first commit

app/chrome-extension/entrypoints/background/index.ts

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+import { initNativeHostListener } from './native-host';
+import {
+  initSemanticSimilarityListener,
+  initializeSemanticEngineIfCached,
+} from './semantic-similarity';
+import { initStorageManagerListener } from './storage-manager';
+import { cleanupModelCache } from '@/utils/semantic-similarity-engine';
+
+/**
+ * Background script entry point
+ * Initializes all background services and listeners
+ */
+export default defineBackground(() => {
+  // Initialize core services
+  initNativeHostListener();
+  initSemanticSimilarityListener();
+  initStorageManagerListener();
+
+  // Conditionally initialize semantic similarity engine if model cache exists
+  initializeSemanticEngineIfCached()
+    .then((initialized) => {
+      if (initialized) {
+        console.log('Background: Semantic similarity engine initialized from cache');
+      } else {
+        console.log(
+          'Background: Semantic similarity engine initialization skipped (no cache found)',
+        );
+      }
+    })
+    .catch((error) => {
+      console.warn('Background: Failed to conditionally initialize semantic engine:', error);
+    });
+
+  // Initial cleanup on startup
+  cleanupModelCache().catch((error) => {
+    console.warn('Background: Initial cache cleanup failed:', error);
+  });
+});