feat(contracts): shared socket namespaces, tab flags, cutover docs, README
- shared/realtime.ts: add SOCKET_NAMESPACES constants (/trading, /admin, root)
- shared/feature-flags.ts: add tabs.marketplace and tabs.membership to
TradingFeatureFlagsResponse; add FEATURE_FLAG_KEYS constants
- .env.example: remove /api suffix from VITE/NEXT_PUBLIC trading URL vars
(web appends /api itself); add tab visibility flag vars with comments
- web: add useTabFeatureFlags hook + DOM test; wire tab visibility into App.tsx
- web/vite.config.ts: finalize build config
- mobile/providers/TradingDataProvider.tsx: deriveSocketParams for proxy-safe
socket origin/path resolution (already landed upstream, conflict resolved)
- docs: add CUTOVER_WEB.md, CUTOVER_MOBILE.md checklists; update OPERATIONS.md
with Docker commands and resolved gap log; update ROADMAP.md to Done;
add BACKEND_AUDIT_SCHEMA.md, BACKEND_API_DEPRECATION.md, CONVENTIONS.md;
add audit-events container entry to AZURE_INFRASTRUCTURE.md
- README.md: full rewrite with workspace table, arch summary, env var reference
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Saravana Achu Mac
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