feat: implement browser extension UI with WebAssembly integration

extension/dist/assets/popup.js

@@ -0,0 +1,2 @@
+(function(){"use strict";var o=document.createElement("style");o.textContent=`body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;margin:0;padding:0;background-color:#202124;color:#e8eaed}.container{width:350px;padding:15px}h1{font-size:18px;margin:0 0 15px;border-bottom:1px solid #3c4043;padding-bottom:10px}h2{font-size:16px;margin:10px 0}.form-section{margin-bottom:20px;background-color:#292a2d;border-radius:8px;padding:15px}.form-group{margin-bottom:10px}label{display:block;margin-bottom:5px;font-size:13px;color:#9aa0a6}input,textarea{width:100%;padding:8px;border:1px solid #3c4043;border-radius:4px;background-color:#202124;color:#e8eaed;box-sizing:border-box}textarea{min-height:60px;resize:vertical}button{background-color:#8ab4f8;color:#202124;border:none;border-radius:4px;padding:8px 16px;font-weight:500;cursor:pointer;transition:background-color .3s}button:hover{background-color:#669df6}button.small{padding:4px 8px;font-size:12px}.button-group{display:flex;gap:10px}.status{margin:10px 0;padding:8px;background-color:#292a2d;border-radius:4px;font-size:13px}.list{margin-top:10px;max-height:150px;overflow-y:auto}.list-item{display:flex;justify-content:space-between;align-items:center;padding:8px;border-bottom:1px solid #3c4043}.list-item.selected{background-color:#8ab4f81a}.hidden{display:none}.session-info{margin-top:15px}
+`,document.head.appendChild(o);const e=""})();

extension/dist/background/index.js

@@ -0,0 +1,81 @@
+// Background service worker for Modular Vault Extension
+// Handles state persistence between popup sessions
+
+console.log('Background service worker started');
+
+// Store session state locally for quicker access
+let sessionState = {
+  currentKeyspace: null,
+  keypairs: [],
+  selectedKeypair: null
+};
+
+// Initialize state from storage
+chrome.storage.local.get(['currentKeyspace', 'keypairs', 'selectedKeypair'])
+  .then(state => {
+    sessionState = {
+      currentKeyspace: state.currentKeyspace || null,
+      keypairs: state.keypairs || [],
+      selectedKeypair: state.selectedKeypair || null
+    };
+    console.log('Session state loaded from storage:', sessionState);
+  })
+  .catch(error => {
+    console.error('Failed to load session state:', error);
+  });
+
+// Handle messages from the popup
+chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
+  console.log('Background received message:', message.action, message.type || '');
+  
+  // Update session state
+  if (message.action === 'update_session') {
+    try {
+      const { type, data } = message;
+      
+      // Update our local state
+      if (type === 'keyspace') {
+        sessionState.currentKeyspace = data;
+      } else if (type === 'keypair_selected') {
+        sessionState.selectedKeypair = data;
+      } else if (type === 'keypair_added') {
+        sessionState.keypairs = [...sessionState.keypairs, data];
+      } else if (type === 'keypairs_loaded') {
+        // Replace the entire keypair list with what came from the vault
+        console.log('Updating keypairs from vault:', data);
+        sessionState.keypairs = data;
+      } else if (type === 'session_locked') {
+        // When locking, we don't need to maintain keypairs in memory anymore
+        // since they'll be reloaded from the vault when unlocking
+        sessionState = {
+          currentKeyspace: null,
+          keypairs: [], // Clear keypairs from memory since they're in the vault
+          selectedKeypair: null
+        };
+      }
+      
+      // Persist to storage
+      chrome.storage.local.set(sessionState)
+        .then(() => {
+          console.log('Updated session state in storage:', sessionState);
+          sendResponse({ success: true });
+        })
+        .catch(error => {
+          console.error('Failed to persist session state:', error);
+          sendResponse({ success: false, error: error.message });
+        });
+      
+      return true; // Keep connection open for async response
+    } catch (error) {
+      console.error('Error in update_session message handler:', error);
+      sendResponse({ success: false, error: error.message });
+      return true;
+    }
+  }
+  
+  // Get session state
+  if (message.action === 'get_session') {
+    sendResponse(sessionState);
+    return false; // No async response needed
+  }
+});

extension/dist/manifest.json

@@ -0,0 +1,36 @@
+{
+  "manifest_version": 3,
+  "name": "Modular Vault Extension",
+  "version": "0.1.0",
+  "description": "Cross-browser modular vault for cryptographic operations and scripting.",
+  "action": {
+    "default_popup": "popup/index.html",
+    "default_icon": {
+      "16": "assets/icon-16.png",
+      "32": "assets/icon-32.png",
+      "48": "assets/icon-48.png",
+      "128": "assets/icon-128.png"
+    }
+  },
+  "background": {
+    "service_worker": "background/index.js",
+    "type": "module"
+  },
+  "permissions": [
+    "storage",
+    "scripting"
+  ],
+  "host_permissions": [],
+  "icons": {
+    "16": "assets/icon-16.png",
+    "32": "assets/icon-32.png",
+    "48": "assets/icon-48.png",
+    "128": "assets/icon-128.png"
+  },
+  "web_accessible_resources": [
+    {
+      "resources": ["wasm/*.wasm", "wasm/*.js"],
+      "matches": ["<all_urls>"]
+    }
+  ]
+}

extension/dist/popup/index.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Modular Vault Extension</title>
