Fix all ESLint errors in mobile app (157 errors -> 0)

Major fixes:
- Replace `any` types with proper TypeScript types across all files
- Convert require() imports to ES module imports
- Add __DEV__ guards to console statements
- Escape special characters in JSX (' and ")
- Fix unused variables (prefix with _ or remove)
- Fix React hooks violations (useCallback, useMemo patterns)
- Convert wasm-crypto-shim.js to TypeScript
- Add eslint-disable comments for valid setState patterns

Files affected: 50+ screens, components, contexts, and services

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

mobile/src/lib/supabase.ts

@@ -75,7 +75,7 @@ export interface Notification {
   title: string;
   message: string;
   read: boolean;
-  metadata?: any;
+  metadata?: Record<string, unknown>;
   created_at: string;
 }