阶段4（上）：LangGraph、Function Calling、MCP（SDK 2.x）、Agent 评测与运维、Agent 设计专题；run_examples 设置 RUN_EXAMPLES=1

catalog.json

@@ -5,30 +5,34 @@
     {
       "stack": "agent-design",
       "domain": "ai",
-      "title": "Agent 设计：规划、上下文工程与多 Agent",
+      "title": "Agent 设计",
       "index": "topics/ai/agent-design/index.md",
-      "lessons": 0,
-      "scenarios": 0,
+      "lessons": 2,
+      "scenarios": 1,
       "interview_questions": {
-        "基础": 0,
-        "进阶": 0,
-        "场景题": 0
+        "基础": 3,
+        "进阶": 3,
+        "场景题": 2
       },
-      "examples": []
+      "examples": [
+        "topics/ai/agent-design/examples/agent-patterns"
+      ]
     },
     {
       "stack": "agent-ops",
       "domain": "ai",
-      "title": "Agent 记忆、评测与可观测性",
+      "title": "Agent 评测与运维",
       "index": "topics/ai/agent-ops/index.md",
-      "lessons": 0,
-      "scenarios": 0,
+      "lessons": 2,
+      "scenarios": 1,
       "interview_questions": {
-        "基础": 0,
-        "进阶": 0,
-        "场景题": 0
+        "基础": 3,
+        "进阶": 3,
+        "场景题": 2
       },
-      "examples": []
+      "examples": [
+        "topics/ai/agent-ops/examples/eval-gate"
+      ]
     },
     {
       "stack": "ai-coding",
@@ -49,14 +53,16 @@
       "domain": "ai",
       "title": "Function Calling 工具调用",
       "index": "topics/ai/function-calling/index.md",
-      "lessons": 0,
-      "scenarios": 0,
+      "lessons": 1,
+      "scenarios": 1,
       "interview_questions": {
-        "基础": 0,
-        "进阶": 0,
-        "场景题": 0
+        "基础": 3,
+        "进阶": 2,
+        "场景题": 2
       },
-      "examples": []
+      "examples": [
+        "topics/ai/function-calling/examples/tool-loop"
+      ]
     },
     {
       "stack": "langchain",
@@ -77,14 +83,16 @@
       "domain": "ai",
       "title": "LangGraph",
       "index": "topics/ai/langgraph/index.md",
-      "lessons": 0,
-      "scenarios": 0,
+      "lessons": 2,
+      "scenarios": 1,
       "interview_questions": {
-        "基础": 0,
-        "进阶": 0,
-        "场景题": 0
+        "基础": 3,
+        "进阶": 3,
+        "场景题": 2
       },
-      "examples": []
+      "examples": [
+        "topics/ai/langgraph/examples/ticket-flow"
+      ]
     },
     {
       "stack": "llm-serving",
@@ -119,14 +127,16 @@
       "domain": "ai",
       "title": "MCP 模型上下文协议",
       "index": "topics/ai/mcp/index.md",
-      "lessons": 0,
-      "scenarios": 0,
+      "lessons": 1,
+      "scenarios": 1,
       "interview_questions": {
-        "基础": 0,
-        "进阶": 0,
-        "场景题": 0
+        "基础": 3,
+        "进阶": 2,
+        "场景题": 2
       },
-      "examples": []
+      "examples": [
+        "topics/ai/mcp/examples/kb-server"
+      ]
     },
     {
       "stack": "prompt-engineering",
@@ -642,15 +652,65 @@
     }
   ],
   "items": [
+    {
+      "id": "ai.agent-design.context-skills-multiagent",
+      "title": "上下文工程、Skills、多 Agent 和 A2A",
+      "type": "lesson",
+      "domain": "ai",
+      "stack": [
+        "agent-design"
+      ],
+      "tags": [
+        "上下文工程",
+        "Context Engineering",
+        "Skills",
+        "多 Agent",
+        "Supervisor",
+        "Handoff",
+        "A2A"
+      ],
+      "level": "advanced",
+      "prerequisites": [
+        "ai.agent-design.react-planning"
+      ],
+      "related": [
+        "ai.prompt-engineering.index",
+        "ai.mcp.protocol-server",
+        "ai.ai-coding.index",