+    <link rel="stylesheet" href="popup.css">
+  </head>
+  <body>
+    <div id="root"></div>
+    <script src="popup.js"></script>
+  </body>
+</html>

extension/dist/popup/popup.css

@@ -0,0 +1,117 @@
+/* Basic styles for the extension popup */
+body {
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
+  margin: 0;
+  padding: 0;
+  background-color: #202124;
+  color: #e8eaed;
+}
+
+.container {
+  width: 350px;
+  padding: 15px;
+}
+
+h1 {
+  font-size: 18px;
+  margin: 0 0 15px 0;
+  border-bottom: 1px solid #3c4043;
+  padding-bottom: 10px;
+}
+
+h2 {
+  font-size: 16px;
+  margin: 10px 0;
+}
+
+.form-section {
+  margin-bottom: 20px;
+  background-color: #292a2d;
+  border-radius: 8px;
+  padding: 15px;
+}
+
+.form-group {
+  margin-bottom: 10px;
+}
+
+label {
+  display: block;
+  margin-bottom: 5px;
+  font-size: 13px;
+  color: #9aa0a6;
+}
+
+input, textarea {
+  width: 100%;
+  padding: 8px;
+  border: 1px solid #3c4043;
+  border-radius: 4px;
+  background-color: #202124;
+  color: #e8eaed;
+  box-sizing: border-box;
+}
+
+textarea {
+  min-height: 60px;
+  resize: vertical;
+}
+
+button {
+  background-color: #8ab4f8;
+  color: #202124;
+  border: none;
+  border-radius: 4px;
+  padding: 8px 16px;
+  font-weight: 500;
+  cursor: pointer;
+  transition: background-color 0.3s;
+}
+
+button:hover {
+  background-color: #669df6;
+}
+
+button.small {
+  padding: 4px 8px;
+  font-size: 12px;
+}
+
+.button-group {
+  display: flex;
+  gap: 10px;
+}
+
+.status {
+  margin: 10px 0;
+  padding: 8px;
+  background-color: #292a2d;
+  border-radius: 4px;
+  font-size: 13px;
+}
+
+.list {
+  margin-top: 10px;
+  max-height: 150px;
+  overflow-y: auto;
+}
+
+.list-item {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 8px;
+  border-bottom: 1px solid #3c4043;
+}
+
+.list-item.selected {
+  background-color: rgba(138, 180, 248, 0.1);
+}
+
+.hidden {
+  display: none;
+}
+
+.session-info {
+  margin-top: 15px;
+}

extension/dist/popup/popup.js

@@ -0,0 +1,306 @@
+// Simple non-module JavaScript for browser extension popup
+document.addEventListener('DOMContentLoaded', async function() {
+  const root = document.getElementById('root');
+  root.innerHTML = `
+    <div class="container">
+      <h1>Modular Vault Extension</h1>
+      <div id="status" class="status">Loading WASM module...</div>
+      
+      <div id="session-controls">
+        <div id="keyspace-form" class="form-section">
+          <h2>Session</h2>
+          <div class="form-group">
+            <label for="keyspace">Keyspace:</label>
+            <input type="text" id="keyspace" placeholder="Enter keyspace name">
+          </div>
+          <div class="form-group">
+            <label for="password">Password:</label>
+            <input type="password" id="password" placeholder="Enter password">
+          </div>
+          <div class="button-group">
+            <button id="unlock-btn">Unlock</button>
+            <button id="create-btn">Create New</button>
+          </div>
+        </div>
+        
+        <div id="session-info" class="session-info hidden">
+          <h2>Active Session</h2>
+          <p>Current keyspace: <span id="current-keyspace"></span></p>
+          <button id="lock-btn">Lock Session</button>
+          
+          <div id="keypair-section" class="form-section">
+            <h2>Keypairs</h2>
+            <button id="create-keypair-btn">Create New Keypair</button>
+            <div id="keypair-list" class="list"></div>
+          </div>
+          
+          <div id="sign-section" class="form-section hidden">
+            <h2>Sign Message</h2>
+            <div class="form-group">
+              <label for="message">Message:</label>
+              <textarea id="message" placeholder="Enter message to sign"></textarea>
+            </div>
+            <button id="sign-btn">Sign</button>
+            <div class="form-group">
+              <label for="signature">Signature:</label>
+              <textarea id="signature" readonly></textarea>
+              <button id="copy-btn" class="small">Copy</button>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  `;
+  
+  // DOM elements
+  const statusEl = document.getElementById('status');
+  const keyspaceFormEl = document.getElementById('keyspace-form');
+  const sessionInfoEl = document.getElementById('session-info');
+  const currentKeyspaceEl = document.getElementById('current-keyspace');
+  const keyspaceInput = document.getElementById('keyspace');
+  const passwordInput = document.getElementById('password');
+  const unlockBtn = document.getElementById('unlock-btn');
+  const createBtn = document.getElementById('create-btn');
+  const lockBtn = document.getElementById('lock-btn');
+  const createKeypairBtn = document.getElementById('create-keypair-btn');
+  const keypairListEl = document.getElementById('keypair-list');
+  const signSectionEl = document.getElementById('sign-section');
+  const messageInput = document.getElementById('message');
+  const signBtn = document.getElementById('sign-btn');
+  const signatureOutput = document.getElementById('signature');
+  const copyBtn = document.getElementById('copy-btn');
+  
+  // State
+  let wasmModule = null;
+  let currentKeyspace = null;
+  let keypairs = [];
+  let selectedKeypairId = null;
+  
+  // Initialize
+  init();
+  
+  async function init() {
+    try {
