fix vector initialisation?

.npmrc

@@ -0,0 +1,2 @@
+legacy-peer-deps=true
+

src/plugins/built-in/globalSearch/src/core/index.ts

@@ -126,10 +126,16 @@ const globalSearchPlugin: Plugin<typeof settings> = {
 
     initVectorSearch();
 
-    // Warm up vector worker in background to improve initial response time
+    // Warm up vector worker in background to improve initial response time (skip in Firefox)
     setTimeout(async () => {
       try {
-        VectorWorkerManager.getInstance();
+        // Only initialize worker if vector search is supported
+        const { isVectorSearchSupported } = await import("../utils/browserDetection");
+        if (isVectorSearchSupported()) {
+          VectorWorkerManager.getInstance();
+        } else {
+          console.debug("[Global Search] Skipping vector worker warm-up (Firefox detected - using text search only)");
+        }
       } catch (error) {
         console.warn("[Global Search] Vector worker warm-up failed:", error);
       }

src/plugins/built-in/globalSearch/src/indexing/worker/vectorWorker.ts

@@ -3,9 +3,24 @@ import type { IndexItem } from "../types";
 
 let vectorIndex: EmbeddingIndex | null = null;
 let isInitialized = false;
+let initializationFailed = false;
 let currentAbortController: AbortController | null = null;
 let loadedItemIds = new Set<string>();
 
+// Detect Firefox in worker context
+function isFirefoxWorker(): boolean {
+  try {
+    // Check for Firefox-specific APIs or user agent
+    if (typeof navigator !== "undefined") {
+      return navigator.userAgent.toLowerCase().includes("firefox");
+    }
+    // In worker context, check for Firefox-specific behavior
+    return false;
+  } catch {
+    return false;
+  }
+}
+
 let streamingSession: {
   isActive: boolean;
   totalExpected: number;
@@ -21,6 +36,16 @@ async function initWorker() {
     console.debug("Vector worker already initialized.");
     return;
   }
+  
+  // Skip initialization in Firefox
+  if (isFirefoxWorker()) {
+    console.debug("[Vector Worker] Vector search not supported in Firefox - skipping initialization");
+    isInitialized = true;
+    initializationFailed = true;
+    vectorIndex = null;
+    return;
+  }
+  
   console.debug("Initializing vector worker...");
   try {
     await initializeModel();
@@ -48,8 +73,9 @@ async function initWorker() {
     isInitialized = true;
     console.debug("Vector worker initialized successfully.");
   } catch (e) {
-    console.error("Failed to initialize vector worker:", e);
+    console.warn("[Vector Worker] Failed to initialize vector worker (will use text search only):", e);
     isInitialized = true;
+    initializationFailed = true;
     vectorIndex = null;
   }
 }
@@ -80,18 +106,29 @@ async function startStreamingSession(
   totalExpected: number,
   batchSize: number = 5,
 ) {
+  if (initializationFailed || isFirefoxWorker()) {
+    self.postMessage({
+      type: "progress",
+      data: {
+        status: "complete",
+        message: "Vector search not available in Firefox - using text search only",
+      },
+    });
+    return;
+  }
+  
   if (!vectorIndex) {
     console.warn(
       "Streaming requested but vector index not ready. Attempting init.",
     );
     await initWorker();
-    if (!vectorIndex) {
+    if (!vectorIndex || initializationFailed) {
       self.postMessage({
         type: "progress",
         data: {
-          status: "error",
+          status: "complete",
           message:
-            "Vector index not available for streaming after init attempt.",
+            "Vector index not available - using text search only",
         },
       });
       return;
@@ -306,18 +343,29 @@ async function endStreamingSession() {
 async function processItems(items: IndexItem[], signal: AbortSignal) {
   console.debug("Worker received process request.");
 
+  if (initializationFailed || isFirefoxWorker()) {
+    self.postMessage({
+      type: "progress",
+      data: {
+        status: "complete",
+        message: "Vector search not available - using text search only",
+      },
+    });
+    return;
+  }
+
   if (!vectorIndex) {
     console.warn(
       "Processing requested but vector index not ready. Attempting init.",
     );
     await initWorker();
-    if (!vectorIndex) {
+    if (!vectorIndex || initializationFailed) {
       self.postMessage({
         type: "progress",
         data: {
-          status: "error",
+          status: "complete",
           message:
-            "Vector index not available for processing after init attempt.",
+            "Vector index not available - using text search only",
         },
       });
       return;

src/plugins/built-in/globalSearch/src/indexing/worker/vectorWorkerManager.ts

@@ -1,5 +1,6 @@
 import { refreshVectorCache } from "../../search/vector/vectorSearch";
 import type { IndexItem } from "../types";
+import { isVectorSearchSupported } from "../../utils/browserDetection";
 import vectorWorker from "./vectorWorker.ts?inlineWorker";
 
 export type ProgressCallback = (data: {
@@ -42,6 +43,13 @@ export class VectorWorkerManager {
   }
 
   private async initWorker(): Promise<void> {
+    // Skip initialization if vector search is not supported (e.g., Firefox)
+    if (!isVectorSearchSupported()) {
+      console.debug("[VectorWorkerManager] Vector search not supported - skipping worker initialization");
+      this.isInitialized = false;
+      return Promise.resolve();
+    }
+
     if (this.isInitialized) return Promise.resolve();
     if (this.readyPromise) return this.readyPromise;
 
