chore: enhance .gitignore with comprehensive patterns

.gitignore

@@ -1,10 +1,51 @@
+# Dependencies
+node_modules/
+
+# Build output
+lib/
+es/
+dist/
+build/
+
+# Test & Coverage
+.nyc_output/
+coverage/
+
+# Cache
+.omni_cache/
+*.tsbuildinfo
+.eslintcache
+
+# Logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+
+# OS files
 .DS_Store
-node_modules
-.nyc_output
-.omni_cache
-coverage
-lib
+Thumbs.db
+
+# IDE / Editor
+.idea/
+.vscode/
+*.swp
+*.swo
+*.sublime-workspace
+*.sublime-project
 
+# Environment & Config
+.env
+.env.local
+.env.*.local
 omni.config.js
+
+# Package manager locks (optional, keep if needed)
 package-lock.json
-*.log
+
+# Temporary files
+*.tmp
+*.temp
+.tmp/
+.temp/