+      // Get session state from background
+      const sessionState = await getSessionState();
+      
+      if (sessionState.currentKeyspace) {
+        // We have an active session
+        currentKeyspace = sessionState.currentKeyspace;
+        keypairs = sessionState.keypairs || [];
+        selectedKeypairId = sessionState.selectedKeypair;
+        
+        updateUI();
+      }
+      
+      statusEl.textContent = 'Ready';
+    } catch (error) {
+      statusEl.textContent = 'Error: ' + (error.message || 'Unknown error');
+    }
+  }
+  
+  function updateUI() {
+    if (currentKeyspace) {
+      // Show session info
+      keyspaceFormEl.classList.add('hidden');
+      sessionInfoEl.classList.remove('hidden');
+      currentKeyspaceEl.textContent = currentKeyspace;
+      
+      // Update keypair list
+      updateKeypairList();
+      
+      // Show/hide sign section based on selected keypair
+      if (selectedKeypairId) {
+        signSectionEl.classList.remove('hidden');
+      } else {
+        signSectionEl.classList.add('hidden');
+      }
+    } else {
+      // Show keyspace form
+      keyspaceFormEl.classList.remove('hidden');
+      sessionInfoEl.classList.add('hidden');
+    }
+  }
+  
+  function updateKeypairList() {
+    // Clear list
+    keypairListEl.innerHTML = '';
+    
+    // Add each keypair
+    keypairs.forEach(keypair => {
+      const item = document.createElement('div');
+      item.className = 'list-item' + (selectedKeypairId === keypair.id ? ' selected' : '');
+      item.innerHTML = `
+        <span>${keypair.label || keypair.id}</span>
+        <button class="select-btn" data-id="${keypair.id}">Select</button>
+      `;
+      keypairListEl.appendChild(item);
+      
+      // Add select handler
+      item.querySelector('.select-btn').addEventListener('click', async () => {
+        try {
+          statusEl.textContent = 'Selecting keypair...';
+          // Use background service to select keypair for now
+          await chrome.runtime.sendMessage({ 
+            action: 'update_session', 
+            type: 'keypair_selected', 
+            data: keypair.id 
+          });
+          selectedKeypairId = keypair.id;
+          updateUI();
+          statusEl.textContent = 'Keypair selected: ' + keypair.id;
+        } catch (error) {
+          statusEl.textContent = 'Error selecting keypair: ' + (error.message || 'Unknown error');
+        }
+      });
+    });
+  }
+  
+  // Get session state from background
+  async function getSessionState() {
+    return new Promise((resolve) => {
+      chrome.runtime.sendMessage({ action: 'get_session' }, (response) => {
+        resolve(response || { currentKeyspace: null, keypairs: [], selectedKeypair: null });
+      });
+    });
+  }
+  
+  // Event handlers
+  unlockBtn.addEventListener('click', async () => {
+    const keyspace = keyspaceInput.value.trim();
+    const password = passwordInput.value;
+    
+    if (!keyspace || !password) {
+      statusEl.textContent = 'Please enter keyspace and password';
+      return;
+    }
+    
+    statusEl.textContent = 'Unlocking session...';
+    
+    try {
+      // For now, use the background service worker mock
+      await chrome.runtime.sendMessage({ 
+        action: 'update_session', 
+        type: 'keyspace', 
+        data: keyspace 
+      });
+      
+      currentKeyspace = keyspace;
+      updateUI();
+      statusEl.textContent = 'Session unlocked!';
+      
+      // Refresh state
+      const state = await getSessionState();
+      keypairs = state.keypairs || [];
+      selectedKeypairId = state.selectedKeypair;
+      updateUI();
+    } catch (error) {
+      statusEl.textContent = 'Error unlocking session: ' + (error.message || 'Unknown error');
+    }
+  });
+  
+  createBtn.addEventListener('click', async () => {
+    const keyspace = keyspaceInput.value.trim();
+    const password = passwordInput.value;
+    
+    if (!keyspace || !password) {
+      statusEl.textContent = 'Please enter keyspace and password';
+      return;
+    }
+    
+    statusEl.textContent = 'Creating keyspace...';
+    
+    try {
+      // For now, use the background service worker mock
+      await chrome.runtime.sendMessage({ 
+        action: 'update_session', 
+        type: 'keyspace', 
+        data: keyspace 
+      });
+      
+      currentKeyspace = keyspace;
+      updateUI();
+      statusEl.textContent = 'Keyspace created and unlocked!';
+    } catch (error) {
+      statusEl.textContent = 'Error creating keyspace: ' + (error.message || 'Unknown error');
+    }
+  });
+  
+  lockBtn.addEventListener('click', async () => {
+    statusEl.textContent = 'Locking session...';
+    
+    try {
+      await chrome.runtime.sendMessage({ 
+        action: 'update_session', 
+        type: 'session_locked'
+      });
+      
+      currentKeyspace = null;
+      keypairs = [];
+      selectedKeypairId = null;
+      updateUI();
+      statusEl.textContent = 'Session locked';
+    } catch (error) {
+      statusEl.textContent = 'Error locking session: ' + (error.message || 'Unknown error');
+    }
+  });
+  
+  createKeypairBtn.addEventListener('click', async () => {
+    statusEl.textContent = 'Creating keypair...';
+    
+    try {
+      // Generate a mock keypair ID
+      const keyId = 'key-' + Date.now().toString(16);
+      const newKeypair = { 
+        id: keyId, 
+        label: `Secp256k1-Key-${keypairs.length + 1}` 
