGraph Document File (.ngd)",
+        "ng:compat": [] 
+    },
+    "file/ng/html" : {
+        "ng:n": "NextGraph Document Html",
+        "ng:a": "NextGraph Document Html standalone file",
+        "ng:compat": [] 
+    }, 
+    "file/text" : {
+        "ng:crdt": "Graph",
+        "ng:n": "File",
+        "ng:a": "Text file",
+        "ng:o": "n:g:z:file_viewer",
+        "ng:w": "n:g:z:file_viewer",
+        "ng:compat": ["file/iana/text/*", "image/svg+xml", "file/iana/application/n-quads", "file/iana/application/trig", "file/iana/application/n-triples", "file/iana/application/rdf+xml", "file/iana/application/ld+json",
+        "file/iana/application/xml", "file/iana/application/yaml", "file/iana/application/xhtml+xml", "file/iana/application/node","file/iana/application/sparql-results+json","file/iana/application/sparql-results+xml",
+        "file/iana/message/rfc822","file/iana/multipart/related", "file/iana/text/vnd.graphviz", "file/iana/application/vnd.excalidraw+json", "file/iana/application/x-tex","file/iana/text/x-tex",
+        "file/iana/application/vcard+json", "file/iana/application/vcard+xml", "file/iana/text/calendar", "file/iana/application/calendar+xml", "file/iana/application/calendar+json", 
+        "file/iana/application/schema+json", "file/iana/application/geo+json", "file/iana/application/json" ] 
+    }, 
+    
+};

ng-app/src/lib/CenteredLayout.svelte

@@ -9,8 +9,91 @@
 // according to those terms.
 -->
 
-<div class="centered">
+<script lang="ts">
-  <slot />
+  import ng from "../api";
+  import { onMount, tick } from "svelte";
+  import { current_lang, available_languages } from "../store";
+  import { Language } from "svelte-heros-v2";
+
+  export let displayFooter = false;
+
+  let changingLang = false;
+
+  const changeLang = () => {
+    changingLang = true;
+    scrollToTop();
+  };
+
+  let top;
+  function scrollToTop() {
+    top.scrollIntoView();
+  }
+
+  const selectLang = async (lang) => {
+    current_lang.set(lang);
+    changingLang = false;
+    await tick();
+    scrollToTop();
+  };
+
+  let tauri_platform = import.meta.env.TAURI_PLATFORM;
+
+  const displayPopup = async (url, title) => {
+    if (!tauri_platform || tauri_platform == "android") {
+      window.open(url, "_blank").focus();
+    } else {
+      await ng.open_window(url, "viewer", title);
+    }
+  };
+
+  const displayNextgraphOrg = async () => {
+    await displayPopup("https://nextgraph.org", "NextGraph.org");
+  };
+</script>
+
+<div bind:this={top}>
+  {#if !changingLang}
+    <div class="centered">
+      <slot />
+    </div>
+    {#if displayFooter}
+      <div class="centered">
+        <div class="mb-20 mt-10">
+          <button
+            on:click={changeLang}
+            class="text-primary-700 bg-[#f6f6f6] bg-none ring-0 hover:bg-primary-100/90 focus:ring-4 focus:ring-primary-100/50 font-medium rounded-lg text-lg px-5 py-2.5 text-center inline-flex items-center dark:focus:ring-primary-100/55"
+          >
+            <Language
+              tabindex="-1"
+              class="w-7 h-7 mr-2 transition duration-75  "
+            />Change language <!--note to translator: DO NOT TRANSLATE! it should stay in english always-->
+          </button>
+          <br />
+          <button
+            on:click={displayNextgraphOrg}
+            class="text-primary-700 bg-[#f6f6f6] bg-none ring-0 hover:bg-primary-100/90 focus:ring-4 focus:ring-primary-100/50 font-medium rounded-lg px-5 py-2.5 text-center inline-flex items-center dark:focus:ring-primary-100/55 mb-2"
+            >About NextGraph
+          </button>
+        </div>
+      </div>
+    {/if}
+  {:else}
+    <div class="centered">
+      <ul class="mb-20 mt-10">
+        {#each Object.entries(available_languages) as lang}
+          <li
+            tabindex="0"
+            role="menuitem"
+            class="flex items-center p-2 text-lg mb-2 font-normal text-gray-900 clickable rounded-lg dark:text-white hover:bg-gray-200 dark:hover:bg-gray-700"
+            on:keypress={() => selectLang(lang[0])}
+            on:click={() => selectLang(lang[0])}
+          >
+            <span class="mx-3">{lang[1]}</span>
+          </li>
+        {/each}
+      </ul>
+    </div>
+  {/if}
 </div>
 
 <style>
@@ -21,4 +104,7 @@
     text-align: center;
     width: fit-content;
   }
+  li.clickable {
+    cursor: pointer;
+  }
 </style>

ng-app/src/lib/DataClassIcon.svelte

@@ -0,0 +1,187 @@
+<!--
+// Copyright (c) 2022-2024 Niko Bonnieure, Par le Peuple, NextGraph.org developers
+// All rights reserved.
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE2 or http://www.apache.org/licenses/LICENSE-2.0>
+// or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
+// at your option. All files in the project carrying such
+// notice may not be copied, modified, or distributed except
+// according to those terms.
+-->
+
+<script lang="ts">
+  import {
+    Icon,
+    BugAnt,
+    DocumentText,
+    Window,
+    CodeBracket,
+    SquaresPlus,
+    ViewfinderCircle,
+    ArrowsPointingOut,
+    Cube,
+    Briefcase,
+    MagnifyingGlass,
+    RocketLaunch,
+    Sun,
+    TableCells,
+    ListBullet,
+    RectangleGroup,
+    Squares2x2,
+    MapPin,
+    CircleStack,
+    Envelope,
+    GlobeAlt,
+    DocumentChartBar,
+    Document,
+    ClipboardDocumentList,
+    Photo,
+    Film,
+    RectangleStack,
+    Microphone,
+    MusicalNote,
+    Ticket,
+    CursorArrowRays,
+    Megaphone,
+    User,
+    Clock,
+    CalendarDays,
+    Calendar,
+    Stop,
+    Flag,
+    HandRaised,
+    Newspaper,
+    PencilSquare,
+    CubeTransparent,
+    PresentationChartBar,
+    QuestionMarkCircle,
+    CheckCircle,
+    ChartPie,
+    Bars3BottomLeft,
+    Link,
+    Square2Stack,
+    Clipboard,
+    StopCircle,
+    Bolt,
+    Heart,
+  } from "svelte-heros-v2";
+
+  export let config = {};
+  export let dataClass: string;
+
+  const exact_mapping = {
+    page: Window,
+    "app/z": SquaresPlus,
+    class: ViewfinderCircle,
+    contract: Briefcase,
+    "query/text": MagnifyingGlass,
+    "query/web": MagnifyingGlass,
+    "data/graph": Sun,
+    "data/table": TableCells,
+    "data/collection": ListBullet,
+    "data/board": RectangleGroup,
+    "data/grid": Squares2x2,
+    "data/geomap": MapPin,
+    "e/email": Envelope,
+    "mc/text": Bars3BottomLeft,
+    "mc/link": Link,
+    "plato/card": Clipboard,
+    "plato/pad": Square2Stack,
+    "media/image": Photo,
+    "media/reel": Film,
+    "media/video": Film,
+    "media/album": RectangleStack,
+    "media/audio": Microphone,
+    "media/song": MusicalNote,
+    "media/subtitle": Ticket,
+    "media/overlay": CursorArrowRays,
+    "social/channel": Megaphone,
+    "social/stream": Bolt,
+    "social/contact": User,
+    "social/event": Clock,
+    "social/calendar": CalendarDays,
+    "social/scheduler": Calendar,
+    "social/reaction": Heart,
+    "prod/task": Stop,
+    "prod/project": Flag,
+    "prod/issue": HandRaised,
+    "prod/form": Newspaper,
+    "prod/filling": PencilSquare,
+    "prod/cad": CubeTransparent,
+    "prod/slides": PresentationChartBar,
+    "prod/question": QuestionMarkCircle,
+    "prod/answer": CheckCircle,
+    "prod/poll": QuestionMarkCircle,
+    "prod/vote": CheckCircle,
+  };
+
+  const prefix_mapping = {
+    "post/": DocumentText,
+    code: CodeBracket,
+    schema: ArrowsPointingOut,
+    service: Cube,
+    "e/": GlobeAlt,
+    "app/": StopCircle,
+    "query/": RocketLaunch,
+    "data/": CircleStack,
+    "doc/diagram": DocumentChartBar,
+    "doc/chart": ChartPie,
+    "doc/viz": ChartPie,
+    "doc/": ClipboardDocumentList,
+    file: Document,
+  };
+
+  const find = (t) => {
+    let e = exact_mapping[t];
+    if (e) return e;
+    for (let prefix of Object.entries(prefix_mapping)) {
+      if (t.startsWith(prefix[0])) return prefix[1];
+    }
+    return BugAnt;
+  };
+</script>
+
+<!--
+did:ng:n:g:z:[official apps]
+did:ng:n:g:ns
+did:ng:n:g:x list of context used by nextgraph
+  rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
+  rdfs: http://www.w3.org/2000/01/rdf-schema#
+  schema: https://schema.org/
+  skos: http://www.w3.org/2004/02/skos/core#
+  owl: http://www.w3.org/2002/07/owl#
+  foaf: http://xmlns.com/foaf/0.1/
+  relationship: http://purl.org/vocab/relationship/
+  dcterms: http://purl.org/dc/terms/
+  dcmitype: http://purl.org/dc/dcmitype/
+  sh: http://www.w3.org/ns/shacl#
+  shex: http://www.w3.org/ns/shex#
+  xsd: http://www.w3.org/2001/XMLSchema#
+  as: https://www.w3.org/ns/activitystreams#
+  ldp: http://www.w3.org/ns/ldp#
+  vcard: http://www.w3.org/2006/vcard/ns#
+  sec: https://w3id.org/security#
+  wgs: http://www.w3.org/2003/01/geo/wgs84_pos#
+  cc: http://creativecommons.org/ns#
+  gn: https://www.geonames.org/ontology#
+  geo: http://www.opengis.net/ont/geosparql#
+  time: http://www.w3.org/2006/time#
+
+  ng: did:ng:n:g:ns# or http://nextgraph.org/ns#
+
+did:ng:n:g:ns#post/rich
+ng:class => shortcut for did:ng:n:g:ns#class
+a rdfs:Class
+a ng:class
+did:ng:o:xxxx:yy:yy
+did:ng:n:xx.xx#name
+did:ng:n:x: curated list of ontologies
+did:ng:k common list of things (keyword)
+did:ng:n:c common data
+did:ng:n:z: curated list of external apps and services
+http://nextgraph.org/ns# => the ng: ontology (did:ng:n:g:ns#)
+
+ng:compat -> owl:unionOf rdf:List (alphabetical order, including itself as first element)
+
+-->
+<Icon {...config} variation="outline" color="black" icon={find(dataClass)} />

ng-app/src/lib/FullLayout.svelte

@@ -21,6 +21,8 @@
   import MobileBottomBar from "./MobileBottomBar.svelte";
   import Logo from "./components/Logo.svelte";
 
+  import { connection_status } from "../store";
+
   import { onMount, tick } from "svelte";
 
   import {
@@ -87,9 +89,9 @@
   <div class="full-layout">
     <Sidebar {activeUrl} {asideClass} {nonActiveClass} class="fixed">
       <SidebarWrapper
-        divClass="bg-gray-60 overflow-y-auto tall:py-4 px-3 rounded dark:bg-gray-800"
+        divClass="bg-gray-60 overflow-y-auto tall-xs:py-4 px-3 rounded dark:bg-gray-800"
       >
-        <SidebarGroup ulClass="space-y-1 tall:space-y-2">
+        <SidebarGroup ulClass="space-y-1 tall-xs:space-y-2">
           <SidebarItem label="NextGraph" href="#/user" class="mt-1">
             <svelte:fragment slot="icon">
               <Logo className="w-7 h-7 tall:w-10 tall:h-10" />
@@ -99,60 +101,64 @@
             label="Home"
             href="#/"
             on:click={scrollToTop}
-            class="py-1 tall:p-2"
+            class="py-1 tall-xs:p-2"
           >
             <svelte:fragment slot="icon">
               <Home
                 tabindex="-1"
-                class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                class="w-7 h-7 text-black transition duration-75 focus:outline-none  dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
               />
             </svelte:fragment>
           </SidebarItem>
-          <SidebarItem label="Stream" href="#/stream" class="py-1 tall:p-2">
+          <SidebarItem label="Stream" href="#/stream" class="py-1 tall-xs:p-2">
             <svelte:fragment slot="icon">
               <Bolt
                 tabindex="-1"
-                class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                class="w-7 h-7 text-black transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
               />
             </svelte:fragment>
           </SidebarItem>
-          <SidebarItem label="Search" href="#/search" class="py-1 tall:p-2">
+          <SidebarItem label="Search" href="#/search" class="py-1 tall-xs:p-2">
             <svelte:fragment slot="icon">
               <MagnifyingGlass
                 tabindex="-1"
-                class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                class="w-7 h-7 text-black transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
               />
             </svelte:fragment>
           </SidebarItem>
-          <SidebarItem label="Create" href="#/create" class="py-1 tall:p-2">
+          <SidebarItem label="Create" href="#/create" class="py-1 tall-xs:p-2">
             <svelte:fragment slot="icon">
               <PlusCircle
                 tabindex="-1"
-                class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                class="w-7 h-7 text-black transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
               />
             </svelte:fragment>
           </SidebarItem>
-          <SidebarItem label="Shared" href="#/shared" class="py-1 tall:p-2">
+          <SidebarItem label="Shared" href="#/shared" class="py-1 tall-xs:p-2">
             <svelte:fragment slot="icon">
               <Users
                 tabindex="-1"
-                class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                class="w-7 h-7 text-black transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
               />
             </svelte:fragment>
           </SidebarItem>
-          <SidebarItem label="Site" href="#/site" class="py-1 tall:p-2">
+          <SidebarItem label="Site" href="#/site" class="py-1 tall-xs:p-2">
             <svelte:fragment slot="icon">
               <User
                 tabindex="-1"
-                class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                class="w-7 h-7 text-black transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
               />
             </svelte:fragment>
           </SidebarItem>
-          <SidebarItem label="Messages" href="#/messages" class="py-1 tall:p-2">
+          <SidebarItem
+            label="Messages"
+            href="#/messages"
+            class="py-1 tall-xs:p-2"
+          >
             <svelte:fragment slot="icon">
               <PaperAirplane
                 tabindex="-1"
-                class="-rotate-45 w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                class="-rotate-45 w-7 h-7 text-black transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
               />
               <span
                 class="inline-flex justify-center items-center p-3 mt-1 -ml-3 w-3 h-3 text-sm font-medium text-primary-600 bg-primary-200 rounded-full dark:bg-primary-900 dark:text-primary-200"
@@ -164,12 +170,12 @@
           <SidebarItem
             label="Notifications"
             href="#/notifications"
-            class="mt-1 py-1 tall:p-2"
+            class="mt-1 py-1 tall-xs:p-2"
           >
             <svelte:fragment slot="icon">
               <Bell
                 tabindex="-1"
-                class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                class="w-7 h-7 text-black transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
               />
               <span
                 class="inline-flex justify-center items-center p-3 mt-1 -ml-3 w-3 h-3 text-sm font-medium text-primary-600 bg-primary-200 rounded-full dark:bg-primary-900 dark:text-primary-200"

ng-app/src/lib/Home.svelte

@@ -41,7 +41,7 @@
         <a href="#/user" class="flex items-center" on:click>
           <Logo className="w-7 h-7 tall:w-10 tall:h-10" />
           <span
-            class="ml-4 self-center text-lg font-normal text-gray-900 rounded-lg dark:text-white whitespace-nowrap"
+            class="ml-2 self-center text-lg font-normal text-gray-900 rounded-lg dark:text-white whitespace-nowrap"
             >NextGraph</span
           >
         </a>
@@ -52,7 +52,7 @@
               class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white focus:outline-none"
             />
           </a>
-          <a href="#/messages" class="ml-6 row items-center" on:click>
+          <a href="#/messages" class="ml-4 row items-center" on:click>
             <PaperAirplane
               tabindex="-1"
               class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white focus:outline-none"

ng-app/src/lib/Login.svelte

@@ -9,24 +9,43 @@
 // according to those terms.
 -->
 
+<!--
+  The Login Procedure.
+  Has multiple states (steps) through the user flow.
+  -->
+
 <script lang="ts">
-  import { Alert, Toggle } from "flowbite-svelte";
+  import { Alert, Toggle, Button } from "flowbite-svelte";
   import { onMount, createEventDispatcher, tick } from "svelte";
   import ng from "../api";
   import { emoji_cat, emojis, load_svg } from "../wallet_emojis";
-  import { PuzzlePiece } from "svelte-heros-v2";
+  import {
+    PuzzlePiece,
+    XCircle,
+    Backspace,
+    ArrowPath,
+    LockOpen,
+    Key,
+    CheckCircle,
+    ArrowLeft,
+  } from "svelte-heros-v2";
+  import PasswordInput from "./components/PasswordInput.svelte";
   //import Worker from "../worker.js?worker&inline";
   export let wallet;
   export let for_import = false;
 
