diff --git a/src/db-sql/migration.ts b/src/db-sql/migration.ts
index 50faeef5..25f345b4 100644
--- a/src/db-sql/migration.ts
+++ b/src/db-sql/migration.ts
@@ -129,7 +129,7 @@ export async function registerMigrations(): Promise<void> {
 export async function runMigrations(
   sqlExec: (
     sql: string,
-    params?: SqlValue[],
+    params?: unknown[],
   ) => Promise<Array<QueryExecResult>>,
 ): Promise<void> {
   await registerMigrations();
diff --git a/src/interfaces/absurd-sql.d.ts b/src/interfaces/absurd-sql.d.ts
index e113fe75..b1534f8d 100644
--- a/src/interfaces/absurd-sql.d.ts
+++ b/src/interfaces/absurd-sql.d.ts
@@ -13,10 +13,10 @@ declare module "@jlongster/sql.js" {
   }
 
   interface AbsurdSqlDatabase {
-    exec: (sql: string, params?: SqlValue[]) => Promise<QueryExecResult[]>;
+    exec: (sql: string, params?: unknown[]) => Promise<QueryExecResult[]>;
     run: (
       sql: string,
-      params?: SqlValue[],
+      params?: unknown[],
     ) => Promise<{ changes: number; lastId?: number }>;
   }
 
@@ -49,7 +49,7 @@ declare module "absurd-sql/dist/indexeddb-main-thread" {
   }
 
   export interface SQLiteDatabase {
-    exec: (sql: string, params?: SqlValue[]) => Promise<QueryExecResult[]>;
+    exec: (sql: string, params?: unknown[]) => Promise<QueryExecResult[]>;
     close: () => Promise<void>;
   }
 
diff --git a/src/services/AbsurdSqlDatabaseService.ts b/src/services/AbsurdSqlDatabaseService.ts
index 7c03bf64..99d42fec 100644
--- a/src/services/AbsurdSqlDatabaseService.ts
+++ b/src/services/AbsurdSqlDatabaseService.ts
@@ -1,4 +1,3 @@
-// Remove inline declarations since they are now in src/types/absurd-sql.d.ts
 import initSqlJs from "@jlongster/sql.js";
 import { SQLiteFS } from "absurd-sql";
 import IndexedDBBackend from "absurd-sql/dist/indexeddb-backend";
diff --git a/src/services/QRScanner/CapacitorQRScanner.ts b/src/services/QRScanner/CapacitorQRScanner.ts
index dc5a1f0b..15cfad1b 100644
--- a/src/services/QRScanner/CapacitorQRScanner.ts
+++ b/src/services/QRScanner/CapacitorQRScanner.ts
@@ -4,7 +4,7 @@ import {
   StartScanOptions,
   LensFacing,
 } from "@capacitor-mlkit/barcode-scanning";
-import { QRScannerService, ScanListener, QRScannerOptions } from "./types";
+import { QRScannerService, ScanListener, QRScannerOptions, CameraStateListener, CameraState } from "./types";
 import { logger } from "@/utils/logger";
 
 export class CapacitorQRScanner implements QRScannerService {
@@ -12,6 +12,9 @@ export class CapacitorQRScanner implements QRScannerService {
   private isScanning = false;
   private listenerHandles: Array<() => Promise<void>> = [];
   private cleanupPromise: Promise<void> | null = null;
+  private cameraStateListeners: Set<CameraStateListener> = new Set();
+  private currentState: CameraState = "off";
+  private currentStateMessage?: string;
 
   async checkPermissions(): Promise<boolean> {
     try {
@@ -79,8 +82,11 @@ export class CapacitorQRScanner implements QRScannerService {
     }
 
     try {
+      this.updateCameraState("initializing", "Starting camera...");
+
       // Ensure we have permissions before starting
       if (!(await this.checkPermissions())) {
+        this.updateCameraState("permission_denied", "Camera permission denied");
         logger.debug("Requesting camera permissions");
         const granted = await this.requestPermissions();
         if (!granted) {
@@ -90,11 +96,13 @@ export class CapacitorQRScanner implements QRScannerService {
 
       // Check if scanning is supported
       if (!(await this.isSupported())) {
+        this.updateCameraState("error", "QR scanning not supported on this device");
         throw new Error("QR scanning not supported on this device");
       }
 
       logger.info("Starting MLKit scanner");
       this.isScanning = true;
+      this.updateCameraState("active", "Camera is active");
 
       const scanOptions: StartScanOptions = {
         formats: [BarcodeFormat.QrCode],
@@ -126,6 +134,7 @@ export class CapacitorQRScanner implements QRScannerService {
         stack: wrappedError.stack,
       });
       this.isScanning = false;
+      this.updateCameraState("error", wrappedError.message);
       await this.cleanup();
       this.scanListener?.onError?.(wrappedError);
       throw wrappedError;
@@ -140,6 +149,7 @@ export class CapacitorQRScanner implements QRScannerService {
 
     try {
       logger.debug("Stopping QR scanner");
+      this.updateCameraState("off", "Camera stopped");
       await BarcodeScanner.stopScan();
       logger.info("QR scanner stopped successfully");
     } catch (error) {
@@ -149,6 +159,7 @@ export class CapacitorQRScanner implements QRScannerService {
         error: wrappedError.message,
         stack: wrappedError.stack,
       });
+      this.updateCameraState("error", wrappedError.message);
       this.scanListener?.onError?.(wrappedError);
       throw wrappedError;
     } finally {
@@ -207,4 +218,23 @@ export class CapacitorQRScanner implements QRScannerService {
     // No-op for native scanner
     callback(null);
   }
+
+  addCameraStateListener(listener: CameraStateListener): void {
+    this.cameraStateListeners.add(listener);
+    // Immediately notify the new listener of current state
+    listener.onStateChange(this.currentState, this.currentStateMessage);
+  }
+
+  removeCameraStateListener(listener: CameraStateListener): void {
+    this.cameraStateListeners.delete(listener);
+  }
+
+  private updateCameraState(state: CameraState, message?: string): void {
+    this.currentState = state;
+    this.currentStateMessage = message;
+    // Notify all listeners of state change
+    for (const listener of this.cameraStateListeners) {
+      listener.onStateChange(state, message);
+    }
+  }
 }
diff --git a/tsconfig.electron.json b/tsconfig.electron.json
index a2277a1c..73aec38b 100644
--- a/tsconfig.electron.json
+++ b/tsconfig.electron.json
@@ -19,8 +19,9 @@
     }
   },
   "include": [
-    "src/electron/**/*.ts",
-    "src/utils/**/*.ts",
-    "src/constants/**/*.ts"
+    "src/**/*.ts",
+    "src/**/*.d.ts",
+    "src/**/*.tsx",
+    "src/**/*.vue"
   ]
 } 
\ No newline at end of file