+      };
+      
+      await chrome.runtime.sendMessage({ 
+        action: 'update_session', 
+        type: 'keypair_added', 
+        data: newKeypair
+      });
+      
+      // Refresh state
+      const state = await getSessionState();
+      keypairs = state.keypairs || [];
+      updateUI();
+      
+      statusEl.textContent = 'Keypair created: ' + keyId;
+    } catch (error) {
+      statusEl.textContent = 'Error creating keypair: ' + (error.message || 'Unknown error');
+    }
+  });
+  
+  signBtn.addEventListener('click', async () => {
+    const message = messageInput.value.trim();
+    
+    if (!message) {
+      statusEl.textContent = 'Please enter a message to sign';
+      return;
+    }
+    
+    if (!selectedKeypairId) {
+      statusEl.textContent = 'Please select a keypair first';
+      return;
+    }
+    
+    statusEl.textContent = 'Signing message...';
+    
+    try {
+      // For now, generate a mock signature
+      const mockSignature = Array.from({length: 64}, () => Math.floor(Math.random() * 16).toString(16)).join('');
+      signatureOutput.value = mockSignature;
+      statusEl.textContent = 'Message signed!';
+    } catch (error) {
+      statusEl.textContent = 'Error signing message: ' + (error.message || 'Unknown error');
+    }
+  });
+  
+  copyBtn.addEventListener('click', () => {
+    signatureOutput.select();
+    document.execCommand('copy');
+    statusEl.textContent = 'Signature copied to clipboard!';
+  });
+});

extension/dist/wasm/wasm_app.js

@@ -0,0 +1,765 @@
+import * as __wbg_star0 from 'env';
+
+let wasm;
+
+function addToExternrefTable0(obj) {
+    const idx = wasm.__externref_table_alloc();
+    wasm.__wbindgen_export_2.set(idx, obj);
+    return idx;
+}
+
+function handleError(f, args) {
+    try {
+        return f.apply(this, args);
+    } catch (e) {
+        const idx = addToExternrefTable0(e);
+        wasm.__wbindgen_exn_store(idx);
+    }
+}
+
+const cachedTextDecoder = (typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-8', { ignoreBOM: true, fatal: true }) : { decode: () => { throw Error('TextDecoder not available') } } );
+
+if (typeof TextDecoder !== 'undefined') { cachedTextDecoder.decode(); };
+
+let cachedUint8ArrayMemory0 = null;
+
+function getUint8ArrayMemory0() {
+    if (cachedUint8ArrayMemory0 === null || cachedUint8ArrayMemory0.byteLength === 0) {
+        cachedUint8ArrayMemory0 = new Uint8Array(wasm.memory.buffer);
+    }
+    return cachedUint8ArrayMemory0;
+}
+
+function getStringFromWasm0(ptr, len) {
+    ptr = ptr >>> 0;
+    return cachedTextDecoder.decode(getUint8ArrayMemory0().subarray(ptr, ptr + len));
+}
+
+function isLikeNone(x) {
+    return x === undefined || x === null;
+}
+
+function getArrayU8FromWasm0(ptr, len) {
+    ptr = ptr >>> 0;
+    return getUint8ArrayMemory0().subarray(ptr / 1, ptr / 1 + len);
+}
+
+let WASM_VECTOR_LEN = 0;
+
+const cachedTextEncoder = (typeof TextEncoder !== 'undefined' ? new TextEncoder('utf-8') : { encode: () => { throw Error('TextEncoder not available') } } );
+
+const encodeString = (typeof cachedTextEncoder.encodeInto === 'function'
+    ? function (arg, view) {
+    return cachedTextEncoder.encodeInto(arg, view);
+}
+    : function (arg, view) {
+    const buf = cachedTextEncoder.encode(arg);
+    view.set(buf);
+    return {
+        read: arg.length,
+        written: buf.length
+    };
+});
+
+function passStringToWasm0(arg, malloc, realloc) {
+
+    if (realloc === undefined) {
+        const buf = cachedTextEncoder.encode(arg);
+        const ptr = malloc(buf.length, 1) >>> 0;
+        getUint8ArrayMemory0().subarray(ptr, ptr + buf.length).set(buf);
+        WASM_VECTOR_LEN = buf.length;
+        return ptr;
+    }
+
+    let len = arg.length;
+    let ptr = malloc(len, 1) >>> 0;
+
+    const mem = getUint8ArrayMemory0();
+
+    let offset = 0;
+
+    for (; offset < len; offset++) {
+        const code = arg.charCodeAt(offset);
+        if (code > 0x7F) break;
+        mem[ptr + offset] = code;
+    }
+
+    if (offset !== len) {
+        if (offset !== 0) {
+            arg = arg.slice(offset);
+        }
+        ptr = realloc(ptr, len, len = offset + arg.length * 3, 1) >>> 0;
+        const view = getUint8ArrayMemory0().subarray(ptr + offset, ptr + len);
+        const ret = encodeString(arg, view);
+
+        offset += ret.written;
+        ptr = realloc(ptr, len, offset, 1) >>> 0;
+    }
+
+    WASM_VECTOR_LEN = offset;
+    return ptr;
+}
+
+let cachedDataViewMemory0 = null;
+
+function getDataViewMemory0() {
+    if (cachedDataViewMemory0 === null || cachedDataViewMemory0.buffer.detached === true || (cachedDataViewMemory0.buffer.detached === undefined && cachedDataViewMemory0.buffer !== wasm.memory.buffer)) {
+        cachedDataViewMemory0 = new DataView(wasm.memory.buffer);
+    }
+    return cachedDataViewMemory0;
+}
+
+const CLOSURE_DTORS = (typeof FinalizationRegistry === 'undefined')
+    ? { register: () => {}, unregister: () => {} }
+    : new FinalizationRegistry(state => {
+    wasm.__wbindgen_export_5.get(state.dtor)(state.a, state.b)
+});
+
+function makeMutClosure(arg0, arg1, dtor, f) {
+    const state = { a: arg0, b: arg1, cnt: 1, dtor };
+    const real = (...args) => {
+        // First up with a closure we increment the internal reference
+        // count. This ensures that the Rust closure environment won't
+        // be deallocated while we're invoking it.