+  let top;
+  function scrollToTop() {
+    top.scrollIntoView();
+  }
+
   let tauri_platform = import.meta.env.TAURI_PLATFORM;
-  let mobile = tauri_platform == "android" || tauri_platform == "ios";
 
   const dispatch = createEventDispatcher();
 
   onMount(async () => {
     loaded = false;
-    await load_svg();
+    load_svg();
     //console.log(wallet);
     await init();
   });
@@ -46,16 +65,28 @@
     }
     emojis2 = emojis2;
 
-    display = 0;
+    pazzlePage = 0;
     selection = [];
     error = undefined;
 
+    scrollToTop();
+
+    // This is only for awaiting that SVGs are loaded.
+    await load_svg();
     loaded = true;
   }
 
-  function letsgo() {
+  function start_with_pazzle() {
     loaded = false;
     step = "pazzle";
+    unlockWith = "pazzle";
+    scrollToTop();
+  }
+  function start_with_mnemonic() {
+    loaded = false;
+    step = "mnemonic";
+    unlockWith = "mnemonic";
+    scrollToTop();
   }
 
   let emojis2 = [];
@@ -68,29 +99,33 @@
 
   let pazzle_length = 9;
 
-  let display = 0;
+  let pazzlePage = 0;
 
-  let selection = [];
+  /** The selected emojis by category (one for each pazzle page). First will be the selected of first pazzle page. */
+  let selection = [].fill(null, 0, pazzle_length);
 
   let pin_code = [];
 
+  /** The selected order from the order page. */
   let ordered = [];
 
-  let last_one = {};
-
   let shuffle_pin;
 
   let error;
 
-  let trusted = false;
+  let trusted = true;
+
+  let mnemonic = "";
+
+  let unlockWith: "pazzle" | "mnemonic" | undefined;
 
   function order() {
     step = "order";
     ordered = [];
-    last_one = {};
+    // In case, this is called by the cancel button, we need to reset the selection.
-    for (let i = 0; i < pazzle_length; i++) {
+    selection.forEach((emoji) => (emoji.sel = undefined));
-      last_one[i] = true;
+    selection = selection;
-    }
+    scrollToTop();
   }
 
   async function start_pin() {
@@ -101,20 +136,19 @@
     //console.log(shuffle_pin);
   }
 
+  /** Called on selecting emoji in a category. */
   function select(val) {
     //console.log(emojis2[display][val]);
-    let cat_idx = shuffle.category_indices[display];
+    let cat_idx = shuffle.category_indices[pazzlePage];
     let cat = emojis[emoji_cat[cat_idx]];
-    let idx = shuffle.emoji_indices[display][val];
+    let idx = shuffle.emoji_indices[pazzlePage][val];
-    //console.log(cat_idx, emoji_cat[cat_idx], idx, cat[idx].code);
 
-    selection.push({ cat: cat_idx, index: idx });
+    selection[pazzlePage] = { cat: cat_idx, index: idx };
-    //console.log(selection);
 
-    if (display == pazzle_length - 1) {
+    if (pazzlePage == pazzle_length - 1) {
       order();
     } else {
-      display = display + 1;
+      pazzlePage = pazzlePage + 1;
     }
   }
 
@@ -122,22 +156,23 @@
     step = "opening";
 
     let pazzle = [];
-
     for (const emoji of ordered) {
       pazzle.push((emoji.cat << 4) + emoji.index);
     }
 
-    //console.log(pazzle);
+    const mnemonic_words = mnemonic.split(" ");
-    //console.log(wallet);
 
     // open the wallet
     try {
       if (tauri_platform) {
-        let opened_wallet = await ng.wallet_open_with_pazzle(
+        let opened_wallet =
-          wallet,
+          unlockWith === "pazzle"
-          pazzle,
+            ? await ng.wallet_open_with_pazzle(wallet, pazzle, pin_code)
-          pin_code
+            : await ng.wallet_open_with_mnemonic_words(
-        );
+                wallet,
+                mnemonic_words,
+                pin_code
+              );
         // try {
         //   let client = await ng.wallet_was_opened(opened_wallet);
         //   opened_wallet.V0.client = client;
@@ -172,7 +207,11 @@
         myWorker.onmessage = async (msg) => {
           //console.log("Message received from worker", msg.data);
           if (msg.data.loaded) {
-            myWorker.postMessage({ wallet, pazzle, pin_code });
+            if (unlockWith === "pazzle") {
+              myWorker.postMessage({ wallet, pazzle, pin_code });
+            } else {
+              myWorker.postMessage({ wallet, mnemonic_words, pin_code });
+            }
             //console.log("postMessage");
           } else if (msg.data.success) {
             //console.log(msg.data);
@@ -214,23 +253,17 @@
     dispatch("cancel");
   }
 
-  async function pin(val) {
+  async function on_pin_key(val) {
-    //console.log(val);
+    pin_code = [...pin_code, val];
-    pin_code.push(val);
-    if (pin_code.length == 4) {
-      await finish();
-    }
   }
 
-  async function select_order(val, pos) {
+  async function select_order(val) {
-    delete last_one[pos];
-    //console.log(last_one);
-    //console.log(val);
     ordered.push(val);
     val.sel = ordered.length;
+
     selection = selection;
     if (ordered.length == pazzle_length - 1) {
-      let last = selection[Object.keys(last_one)[0]];
+      let last = selection.find((emoji) => !emoji.sel);
       ordered.push(last);
       last.sel = ordered.length;
       selection = selection;
@@ -238,52 +271,379 @@
       await start_pin();
     }
   }
+
+  function go_back() {
+    if (step === "mnemonic") {
+      init();
+    } else if (step === "pazzle") {
+      // Go to previous pazzle or init page, if on first pazzle.
+      if (pazzlePage === 0) {
+        init();
+      } else {
+        pazzlePage -= 1;
+      }
+    } else if (step === "order") {
+      if (ordered.length === 0) {
+        step = "pazzle";
+      } else {
+        const last_selected = ordered.pop();
+        last_selected.sel = null;
+        ordered = ordered;
+        selection = selection;
+      }
+    } else if (step === "pin") {
+      if (pin_code.length === 0) {
+        if (unlockWith === "mnemonic") {
+          start_with_mnemonic();
+        } else {
+          // Unselect the last two elements.
+          const to_unselect = ordered.slice(-2);
+          to_unselect.forEach((val) => {
+            val.sel = null;
+          });
+
+          ordered = ordered.slice(0, -2);
+          selection = selection;
+          step = "order";
+        }
+      } else {
+        pin_code = pin_code.slice(0, pin_code.length - 1);
+      }
+    }
+  }
+
+  let width: number;
+  let height: number;
+  const breakPointWidth: number = 535;
+  const breakPointHeight: number = 1005;
+  let mobile = false;
+  $: if (width >= breakPointWidth && height >= breakPointHeight) {
+    mobile = false;
+  } else {
+    mobile = true;
+  }
 </script>
 
