chore: remove subrepos from tracking, revert tsconfig.json

- Remove CLIProxyAPI, LLM-API-Key-Proxy, opencode, opencode-better-antigravity-auth from git tracking
- Add subrepo paths to .gitignore
- Revert tsconfig.json exclude changes to match main branch

.gitignore

@@ -39,3 +39,9 @@ antigravity-debug-*.log
 
 # Test artifacts
 test-file.ts
+
+# Local subrepos (not part of this project)
+CLIProxyAPI/
+LLM-API-Key-Proxy/
+opencode/
+opencode-better-antigravity-auth/

tsconfig.json

@@ -1,5 +1,4 @@
 {
-  "exclude": ["opencode-better-antigravity-auth", "CLIProxyAPI"],
   "compilerOptions": {
     // Environment setup & latest features
     "lib": ["ESNext", "DOM"],