+        state.cnt++;
+        const a = state.a;
+        state.a = 0;
+        try {
+            return f(a, state.b, ...args);
+        } finally {
+            if (--state.cnt === 0) {
+                wasm.__wbindgen_export_5.get(state.dtor)(a, state.b);
+                CLOSURE_DTORS.unregister(state);
+            } else {
+                state.a = a;
+            }
+        }
+    };
+    real.original = state;
+    CLOSURE_DTORS.register(real, state, state);
+    return real;
+}
+
+function debugString(val) {
+    // primitive types
+    const type = typeof val;
+    if (type == 'number' || type == 'boolean' || val == null) {
+        return  `${val}`;
+    }
+    if (type == 'string') {
+        return `"${val}"`;
+    }
+    if (type == 'symbol') {
+        const description = val.description;
+        if (description == null) {
+            return 'Symbol';
+        } else {
+            return `Symbol(${description})`;
+        }
+    }
+    if (type == 'function') {
+        const name = val.name;
+        if (typeof name == 'string' && name.length > 0) {
+            return `Function(${name})`;
+        } else {
+            return 'Function';
+        }
+    }
+    // objects
+    if (Array.isArray(val)) {
+        const length = val.length;
+        let debug = '[';
+        if (length > 0) {
+            debug += debugString(val[0]);
+        }
+        for(let i = 1; i < length; i++) {
+            debug += ', ' + debugString(val[i]);
+        }
+        debug += ']';
+        return debug;
+    }
+    // Test for built-in
+    const builtInMatches = /\[object ([^\]]+)\]/.exec(toString.call(val));
+    let className;
+    if (builtInMatches && builtInMatches.length > 1) {
+        className = builtInMatches[1];
+    } else {
+        // Failed to match the standard '[object ClassName]'
+        return toString.call(val);
+    }
+    if (className == 'Object') {
+        // we're a user defined class or Object
+        // JSON.stringify avoids problems with cycles, and is generally much
+        // easier than looping through ownProperties of `val`.
+        try {
+            return 'Object(' + JSON.stringify(val) + ')';
+        } catch (_) {
+            return 'Object';
+        }
+    }
+    // errors
+    if (val instanceof Error) {
+        return `${val.name}: ${val.message}\n${val.stack}`;
+    }
+    // TODO we could test for more things here, like `Set`s and `Map`s.
+    return className;
+}
+/**
+ * Initialize the scripting environment (must be called before run_rhai)
+ */
+export function init_rhai_env() {
+    wasm.init_rhai_env();
+}
+
+function takeFromExternrefTable0(idx) {
+    const value = wasm.__wbindgen_export_2.get(idx);
+    wasm.__externref_table_dealloc(idx);
+    return value;
+}
+/**
+ * Securely run a Rhai script in the extension context (must be called only after user approval)
+ * @param {string} script
+ * @returns {any}
+ */
+export function run_rhai(script) {
+    const ptr0 = passStringToWasm0(script, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len0 = WASM_VECTOR_LEN;
+    const ret = wasm.run_rhai(ptr0, len0);
+    if (ret[2]) {
+        throw takeFromExternrefTable0(ret[1]);
+    }
+    return takeFromExternrefTable0(ret[0]);
+}
+
+/**
+ * Initialize session with keyspace and password
+ * @param {string} keyspace
+ * @param {string} password
+ * @returns {Promise<void>}
+ */
+export function init_session(keyspace, password) {
+    const ptr0 = passStringToWasm0(keyspace, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len0 = WASM_VECTOR_LEN;
+    const ptr1 = passStringToWasm0(password, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len1 = WASM_VECTOR_LEN;
+    const ret = wasm.init_session(ptr0, len0, ptr1, len1);
+    return ret;
+}
+
+/**
+ * Lock the session (zeroize password and session)
+ */
+export function lock_session() {
+    wasm.lock_session();
+}
+
+/**
+ * Get all keypairs from the current session
+ * Returns an array of keypair objects with id, type, and metadata
+ * Select keypair for the session
+ * @param {string} key_id
+ */
+export function select_keypair(key_id) {
+    const ptr0 = passStringToWasm0(key_id, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    const len0 = WASM_VECTOR_LEN;
+    const ret = wasm.select_keypair(ptr0, len0);
+    if (ret[1]) {
+        throw takeFromExternrefTable0(ret[0]);
+    }
+}
+
+/**
+ * List keypairs in the current session's keyspace
+ * @returns {Promise<any>}
+ */
+export function list_keypairs() {
+    const ret = wasm.list_keypairs();
+    return ret;
+}
+
+/**
+ * Add a keypair to the current keyspace
+ * @param {string | null} [key_type]
+ * @param {string | null} [metadata]
+ * @returns {Promise<any>}
+ */
+export function add_keypair(key_type, metadata) {
+    var ptr0 = isLikeNone(key_type) ? 0 : passStringToWasm0(key_type, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    var len0 = WASM_VECTOR_LEN;
+    var ptr1 = isLikeNone(metadata) ? 0 : passStringToWasm0(metadata, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+    var len1 = WASM_VECTOR_LEN;
+    const ret = wasm.add_keypair(ptr0, len0, ptr1, len1);
+    return ret;
+}
+
+function passArray8ToWasm0(arg, malloc) {
+    const ptr = malloc(arg.length * 1, 1) >>> 0;
+    getUint8ArrayMemory0().set(arg, ptr / 1);
+    WASM_VECTOR_LEN = arg.length;
+    return ptr;
+}
+/**
+ * Sign message with current session
+ * @param {Uint8Array} message
+ * @returns {Promise<any>}
+ */
+export function sign(message) {
+    const ptr0 = passArray8ToWasm0(message, wasm.__wbindgen_malloc);
+    const len0 = WASM_VECTOR_LEN;
+    const ret = wasm.sign(ptr0, len0);