-{#if step == "load"}
+<div
-  <div class=" max-w-xl lg:px-8 mx-auto px-4 mt-10">
+  class="flex-col justify-center md:max-w-2xl py-4 sm:px-8"
-    <h2 class="pb-5 text-xl">How to open your wallet, step by step :</h2>
+  class:h-screen={step !== "load" && height > 660}
-    <ul class="mb-8 ml-3 space-y-4 text-left list-decimal">
+  class:flex={height > 660}
-      <li>
+  bind:this={top}
-        For each one of the 9 categories of images, you will be presented with
+>
-        the 15 possible image choices. The categories are shuffled at every
+  {#if step == "load"}
-        login. They will not always appear in the same order.
+    <div class="flex flex-col justify-center p-4 pt-6">
-      </li>
+      <h2 class="pb-5 text-xl self-start">
-      <li>
+        How to open your wallet? You have 2 options:
-        At each category, only one of the 15 displayed choices is the correct
+      </h2>
-        image that belongs to your pazzle. Find it and tap or click on that one.
+      <h3 class="pb-2 text-lg self-start">With your Pazzle</h3>
-        The 15 images are shuffled too, they will not appear at the same
+      <ul class="mb-8 ml-3 space-y-4 text-justify text-sm list-decimal">
-        position at each login. On a computer, you can also use the tab key on
+        <li>
-        your keyboard to move to the desired item on the screen, then press the
+          For each one of the 9 categories of images, you will be presented with
-        space bar to select each one.
+          the 15 possible image choices. The categories are shuffled at every
-      </li>
+          login. They will not always appear in the same order.
-      <li>
+        </li>
-        Once you completed the last category, you will be presented with all the
+        <li>
-        images you have previously selected. Their order is displayed as it was
+          At each category, only one of the 15 displayed choices is the correct
-        when you picked them. But this is not the correct order of the images in
+          image that belongs to your pazzle. Find it and tap or click on that
-        your pazzle. You now have to order them correctly.
+          one. The 15 images are shuffled too, they will not appear at the same
-      </li>
+          position at each login. On a computer, you can also use the tab key on
-      <li>
+          your keyboard to move to the desired item on the screen, then press
-        You must remember which image should be the first one in your pazzle.
+          the space bar to select each one.
-        Find it on the screen and click or tap on it. It will be greyed out and
+        </li>
-        the number 1 will appear on top of it.
+        <li>
-      </li>
+          Once you completed the last category, you will be presented with all
-      <li>
+          the images you have previously selected. Their order is displayed as
-        Move on to the second image of your pazzle (that you memorized). Find it
+          it was when you picked them. But this is not the correct order of the
-        on the screen and tap on it. Repeat this step until you reached the last
+          images in your pazzle. You now have to order them correctly.
-        image.
+        </li>
-      </li>
+        <li>
-      <li>
+          You must remember which image should be the first one in your pazzle.
-        Finally, your PIN code will be asked. enter it by clicking or tapping on
+          Find it on the screen and click or tap on it. It will be greyed out
-        the digits.
+          and the number 1 will appear on top of it.
-      </li>
+        </li>
-    </ul>
+        <li>
-  </div>
+          Move on to the second image of your pazzle (that you memorized). Find
-  <div class=" max-w-xl lg:px-8 mx-auto px-4 text-primary-700">
+          it on the screen and tap on it. Repeat this step until you reached the
-    {#if !loaded}
+          last image.
-      Loading pazzle...
+        </li>
+        <li>
+          Finally, your PIN code will be asked. enter it by clicking or tapping
+          on the digits.
+        </li>
+      </ul>
+
+      <h3 class="pb-2 text-lg self-start">
+        With your 12 words Mnemonic (passphrase)
+      </h3>
+      <ul class="mb-8 ml-3 space-y-4 text-justify text-sm list-decimal">
+        <li>
+          Enter your twelve words mnemonic in the input field. The words must be
+          separated by spaces.
+        </li>
+        <li>Enter the PIN code that you chose when you created your wallet.</li>
+      </ul>
+
+      <!-- Save wallet? -->
+      {#if for_import}
+        <div class="max-w-xl lg:px-8 mx-auto px-4 mb-2">
+          <span class="text-xl">Do you trust this device? </span> <br />
+          <p class="text-sm">
+            If you do, if this device is yours or is used by few trusted persons
+            of your family or workplace, and you would like to login again from
+            this device in the future, then you can save your wallet on this
+            device. To the contrary, if this device is public and shared by
+            strangers, do not save your wallet here. {#if !tauri_platform}By
+              selecting this option, you agree to saving some cookies on your
+              browser.{/if}<br />
+          </p>
+          <div class="flex justify-center items-center my-4">
+            <Toggle class="" bind:checked={trusted}
+              >Yes, save my wallet on this device</Toggle
+            >
+          </div>
+        </div>
+      {/if}
+
+      <div class=" max-w-xl lg:px-8 mx-auto px-4 text-primary-700">
+        <div class="flex flex-col justify-centerspace-x-12 mt-4 mb-4">
+          {#if !loaded}
+            Loading pazzle...
+            <svg
+              class="animate-spin my-4 h-14 w-14 mx-auto"
+              xmlns="http://www.w3.org/2000/svg"
+              fill="none"
+              stroke="currentColor"
+              viewBox="0 0 24 24"
+            >
+              <circle
+                class="opacity-25"
+                cx="12"
+                cy="12"
+                r="10"
+                stroke="currentColor"
+                stroke-width="4"
+              />
+              <path
+                class="opacity-75"
+                fill="currentColor"
+                d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
+              />
+            </svg>
+          {:else}
+            <button
+              on:click={start_with_pazzle}
+              class="mt-1 text-white bg-primary-700 hover:bg-primary-700/90 focus:ring-4 focus:ring-primary-100/50 rounded-lg text-lg px-5 py-2.5 text-center inline-flex items-center dark:focus:ring-primary-700/55 mb-2"
+            >
+              <PuzzlePiece
+                tabindex="-1"
+                class="w-8 h-8 mr-2 -ml-1 transition duration-75 focus:outline-none  group-hover:text-gray-900 dark:group-hover:text-white"
+              />
+              Open with Pazzle!
+            </button>
+          {/if}
+          <button
+            on:click={cancel}
+            class="mt-3 mb-2 text-gray-500 dark:text-gray-400 focus:ring-4 focus:ring-primary-100/50 rounded-lg text-lg px-5 py-2.5 text-center inline-flex items-center dark:focus:ring-primary-700/55"
+            ><ArrowLeft
+              tabindex="-1"
+              class="w-8 h-8 mr-2 -ml-1 transition duration-75 focus:outline-none  group-hover:text-gray-900 dark:group-hover:text-white"
+            />Cancel login</button
+          >
+          <span
+            on:click={start_with_mnemonic}
+            on:keypress={start_with_mnemonic}
+            role="link"
+            tabindex="0"
+            class="mt-1 text-lg px-5 py-2.5 text-center inline-flex items-center mb-2 underline cursor-pointer"
+          >
+            Open with Mnemonic instead
+          </span>
+        </div>
+      </div>
+    </div>
+    <!-- The following steps have navigation buttons and fixed layout -->
+  {:else if step == "pazzle" || step == "order" || step == "pin" || step == "mnemonic"}
+    <div
+      class="flex-col justify-center h-screen"
+      class:flex={height > 660}
+      class:min-w-[310px]={mobile}
+      class:min-w-[500px]={!mobile}
+      class:max-w-[370px]={mobile}
+      class:max-w-[600px]={!mobile}
+    >
+      <div class="mt-auto flex flex-col justify-center">
+        <!-- Unlock Screens -->
+
+        {#if step == "mnemonic"}
+          <form on:submit|preventDefault={start_pin}>
+            <label
+              for="mnemonic-input"
+              class="block mb-2 text-xl text-gray-900 dark:text-white"
+              >Enter your 12 words mnemonic</label
+            >
+            <PasswordInput
+              id="mnemonic-input"
+              placeholder="12 words separated by spaces"
+              bind:value={mnemonic}
+              className="bg-gray-50 border border-gray-300 text-gray-900 text-sm rounded-lg focus:ring-blue-500 focus:border-blue-500 block w-full p-2.5 dark:bg-gray-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500"
+              auto_complete="mnemonic"
+            />
+            <div class="flex">
+              <Button
+                type="submit"
+                class="mt-3 mb-2 ml-auto text-white bg-primary-700 disabled:opacity-65 focus:ring-4 focus:ring-blue-500 focus:border-blue-500 rounded-lg text-lg px-5 py-2.5 text-center inline-flex items-center dark:focus:ring-blue-500 dark:focus:border-blue-500"
+                on:click={start_pin}
+                disabled={mnemonic.split(" ").length !== 12}
+                ><CheckCircle
+                  tabindex="-1"
+                  class="w-8 h-8 mr-2 -ml-1 transition duration-75  group-hover:text-gray-900 dark:group-hover:text-white"
+                />Confirm</Button
+              >
+            </div>
+          </form>
+        {:else if step == "pazzle"}
+          <p class="max-w-xl mx-auto lg:max-w-2xl">
+            <span class="text-xl">
+              <!-- TODO: Internationalization-->
+              Select your emoji of category:<br />{emoji_cat[
+                shuffle.category_indices[pazzlePage]
+              ]}</span
+            >
+          </p>
+          {#each [0, 1, 2, 3, 4] as row}
+            <div class="columns-3 gap-0">
+              {#each emojis2[pazzlePage]?.slice(0 + row * 3, 3 + row * 3) || [] as emoji, i (pazzlePage + "-" + row + "-" + i)}
+                <div
+                  role="button"
+                  tabindex="0"
+                  class="w-full aspect-square emoji focus:outline-none focus:bg-gray-300"
+                  on:click={() => select(row * 3 + i)}
+                  on:keypress={() => select(row * 3 + i)}
+                >
+                  <svelte:component this={emoji.svg?.default} />
+                </div>
+              {/each}
+            </div>
+          {/each}
+        {:else if step == "order"}
+          <p class="max-w-xl mx-auto lg:max-w-2xl mb-2">
+            <span class="text-xl">Select each image in the correct order</span>
+          </p>
+          {#each [0, 1, 2] as row}
+            <div class="columns-3 gap-0">
+              {#each selection.slice(0 + row * 3, 3 + row * 3) || [] as emoji, i}
+                {#if !emoji.sel}
+                  <div
+                    role="button"
+                    tabindex="0"
+                    class="w-full aspect-square emoji focus:outline-none focus:bg-gray-300"
+                    on:click={() => select_order(emoji)}
+                    on:keypress={() => select_order(emoji)}
+                  >
+                    <svelte:component
+                      this={emojis[emoji_cat[emoji.cat]][emoji.index].svg
+                        ?.default}
+                    />
+                  </div>
+                {:else}
+                  <div
+                    class="w-full aspect-square opacity-25 select-none sel-emoji"
+                  >
+                    <svelte:component
+                      this={emojis[emoji_cat[emoji.cat]][emoji.index].svg
+                        ?.default}
+                    />
+                    <span
+                      class="sel drop-shadow-[2px_2px_2px_rgba(255,255,255,1)]"
+                      class:text-[8em]={!mobile}
+                      class:text-[6em]={mobile}>{emoji.sel}</span
+                    >
+                  </div>
+                {/if}
+              {/each}
+            </div>
+          {/each}
+        {:else if step == "pin"}
+          <p class="items-center">
+            <span class="text-xl">Enter your PIN code</span>
+          </p>
+          <!-- Chrome requires the columns-3 __flex__ to be set, or else it wraps the lines incorrectly.
+               However, this leads to the width decreasing and the buttons come together in mobile view.
+               So we need a way to fix the width across all screens. -->
+          {#each [0, 1, 2] as row}
+            <div class="columns-3 flex">
+              {#each shuffle_pin.slice(0 + row * 3, 3 + row * 3) as num}
+                <button
+                  tabindex="0"
+                  class="pindigit m-1 disabled:opacity-15 disabled:text-gray-200 select-none align-bottom text-7xl p-0 w-full aspect-square border-0"
+                  class:h-[160px]={!mobile}
+                  class:h-[100px]={mobile}
+                  class:text-8xl={!mobile}
+                  on:click={async () => await on_pin_key(num)}
+                  disabled={pin_code.length >= 4}
+                >
+                  <span>{num}</span>
+                </button>
+              {/each}
+            </div>
+          {/each}
+          <div class="columns-3 flex">
+            <div class="m-1 w-full aspect-square" />
+            <button
+              tabindex="0"
+              class="pindigit disabled:opacity-15 m-1 disabled:text-gray-200 select-none align-bottom text-7xl p-0 w-full aspect-square border-0"
+              class:h-[160px]={!mobile}
+              class:h-[100px]={mobile}
+              class:text-8xl={!mobile}
+              on:click={async () => await on_pin_key(shuffle_pin[9])}
+              disabled={pin_code.length >= 4}
+            >
+              <span>{shuffle_pin[9]}</span>
+            </button>
+            <Button
+              tabindex="0"
+              class="w-full bg-green-300 hover:bg-green-300/90 enabled:animate-bounce disabled:bg-gray-200 disabled:opacity-15 m-1 select-none align-bottom text-7xl p-0 aspect-square border-0"
+              on:click={async () => await finish()}
+              disabled={pin_code.length < 4}
+            >
+              <LockOpen
+                tabindex="-1"
+                class="w-[50%] h-[50%] transition duration-75 focus:outline-none select-none group-hover:text-gray-900 dark:group-hover:text-white"
+              />
+            </Button>
+          </div>
+          <span class="mt-3 text-9xl min-h-[8rem] text-center"
+            >{#each pin_code as pin_key}*{/each}</span
+          >
+        {/if}
+      </div>
+      <!-- Navigation Buttons for pazzle, order pin, mnemonic -->
+      <div class="flex justify-between mb-6 mt-auto">
+        <button
+          on:click={cancel}
+          class="mt-1 bg-red-100 hover:bg-red-100/90 focus:ring-4 focus:ring-primary-100/50 rounded-lg sm:text-lg px-5 py-2.5 text-center select-none inline-flex items-center dark:focus:ring-primary-700/55"
+          ><XCircle
+            tabindex="-1"
+            class="w-8 h-8 mr-2 -ml-1 transition focus:outline-none duration-75 group-hover:text-gray-900 dark:group-hover:text-white"
+          />Cancel</button
+        >
+        <button
+          class="mt-1 ml-2 min-w-[141px] focus:ring-4 focus:ring-primary-100/50 rounded-lg sm:text-lg px-5 py-2.5 text-center select-none inline-flex items-center dark:focus:ring-primary-700/55"
+          on:click={go_back}
+          ><Backspace
+            tabindex="-1"
+            class="w-8 h-8 mr-2 -ml-1 transition focus:outline-none duration-75 group-hover:text-gray-900 dark:group-hover:text-white"
+          />{#if step === "mnemonic" || (step === "pazzle" && pazzlePage === 0)}Go
+            back{:else}Correct{/if}</button
+        >
+      </div>
+    </div>
+  {:else if step == "opening"}
+    <div class=" max-w-6xl lg:px-8 mx-auto px-4 text-primary-700">
+      Opening your wallet...<br />
+      Please wait
       <svg
-        class="animate-spin my-4 h-14 w-14 mx-auto"
+        class="animate-spin mt-10 h-14 w-14 mx-auto"
         xmlns="http://www.w3.org/2000/svg"
         fill="none"
         stroke="currentColor"
@@ -303,213 +663,97 @@
           d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
         />
       </svg>
-    {:else}
-      <button
-        on:click={letsgo}
-        class="mt-1 text-white bg-primary-700 hover:bg-primary-700/90 focus:ring-4 focus:ring-primary-100/50 font-medium rounded-lg text-lg px-5 py-2.5 text-center inline-flex items-center dark:focus:ring-primary-700/55 mb-2"
-      >
-        <PuzzlePiece
-          tabindex="-1"
-          class="w-8 h-8 mr-2 -ml-1 transition duration-75  group-hover:text-gray-900 dark:group-hover:text-white"
-        />
-        Open my wallet now!
-      </button>
-    {/if}
-  </div>
-  {#if for_import}
-    <div class=" max-w-xl lg:px-8 mx-auto px-4 mb-8">
-      <span class="text-xl">Do you trust this device? </span> <br />
-      <div class="flex justify-center items-center my-4">
-        <Toggle class="" bind:checked={trusted}
-          >Yes, save my wallet on this device</Toggle
-        >
-      </div>
-      <p class="text-sm">
-        If you do, if this device is yours or is used by few trusted persons of
-        your family or workplace, and you would like to login again from this
-        device in the future, then you can save your wallet on this device. To
-        the contrary, if this device is public and shared by strangers, do not
-        save your wallet here. {#if !tauri_platform}By selecting this option,
-          you agree to save some cookies on your browser.{/if}<br />
-      </p>
     </div>
-  {/if}
+  {:else if step == "end"}
-{:else if step == "pazzle"}
+    {#if error}
-  <div
+      <div class=" max-w-6xl lg:px-8 mx-auto text-red-800">
-    class="h-screen aspect-[3/5] pazzleline"
+        <div class="mt-auto max-w-6xl lg:px-8">
-    class:min-w-[310px]={mobile}
+          An error occurred !
-    class:min-w-[500px]={!mobile}
+          <svg
-    class:max-w-[360px]={mobile}
+            fill="none"
-    class:max-w-[600px]={!mobile}
+            class="animate-bounce mt-10 h-10 w-10 mx-auto"
-  >
+            stroke="currentColor"
-    {#each [0, 1, 2, 3, 4] as row}
+            stroke-width="1.5"
-      <div class="columns-3 gap-0">
+            viewBox="0 0 24 24"
-        {#each emojis2[display]?.slice(0 + row * 3, 3 + row * 3) || [] as emoji, i}
+            xmlns="http://www.w3.org/2000/svg"
-          <div
+            aria-hidden="true"
-            role="button"
-            tabindex="0"
-            class="w-full aspect-square emoji focus:outline-none focus:bg-gray-300"
-            on:click={() => select(row * 3 + i)}
-            on:keypress={() => select(row * 3 + i)}
           >
-            <svelte:component this={emoji.svg?.default} />
+            <path
-          </div>
+              stroke-linecap="round"
-        {/each}
+              stroke-linejoin="round"
+              d="M12 9v3.75m-9.303 3.376c-.866 1.5.217 3.374 1.948 3.374h14.71c1.73 0 2.813-1.874 1.948-3.374L13.949 3.378c-.866-1.5-3.032-1.5-3.898 0L2.697 16.126zM12 15.75h.007v.008H12v-.008z"
+            />
+          </svg>
+          <Alert color="red" class="mt-5">
+            {error}
+          </Alert>
+        </div>
+        <div class="flex justify-between mt-auto gap-4">
+          <button
+            on:click={cancel}
+            class="mt-10 bg-red-100 hover:bg-red-100/90 focus:ring-4 focus:ring-primary-100/50 rounded-lg text-lg px-5 py-2.5 text-center inline-flex items-center dark:focus:ring-primary-700/55"
+            ><XCircle
+              tabindex="-1"
+              class="w-8 h-8 mr-2 -ml-1 transition duration-75 focus:outline-none group-hover:text-gray-900 dark:group-hover:text-white"
+            />Cancel</button
+          >
+          <button
+            class="mt-10 ml-2 select-none text-white bg-primary-700 hover:bg-primary-700/90 focus:ring-4 focus:ring-primary-100/50 rounded-lg text-lg px-5 py-2.5 text-center inline-flex items-center dark:focus:ring-primary-700/55"
+            on:click={init}
+          >
+            <ArrowPath
+              tabindex="-1"
+              class="w-8 h-8 mr-2 -ml-1 transition duration-75 focus:outline-none group-hover:text-gray-900 dark:group-hover:text-white"
+            />
+            Try again
+          </button>
+        </div>
       </div>
-    {/each}
+    {:else}
-  </div>
+      <div class=" max-w-6xl lg:px-8 mx-auto px-4 text-green-800">
-{:else if step == "order"}
+        Your wallet is opened! <br />Please wait while the app is loading...
-  <!-- console.log(cat_idx, emoji_cat[cat_idx], idx, cat[idx].code); -->
+        <svg
-  <div
+          class="my-10 h-16 w-16 mx-auto"
-    class="h-screen aspect-[3/3] pazzleline"
+          fill="none"
-    class:min-w-[320px]={mobile}
+          stroke="currentColor"
-    class:min-w-[500px]={!mobile}
+          stroke-width="1.5"
-    class:max-w-[360px]={mobile}
+          viewBox="0 0 24 24"
-    class:max-w-[600px]={!mobile}
+          xmlns="http://www.w3.org/2000/svg"
-  >
+          aria-hidden="true"
-    {#each [0, 1, 2] as row}
+        >
-      <div class="columns-3 gap-0">
+          <path
-        {#each selection.slice(0 + row * 3, 3 + row * 3) || [] as emoji, i}
+            stroke-linecap="round"
-          {#if !emoji.sel}
+            stroke-linejoin="round"
-            <div
+            d="M9 12.75L11.25 15 15 9.75M21 12c0 1.268-.63 2.39-1.593 3.068a3.745 3.745 0 01-1.043 3.296 3.745 3.745 0 01-3.296 1.043A3.745 3.745 0 0112 21c-1.268 0-2.39-.63-3.068-1.593a3.746 3.746 0 01-3.296-1.043 3.745 3.745 0 01-1.043-3.296A3.745 3.745 0 013 12c0-1.268.63-2.39 1.593-3.068a3.745 3.745 0 011.043-3.296 3.746 3.746 0 013.296-1.043A3.746 3.746 0 0112 3c1.268 0 2.39.63 3.068 1.593a3.746 3.746 0 013.296 1.043 3.746 3.746 0 011.043 3.296A3.745 3.745 0 0121 12z"
-              role="button"
+          />
-              tabindex="0"
+        </svg>
-              class="w-full aspect-square emoji focus:outline-none focus:bg-gray-300"
-              on:click={() => select_order(emoji, row * 3 + i)}
-              on:keypress={() => select_order(emoji, row * 3 + i)}
-            >
-              <svelte:component
-                this={emojis[emoji_cat[emoji.cat]][emoji.index].svg?.default}
-              />
-            </div>
-          {:else}
-            <div class="w-full aspect-square opacity-25 select-none sel-emoji">
-              <svelte:component
-                this={emojis[emoji_cat[emoji.cat]][emoji.index].svg?.default}
-              />
-              <span class="sel drop-shadow-[2px_2px_2px_rgba(255,255,255,1)]"
-                >{emoji.sel}</span
-              >
-            </div>
-          {/if}
-        {/each}
       </div>
-    {/each}
+    {/if}
-  </div>
-{:else if step == "pin"}
-  <div class=" max-w-6xl lg:px-8 mx-auto px-3">
-    <p class="max-w-xl md:mx-auto lg:max-w-2xl">
-      <span class="text-xl">Enter your PIN code</span>
-    </p>
-    <div class="w-[295px] mx-auto">
-      {#each [0, 1, 2] as row}
-        <div class="">
-          {#each shuffle_pin.slice(0 + row * 3, 3 + row * 3) as num}
-            <button
-              tabindex="0"
-              class="m-1 select-none align-bottom text-7xl w-[90px] h-[90px] p-0"
-              on:click={async () => await pin(num)}
-            >
-              <span>{num}</span>
-            </button>
-          {/each}
-        </div>
-      {/each}
-      <button
-        tabindex="0"
-        class="m-1 select-none mx-auto align-bottom text-7xl w-[90px] h-[90px] p-0"
-        on:click={async () => await pin(shuffle_pin[9])}
-      >
-        <span>{shuffle_pin[9]}</span>
-      </button>
-    </div>
-  </div>
-{:else if step == "opening"}
-  <div class=" max-w-6xl lg:px-8 mx-auto px-4 text-primary-700">
-    Opening your wallet...<br />
-    Please wait
-    <svg
-      class="animate-spin mt-10 h-14 w-14 mx-auto"
-      xmlns="http://www.w3.org/2000/svg"
-      fill="none"
-      stroke="currentColor"
-      viewBox="0 0 24 24"
-    >
-      <circle
-        class="opacity-25"
-        cx="12"
-        cy="12"
-        r="10"
-        stroke="currentColor"
-        stroke-width="4"
-      />
-      <path
-        class="opacity-75"
-        fill="currentColor"
-        d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
-      />
-    </svg>
-  </div>
-{:else if step == "end"}
-  {#if error}
-    <div class=" max-w-6xl lg:px-8 mx-auto px-4 text-red-800">
-      An error occurred !
-      <svg
-        fill="none"
-        class="animate-bounce mt-10 h-10 w-10 mx-auto"
-        stroke="currentColor"
-        stroke-width="1.5"
-        viewBox="0 0 24 24"
-        xmlns="http://www.w3.org/2000/svg"
-        aria-hidden="true"
-      >
-        <path
-          stroke-linecap="round"
-          stroke-linejoin="round"
-          d="M12 9v3.75m-9.303 3.376c-.866 1.5.217 3.374 1.948 3.374h14.71c1.73 0 2.813-1.874 1.948-3.374L13.949 3.378c-.866-1.5-3.032-1.5-3.898 0L2.697 16.126zM12 15.75h.007v.008H12v-.008z"
-        />
-      </svg>
-      <Alert color="red" class="mt-5">
-        {error}
-      </Alert>
-      <button class="mt-10 select-none" on:click={init}> Try again </button>
-      <button class="mt-10 ml-5 select-none" on:click={cancel}> Cancel </button>
-    </div>
-  {:else}
-    <div class=" max-w-6xl lg:px-8 mx-auto px-4 text-green-800">
-      Your wallet is opened! <br />Please wait while the app is loading...
-      <svg
-        class="my-10 h-16 w-16 mx-auto"
-        fill="none"
-        stroke="currentColor"
-        stroke-width="1.5"
-        viewBox="0 0 24 24"
-        xmlns="http://www.w3.org/2000/svg"
-        aria-hidden="true"
-      >
-        <path
-          stroke-linecap="round"
-          stroke-linejoin="round"
-          d="M9 12.75L11.25 15 15 9.75M21 12c0 1.268-.63 2.39-1.593 3.068a3.745 3.745 0 01-1.043 3.296 3.745 3.745 0 01-3.296 1.043A3.745 3.745 0 0112 21c-1.268 0-2.39-.63-3.068-1.593a3.746 3.746 0 01-3.296-1.043 3.745 3.745 0 01-1.043-3.296A3.745 3.745 0 013 12c0-1.268.63-2.39 1.593-3.068a3.745 3.745 0 011.043-3.296 3.746 3.746 0 013.296-1.043A3.746 3.746 0 0112 3c1.268 0 2.39.63 3.068 1.593a3.746 3.746 0 013.296 1.043 3.746 3.746 0 011.043 3.296A3.745 3.745 0 0121 12z"
-        />
-      </svg>
-    </div>
   {/if}
-{/if}
+</div>
+
+<svelte:window bind:innerWidth={width} bind:innerHeight={height} />
 