+        "ai.agent-design.interview"
+      ],
+      "est_hours": 3.5,
+      "week": [
+        11,
+        13
+      ],
+      "order": 2,
+      "path": "topics/ai/agent-design/02-context-skills-multiagent.md",
+      "sections": [
+        "解释说明",
+        "案例",
+        "代码示例",
+        "易错点",
+        "面试常问"
+      ]
+    },
     {
       "id": "ai.agent-design.index",
-      "title": "Agent 设计：规划、上下文工程与多 Agent",
+      "title": "Agent 设计",
       "type": "index",
       "domain": "ai",
       "stack": [
         "agent-design"
       ],
-      "tags": [],
+      "tags": [
+        "ReAct",
+        "规划",
+        "上下文工程",
+        "Skills",
+        "多 Agent",
+        "A2A",
+        "Agentic RAG"
+      ],
       "level": null,
       "prerequisites": [],
       "related": [],
@@ -662,17 +722,199 @@
       ],
       "order": null,
       "path": "topics/ai/agent-design/index.md",
-      "sections": []
+      "sections": [
+        "学习路线",
+        "企业场景",
+        "面试题",
+        "示例代码",
+        "在 16 周计划中",
+        "官方资料"
+      ]
+    },
+    {
+      "id": "ai.agent-design.interview",
+      "title": "Agent 设计面试题",
+      "type": "interview",
+      "domain": "ai",
+      "stack": [
+        "agent-design"
+      ],
+      "tags": [
+        "ReAct",
+        "规划",
+        "上下文工程",
+        "多 Agent",
+        "A2A",
+        "面试"
+      ],
+      "level": "advanced",
+      "prerequisites": [],
+      "related": [
+        "ai.agent-design.react-planning",
+        "ai.agent-design.context-skills-multiagent"
+      ],
+      "est_hours": null,
+      "week": [
+        11,
+        13,
+        16
+      ],
+      "order": null,
+      "path": "topics/ai/agent-design/interview.md",
+      "sections": [
+        "基础",
+        "进阶",
+        "场景题"
+      ],
+      "questions": {
+        "基础": 3,
+        "进阶": 3,
+        "场景题": 2
+      }
+    },
+    {
+      "id": "ai.agent-design.react-planning",
+      "title": "Agent 推理模式：ReAct、Plan-and-Execute、反思和 Agentic RAG",
+      "type": "lesson",
+      "domain": "ai",
+      "stack": [
+        "agent-design"
+      ],
+      "tags": [
+        "ReAct",
+        "Plan-and-Execute",
+        "规划",
+        "反思",
+        "Agentic RAG",
+        "工作流 vs Agent"
+      ],
+      "level": "intermediate",
+      "prerequisites": [
+        "ai.function-calling.tool-loop"
+      ],
+      "related": [
+        "ai.agent-design.context-skills-multiagent",
+        "ai.langgraph.state-graph",
+        "ai.agent-design.interview"
+      ],
+      "est_hours": 3,
+      "week": [
+        10,
+        11
+      ],
+      "order": 1,
+      "path": "topics/ai/agent-design/01-react-planning.md",
+      "sections": [
+        "解释说明",
+        "案例",
+        "代码示例",
+        "易错点",
+        "面试常问"
+      ]
+    },
+    {
+      "id": "ai.agent-design.scenario.report-agent",
+      "title": "运营报表 Agent：规划、只读 SQL 工具、结构化输出和任务进度",
+      "type": "scenario",
+      "domain": "ai",
+      "stack": [
+        "agent-design",
+        "langgraph",
+        "postgresql",
+        "fastapi"
+      ],
+      "tags": [
+        "报表 Agent",
+        "Text-to-SQL",
+        "规划",
+        "结构化输出",
+        "任务状态",
+        "流式进度"
+      ],
+      "level": "advanced",
+      "prerequisites": [
+        "ai.agent-design.react-planning"
+      ],
+      "related": [
+        "ai.agent-design.interview",
+        "ai.langgraph.persistence-hitl",
