Update optimize wave3 (need update wave 4 to wave 8)

AINative_OKR_CASAN5/.gitignore

@@ -0,0 +1,69 @@
+# Dependencies
+node_modules/
+backend/node_modules/
+frontend/node_modules/
+
+# Build outputs
+dist/
+backend/dist/
+frontend/dist/
+frontend/.vite/
+frontend/node_modules/.vite/
+
+# Local environment and secrets
+.env
+.env.*
+!.env.example
+backend/.env
+frontend/.env
+**/.env
+**/.env.*
+*.pem
+*.key
+*.crt
+*.p12
+*.pfx
+
+# Local databases and Prisma runtime files
+*.db
+*.db-journal
+*.sqlite
+*.sqlite3
+backend/prisma/*.db
+backend/prisma/*.db-journal
+
+# Logs and runtime traces
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+.specify/logs/tmp/
+.specify/logs/trace/
+.specify/logs/idempotency/
+.specify/logs/level5/rollback-backups/
+
+# Python / script cache
+__pycache__/
+*.py[cod]
+.pytest_cache/
+
+# Test and coverage output
+coverage/
+.nyc_output/
+test-results/
+playwright-report/
+
+# OS/editor files
+.DS_Store
+Thumbs.db
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# Local scratch files
+o6.txt
+o7.txt
+t6.txt
+t7.txt