 <style>
-  .pazzleline {
+  .pindigit {
+    min-height: 99px;
+  }
+
+  /* .pazzleline {
     margin-right: auto;
     margin-left: auto;
-  }
+  } */
 
   .sel {
     position: absolute;
+    display: flex;
     width: 100%;
-    top: 45%;
+    height: 100%;
+    top: 0;
     left: 0;
-    font-size: 100px;
     font-weight: 700;
+    justify-content: center;
+    align-items: center;
   }
 
   .sel-emoji {

ng-app/src/lib/NoWallet.svelte

@@ -9,6 +9,11 @@
 // according to those terms.
 -->
 
+<!--
+  Component to inform the user, that no wallet is registered on this device.
+  Offers login or create wallet buttons.
+-->
+
 <script>
   // @ts-ignore
   import Logo from "../assets/nextgraph.svg?component";
@@ -16,7 +21,7 @@
   import CenteredLayout from "./CenteredLayout.svelte";
 </script>
 
-<CenteredLayout>
+<CenteredLayout displayFooter={true}>
   <div class="container3">
     <div class="row">
       <Logo class="logo block h-40" alt="NextGraph Logo" />

ng-app/src/lib/Test.svelte

@@ -25,6 +25,7 @@
   import { link } from "svelte-spa-router";
   import { onMount, onDestroy, tick } from "svelte";
   import { Button } from "flowbite-svelte";
+  import DataClassIcon from "./DataClassIcon.svelte";
 
   let is_tauri = import.meta.env.TAURI_PLATFORM;
 

ng-app/src/lib/ZeraIcon.svelte

@@ -0,0 +1,120 @@
+<!--
+// Copyright (c) 2022-2024 Niko Bonnieure, Par le Peuple, NextGraph.org developers
+// All rights reserved.
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE2 or http://www.apache.org/licenses/LICENSE-2.0>
+// or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
+// at your option. All files in the project carrying such
+// notice may not be copied, modified, or distributed except
+// according to those terms.
+-->
+
+<script lang="ts">
+  import {
+    Icon,
+    BugAnt,
+    DocumentText,
+    Window,
+    CodeBracket,
+    SquaresPlus,
+    ViewfinderCircle,
+    ArrowsPointingOut,
+    Cube,
+    Briefcase,
+    MagnifyingGlass,
+    RocketLaunch,
+    Sun,
+    TableCells,
+    ListBullet,
+    RectangleGroup,
+    Squares2x2,
+    MapPin,
+    CircleStack,
+    Envelope,
+    GlobeAlt,
+    DocumentChartBar,
+    Document,
+    ClipboardDocumentList,
+    Photo,
+    Film,
+    RectangleStack,
+    Microphone,
+    MusicalNote,
+    Ticket,
+    CursorArrowRays,
+    Megaphone,
+    User,
+    Clock,
+    CalendarDays,
+    Calendar,
+    Stop,
+    Flag,
+    HandRaised,
+    Newspaper,
+    PencilSquare,
+    CubeTransparent,
+    PresentationChartBar,
+    QuestionMarkCircle,
+    CheckCircle,
+    ChartPie,
+    Bars3BottomLeft,
+    Link,
+    Square2Stack,
+    Clipboard,
+    StopCircle,
+    Share,
+    Play,
+    DocumentArrowDown,
+    DocumentArrowUp,
+    CloudArrowUp,
+    CloudArrowDown,
+    Beaker,
+    Eye,
+  } from "svelte-heros-v2";
+
+  export let config = {};
+  export let zera: string;
+
+  const exact_mapping = {
+    json_ld_editor: TableCells,
+    json_editor: TableCells,
+    triple_editor: Share,
+    rdf_viewer: CircleStack,
+    graph_viewer: Sun,
+    sparql_query: RocketLaunch,
+    sparnatural: CursorArrowRays,
+    graphql: Cube,
+    invoke: Play,
+    ontology_viewer: ArrowsPointingOut,
+    download: DocumentArrowDown,
+    post_edit: PencilSquare,
+    file: Document,
+    source: CodeBracket,
+    post: DocumentText,
+    pad: Square2Stack,
+    card: Clipboard,
+    gallery: RectangleStack,
+    load_graph: CloudArrowUp,
+    load: DocumentArrowUp,
+    dump: CloudArrowDown,
+    ext: GlobeAlt,
+    app_store: SquaresPlus,
+    app_editor: Beaker,
+    list: ListBullet,
+    grid: Squares2x2,
+    view: Eye,
+  };
+
+  const prefix_mapping = {};
+
+  const find = (t) => {
+    let e = exact_mapping[t];
+    if (e) return e;
+    for (let prefix of Object.entries(prefix_mapping)) {
+      if (t.startsWith(prefix[0])) return prefix[1];
+    }
+    return BugAnt;
+  };
+</script>
+
+<Icon {...config} variation="outline" color="black" icon={find(zera)} />

ng-app/src/lib/components/CopyToClipboard.svelte

@@ -0,0 +1,78 @@
+<script lang="ts">
+  export let value: string = "";
+  export let id: string;
+
+  let has_success: boolean = false;
+
+  const tauri_platform = import.meta.env.TAURI_PLATFORM;
+  const setClipboard = async (text: string) => {
+    if (tauri_platform) {
+      // TODO: this won't work for tauri platform.
+      // const { writeText } = await import("@tauri-apps/api/clipboard");
+      // await writeText(text);
+    } else {
+      navigator.clipboard.writeText(text);
+    }
+  };
+
+  const on_click = (e) => {
+    has_success = true;
+    setTimeout(() => (has_success = false), 2_000);
+    setClipboard(value);
+  };
+</script>
+
+<div class="w-full mt-2">
+  <div class="relative">
+    <textarea
+      {id}
+      rows="3"
+      style="resize: none;"
+      {value}
+      class="col-span-6 pr-11 bg-gray-50 border border-gray-300 text-gray-900 text-sm rounded-lg focus:ring-blue-500 focus:border-blue-500 block w-full p-2.5 dark:bg-gray-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-gray-400 dark:focus:ring-blue-500 dark:focus:border-blue-500"
+      disabled
+      readonly
+    />
+    {#if !tauri_platform}
+      <button
+        on:click={on_click}
+        class="absolute inset-y-0 right-0 p-3 flex items-center text-sm leading-5 bg-transparent shadow-none"
+      >
+        <span id="default-icon" class:hidden={has_success}>
+          <svg
+            class="w-3.5 h-3.5"
+            aria-hidden="true"
+            xmlns="http://www.w3.org/2000/svg"
+            fill="currentColor"
+            viewBox="0 0 18 20"
+          >
+            <path
+              d="M16 1h-3.278A1.992 1.992 0 0 0 11 0H7a1.993 1.993 0 0 0-1.722 1H2a2 2 0 0 0-2 2v15a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V3a2 2 0 0 0-2-2Zm-3 14H5a1 1 0 0 1 0-2h8a1 1 0 0 1 0 2Zm0-4H5a1 1 0 0 1 0-2h8a1 1 0 1 1 0 2Zm0-5H5a1 1 0 0 1 0-2h2V2h4v2h2a1 1 0 1 1 0 2Z"
+            />
+          </svg>
+        </span>
+        <span
+          id="success-icon"
+          class="inline-flex items-center"
+          class:hidden={!has_success}
+        >
+          <svg
+            class="w-3.5 h-3.5 text-blue-700 dark:text-blue-500"
+            aria-hidden={!has_success}
+            xmlns="http://www.w3.org/2000/svg"
+            fill="none"
+            viewBox="0 0 16 12"
+          >
+            <path
+              stroke="currentColor"
+              stroke-linecap="round"
+              stroke-linejoin="round"
+              stroke-width="2"
+              d="M1 5.917 5.724 10.5 15 1.5"
+            />
+          </svg>
+        </span>
+      </button>
+    {/if}
+  </div>
+</div>

ng-app/src/lib/components/Logo.svelte

@@ -23,42 +23,18 @@ Provide classes using the `className` prop.
 <script lang="ts">
   import { connection_status } from "../../store";
   // @ts-ignore
-  import Logo from "../../assets/nextgraph.svg?component";
+  import Logo from "../../assets/nextgraph-nofill.svg?component";
 
   export let className: string = "";
-
+  let connection_status_class = "logo-blue";
   // Color is adjusted to connection status.
-  let connection_status_class = ""; // Default is blue.
+  $: if ($connection_status === "connecting") {
-  if ($connection_status === "connecting") {
     connection_status_class = "logo-pulse";
   } else if ($connection_status === "disconnected") {
     connection_status_class = "logo-gray";
+  } else {
+    connection_status_class = "logo-blue";
   }
 </script>
 
 <Logo class={`${className} ${connection_status_class}`} />
-
-<!-- Sorry for the global but this way we can change the Logo's css from this component. -->
-<style global>
-  @keyframes pulse-logo-color {
-    0%,
-    100% {
-      /* Default colors come from the svg. */
-    }
-    50% {
-      /* Mid-transition color */
-      stroke: #888;
-      fill: #888;
-    }
-  }
-
-  .logo-pulse path {
-    animation: pulse-logo-color 2s infinite;
-    animation-timing-function: cubic-bezier(0.65, 0.01, 0.59, 0.83);
-  }
-
-  .logo-gray path {
-    fill: #888;
-    stroke: #888;
-  }
-</style>