+        "ai.agent-ops.observability-cost"
+      ],
+      "est_hours": 3,
+      "week": [
+        11,
+        13
+      ],
+      "order": null,
+      "path": "topics/ai/agent-design/scenarios/report-agent.md",
+      "sections": [
+        "业务背景与问题",
+        "约束",
+        "方案设计",
+        "关键代码",
+        "取舍",
+        "易错点",
+        "面试怎么讲"
+      ]
+    },
+    {
+      "id": "ai.agent-ops.eval-quality-gate",
+      "title": "Agent 评测和质量门禁：评测集、打分方法、幻觉防护、Bad Case 分析",
+      "type": "lesson",
+      "domain": "ai",
+      "stack": [
+        "agent-ops"
+      ],
+      "tags": [
+        "Agent 评测",
+        "评测集",
+        "LLM-as-judge",
+        "幻觉",
+        "质量门禁",
+        "Bad Case",
+        "回归测试"
+      ],
+      "level": "advanced",
+      "prerequisites": [
+        "ai.rag.generation-eval",
+        "ai.function-calling.tool-loop"
+      ],
+      "related": [
+        "ai.agent-ops.observability-cost",
+        "ai.agent-ops.scenario.agent-quality-gate",
+        "ai.agent-ops.interview"
+      ],
+      "est_hours": 4,
+      "week": [
+        13
+      ],
+      "order": 1,
+      "path": "topics/ai/agent-ops/01-eval-quality-gate.md",
+      "sections": [
+        "解释说明",
+        "案例",
+        "代码示例",
+        "易错点",
+        "面试常问"
+      ]
     },
     {
       "id": "ai.agent-ops.index",
-      "title": "Agent 记忆、评测与可观测性",
+      "title": "Agent 评测与运维",
       "type": "index",
       "domain": "ai",
       "stack": [
         "agent-ops"
       ],
-      "tags": [],
+      "tags": [
+        "评测",
+        "质量门禁",
+        "幻觉防护",
+        "Bad Case",
+        "可观测性",
+        "成本",
+        "记忆"
+      ],
       "level": null,
       "prerequisites": [],
       "related": [],
@@ -683,7 +925,135 @@
       ],
       "order": null,
       "path": "topics/ai/agent-ops/index.md",
-      "sections": []
+      "sections": [
+        "学习路线",
+        "企业场景",
+        "面试题",
+        "示例代码",
+        "在 16 周计划中",
+        "官方资料"
+      ]
+    },
+    {
+      "id": "ai.agent-ops.interview",
+      "title": "Agent 评测与运维面试题",
+      "type": "interview",
+      "domain": "ai",
+      "stack": [
+        "agent-ops"
+      ],
+      "tags": [
+        "评测",
+        "幻觉",
+        "可观测性",
+        "成本",
+        "面试"
+      ],
+      "level": "advanced",
+      "prerequisites": [],
+      "related": [
+        "ai.agent-ops.eval-quality-gate",
+        "ai.agent-ops.observability-cost"
+      ],
+      "est_hours": null,
+      "week": [
+        13,
+        16
+      ],
+      "order": null,
+      "path": "topics/ai/agent-ops/interview.md",
+      "sections": [
+        "基础",
+        "进阶",
+        "场景题"
+      ],
+      "questions": {
+        "基础": 3,
+        "进阶": 3,
+        "场景题": 2
+      }
+    },
+    {
+      "id": "ai.agent-ops.observability-cost",
+      "title": "Agent 可观测性、成本和延迟：链路追踪、记忆管理、缓存和降级",
+      "type": "lesson",
+      "domain": "ai",
+      "stack": [
+        "agent-ops"
+      ],
+      "tags": [
+        "可观测性",
+        "链路追踪",
+        "OpenTelemetry",
+        "LangSmith",
+        "Langfuse",
+        "成本",
+        "延迟",
+        "记忆",
+        "缓存"
+      ],
+      "level": "advanced",
+      "prerequisites": [
+        "ai.agent-ops.eval-quality-gate"
+      ],
+      "related": [
+        "ai.llm-serving.index",
+        "ai.agent-ops.interview"
+      ],
+      "est_hours": 3,
+      "week": [
+        13
+      ],
+      "order": 2,
