Fix Docker Compose CORS issues with nginx API proxying (#793)

* Changes from fix/docker-compose-cors-error

* Update apps/server/src/index.ts

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* Fix: Delete Worktree Crash + PR Comments + Dev Server UX Improvements (#792)

* Changes from fix/delete-worktree-hotifx

* fix: Improve bot detection and prevent UI overflow issues

- Include GitHub app-initiated comments in bot detection
- Wrap handleQuickCreateSession with useCallback to fix dependency issues
- Truncate long branch names in agent header to prevent layout overflow

* feat: Support GitHub App comments in PR review and fix session filtering

* feat: Return invalidation result from delete session handler

* fix: Improve CORS origin validation to handle wildcard correctly

* fix: Correct IPv6 localhost parsing and improve responsive UI layouts

* Changes from fix/pwa-cache-fix (#794)

* fix: Add type checking to prevent crashes from malformed cache entries

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Dockerfile

@@ -209,9 +209,10 @@ COPY libs ./libs
 COPY apps/ui ./apps/ui
 
 # Build packages in dependency order, then build UI
-# VITE_SERVER_URL tells the UI where to find the API server
-# Use ARG to allow overriding at build time: --build-arg VITE_SERVER_URL=http://api.example.com
-ARG VITE_SERVER_URL=http://localhost:3008
+# When VITE_SERVER_URL is empty, the UI uses relative URLs (e.g., /api/...) which nginx proxies
+# to the server container. This avoids CORS issues entirely in Docker Compose setups.
+# Override at build time if needed: --build-arg VITE_SERVER_URL=http://api.example.com
+ARG VITE_SERVER_URL=
 ENV VITE_SKIP_ELECTRON=true
 ENV VITE_SERVER_URL=${VITE_SERVER_URL}
 RUN npm run build:packages && npm run build --workspace=apps/ui