ng-app/src/lib/components/PasswordInput.svelte

@@ -0,0 +1,76 @@
+<script lang="ts">
+  export let value: string | undefined = undefined;
+  export let placeholder: string | undefined = undefined;
+  export let className: string | undefined = undefined;
+  export let id: string | undefined = undefined;
+  export let auto_complete: string | undefined = undefined;
+
+  export let show: boolean = false;
+
+  let input;
+
+  let type: "password" | "text" = "password";
+  $: type = show ? "text" : "password";
+
+  function handleInput(event: Event) {
+    const target = event.target as HTMLInputElement;
+    value = target.value;
+  }
+
+  async function toggle() {
+    let { selectionStart, selectionEnd } = input;
+    show = !show;
+    input.focus();
+    setTimeout(function () {
+      input.selectionStart = selectionStart;
+      input.selectionEnd = selectionEnd;
+    }, 0);
+  }
+</script>
+
+<div class="relative">
+  <input
+    bind:this={input}
+    {value}
+    {placeholder}
+    {id}
+    {type}
+    on:input={handleInput}
+    class={`${className} pr-12 text-md block`}
+    autocomplete={auto_complete}
+  />
+
+  <div
+    class="absolute inset-y-0 right-0 pr-3 flex items-center text-sm leading-5"
+  >
+    <svg
+      fill="none"
+      on:click={toggle}
+      on:keypress={toggle}
+      class={`${show ? "block" : "hidden"} h-6 text-gray-700`}
+      xmlns="http://www.w3.org/2000/svg"
+      viewbox="0 0 576 512"
+    >
+      <path
+        fill="currentColor"
+        d="M572.52 241.4C518.29 135.59 410.93 64 288 64S57.68 135.64 3.48 241.41a32.35 32.35 0 0 0 0 29.19C57.71 376.41 165.07 448 288 448s230.32-71.64 284.52-177.41a32.35 32.35 0 0 0 0-29.19zM288 400a144 144 0 1 1 144-144 143.93 143.93 0 0 1-144 144zm0-240a95.31 95.31 0 0 0-25.31 3.79 47.85 47.85 0 0 1-66.9 66.9A95.78 95.78 0 1 0 288 160z"
+      >
+      </path>
+    </svg>
+
+    <svg
+      fill="none"
+      class={`${!show ? "block" : "hidden"} h-6 text-gray-700`}
+      on:click={toggle}
+      on:keypress={toggle}
+      xmlns="http://www.w3.org/2000/svg"
+      viewbox="0 0 640 512"
+    >
+      <path
+        fill="currentColor"
+        d="M320 400c-75.85 0-137.25-58.71-142.9-133.11L72.2 185.82c-13.79 17.3-26.48 35.59-36.72 55.59a32.35 32.35 0 0 0 0 29.19C89.71 376.41 197.07 448 320 448c26.91 0 52.87-4 77.89-10.46L346 397.39a144.13 144.13 0 0 1-26 2.61zm313.82 58.1l-110.55-85.44a331.25 331.25 0 0 0 81.25-102.07 32.35 32.35 0 0 0 0-29.19C550.29 135.59 442.93 64 320 64a308.15 308.15 0 0 0-147.32 37.7L45.46 3.37A16 16 0 0 0 23 6.18L3.37 31.45A16 16 0 0 0 6.18 53.9l588.36 454.73a16 16 0 0 0 22.46-2.81l19.64-25.27a16 16 0 0 0-2.82-22.45zm-183.72-142l-39.3-30.38A94.75 94.75 0 0 0 416 256a94.76 94.76 0 0 0-121.31-92.21A47.65 47.65 0 0 1 304 192a46.64 46.64 0 0 1-1.54 10l-73.61-56.89A142.31 142.31 0 0 1 320 112a143.92 143.92 0 0 1 144 144c0 21.63-5.29 41.79-13.9 60.11z"
+      >
+      </path>
+    </svg>
+  </div>
+</div>

ng-app/src/routes/Home.svelte

@@ -9,18 +9,28 @@
 // according to those terms.
 -->
 
+<!--
+  Home page to display for logged in users.
+  Redirects to no-wallet or login page, if not logged in.
+-->
+
 <script>
-  import { Button } from "flowbite-svelte";
-  import { link } from "svelte-spa-router";
   import Home from "../lib/Home.svelte";
   import NoWallet from "../lib/NoWallet.svelte";
   import { push } from "svelte-spa-router";
   import { onMount, onDestroy } from "svelte";
-  import { active_wallet, has_wallets, derived } from "../store";
+  import {
+    active_wallet,
+    has_wallets,
+    derived,
+    cannot_load_offline,
+  } from "../store";
 
   let display_login_create = !$has_wallets || !$active_wallet;
   let unsubscribe;
   onMount(() => {
+    cannot_load_offline.set(false);
+    //setTimeout(function () {}, 2);
     const combined = derived([active_wallet, has_wallets], ([$s1, $s2]) => [
       $s1,
       $s2,

ng-app/src/routes/Install.svelte

@@ -18,15 +18,13 @@
   import CenteredLayout from "../lib/CenteredLayout.svelte";
   import { has_wallets } from "../store";
 
-  let display_has_wallets_warning: boolean = $has_wallets != 0;
+  let display_has_wallets_warning = $has_wallets != 0;
   let unsubscribe;
   onMount(() => {});
 
-  onDestroy(() => {
+  onDestroy(() => {});
-    unsubscribe();
-  });
 </script>
 
-<CenteredLayout>
+<CenteredLayout displayFooter={true}>
   <Install {display_has_wallets_warning} />
 </CenteredLayout>

ng-app/src/routes/NURI.svelte

@@ -19,6 +19,6 @@
   <div
     class="h-screen aspect-[3/5] pazzleline max-w-[720px] bg-yellow-300 inner"
   >
-    <p>nextgraph URI {params[1]}</p>
+    <p>Nextgraph URI {params[1]}</p>
   </div>
 </div>

ng-app/src/routes/NotFound.svelte

@@ -14,7 +14,7 @@
   import CenteredLayout from "../lib/CenteredLayout.svelte";
 </script>
 
-<CenteredLayout>
+<CenteredLayout displayFooter={true}>
   <div class="p-8">
     <Alert color="red">
       <span class="font-medium">404</span> Page not found.

ng-app/src/routes/User.svelte

@@ -8,6 +8,13 @@
 // notice may not be copied, modified, or distributed except
 // according to those terms.
 -->
+
+<!--
+  @component  
+  "User Panel" page.
+  Provides wallet download, logout, offline/online switch, and other user actions.
+-->
+
 <script>
   // @ts-nocheck
 
@@ -153,7 +160,7 @@
             >
               <ArrowLeft
                 tabindex="-1"
-                class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                class="w-7 h-7 text-black transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
               />
               <span class="ml-3">Back</span>
             </li>
@@ -164,7 +171,7 @@
               {#if $online}
                 <Signal
                   tabindex="-1"
-                  class="w-7 h-7 text-green-600 transition duration-75 dark:text-green-400 "
+                  class="w-7 h-7 text-green-600 transition duration-75 focus:outline-none dark:text-green-400 "
                 />
                 <span class="ml-3 text-green-600 dark:text-green-400"
                   >Online</span
@@ -172,7 +179,7 @@
               {:else}
                 <SignalSlash
                   tabindex="-1"
-                  class="w-7 h-7 text-red-600 transition duration-75 dark:text-red-400 "
+                  class="w-7 h-7 text-red-600 transition duration-75 focus:outline-none dark:text-red-400 "
                 />
                 <span class="ml-3 text-red-600 dark:text-red-400">Offline</span>
               {/if}
@@ -187,7 +194,7 @@
             >
               <ArrowRightOnRectangle
                 tabindex="-1"
-                class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                class="w-7 h-7 text-black transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
               />
               <span class="ml-3">Logout</span>
             </li>
@@ -213,7 +220,7 @@
               >
                 <DocumentArrowDown
                   tabindex="-1"
-                  class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                  class="w-7 h-7 text-black transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
                 />
                 <span class="ml-3">Download wallet file</span>
               </li>
@@ -224,7 +231,7 @@
               >
                 <NoSymbol
                   tabindex="-1"
-                  class="w-7 h-7 text-red-700 transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                  class="w-7 h-7 text-red-700 transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
                 />
                 <span class="ml-3 text-left"
                   >Download failed:<br /> {download_error}</span
@@ -237,7 +244,7 @@
               >
                 <DocumentArrowDown
                   tabindex="-1"
-                  class="w-7 h-7 text-blue-700  transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                  class="w-7 h-7 text-blue-700  transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
                 />
                 <span class="ml-3 text-left">Download in progress...</span>
               </li>
@@ -267,7 +274,7 @@
                   >
                     <DocumentArrowDown
                       tabindex="-1"
-                      class="w-14 h-14  transition duration-75 dark:text-white  dark:group-hover:text-white"
+                      class="w-14 h-14  transition duration-75 focus:outline-none dark:text-white  dark:group-hover:text-white"
                     />
                     Click here to download the wallet file
                   </button>
@@ -278,7 +285,7 @@
               <svelte:fragment slot="icon">
                 <Cog6Tooth
                   tabindex="-1"
-                  class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                  class="w-7 h-7 text-black transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
                 />
               </svelte:fragment>
             </SidebarItem>
@@ -286,7 +293,7 @@
               <svelte:fragment slot="icon">
                 <PuzzlePiece
                   tabindex="-1"
-                  class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                  class="w-7 h-7 text-black transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
                 />
               </svelte:fragment>
             </SidebarItem>
@@ -294,7 +301,7 @@
               <svelte:fragment slot="icon">
                 <Key
                   tabindex="-1"
-                  class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                  class="w-7 h-7 text-black transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
                 />
               </svelte:fragment>
             </SidebarItem>
@@ -302,7 +309,7 @@
               <svelte:fragment slot="icon">
                 <User
                   tabindex="-1"
-                  class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                  class="w-7 h-7 text-black transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
                 />
               </svelte:fragment>
             </SidebarItem>
@@ -363,7 +370,7 @@
             >
               <Gift
                 tabindex="-1"
-                class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                class="w-7 h-7 text-black transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
               />
               <span class="ml-3">Donate to NextGraph</span>
             </li>
@@ -377,7 +384,7 @@
             >
               <InformationCircle
                 tabindex="-1"
-                class="w-7 h-7 text-black transition duration-75 dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
+                class="w-7 h-7 text-black transition duration-75 focus:outline-none dark:text-white group-hover:text-gray-900 dark:group-hover:text-white"
               />
               <span class="ml-3">About NextGraph</span>
             </li>

ng-app/src/routes/UserRegistered.svelte

@@ -45,7 +45,7 @@
   });
 </script>
 
-<CenteredLayout>
+<CenteredLayout displayFooter={true}>
   <div class="container3">
     <div class="row">
       <a href="#/">

ng-app/src/routes/WalletLogin.svelte

@@ -9,6 +9,12 @@
 // according to those terms.
 -->
 
+<!--
+  "Select a wallet to login with" page.
+  This page is usually the first page the user sees when they visit the app.
+  It allows the user to select a wallet to login with, create, or import a wallet.
+-->
+
 <script lang="ts">
   import { onMount, onDestroy, tick } from "svelte";
   import { link, push } from "svelte-spa-router";
@@ -186,7 +192,7 @@
 </script>
 
 <div bind:this={top}>
-  <CenteredLayout>
+  <CenteredLayout displayFooter={!wallet}>
     {#if error}
       <div class=" max-w-6xl lg:px-8 mx-auto px-4 text-red-800">
         <svg
@@ -232,7 +238,7 @@
         <Logo class="logo block h-40" alt="NextGraph Logo" />
       </div>
       <h2 class="pb-5 text-xl">Select a wallet to login with</h2>
-      <div class="flex flex-wrap justify-center gap-5 mb-20">
+      <div class="flex flex-wrap justify-center gap-5 mb-10">
         {#each Object.entries($wallets) as wallet_entry}
           <div
             class="wallet-box"

ng-app/src/store.ts

@@ -9,9 +9,129 @@
 
 import { writable, readable, readonly, derived, get, type Writable } from "svelte/store";
 import ng from "./api";
+import { official_classes } from "./classes";
+import { official_apps, official_services } from "./zeras";
 
 let all_branches = {};
 
+export const available_languages = {
+    "en": "English",
+    "de": "Deutsch",
+    "fr": "Français",
+    "ru": "Русский",
+    "es": "Español",
+    "it": "Italiano",
+    "zh": "中文",
+    "pt": "Português",
+};
+
+export const current_lang = writable("en");
+
+export const select_default_lang = async() => {
+    let locales = await ng.locales();
+    for (let lo of locales) {
+        if (available_languages[lo]) {
+            // exact match (if locales is a 2 chars lang code, or if we support regionalized translations)
+            current_lang.set(lo);
+            return;
+        }
+        lo = lo.substr(0,2);
+        if (available_languages[lo]) {
+            current_lang.set(lo);
+            return;
+        }
+    }
+};
+
+let loaded_external_apps = {};
+
+export const load_app = async (appName: string) => {
+
+    if (appName.startsWith("n:g:z")) {
+        let app = official_apps[appName];
+        if (!app) throw new Error("Unknown official app");
+        return await import(`./apps/${app["ng:b"]}.svelte`);
+    } else {
+        //TODO: load external app from its repo
+        // TODO: return IFrame component
+    }
+
+};
+
+export const invoke_service = async (serviceName: string, nuri:string, args: object) => {
+
+    if (serviceName.startsWith("n:g:z")) {
+        let service = official_services[serviceName];
+        if (!service) throw new Error("Unknown official service");
+        // TODO: do this in WebWorker
+        // TODO: if on native app or CLI: use deno
+        //return await ng.app_invoke(serviceName[6..], nuri, args);
+    } else {
+        // TODO: if on webapp: only allow those invocations from IFrame of external app or from n:g:z:external_service_invoke (which runs in an IFrame) and run it from webworker
+        // TODO: if on native app or CLI: use deno
+        // TODO: load external service from its repo
+    }
+
+};
+
+
+export const cur_tab = writable({
+    cur_store: {
+        has_outer : {
+            nuri_trail: ":v:l"
+        },
+        type: "public", // "protected", "private", "group", "dialog",
+        favicon: "",
+        title: "Group B",
+    },
+    cur_branch: {
+        b: "b:xxx", //branch id (can be null if not of type "branch")
+        c: "c:xxx", //commit(s) id
+        type: "main", // "stream", "detached", "branch", "in_memory" (does not save)
+        display: "c:X", // or main or stream or a:xx or branch:X (only 7 chars)
+        attachments: 1,
+        class: "data/graph",
+        title: false,
+        icon: false,
+        description: "",
+        app: "n:g:z:json_ld_editor", // current app being used
+    },
+    view_or_edit: false,
+    graph_viewer: "n:g:z:json_ld_editor", // selected viewer
+    graph_editor: "n:g:z:json_ld_editor", // selected editor
+    discrete_viewer: "n:g:z:json_ld_editor", // selected viewer
+    discrete_editor: "n:g:z:json_ld_editor", // selected editor
+    graph_viewers: ["n:g:z:json_ld_editor"], // list of available viewers
+    graph_editors: ["n:g:z:json_ld_editor"], // list of available editors
+    discrete_viewers: [], // list of available viewers
+    discrete_editors: [], // list of available editors
+    find: false,//or string to find
+    graph_or_discrete: true,
+    read_cap: 'r:',
+    doc: {
+        is_store: false,
+        is_member: false,
+        can_edit: false,
+        live_edit: true,
+        title: "Doc A",
+        authors: "",
+        icon: "",
+        description: "",
+        stream : {
+            notif: 1,
+            last: "",
+        },
+        live_editors: {
+
+        },
+    },
+    folders_pane: false,
+    toc_pane: false,
+    right_pane: false, // "folders", "toc", "branches", "files", "history", "comments", "info", "chat"
+    action: false, // "view_as", "edit_with", "share", "react", "repost", "copy", "dm_author", "new_block", "notifs", "schema", "signature", "permissions", "query",
+
+});
+
 export const opened_wallets = writable({});
 
 /// { wallet:, id: }
@@ -52,14 +172,14 @@ const updateConnectionStatus = ($connections: Record<string, any> ) => {
         console.log("will try reconnect in 20 sec");
         next_reconnect = setTimeout(async () => {
             await reconnect();
-            connection_status.set("connecting");
+            
             next_reconnect = null;
         }, 20000);
     }
 
     if (is_connected) {
         connection_status.set("connected");
-    } else if (!is_connected && is_connecting) {
+    } else if (is_connecting) {
         connection_status.set("connecting");
     } else {
         connection_status.set("disconnected");
@@ -73,16 +193,20 @@ export const online = derived(connection_status,($connectionStatus) => $connecti
 
 export const cannot_load_offline = writable(false);
 
-if (!get(online) && !import.meta.env.TAURI_PLATFORM) {
+if (get(connection_status) == "disconnected" && !import.meta.env.TAURI_PLATFORM) {
     cannot_load_offline.set(true);
 
-    let unsubscribe = online.subscribe(async (value) => {
+    let unsubscribe = connection_status.subscribe(async (value) => {
-      if (value) {
+        if (value != "disconnected") {
-        cannot_load_offline.set(false);
+            cannot_load_offline.set(false);
-        unsubscribe();
+            if (value == "connected") {
-      }
+                unsubscribe();
+            }
+        } else {
+            cannot_load_offline.set(true);
+        }
     });
-  }
+}
 
 export const has_wallets = derived(wallets,($wallets) => Object.keys($wallets).length);
 
