fix: GUI improvements and fixes

- Enable JSON module imports in TypeScript config to fix frontend version display
- Fix archive page showing '00' instead of '0' for empty photo counts
- Add null safety to archive photo count calculation
- Update email processor to reinitialize on config changes
- Add auto-retry for failed email transporter initialization

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

frontend/tsconfig.app.json

@@ -10,6 +10,7 @@
     /* Bundler mode */
     "moduleResolution": "bundler",
     "allowImportingTsExtensions": true,
+    "resolveJsonModule": true,
     "verbatimModuleSyntax": false,
     "moduleDetection": "force",
     "noEmit": true,