fix: improve error handling in photo upload

- Add proper unknown type for error handling in PhotoDialog
- Remove any type in favor of unknown for better type safety
- Fix error message access with type guards

src/services/platforms/CapacitorPlatformService.ts

@@ -1,8 +1,6 @@
 import { ImageResult, PlatformService } from "../PlatformService";
-import { Capacitor } from "@capacitor/core";
 import { Filesystem, Directory } from "@capacitor/filesystem";
 import { Camera, CameraResultType, CameraSource } from "@capacitor/camera";
-import { App } from "@capacitor/app";
 import { logger } from "../../utils/logger";
 
 export class CapacitorPlatformService implements PlatformService {
@@ -113,7 +111,7 @@ export class CapacitorPlatformService implements PlatformService {
     return false;
   }
 
-  async handleDeepLink(url: string): Promise<void> {
+  async handleDeepLink(_url: string): Promise<void> {
     // Capacitor handles deep links automatically
     // This is just a placeholder for the interface
     return Promise.resolve();