@@ -142,6 +266,7 @@ export const reconnect = async function() {
         return;
     }
     console.log("attempting to connect...");
+    if (!get(online)) connection_status.set("connecting");
     try {
         let info = await ng.client_info()
         //console.log("Connecting with",get(active_session).user);

ng-app/src/styles.css

@@ -16,6 +16,34 @@
   padding-bottom: 1em;
 }
 
+@keyframes pulse-logo-color {
+  0%,
+  100% {
+    fill: rgb(73, 114, 165);
+    stroke: rgb(73, 114, 165);
+  }
+  50% {
+    /* Mid-transition color */
+    stroke: #bbb;
+    fill: #bbb;
+  }
+}
+
+.logo-pulse path {
+  animation: pulse-logo-color 2s infinite;
+  animation-timing-function: cubic-bezier(0.65, 0.01, 0.59, 0.83);
+}
+
+.logo-gray path {
+  fill: #bbb;
+  stroke: #bbb;
+}
+
+.logo-blue path {
+  fill: rgb(73, 114, 165);
+  stroke: rgb(73, 114, 165);
+}
+
 .container3 {
   margin: 0;
   min-width: 280px;

ng-app/src/worker.js

@@ -7,11 +7,20 @@ onmessage = (e) => {
   //console.log("Message received by worker", e.data);
   (async function() {
     try {
-      let secret_wallet = await ng.wallet_open_with_pazzle(
+      let secret_wallet;
+      if (e.data.pazzle) {
+         secret_wallet = await ng.wallet_open_with_pazzle(
+            e.data.wallet,
+            e.data.pazzle,
+            e.data.pin_code
+        );
+      } else if (e.data.mnemonic_words) {
+         secret_wallet = await ng.wallet_open_with_mnemonic_words(
           e.data.wallet,
-          e.data.pazzle,
+          e.data.mnemonic_words,
           e.data.pin_code
-      );
+        );
+      }
       postMessage({success:secret_wallet});
     } catch (e) {
       postMessage({error:e});