+    return ret;
+}
+
+function __wbg_adapter_32(arg0, arg1, arg2) {
+    wasm.closure77_externref_shim(arg0, arg1, arg2);
+}
+
+function __wbg_adapter_35(arg0, arg1, arg2) {
+    wasm.closure126_externref_shim(arg0, arg1, arg2);
+}
+
+function __wbg_adapter_38(arg0, arg1, arg2) {
+    wasm.closure188_externref_shim(arg0, arg1, arg2);
+}
+
+function __wbg_adapter_123(arg0, arg1, arg2, arg3) {
+    wasm.closure213_externref_shim(arg0, arg1, arg2, arg3);
+}
+
+const __wbindgen_enum_IdbTransactionMode = ["readonly", "readwrite", "versionchange", "readwriteflush", "cleanup"];
+
+async function __wbg_load(module, imports) {
+    if (typeof Response === 'function' && module instanceof Response) {
+        if (typeof WebAssembly.instantiateStreaming === 'function') {
+            try {
+                return await WebAssembly.instantiateStreaming(module, imports);
+
+            } catch (e) {
+                if (module.headers.get('Content-Type') != 'application/wasm') {
+                    console.warn("`WebAssembly.instantiateStreaming` failed because your server does not serve Wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n", e);
+
+                } else {
+                    throw e;
+                }
+            }
+        }
+
+        const bytes = await module.arrayBuffer();
+        return await WebAssembly.instantiate(bytes, imports);
+
+    } else {
+        const instance = await WebAssembly.instantiate(module, imports);
+
+        if (instance instanceof WebAssembly.Instance) {
+            return { instance, module };
+
+        } else {
+            return instance;
+        }
+    }
+}
+
+function __wbg_get_imports() {
+    const imports = {};
+    imports.wbg = {};
+    imports.wbg.__wbg_buffer_609cc3eee51ed158 = function(arg0) {
+        const ret = arg0.buffer;
+        return ret;
+    };
+    imports.wbg.__wbg_call_672a4d21634d4a24 = function() { return handleError(function (arg0, arg1) {
+        const ret = arg0.call(arg1);
+        return ret;
+    }, arguments) };
+    imports.wbg.__wbg_call_7cccdd69e0791ae2 = function() { return handleError(function (arg0, arg1, arg2) {
+        const ret = arg0.call(arg1, arg2);
+        return ret;
+    }, arguments) };
+    imports.wbg.__wbg_createObjectStore_d2f9e1016f4d81b9 = function() { return handleError(function (arg0, arg1, arg2, arg3) {
+        const ret = arg0.createObjectStore(getStringFromWasm0(arg1, arg2), arg3);
+        return ret;
+    }, arguments) };
+    imports.wbg.__wbg_crypto_574e78ad8b13b65f = function(arg0) {
+        const ret = arg0.crypto;
+        return ret;
+    };
+    imports.wbg.__wbg_error_524f506f44df1645 = function(arg0) {
+        console.error(arg0);
+    };
+    imports.wbg.__wbg_error_ff4ddaabdfc5dbb3 = function() { return handleError(function (arg0) {
+        const ret = arg0.error;
+        return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
+    }, arguments) };
+    imports.wbg.__wbg_getRandomValues_3c9c0d586e575a16 = function() { return handleError(function (arg0, arg1) {
+        globalThis.crypto.getRandomValues(getArrayU8FromWasm0(arg0, arg1));
+    }, arguments) };
+    imports.wbg.__wbg_getRandomValues_b8f5dbd5f3995a9e = function() { return handleError(function (arg0, arg1) {
+        arg0.getRandomValues(arg1);
+    }, arguments) };
+    imports.wbg.__wbg_get_4f73335ab78445db = function(arg0, arg1, arg2) {
+        const ret = arg1[arg2 >>> 0];
+        var ptr1 = isLikeNone(ret) ? 0 : passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+        var len1 = WASM_VECTOR_LEN;
+        getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
+        getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
+    };
+    imports.wbg.__wbg_get_67b2ba62fc30de12 = function() { return handleError(function (arg0, arg1) {
+        const ret = Reflect.get(arg0, arg1);
+        return ret;
+    }, arguments) };
+    imports.wbg.__wbg_get_8da03f81f6a1111e = function() { return handleError(function (arg0, arg1) {
+        const ret = arg0.get(arg1);
+        return ret;
+    }, arguments) };
+    imports.wbg.__wbg_instanceof_IdbDatabase_a3ef009ca00059f9 = function(arg0) {
+        let result;
+        try {
+            result = arg0 instanceof IDBDatabase;
+        } catch (_) {
+            result = false;
+        }
+        const ret = result;
+        return ret;
+    };
+    imports.wbg.__wbg_instanceof_IdbFactory_12eaba3366f4302f = function(arg0) {
+        let result;
+        try {
+            result = arg0 instanceof IDBFactory;
+        } catch (_) {
+            result = false;
+        }
+        const ret = result;
+        return ret;
+    };
+    imports.wbg.__wbg_instanceof_IdbOpenDbRequest_a3416e156c9db893 = function(arg0) {
+        let result;
+        try {
+            result = arg0 instanceof IDBOpenDBRequest;
+        } catch (_) {
+            result = false;
+        }
+        const ret = result;
+        return ret;
+    };
+    imports.wbg.__wbg_instanceof_IdbRequest_4813c3f207666aa4 = function(arg0) {
+        let result;
+        try {
+            result = arg0 instanceof IDBRequest;
+        } catch (_) {
+            result = false;
+        }
+        const ret = result;
+        return ret;
+    };
+    imports.wbg.__wbg_length_52b6c4580c5ec934 = function(arg0) {
+        const ret = arg0.length;
+        return ret;
+    };
+    imports.wbg.__wbg_msCrypto_a61aeb35a24c1329 = function(arg0) {
+        const ret = arg0.msCrypto;
+        return ret;
+    };
+    imports.wbg.__wbg_new_23a2665fac83c611 = function(arg0, arg1) {
+        try {
+            var state0 = {a: arg0, b: arg1};
+            var cb0 = (arg0, arg1) => {
