feat: Phase 1-3 全部完成 — 沙盒增强、学情分析、学习路径

.gitignore

@@ -0,0 +1,62 @@
+# Dependencies
+node_modules/
+*/node_modules/
+
+# Build outputs
+dist/
+*/dist/
+out/
+*/out/
+.next/
+*/.next/
+
+# Environment files
+.env
+.env.local
+.env.*.local
+backend/.env
+frontend/.env.local
+
+# Database
+*.db
+*.db-journal
+
+# Logs
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids/
+*.pid
+*.seed
+
+# Coverage
+coverage/
+*.lcov
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Certificates (keep template, ignore actual certs)
+backend/cert/key/*.pem
+backend/cert/key/*.p12
+backend/cert/key/*.txt
+
+# Temp files
+*.tmp
+*.temp
+
+# Playwright E2E test output
+test-results/
+playwright-report/