ng-app/src/zeras.ts

@@ -0,0 +1,629 @@
+
+// Copyright (c) 2022-2024 Niko Bonnieure, Par le Peuple, NextGraph.org developers
+// All rights reserved.
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE2 or http://www.apache.org/licenses/LICENSE-2.0>
+// or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
+// at your option. All files in the project carrying such
+// notice may not be copied, modified, or distributed except
+// according to those terms.
+
+// "n:g:z:hide" >> hides when in viewer mode
+//"n:g:z:json_ld_editor", "n:g:z:json_editor", "n:g:z:triple_editor", "n:g:z:rdf_viewer:turtle", "n:g:z:rdf_viewer:n3", "n:g:z:rdf_viewer:json_ld", "n:g:z:rdf_viewer:graph",
+//"n:g:z:sparql_query:yasgui", "n:g:z:sparql_query:sparnatural", "n:g:z:graphql_query", "n:g:z:sparql_update:yasgui", "n:g:z:ontology_editor", "n:g:z:owl_viewer", "n:g:z:sparql:invoke", "n:g:z:graphql:invoke", "n:g:z:dump_download",
+// "n:g:z:post_rich_editor", "n:g:z:post_md_editor", "n:g:z:code_editor", "n:g:z:file_viewer", "n:g:z:file_source", "n:g:z:crdt_source_viewer:xml", "n:g:z:crdt_source_viewer:json", "n:g:z:crdt_source_viewer:text", "n:g:z:crdt_source_viewer:rdf"
+//"n:g:z:post:rich", "n:g:z:post:md", "n:g:z:text", "n:g:z:pre", "n:g:z:pad", "n:g:z:card", "n:g:z:gallery", "n:g:z:columns", "n:g:z:tree", "n:g:z:summary", "n:g:z:list", "n:g:z:grid", "n:g:z:list_n_post", "n:g:z:grid_n_post", "n:g:z:board", 
+//"n:g:z:map", "n:g:z:chart", "n:g:z:pivot", "n:g:z:timeline", "n:g:z:email", "n:g:z:web_archive", "n:g:z:diagram_editor", "n:g:z:pdf", "n:g:z:latex", "n:g:z:media", "n:g:z:media_editor", 
+//"n:g:z:service_editor", "n:g:z:service_invoke", "n:g:z:external_service_invoke", "n:g:z:contract", "n:g:z:text_query", "n:g:z:web_query", "n:g:z:scan_qrcode", "n:g:z:upload_file",
+//"n:g:z:messenger", "n:g:z:group", "n:g:z:contact", "n:g:z:event", "n:g:z:calendar", "n:g:z:scheduler",
+//"n:g:z:task", "n:g:z:project", "n:g:z:issue", "n:g:z:form_editor", "n:g:z:form_filler", "n:g:z:cad", "n:g:z:slides", "n:g:z:question", "n:g:z:poll",
+//"n:g:z:app_store", "n:g:z:app_editor", "n:xxx.xx.xx:yy", "o:xx:yy:zz"
+
+export const official_apps = {
+    "n:g:z:json_ld_editor": {
+        "ng:n": "JSON-LD editor",
+        "ng:a": "View and edit the RDF Graph as JSON-LD",
+        "ng:c": "app", 
+        "ng:u": "json_ld_editor",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:json_ld_editor",
+        "ng:b": "JsonLdEditor",
+        "ng:o": ["data/graph"],
+        "ng:w": ["data/graph"],
+    },
+    "n:g:z:json_editor": {
+        "ng:n": "JSON editor",
+        "ng:a": "View and edit your JSON data",
+        "ng:c": "app", 
+        "ng:u": "json_editor",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:json_editor",
+        "ng:b": "JsonEditor",
+        "ng:o": ["data/json","data/array","data/map"],
+        "ng:w": ["data/json","data/array","data/map"],
+    },
+    "n:g:z:triple_editor": {
+        "ng:n": "Graph triples",
+        "ng:a": "Edit your RDF Graph as triples",
+        "ng:c": "app", 
+        "ng:u": "triple_editor",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:triple_editor",
+        "ng:b": "TripleEditor",
+        "ng:o": ["data/graph"],
+        "ng:w": ["data/graph"],
+    },
+    "n:g:z:rdf_viewer:turtle": { // https://github.com/highlightjs/highlightjs-turtle/tree/master
+        "ng:n": "Turtle",
+        "ng:a": "View your RDF Graph in Turtle format",
+        "ng:c": "app", 
+        "ng:u": "rdf_viewer",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:rdf_viewer:turtle",
+        "ng:b": "TurtleViewer",
+        "ng:o": ["data/graph"],
+        "ng:w": [],
+    },
+    "n:g:z:rdf_viewer:n3": { // ?
+        "ng:n": "N3",
+        "ng:a": "View your RDF Graph in N3 format",
+        "ng:c": "app", 
+        "ng:u": "rdf_viewer",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:rdf_viewer:n3",
+        "ng:b": "N3Viewer",
+        "ng:o": ["data/graph"],
+        "ng:w": [],
+    },
+    "n:g:z:rdf_viewer:json_ld": { // highlight.js JSON
+        "ng:n": "JSON-LD",
+        "ng:a": "View your RDF Graph in N3 format",
+        "ng:c": "app", 
+        "ng:u": "rdf_viewer",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:rdf_viewer:json_ld",
+        "ng:b": "JsonLdViewer",
+        "ng:o": ["data/graph"],
+        "ng:w": [],
+    },
+    "n:g:z:rdf_viewer:graph": {
+        "ng:n": "Graph Explorer",
+        "ng:a": "View your RDF Graph as interactive visualization",
+        "ng:c": "app", 
+        "ng:u": "graph_viewer",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:rdf_viewer:graph",
+        "ng:b": "GraphViewer", // GraphExplorer https://github.com/zazuko/graph-explorer !! AGPL
+        "ng:o": ["data/graph"],
+        "ng:w": [],
+    },
+    "n:g:z:sparql_query:yasgui": {
+        "ng:n": "SPARQL Query",
+        "ng:a": "View, edit and invoke your Graph SPARQL query",
+        "ng:c": "app", 
+        "ng:u": "sparql_query",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:sparql_query:yasgui",
+        "ng:b": "SparqlQueryEditor", // YASGUI of Zazuko https://github.com/zazuko/trifid/tree/main/packages/yasgui
+        "ng:o": [],
+        "ng:w": ["query/sparql"],
+    },
+    "n:g:z:sparql_query:sparnatural": {
+        "ng:n": "SPARQL natural Query",
+        "ng:a": "View, edit and invoke your Graph SPARQL query with SPARnatural tool",
+        "ng:c": "app", 
+        "ng:u": "sparnatural",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:sparql_query:sparnatural",
+        "ng:b": "SparNaturalEditor",
+        "ng:o": [],
+        "ng:w": ["query/sparql"],
+    },
+    "n:g:z:graphql_query": {
+        "ng:n": "GraphQL Query",
+        "ng:a": "View, edit and invoke your GraphQL query",
+        "ng:c": "app", 
+        "ng:u": "graphql",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:graphql_query",
+        "ng:b": "GraphqlEditor",
+        "ng:o": [],
+        "ng:w": ["query/graphql"],
+    },
+    "n:g:z:sparql_update:yasgui": {
+        "ng:n": "SPARQL Update",
+        "ng:a": "View, edit and invoke your Graph SPARQL Update",
+        "ng:c": "app",
+        "ng:u": "sparql_query",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:sparql_update:yasgui",
+        "ng:b": "SparqlUpdateEditor", // YASGUI of Zazuko https://github.com/zazuko/trifid/tree/main/packages/yasgui
+        "ng:o": [],
+        "ng:w": ["query/sparql_update"],
+    },
+    "n:g:z:ontology_editor": {
+        "ng:n": "Ontology editor",
+        "ng:a": "Edit your Ontology",
+        "ng:c": "app",
+        "ng:u": "json_ld_editor",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:ontology_editor",
+        "ng:b": "JsonLdEditor",
+        "ng:o": [],
+        "ng:w": ["schema/*"],
+    },
+    "n:g:z:owl_viewer": {
+        "ng:n": "OWL Ontology",
+        "ng:a": "View your OWL Ontology",
+        "ng:c": "app",
+        "ng:u": "ontology_viewer",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:owl_viewer",
+        "ng:b": "OwlViewer", // display with https://github.com/VisualDataWeb/WebVOWL
+        "ng:o": ["schema/owl"],
+        "ng:w": [],
+    },
+    "n:g:z:sparql:invoke": { // displayed with highlight.js https://github.com/highlightjs/highlightjs-turtle/tree/master
+        "ng:n": "SPARQL Invoke",
+        "ng:a": "View and invoke your saved SPARQL query",
+        "ng:c": "app", 
+        "ng:u": "invoke",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:sparql:invoke",
+        "ng:b": "SparqlInvoker",
+        "ng:o": ["query/sparql","query/sparql_update"],
+        "ng:w": [],
+    },
+    "n:g:z:graphql:invoke": { 
+        "ng:n": "GraphQL Invoke",
+        "ng:a": "View and invoke your saved GraphQL query",
+        "ng:c": "app", 
+        "ng:u": "invoke",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:graphql:invoke",
+        "ng:b": "GraphqlInvoker",
+        "ng:o": ["query/graphql"],
+        "ng:w": [],
+    },
+    "n:g:z:dump_download": {
+        "ng:n": "Download",
+        "ng:a": "Download a file containing a document export data",
+        "ng:c": "app", 
+        "ng:u": "download",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:dump_download",
+        "ng:b": "Downloader",
+        "ng:o": ["data/graph","file*","data/*"],
+        "ng:w": [],
+    },
+    "n:g:z:post_rich_editor": {
+        "ng:n": "Post Editor",
+        "ng:a": "Edit your post with ProseMirror",
+        "ng:c": "app", 
+        "ng:u": "post_edit",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:post_rich_editor",
+        "ng:b": "ProseMirrorEditor",
+        "ng:o": [],
+        "ng:w": ["post/rich"],
+    },
+    "n:g:z:post_md_editor": {
+        "ng:n": "Post Editor",
+        "ng:a": "Edit your post with MilkDown",
+        "ng:c": "app", 
+        "ng:u": "post_edit",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:post_md_editor",
+        "ng:b": "MilkDownEditor",
+        "ng:o": [],
+        "ng:w": ["post/md"],
+    },
+    "n:g:z:code_editor": {
+        "ng:n": "Code and Text Editor",
+        "ng:a": "Edit your code/text with CodeMirror",
+        "ng:c": "app", 
+        "ng:u": "post_edit",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:code_editor",
+        "ng:b": "CodeMirrorEditor",
+        "ng:o": [],
+        "ng:w": ["code*","post/text"],
+    },
+    "n:g:z:file_viewer": {
+        "ng:n": "File details",
+        "ng:a": "See details about this file",
+        "ng:c": "app", 
+        "ng:u": "file",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:file_viewer",
+        "ng:b": "FileDetails",
+        "ng:o": ["file*"],
+        "ng:w": ["file*"], // in editor mode: can change the name, and delete the file
+    },
+    "n:g:z:file_source": { // only works for files containing text source (SVG, HTML, JS, CSS, etc...)
+        "ng:n": "File source",
+        "ng:a": "See the source code of this file",
+        "ng:c": "app", 
+        "ng:u": "source",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:file_source",
+        "ng:b": "FileSource",
+        "ng:o": ["file/text"],
+        "ng:w": [],
+    },
+    "n:g:z:crdt_source_viewer:xml": { 
+        "ng:n": "XML source",
+        "ng:a": "See the source code of this document, in XML",
+        "ng:c": "app", 
+        "ng:u": "source",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:crdt_source_viewer:xml",
+        "ng:b": "XmlSource", // displayed with highlight.js , with option to download
+        "ng:o": ["post/rich","post/md","post/html","page","data/xml", "doc/diagram/drawio"],
+        "ng:w": [],
+    },
+    "n:g:z:crdt_source_viewer:json": { 
+        "ng:n": "JSON source",
+        "ng:a": "See the source code of this document, in JSON",
+        "ng:c": "app", 
+        "ng:u": "source",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:crdt_source_viewer:json",
+        "ng:b": "JsonSource", // displayed with highlight.js , with option to download
+        "ng:o": ["data/json", "data/map", "data/array", "data/table", "doc/diagram/jsmind", "doc/diagram/gantt", "doc/diagram/excalidraw", "doc/viz/*", "doc/chart/*", "prod/cad"],
+        "ng:w": [],
+    },
+    "n:g:z:crdt_source_viewer:text": {
+        "ng:n": "Text source",
+        "ng:a": "See the source code of this document, in plain-text",
+        "ng:c": "app", 
+        "ng:u": "source",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:crdt_source_viewer:text",
+        "ng:b": "TextViewer", // displayed with highlight.js , with option to download
+        "ng:o": ["post/text", "post/asciidoc", "code*", "service*", "contract", "query/sparql*","query/graphql","doc/diagram/mermaid","doc/diagram/graphviz","doc/diagram/flowchart",
+                "doc/diagram/sequence","doc/diagram/markmap","doc/diagram/mymind","doc/music*", "doc/maths", "doc/chemistry", "doc/ancientscript", "doc/braille", "media/subtitle"],
+        "ng:w": [],
+    },
+    "n:g:z:crdt_source_viewer:rdf": {
+        "ng:n": "RDF source",
+        "ng:a": "See the source graph of this document, in RDF (turtle)",
+        "ng:c": "app", 
+        "ng:u": "source",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:crdt_source_viewer:rdf",
+        "ng:b": "TurtleViewer", //, with option to download
+        "ng:o": ["data/graph"],
+        "ng:w": [],
+    },
+    "n:g:z:post:rich": {
+        "ng:n": "Post",
+        "ng:a": "View a Rich Post",
+        "ng:c": "app", 
+        "ng:u": "post",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:post:rich",
+        "ng:b": "PostRichViewer", // https://www.npmjs.com/package/prosemirror-to-html-js or https://prosemirror.net/docs/ref/version/0.4.0.html#toDOM https://prosemirror.net/docs/ref/version/0.4.0.html#toHTML
+        "ng:o": ["post/rich"],
+        "ng:w": [],
+    },
+    "n:g:z:post:md": {
+        "ng:n": "Post",
+        "ng:a": "View a Markdown Post",
+        "ng:c": "app", 
+        "ng:u": "post",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:post:md",
+        "ng:b": "PostMdViewer", // https://github.com/wooorm/markdown-rs
+        "ng:o": ["post/md"],
+        "ng:w": [],
+    },
+    "n:g:z:post:text": {
+        "ng:n": "Text",
+        "ng:a": "View a Text Post",
+        "ng:c": "app", 
+        "ng:u": "post",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:post:text", 
+        "ng:b": "TextViewer", // displayed with a <p>
+        "ng:o": ["post/text"],
+        "ng:w": [],
+    },
+    "n:g:z:pre": {
+        "ng:n": "Source Code",
+        "ng:a": "View a Source Code",
+        "ng:c": "app", 
+        "ng:u": "post",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:pre", 
+        "ng:b": "PreTextViewer", // displayed with highlight.js 
+        "ng:o": ["code*","post/text"],
+        "ng:w": [],
+    },
+    "n:g:z:pad": {
+        "ng:n": "Pad",
+        "ng:a": "Pad view of a document",
+        "ng:c": "app", 
+        "ng:u": "pad",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:pad", 
+        "ng:b": "Pad",
+        "ng:o": ["plato/pad"],
+        "ng:w": [],
+    },
+    "n:g:z:card": {
+        "ng:n": "Card",
+        "ng:a": "Card view of a document",
+        "ng:c": "app", 
+        "ng:u": "card",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:card", 
+        "ng:b": "Card",
+        "ng:o": ["plato/card"],
+        "ng:w": [],
+    },
+    "n:g:z:gallery": {
+        "ng:n": "Gallery",
+        "ng:a": "Gallery view of an album or collection",
+        "ng:c": "app", 
+        "ng:u": "gallery",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:gallery", 
+        "ng:b": "Gallery",
+        "ng:o": ["media/album","data/collection"],
+        "ng:w": [],
+    },
+    "n:g:z:app_store": {
+        "ng:n": "App Store",
+        "ng:a": "Install or remove Apps of NextGraph ecosystem",
+        "ng:c": "app", 
+        "ng:u": "app_store",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:app_store", 
+        "ng:b": "AppStore",
+        "ng:o": ["app/z"],
+        "ng:w": [],
+    },
+    "n:g:z:app_editor": {
+        "ng:n": "App editor",
+        "ng:a": "Create and modify your App with NextGraph IDE",
+        "ng:c": "app", 
+        "ng:u": "app_editor",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:app_editor", 
+        "ng:b": "AppEditor",
+        "ng:o": ["app/z"],
+        "ng:w": ["app/z"],
+    },
+    "n:g:z:list": {
+        "ng:n": "List view",
+        "ng:a": "See the content of document as a list",
+        "ng:c": "app", 
+        "ng:u": "list",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:list", 
+        "ng:b": "ListView",
+        "ng:o": ["data/graph"],
+        "ng:w": ["data/graph"],
+    },
+    "n:g:z:grid": {
+        "ng:n": "Grid view",
+        "ng:a": "See the content of document as a grid",
+        "ng:c": "app", 
+        "ng:u": "grid",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:grid", 
+        "ng:b": "GridView",
+        "ng:o": ["data/graph"],
+        "ng:w": ["data/graph"],
+    },
+    "n:g:z:media": {
+        "ng:n": "Media view",
+        "ng:a": "View media",
+        "ng:c": "app", 
+        "ng:u": "view",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:media", 
+        "ng:b": "MediaView",
+        "ng:o": ["media/*"],
+        "ng:w": [],
+    },
+    "n:g:z:service_editor": {
+        "ng:n": "Service Editor",
+        "ng:a": "Write and define your Service in Rust or JS/Deno",
+        "ng:c": "app", 
+        "ng:u": "post_edit",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:service_editor",
+        "ng:b": "CodeMirrorEditor",
+        "ng:o": [],
+        "ng:w": ["service/*"],
+    },
+    "n:g:z:service_invoke": {
+        "ng:n": "Service Invoker",
+        "ng:a": "Invoke internal Service, with optional arguments",
+        "ng:c": "app", 
+        "ng:u": "invoke",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:service_invoke",
+        "ng:b": "ServiceInvoker",
+        "ng:o": ["service"],
+        "ng:w": [],
+    },
+    "n:g:z:external_service_invoke": {
+        "ng:n": "Service Invoker",
+        "ng:a": "Invoke the Service, with optional arguments",
+        "ng:c": "app", 
+        "ng:u": "invoke",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:external_service_invoke",
+        "ng:b": "ExternalServiceInvoker",
+        "ng:o": ["service/*"],
+        "ng:w": [],
+    },
+    "n:g:z:upload_file": {
+        "ng:n": "Upload file",
+        "ng:a": "Upload a binary file into a document",
+        "ng:c": "app", 
+        "ng:u": "load",//favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:upload_file",
+        "ng:b": "UploadFile",
+        "ng:o": [],
+        "ng:w": ["data/graph"],
+    },
+    // TODO: "n:g:z:columns", "n:g:z:tree", "n:g:z:summary", "n:g:z:list_n_post", "n:g:z:grid_n_post", "n:g:z:board", 
+    // TODO: "n:g:z:map", "n:g:z:chart", "n:g:z:pivot", "n:g:z:timeline", "n:g:z:email", "n:g:z:web_archive", "n:g:z:diagram_editor", "n:g:z:pdf", "n:g:z:latex", "n:g:z:media_editor", 
+    // TODO: "n:g:z:contract", "n:g:z:text_query", "n:g:z:web_query", "n:g:z:scan_qrcode", 
+    // TODO: "n:g:z:messenger", "n:g:z:group", "n:g:z:contact", "n:g:z:event", "n:g:z:calendar", "n:g:z:scheduler",
+    // TODO: "n:g:z:task", "n:g:z:project", "n:g:z:issue", "n:g:z:form_editor", "n:g:z:form_filler", "n:g:z:cad", "n:g:z:slides", "n:g:z:question", "n:g:z:poll",
+
+};
+
+
+// OFFICIAL SERVICES
+//"n:g:z:dump_rdf:turtle", "n:g:z:dump_rdf:n3", "n:g:z:dump_rdf:json_ld", "n:g:z:load_rdf:turtle", "n:g:z:load_rdf:n3", "n:g:z:load_rdf:json_ld", "n:g:z:load_file", "n:g:z:dump_file", 
+//"n:g:z:dump_json", "n:g:z:dump_xml", "n:g:z:dump_text", "n:g:z:load_json", "n:g:z:load_xml", "n:g:z:load_text", "n:g:z:load_md", "n:g:z:sparql_query", "n:g:z:sparql_update", "n:g:z:dump_crdt_source", "n:g:z:dump_ng_html_file", "n:g:z:dump_ng_file"
+
+export const official_services = {
+    "n:g:z:dump_rdf:turtle": {
+        "ng:n": "Turtle export",
+        "ng:a": "Export quads of RDF Graphs in Turtle format",
+        "ng:c": "service",
+        "ng:u": "data",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:dump_rdf:turtle",
+        "ng:o": ["data/graph"],
+        "ng:w": [],
+        "ng:result": ["file/iana/text/turtle"],
+    },
+    "n:g:z:dump_rdf:n3": {
+        "ng:n": "N3 export",
+        "ng:a": "Export quads of RDF Graphs in N3 format",
+        "ng:c": "service",
+        "ng:u": "data",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:dump_rdf:n3",
+        "ng:o": ["data/graph"],
+        "ng:w": [],
+        "ng:result": ["file/iana/text/n3"],
+    },
+    "n:g:z:dump_rdf:json_ld": {
+        "ng:n": "JSON-LD export",
+        "ng:a": "Export quads of RDF Graphs in JSON-LD format",
+        "ng:c": "service",
+        "ng:u": "data",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:dump_rdf:json_ld",
+        "ng:o": ["data/graph"],
+        "ng:w": [],
+        "ng:result": ["file/iana/application/ld+json"],
+    },
+    "n:g:z:load_rdf:turtle": {
+        "ng:n": "Import Turtle triples",
+        "ng:a": "Import Turtle triples into the document",
+        "ng:c": "service",
+        "ng:u": "load_graph",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:load_rdf:turtle",
+        "ng:o": [],
+        "ng:w": ["data/graph"],
+    },
+    "n:g:z:load_rdf:n3": {
+        "ng:n": "Import N3 triples",
+        "ng:a": "Import N3 triples into the document",
+        "ng:c": "service",
+        "ng:u": "load_graph",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:load_rdf:n3",
+        "ng:o": [],
+        "ng:w": ["data/graph"],
+    },
+    "n:g:z:load_rdf:json_ld": {
+        "ng:n": "Import JSON-LD triples",
+        "ng:a": "Import JSON-LD triples into the document",
+        "ng:c": "service",
+        "ng:u": "load_graph",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:load_rdf:json_ld",
+        "ng:o": [],
+        "ng:w": ["data/graph"],
+    },
+    "n:g:z:load_file": {
+        "ng:n": "Add file",
+        "ng:a": "Add a binary file in the document",
+        "ng:c": "service",
+        "ng:u": "load",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:load_file",
+        "ng:o": [],
+        "ng:w": ["data/graph"],
+    },
+    "n:g:z:dump_file": {
+        "ng:n": "Export file",
+        "ng:a": "Get the binary content of a file",
+        "ng:c": "service",
+        "ng:u": "dump",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:dump_file",
+        "ng:o": ["file*"],
+        "ng:result": ["file/iana/*"],
+    },
+    "n:g:z:dump_json": {
+        "ng:n": "JSON export",
+        "ng:a": "Export JSON content of document",
+        "ng:c": "service",
+        "ng:u": "data",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:dump_json",
+        "ng:o": ["data/json", "data/map", "data/array", "data/table", "doc/diagram/jsmind", "doc/diagram/gantt", "doc/diagram/excalidraw", "doc/viz/*", "doc/chart/*", "prod/cad"],
+        "ng:w": [],
+        "ng:result": ["file/iana/application/json"],
+    },
+    "n:g:z:dump_xml": {
+        "ng:n": "XML export",
+        "ng:a": "Export XML content of document",
+        "ng:c": "service",
+        "ng:u": "data",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:dump_xml",
+        "ng:o": ["post/rich","post/md","post/html","page","data/xml", "doc/diagram/drawio"],
+        "ng:w": [],
+        "ng:result": ["file/iana/text/xml"],
+    },
+    "n:g:z:dump_text": {
+        "ng:n": "Text export",
+        "ng:a": "Export plain-text content of document",
+        "ng:c": "service",
+        "ng:u": "dump",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:dump_text",
+        "ng:o": ["post/text", "post/asciidoc", "code*", "service*", "contract", "query/sparql*","query/graphql","doc/diagram/mermaid","doc/diagram/graphviz","doc/diagram/flowchart",
+        "doc/diagram/sequence","doc/diagram/markmap","doc/diagram/mymind","doc/music*", "doc/maths", "doc/chemistry", "doc/ancientscript", "doc/braille", "media/subtitle"],
+        "ng:w": [],
+        "ng:result": ["file/iana/text/plain"],
+    },
+    "n:g:z:dump_ng_html_file": {
+        "ng:n": "NextGraph Standalone file",
+        "ng:a": "Get a standalone HTML file of this Document",
+        "ng:c": "service",
+        "ng:u": "ext",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:dump_ng_html_file",
+        "ng:o": ["data/graph"],
+        "ng:w": [],
+        "ng:result": ["file/iana/text/html"],
+    },
+    "n:g:z:load_json": {
+        "ng:n": "Import JSON",
+        "ng:a": "Import some JSON into the document",
+        "ng:c": "service",
+        "ng:u": "load",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:load_json",
+        "ng:o": [],
+        "ng:w": ["data/json","data/map", "data/array"],
+    },
+    "n:g:z:load_xml": {
+        "ng:n": "Import XML",
+        "ng:a": "Import some XML into the document",
+        "ng:c": "service",
+        "ng:u": "load",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:load_xml",
+        "ng:o": [],
+        "ng:w": ["data/xml"],
+    },
+    "n:g:z:load_text": {
+        "ng:n": "Import Text",
+        "ng:a": "Import some text into the document",
+        "ng:c": "service",
+        "ng:u": "load",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:load_text",
+        "ng:o": [],
+        "ng:w": ["post/text","post/rich","post/md"],
+    },
+    "n:g:z:load_md": {
+        "ng:n": "Import Markdown",
+        "ng:a": "Import some Markdown into the document",
+        "ng:c": "service",
+        "ng:u": "load",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:load_md",
+        "ng:o": [],
+        "ng:w": ["post/md"],
+    },
+    "n:g:z:sparql_query": {
+        "ng:n": "SPARQL query",
+        "ng:a": "Invoke a SPARQL Query",
+        "ng:c": "service",
+        "ng:u": "sparql_query",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:sparql_query",
+        "ng:o": ["data/graph"],
+        "ng:w": [],
+        "ng:result": ["file/iana/application/sparql-results+json","file/iana/application/json"]
+    },
+    "n:g:z:sparql_update": {
+        "ng:n": "SPARQL update",
+        "ng:a": "Invoke a SPARQL Update",
+        "ng:c": "service",
+        "ng:u": "sparql_query",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:sparql_update",
+        "ng:o": [],
+        "ng:w": ["data/graph"],
+    },
+    "n:g:z:dump_crdt_source": { // uses dump_rdf, dump_text, dump_json or dump_xml depending on the CRDT type
+        "ng:n": "Export source",
+        "ng:a": "Export source of document as text file",
+        "ng:c": "service",
+        "ng:u": "source",// favicon. can be a did:ng:j 
+        "ng:g": "n:g:z:dump_crdt_source",
+        "ng:o": ["data/graph"],
+        "ng:w": [],
+        "ng:result": ["file/iana/*"]
+    },
+};

ng-app/tailwind.config.cjs

@@ -16,7 +16,15 @@ const config = {
       'xxs': '400px',
       'xs': '500px',
       ...defaultTheme.screens,
+      
       'tall': { 'raw': '(min-height: 450px)' },
+      'tall-xxs': { 'raw': '(min-height: 360px)' },
+      'tall-xs': { 'raw': '(min-height: 480px)' },
+      'tall-sm': { 'raw': '(min-height: 640px)' },
+      'tall-md': { 'raw': '(min-height: 800px)' },
+      'tall-l': { 'raw': '(min-height: 1000px)' },
+      'tall-xl': { 'raw': '(min-height: 1200px)' },
+      'tall-xxl': { 'raw': '(min-height: 1400px)' },
     },
   },
 

ng-app/tsconfig.json

@@ -2,7 +2,7 @@
   "extends": "@tsconfig/svelte/tsconfig.json",
   "compilerOptions": {
     "target": "ESNext",
-    "useDefineForClassFields": true,
+    "useDefineForClassFields": false,
     "module": "ESNext",
     "resolveJsonModule": true,
     "baseUrl": ".",

ng-net/src/app_protocol.rs

@@ -560,7 +560,7 @@ pub struct DocAddFile {
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct DocCreate {
     store: StoreRepo,
-    content_type: BranchContentType,
+    class: String,
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
@@ -579,7 +579,7 @@ pub enum AppRequestPayloadV0 {
     Delete(DocDelete),
     //Invoke(InvokeArguments),
     SmallFilePut(SmallFile),
-    RandomAccessFilePut(String),                           // content_type
+    RandomAccessFilePut(String), // content_type (iana media type)
     RandomAccessFilePutChunk((u32, serde_bytes::ByteBuf)), // end the upload with an empty vec
 }
 

ng-oxigraph/src/oxigraph/sparql/update.rs

@@ -214,9 +214,7 @@ impl<'a, 'b: 'a> SimpleUpdateEvaluator<'a, 'b> {
             GraphName::NamedNode(graph_name) => graph_name.into(),
             GraphName::DefaultGraph => {
                 if let Some(default_graph) = &self.options.query_options.default_graph {
-                    crate::oxrdf::GraphNameRef::NamedNode(NamedNodeRef::new_unchecked(
+                    GraphNameRef::NamedNode(NamedNodeRef::new_unchecked(&default_graph))
-                        &default_graph,
-                    ))
                 } else {
                     return Err(EvaluationError::NoDefaultGraph);
                 }

ng-repo/src/errors.rs

@@ -37,6 +37,7 @@ pub enum NgError {
     InvalidArgument,
     PermissionDenied,
     InvalidPazzle,
+    InvalidMnemonic,
     CommitLoadError(CommitLoadError),
     ObjectParseError(ObjectParseError),
     StorageError(StorageError),

ng-repo/src/types.rs

@@ -1293,7 +1293,7 @@ pub enum Quorum {
 
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
 pub enum BranchContentType {
-    GraphOnly,
+    Graph,
     YMap,
     YXml,
     YText,
@@ -1302,8 +1302,7 @@ pub enum BranchContentType {
     //Owl,
     //Shacl,
     //Shex,
-    None, // this is used by Store, Overlay and User BranchTypes
+    None, // this is used by Overlay and User BranchTypes
-          //Chat,
 }
 