+                const a = state0.a;
+                state0.a = 0;
+                try {
+                    return __wbg_adapter_123(a, state0.b, arg0, arg1);
+                } finally {
+                    state0.a = a;
+                }
+            };
+            const ret = new Promise(cb0);
+            return ret;
+        } finally {
+            state0.a = state0.b = 0;
+        }
+    };
+    imports.wbg.__wbg_new_405e22f390576ce2 = function() {
+        const ret = new Object();
+        return ret;
+    };
+    imports.wbg.__wbg_new_78feb108b6472713 = function() {
+        const ret = new Array();
+        return ret;
+    };
+    imports.wbg.__wbg_new_a12002a7f91c75be = function(arg0) {
+        const ret = new Uint8Array(arg0);
+        return ret;
+    };
+    imports.wbg.__wbg_newnoargs_105ed471475aaf50 = function(arg0, arg1) {
+        const ret = new Function(getStringFromWasm0(arg0, arg1));
+        return ret;
+    };
+    imports.wbg.__wbg_newwithbyteoffsetandlength_d97e637ebe145a9a = function(arg0, arg1, arg2) {
+        const ret = new Uint8Array(arg0, arg1 >>> 0, arg2 >>> 0);
+        return ret;
+    };
+    imports.wbg.__wbg_newwithlength_a381634e90c276d4 = function(arg0) {
+        const ret = new Uint8Array(arg0 >>> 0);
+        return ret;
+    };
+    imports.wbg.__wbg_node_905d3e251edff8a2 = function(arg0) {
+        const ret = arg0.node;
+        return ret;
+    };
+    imports.wbg.__wbg_objectStoreNames_9bb1ab04a7012aaf = function(arg0) {
+        const ret = arg0.objectStoreNames;
+        return ret;
+    };
+    imports.wbg.__wbg_objectStore_21878d46d25b64b6 = function() { return handleError(function (arg0, arg1, arg2) {
+        const ret = arg0.objectStore(getStringFromWasm0(arg1, arg2));
+        return ret;
+    }, arguments) };
+    imports.wbg.__wbg_open_88b1390d99a7c691 = function() { return handleError(function (arg0, arg1, arg2) {
+        const ret = arg0.open(getStringFromWasm0(arg1, arg2));
+        return ret;
+    }, arguments) };
+    imports.wbg.__wbg_open_e0c0b2993eb596e1 = function() { return handleError(function (arg0, arg1, arg2, arg3) {
+        const ret = arg0.open(getStringFromWasm0(arg1, arg2), arg3 >>> 0);
+        return ret;
+    }, arguments) };
+    imports.wbg.__wbg_process_dc0fbacc7c1c06f7 = function(arg0) {
+        const ret = arg0.process;
+        return ret;
+    };
+    imports.wbg.__wbg_push_737cfc8c1432c2c6 = function(arg0, arg1) {
+        const ret = arg0.push(arg1);
+        return ret;
+    };
+    imports.wbg.__wbg_put_066faa31a6a88f5b = function() { return handleError(function (arg0, arg1, arg2) {
+        const ret = arg0.put(arg1, arg2);
+        return ret;
+    }, arguments) };
+    imports.wbg.__wbg_put_9ef5363941008835 = function() { return handleError(function (arg0, arg1) {
+        const ret = arg0.put(arg1);
+        return ret;
+    }, arguments) };
+    imports.wbg.__wbg_queueMicrotask_97d92b4fcc8a61c5 = function(arg0) {
+        queueMicrotask(arg0);
+    };
+    imports.wbg.__wbg_queueMicrotask_d3219def82552485 = function(arg0) {
+        const ret = arg0.queueMicrotask;
+        return ret;
+    };
+    imports.wbg.__wbg_randomFillSync_ac0988aba3254290 = function() { return handleError(function (arg0, arg1) {
+        arg0.randomFillSync(arg1);
+    }, arguments) };
+    imports.wbg.__wbg_require_60cc747a6bc5215a = function() { return handleError(function () {
+        const ret = module.require;
+        return ret;
+    }, arguments) };
+    imports.wbg.__wbg_resolve_4851785c9c5f573d = function(arg0) {
+        const ret = Promise.resolve(arg0);
+        return ret;
+    };
+    imports.wbg.__wbg_result_f29afabdf2c05826 = function() { return handleError(function (arg0) {
+        const ret = arg0.result;
+        return ret;
+    }, arguments) };
+    imports.wbg.__wbg_set_65595bdd868b3009 = function(arg0, arg1, arg2) {
+        arg0.set(arg1, arg2 >>> 0);
+    };
+    imports.wbg.__wbg_setonerror_d7e3056cc6e56085 = function(arg0, arg1) {
+        arg0.onerror = arg1;
+    };
+    imports.wbg.__wbg_setonsuccess_afa464ee777a396d = function(arg0, arg1) {
+        arg0.onsuccess = arg1;
+    };
+    imports.wbg.__wbg_setonupgradeneeded_fcf7ce4f2eb0cb5f = function(arg0, arg1) {
+        arg0.onupgradeneeded = arg1;
+    };
+    imports.wbg.__wbg_static_accessor_GLOBAL_88a902d13a557d07 = function() {
+        const ret = typeof global === 'undefined' ? null : global;
+        return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
+    };
+    imports.wbg.__wbg_static_accessor_GLOBAL_THIS_56578be7e9f832b0 = function() {
+        const ret = typeof globalThis === 'undefined' ? null : globalThis;
+        return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
+    };
+    imports.wbg.__wbg_static_accessor_SELF_37c5d418e4bf5819 = function() {
+        const ret = typeof self === 'undefined' ? null : self;
+        return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
+    };
+    imports.wbg.__wbg_static_accessor_WINDOW_5de37043a91a9c40 = function() {
+        const ret = typeof window === 'undefined' ? null : window;
+        return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
+    };
+    imports.wbg.__wbg_subarray_aa9065fa9dc5df96 = function(arg0, arg1, arg2) {
+        const ret = arg0.subarray(arg1 >>> 0, arg2 >>> 0);
+        return ret;
+    };
+    imports.wbg.__wbg_target_0a62d9d79a2a1ede = function(arg0) {
+        const ret = arg0.target;
+        return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
+    };
+    imports.wbg.__wbg_then_44b73946d2fb3e7d = function(arg0, arg1) {
+        const ret = arg0.then(arg1);
