fix(frontend): copy widgets locally for Vercel deployment

fix: resolve CI/CD integration test failures in PatternMemory, FailureMemory, and DecisionEngine

fix(test): correct retry logic in frontend test and add postgres service to ci

chore: add ESLint config for matrix-frontend

fix: esbuild Docker build + email:new EventType for HuggingFace deployment

feat: add email inbox hook and dynamic API URLs for cloud deployment

fix: remove undefined width/height from useEffect dependency array

fix: add missing Target/Video imports and threatIntel dataSource

fix: add all missing lucide-react icon imports in Widgets.tsx

fix: add missing Bug icon import and remove duplicate widget exports

feat: add Vercel deployment config for frontend

fix: sql.js Docker/Alpine compatibility layer for PatternMemory and FailureMemory