 /// Branch definition

ng-repo/src/utils.rs

@@ -230,3 +230,31 @@ pub fn display_timestamp(ts: &Timestamp) -> String {
 }
 
 pub(crate) type Receiver<T> = mpsc::UnboundedReceiver<T>;
+
+#[cfg(test)]
+mod test {
+    use crate::log::*;
+    #[test]
+    pub fn test_locales() {
+        let list = vec!["C", "c", "aa-bb-cc-dd", "aa-ff_bb.456d"];
+        let res: Vec<String> = list
+            .iter()
+            .filter_map(|lang| {
+                if *lang == "C" || *lang == "c" {
+                    None
+                } else {
+                    let mut split = lang.split('.');
+                    let code = split.next().unwrap();
+                    let code = code.replace("_", "-");
+                    let mut split = code.rsplitn(2, '-');
+                    let country = split.next().unwrap();
+                    Some(match split.next() {
+                        Some(next) => format!("{}-{}", next, country.to_uppercase()),
+                        None => country.to_string(),
+                    })
+                }
+            })
+            .collect();
+        log_debug!("{:?}", res);
+    }
+}

ng-sdk-js/Cargo.toml

@@ -29,6 +29,7 @@ once_cell = "1.17.1"
 getrandom = { version = "0.1.1", features = ["wasm-bindgen"] }
 rand =  { version = "0.7", features = ["getrandom"] }
 wasm-bindgen = { version = "0.2", features = ["serde-serialize"] }
+sys-locale = { version = "0.3.1", features = ["js"] }
 ng-repo = { path = "../ng-repo" }
 ng-net = { path = "../ng-net" }
 ng-client-ws = { path = "../ng-client-ws" }

ng-sdk-js/src/lib.rs

@@ -26,6 +26,7 @@ use serde_json::json;
 use async_std::stream::StreamExt;
 use js_sys::Array;
 use oxrdf::Triple;
+use sys_locale::get_locales;
 use wasm_bindgen::prelude::*;
 use wasm_bindgen_futures::future_to_promise;
 use wasm_bindgen_futures::JsFuture;
@@ -54,6 +55,11 @@ use nextgraph::local_broker::*;
 
 use crate::model::*;
 
+#[wasm_bindgen]
+pub async fn locales() -> Result<JsValue, JsValue> {
+    Ok(serde_wasm_bindgen::to_value(&get_locales().collect::<Vec<_>>()).unwrap())
+}
+
 #[wasm_bindgen]
 pub async fn get_local_bootstrap(location: String, invite: JsValue) -> JsValue {
     let res = retrieve_local_bootstrap(location, invite.as_string(), false).await;
@@ -134,6 +140,53 @@ pub fn wallet_open_with_pazzle(
     }
 }
 
+#[wasm_bindgen]
+pub fn wallet_open_with_mnemonic(
+    wallet: JsValue,
+    mnemonic: Vec<u16>,
+    pin: JsValue,
+) -> Result<JsValue, JsValue> {
+    let encrypted_wallet = serde_wasm_bindgen::from_value::<Wallet>(wallet)
+        .map_err(|_| "Deserialization error of wallet")?;
+    let pin = serde_wasm_bindgen::from_value::<[u8; 4]>(pin)
+        .map_err(|_| "Deserialization error of pin")?;
+    let res = nextgraph::local_broker::wallet_open_with_mnemonic(&encrypted_wallet, mnemonic, pin);
+    match res {
+        Ok(r) => Ok(r
+            .serialize(&serde_wasm_bindgen::Serializer::new().serialize_maps_as_objects(true))
+            .unwrap()),
+        Err(e) => Err(e.to_string().into()),
+    }
+}
+
+#[wasm_bindgen]
+pub fn wallet_open_with_mnemonic_words(
+    wallet: JsValue,
+    mnemonic_words: Array,
+    pin: JsValue,
+) -> Result<JsValue, JsValue> {
+    let encrypted_wallet = serde_wasm_bindgen::from_value::<Wallet>(wallet)
+        .map_err(|_| "Deserialization error of wallet")?;
+    let pin = serde_wasm_bindgen::from_value::<[u8; 4]>(pin)
+        .map_err(|_| "Deserialization error of pin")?;
+    let mnemonic_vec: Vec<String> = mnemonic_words
+        .iter()
+        .map(|word| word.as_string().unwrap())
+        .collect();
+
+    let res = nextgraph::local_broker::wallet_open_with_mnemonic_words(
+        &encrypted_wallet,
+        &mnemonic_vec,
+        pin,
+    );
+    match res {
+        Ok(r) => Ok(r
+            .serialize(&serde_wasm_bindgen::Serializer::new().serialize_maps_as_objects(true))
+            .unwrap()),
+        Err(e) => Err(e.to_string().into()),
+    }
+}
+
 #[wasm_bindgen]
 pub fn wallet_update(wallet_id: JsValue, operations: JsValue) -> Result<JsValue, JsValue> {
     let _wallet = serde_wasm_bindgen::from_value::<WalletId>(wallet_id)

ng-wallet/src/bip39.rs

@@ -1,3 +1,6 @@
+use ng_repo::errors::NgError;
+use std::collections::HashMap;
+
 #[allow(non_upper_case_globals)]
 pub const bip39_wordlist: [&str; 2048] = [
     "abandon", "ability", "able", "about", "above", "absent", "absorb", "abstract", "absurd",
@@ -212,3 +215,26 @@ pub const bip39_wordlist: [&str; 2048] = [
     "write", "wrong", "yard", "year", "yellow", "you", "young", "youth", "zebra", "zero", "zone",
     "zoo",
 ];
+
+lazy_static! {
+    pub static ref BIP39_WORD_MAP: HashMap<String, u16> = {
+        let mut m = HashMap::new();
+        for (i, word) in bip39_wordlist.iter().enumerate() {
+            m.insert(word.to_string(), i as u16);
+        }
+        m
+    };
+}
+
+/// Taking a list of bip39 words, returns a list of u16 codes
+pub fn encode_mnemonic(words: &Vec<String>) -> Result<Vec<u16>, NgError> {
+    let mut res = vec![];
+    for word in words {
+        res.push(
+            *BIP39_WORD_MAP
+                .get(word.as_str())
+                .ok_or(NgError::InvalidMnemonic)?,
+        );
+    }
+    Ok(res)
+}

ng-wallet/src/lib.rs

@@ -362,7 +362,7 @@ pub fn open_wallet_with_pazzle(
 }
 
 pub fn open_wallet_with_mnemonic(
-    wallet: Wallet,
+    wallet: &Wallet,
     mut mnemonic: [u16; 12],
     mut pin: [u8; 4],
 ) -> Result<SensitiveWallet, NgWalletError> {
@@ -388,7 +388,7 @@ pub fn open_wallet_with_mnemonic(
             mnemonic_key.zeroize();
 
             Ok(SensitiveWallet::V0(dec_encrypted_block(
-                v0.content.encrypted,
+                v0.content.encrypted.clone(),
                 master_key,
                 v0.content.peer_id,
                 v0.content.nonce,
@@ -786,6 +786,7 @@ pub async fn create_wallet_second_step_v0(
             wallet_file,
             pazzle,
             mnemonic: mnemonic.clone(),
+            mnemonic_str: display_mnemonic(&mnemonic),
             wallet_name: params.wallet_name.clone(),
             client: params.client.clone(),
             user,
@@ -893,7 +894,7 @@ mod test {
 
             let _opening_mnemonic = Instant::now();
 
-            let _w = open_wallet_with_mnemonic(Wallet::V0(v0.clone()), res.mnemonic, pin.clone())
+            let _w = open_wallet_with_mnemonic(&Wallet::V0(v0.clone()), res.mnemonic, pin.clone())
                 .expect("open with mnemonic");
             //log_debug!("encrypted part {:?}", w);
 

ng-wallet/src/types.rs

@@ -1303,6 +1303,8 @@ pub struct CreateWalletResultV0 {
     /// randomly generated mnemonic. It is an alternate way to open the wallet.
     /// A BIP39 list of 12 words. We argue that the Pazzle is easier to remember than this.
     pub mnemonic: [u16; 12],
+    /// The words of the mnemonic, in a human readable form.
+    pub mnemonic_str: Vec<String>,
     #[zeroize(skip)]
     /// a string identifying uniquely the wallet
     pub wallet_name: String,
@@ -1368,6 +1370,7 @@ pub enum NgWalletError {
     InvalidPin,
     InvalidPazzle,
     InvalidPazzleLength,
+    InvalidMnemonic,
     InvalidSecurityImage,
     InvalidSecurityText,
     SubmissionError,

ngaccount/.env

@@ -0,0 +1,5 @@
+NG_ACCOUNT_DOMAIN=
+NG_ACCOUNT_ADMIN=
+NG_ACCOUNT_LOCAL_PEER_KEY=
+NG_ACCOUNT_SERVER=127.0.0.1,1440,[the broker's peer ID]
+RUST_LOG=

ngaccount/README.md

@@ -12,16 +12,23 @@ pnpm --ignore-workspace install
 
 ## Dev
 
-```
+```bash
 cd web
 pnpm run dev --host
-// in another terminal
+
+# In another terminal...
 cd ../
-export NG_ACCOUNT_DOMAIN=[?]; export NG_ACCOUNT_ADMIN=[?]; export NG_ACCOUNT_LOCAL_PEER_KEY=[?]; export NG_ACCOUNT_SERVER=127.0.0.1,14400,[?]; export RUST_LOG=debug
+
+# Please set the required environment variables in the .env and then source it it with:
+source .env
+
 cargo watch -c -w src -x run
-// then open http://localhost:5173/
+# Then open http://localhost:5173/#/create
 ```
 
+> Currently, the ng-account server api is listening on http://127.0.0.1:3031 only which might cause you trouble (coded in `main.rs`, `Create.svelte` and `Delete.svelte`).
+> If you need to test from a (virtual) android device, you can use adb to tunnel the connection like: [`adb reverse tcp:3031 tcp:3031`](https://justinchips.medium.com/proxying-adb-client-connections-2ab495f774eb).
+
 ## Prod
 
 ```

ngaccount/src/main.rs

@@ -258,7 +258,7 @@ async fn main() -> anyhow::Result<()> {
         "Content-Security-Policy",
         HeaderValue::from_static(
             #[cfg(debug_assertions)]
-            "default-src 'self' data:; connect-src ipc: https://ipc.localhost 'self' http://192.168.192.2:3031",
+            "default-src 'self' data:; connect-src ipc: https://ipc.localhost 'self' http://localhost:3031",
             #[cfg(not(debug_assertions))]
             "default-src 'self' data:; connect-src ipc: https://ipc.localhost 'self'",
             
@@ -304,9 +304,10 @@ async fn main() -> anyhow::Result<()> {
     {
         log_debug!("CORS: any origin");
         cors = cors.allow_any_origin();
-        log::info!("Starting server on http://192.168.192.2:3031");
+        log::info!("Starting server on http://localhost:3031");
         warp::serve(api_v1.or(static_files).with(cors).with(incoming_log))
-            .run(([192, 168, 192, 2], 3031))
+            // TODO: Change this to local network ip?
+            .run(([127, 0, 0, 1], 3031))
             .await;
     }
 

ngaccount/web/src/routes/Create.svelte

@@ -27,7 +27,7 @@
   let top;
   const api_url = import.meta.env.PROD
     ? "api/v1/"
-    : "http://192.168.192.2:3031/api/v1/";
+    : "http://127.0.0.1:3031/api/v1/";
 
   async function register() {
     wait = true;
@@ -375,7 +375,7 @@
         </div>
       </div>
       {#if ca}
-        <div class="row mb-20">
+        <div class="row mb-10">
           <button
             on:click|once={accept}
             class="mr-5 text-white bg-primary-700 hover:bg-primary-700/90 focus:ring-4 focus:ring-primary-700/50 font-medium rounded-lg text-lg px-5 py-2.5 text-center inline-flex items-center dark:focus:ring-primary-700/55 mb-2"

ngaccount/web/src/routes/Delete.svelte

@@ -27,7 +27,7 @@
   let top;
   const api_url = import.meta.env.PROD
     ? "api/v1/"
-    : "http://192.168.192.2:3031/api/v1/";
+    : "http://127.0.0.1:3031/api/v1/";
 
   async function bootstrap() {}
   let error;
@@ -154,7 +154,7 @@
         </ul>
       </div>
     </div>
-    <div class="row mb-20">
+    <div class="row mb-10">
       <button
         on:click|once={accept}
         class="mr-5 text-white bg-primary-700 hover:bg-primary-700/90 focus:ring-4 focus:ring-primary-700/50 font-medium rounded-lg text-lg px-5 py-2.5 text-center inline-flex items-center dark:focus:ring-primary-700/55 mb-2"

ngone/web/src/routes/Install.svelte

@@ -21,7 +21,7 @@
   onMount(() => {});
 
   onDestroy(() => {
-    unsubscribe();
+    //unsubscribe();
   });
 </script>
 

ngone/web/src/routes/WalletCreate.svelte

@@ -51,7 +51,7 @@
     A <b>NextGraph Wallet</b> is unique to each person.<br /> It stores your
     credentials to access documents. You need one in order to start using
     NextGraph.<br />If you already have a wallet, you should not create a new
-    one, instead,
+    one. Instead,
     {#if display_note_on_local_wallets}
       <a href="/" use:link>login here with your existing wallet.</a>
     {:else}