+        return ret;
+    };
+    imports.wbg.__wbg_transaction_d6d07c3c9963c49e = function() { return handleError(function (arg0, arg1, arg2) {
+        const ret = arg0.transaction(arg1, __wbindgen_enum_IdbTransactionMode[arg2]);
+        return ret;
+    }, arguments) };
+    imports.wbg.__wbg_versions_c01dfd4722a88165 = function(arg0) {
+        const ret = arg0.versions;
+        return ret;
+    };
+    imports.wbg.__wbindgen_cb_drop = function(arg0) {
+        const obj = arg0.original;
+        if (obj.cnt-- == 1) {
+            obj.a = 0;
+            return true;
+        }
+        const ret = false;
+        return ret;
+    };
+    imports.wbg.__wbindgen_closure_wrapper284 = function(arg0, arg1, arg2) {
+        const ret = makeMutClosure(arg0, arg1, 78, __wbg_adapter_32);
+        return ret;
+    };
+    imports.wbg.__wbindgen_closure_wrapper493 = function(arg0, arg1, arg2) {
+        const ret = makeMutClosure(arg0, arg1, 127, __wbg_adapter_35);
+        return ret;
+    };
+    imports.wbg.__wbindgen_closure_wrapper762 = function(arg0, arg1, arg2) {
+        const ret = makeMutClosure(arg0, arg1, 189, __wbg_adapter_38);
+        return ret;
+    };
+    imports.wbg.__wbindgen_debug_string = function(arg0, arg1) {
+        const ret = debugString(arg1);
+        const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+        const len1 = WASM_VECTOR_LEN;
+        getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
+        getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
+    };
+    imports.wbg.__wbindgen_init_externref_table = function() {
+        const table = wasm.__wbindgen_export_2;
+        const offset = table.grow(4);
+        table.set(0, undefined);
+        table.set(offset + 0, undefined);
+        table.set(offset + 1, null);
+        table.set(offset + 2, true);
+        table.set(offset + 3, false);
+        ;
+    };
+    imports.wbg.__wbindgen_is_function = function(arg0) {
+        const ret = typeof(arg0) === 'function';
+        return ret;
+    };
+    imports.wbg.__wbindgen_is_null = function(arg0) {
+        const ret = arg0 === null;
+        return ret;
+    };
+    imports.wbg.__wbindgen_is_object = function(arg0) {
+        const val = arg0;
+        const ret = typeof(val) === 'object' && val !== null;
+        return ret;
+    };
+    imports.wbg.__wbindgen_is_string = function(arg0) {
+        const ret = typeof(arg0) === 'string';
+        return ret;
+    };
+    imports.wbg.__wbindgen_is_undefined = function(arg0) {
+        const ret = arg0 === undefined;
+        return ret;
+    };
+    imports.wbg.__wbindgen_json_parse = function(arg0, arg1) {
+        const ret = JSON.parse(getStringFromWasm0(arg0, arg1));
+        return ret;
+    };
+    imports.wbg.__wbindgen_json_serialize = function(arg0, arg1) {
+        const obj = arg1;
+        const ret = JSON.stringify(obj === undefined ? null : obj);
+        const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+        const len1 = WASM_VECTOR_LEN;
+        getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
+        getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
+    };
+    imports.wbg.__wbindgen_memory = function() {
+        const ret = wasm.memory;
+        return ret;
+    };
+    imports.wbg.__wbindgen_string_new = function(arg0, arg1) {
+        const ret = getStringFromWasm0(arg0, arg1);
+        return ret;
+    };
+    imports.wbg.__wbindgen_throw = function(arg0, arg1) {
+        throw new Error(getStringFromWasm0(arg0, arg1));
+    };
+    imports['env'] = __wbg_star0;
+
+    return imports;
+}
+
+function __wbg_init_memory(imports, memory) {
+
+}
+
+function __wbg_finalize_init(instance, module) {
+    wasm = instance.exports;
+    __wbg_init.__wbindgen_wasm_module = module;
+    cachedDataViewMemory0 = null;
+    cachedUint8ArrayMemory0 = null;
+
+
+    wasm.__wbindgen_start();
+    return wasm;
+}
+
+function initSync(module) {
+    if (wasm !== undefined) return wasm;
+
+
+    if (typeof module !== 'undefined') {
+        if (Object.getPrototypeOf(module) === Object.prototype) {
+            ({module} = module)
+        } else {
+            console.warn('using deprecated parameters for `initSync()`; pass a single object instead')
+        }
+    }
+
+    const imports = __wbg_get_imports();
+
+    __wbg_init_memory(imports);
+
+    if (!(module instanceof WebAssembly.Module)) {
+        module = new WebAssembly.Module(module);
+    }
+
+    const instance = new WebAssembly.Instance(module, imports);
+
+    return __wbg_finalize_init(instance, module);
+}
+
+async function __wbg_init(module_or_path) {
+    if (wasm !== undefined) return wasm;
+
+
+    if (typeof module_or_path !== 'undefined') {
+        if (Object.getPrototypeOf(module_or_path) === Object.prototype) {
+            ({module_or_path} = module_or_path)
+        } else {
+            console.warn('using deprecated parameters for the initialization function; pass a single object instead')
+        }
+    }
+
+    if (typeof module_or_path === 'undefined') {
+        module_or_path = new URL('wasm_app_bg.wasm', import.meta.url);
+    }
+    const imports = __wbg_get_imports();
+
+    if (typeof module_or_path === 'string' || (typeof Request === 'function' && module_or_path instanceof Request) || (typeof URL === 'function' && module_or_path instanceof URL)) {
+        module_or_path = fetch(module_or_path);
+    }
+
+    __wbg_init_memory(imports);
+
+    const { instance, module } = await __wbg_load(await module_or_path, imports);
+
+    return __wbg_finalize_init(instance, module);
+}
+
+export { initSync };
+export default __wbg_init;