@@ -234,6 +242,17 @@ export class VectorWorkerManager {
   }
 
   async processItems(items: IndexItem[], onProgress?: ProgressCallback) {
+    // Skip if vector search is not supported
+    if (!isVectorSearchSupported()) {
+      if (onProgress) {
+        onProgress({
+          status: "complete",
+          message: "Vector search not available - using text search only"
+        });
+      }
+      return;
+    }
+
     // Only initialize worker if we actually have items to process
     if (items.length === 0) {
       if (onProgress) {
@@ -298,6 +317,18 @@ export class VectorWorkerManager {
     batchSize: number = 10,
     jobId?: string,
   ): Promise<void> {
+    // Skip if vector search is not supported
+    if (!isVectorSearchSupported()) {
+      console.debug("[VectorWorker] Vector search not supported - skipping streaming session");
+      if (onProgress) {
+        onProgress({
+          status: "complete",
+          message: "Vector search not available - using text search only",
+        });
+      }
+      return;
+    }
+
     // Only initialize if we expect items to process
     if (totalExpectedItems === 0) {
       console.debug("[VectorWorker] No items expected, not starting streaming session");

src/plugins/built-in/globalSearch/src/search/vector/vectorSearch.ts

@@ -1,16 +1,36 @@
 import { EmbeddingIndex, getEmbedding, initializeModel } from "embeddia";
 import type { IndexItem } from "../../indexing/types";
 import type { SearchResult } from "embeddia";
+import { isVectorSearchSupported } from "../../utils/browserDetection";
 
 let vectorIndex: EmbeddingIndex | null = null;
+let initializationAttempted = false;
+let initializationFailed = false;
 
 export async function initVectorSearch() {
+  // Skip initialization if already attempted and failed, or if not supported
+  if (initializationFailed || !isVectorSearchSupported()) {
+    if (!isVectorSearchSupported()) {
+      console.debug("[Vector Search] Vector search not supported in Firefox - using text search only");
+    }
+    return;
+  }
+
+  if (initializationAttempted) {
+    return;
+  }
+
+  initializationAttempted = true;
+
   try {
     await initializeModel();
     vectorIndex = new EmbeddingIndex([]);
     vectorIndex.preloadIndexedDB();
+    console.debug("[Vector Search] Initialized successfully");
   } catch (e) {
-    console.error("Error initializing vector search", e);
+    console.warn("[Vector Search] Failed to initialize vector search (will use text search only):", e);
+    initializationFailed = true;
+    vectorIndex = null;
   }
 }
 
@@ -44,7 +64,17 @@ export async function searchVectors(
   query: string,
   topK: number = 20,
 ): Promise<VectorSearchResult[]> {
-  if (!vectorIndex) await initVectorSearch();
+  // Return empty array if vector search is not supported or failed to initialize
+  if (!isVectorSearchSupported() || initializationFailed) {
+    return [];
+  }
+
+  if (!vectorIndex) {
+    await initVectorSearch();
+    if (!vectorIndex) {
+      return [];
+    }
+  }
 
   // Normalize query for caching
   const normalizedQuery = query.trim().toLowerCase().slice(0, 100);
@@ -84,7 +114,20 @@ export async function searchVectors(
 }
 
 export async function refreshVectorCache() {
-  if (!vectorIndex) await initVectorSearch();
-  vectorIndex!.clearIndexedDBCache();
-  vectorIndex!.preloadIndexedDB();
+  if (!isVectorSearchSupported() || initializationFailed) {
+    return;
+  }
+  
+  if (!vectorIndex) {
+    await initVectorSearch();
+  }
+  
+  if (vectorIndex) {
+    try {
+      vectorIndex.clearIndexedDBCache();
+      vectorIndex.preloadIndexedDB();
+    } catch (e) {
+      console.warn("[Vector Search] Failed to refresh cache:", e);
+    }
+  }
 }

src/plugins/built-in/globalSearch/src/utils/browserDetection.ts

@@ -0,0 +1,30 @@
+import browser from "webextension-polyfill";
+
+/**
+ * Detects if the current browser is Firefox
+ */
+export function isFirefox(): boolean {
+  try {
+    // Firefox-specific API
+    if (typeof (browser.runtime as any).getBrowserInfo === "function") {
+      return true;
+    }
+    // Fallback: check user agent
+    if (typeof navigator !== "undefined") {
+      return navigator.userAgent.toLowerCase().includes("firefox");
+    }
+    return false;
+  } catch {
+    // If we can't detect, assume not Firefox (safer for Chrome/Edge)
+    return false;
+  }
+}
+
+/**
+ * Checks if vector search is supported in the current browser
+ * Currently disabled for Firefox due to security restrictions
+ */
+export function isVectorSearchSupported(): boolean {
+  return !isFirefox();
+}
+