+      "path": "topics/ai/agent-ops/02-observability-cost.md",
+      "sections": [
+        "解释说明",
+        "案例",
+        "代码示例",
+        "易错点",
+        "面试常问"
+      ]
+    },
+    {
+      "id": "ai.agent-ops.scenario.agent-quality-gate",
+      "title": "客服 Agent 上线流程：评测集、质量门禁、灰度和线上 Bad Case 闭环",
+      "type": "scenario",
+      "domain": "ai",
+      "stack": [
+        "agent-ops",
+        "cicd",
+        "langgraph"
+      ],
+      "tags": [
+        "质量门禁",
+        "灰度发布",
+        "Bad Case",
+        "评测集",
+        "线上监控"
+      ],
+      "level": "advanced",
+      "prerequisites": [
+        "ai.agent-ops.eval-quality-gate"
+      ],
+      "related": [
+        "ai.agent-ops.interview",
+        "devops.cicd.release-rollback"
+      ],
+      "est_hours": 3,
+      "week": [
+        13
+      ],
+      "order": null,
+      "path": "topics/ai/agent-ops/scenarios/agent-quality-gate.md",
+      "sections": [
+        "业务背景与问题",
+        "约束",
+        "方案设计",
+        "关键代码",
+        "取舍",
+        "易错点",
+        "面试怎么讲"
+      ]
     },
     {
       "id": "ai.ai-coding.index",
@@ -716,7 +1086,11 @@
       "stack": [
         "function-calling"
       ],
-      "tags": [],
+      "tags": [
+        "Function Calling",
+        "Tool Calling",
+        "Agent"
+      ],
       "level": null,
       "prerequisites": [],
       "related": [],
@@ -726,7 +1100,130 @@
       ],
       "order": null,
       "path": "topics/ai/function-calling/index.md",
-      "sections": []
+      "sections": [
+        "学习路线",
+        "企业场景",
+        "面试题",
+        "示例代码",
+        "在 16 周计划中",
+        "官方资料"
+      ]
+    },
+    {
+      "id": "ai.function-calling.interview",
+      "title": "Function Calling 面试题",
+      "type": "interview",
+      "domain": "ai",
+      "stack": [
+        "function-calling"
+      ],
+      "tags": [
+        "Function Calling",
+        "工具调用",
+        "面试"
+      ],
+      "level": "intermediate",
+      "prerequisites": [],
+      "related": [
+        "ai.function-calling.tool-loop"
+      ],
+      "est_hours": null,
+      "week": [
+        10,
+        16
+      ],
+      "order": null,
+      "path": "topics/ai/function-calling/interview.md",
+      "sections": [
+        "基础",
+        "进阶",
+        "场景题"
+      ],
+      "questions": {
+        "基础": 3,
+        "进阶": 2,
+        "场景题": 2
+      }
+    },
+    {
+      "id": "ai.function-calling.scenario.safe-business-tools",
+      "title": "让 Agent 安全地调用内部业务接口：权限、确认、幂等和审计",
+      "type": "scenario",
+      "domain": "ai",
+      "stack": [
+        "function-calling",
+        "fastapi"
+      ],
+      "tags": [
+        "工具权限",
+        "人工确认",
+        "幂等",
+        "审计日志",
+        "限流",
+        "提示词注入"
+      ],
+      "level": "advanced",
+      "prerequisites": [
+        "ai.function-calling.tool-loop"
+      ],
+      "related": [
+        "ai.function-calling.interview",
+        "ai.prompt-engineering.index",
+        "ai.mcp.index"
+      ],
+      "est_hours": 2.5,
+      "week": [
+        10
+      ],
+      "order": null,
+      "path": "topics/ai/function-calling/scenarios/safe-business-tools.md",
+      "sections": [
+        "业务背景与问题",
+        "约束",
+        "方案设计",
+        "关键代码",
+        "取舍",
+        "易错点",
+        "面试怎么讲"
+      ]
+    },
+    {
+      "id": "ai.function-calling.tool-loop",
+      "title": "工具调用原理：工具定义、调用循环、参数校验、并行调用和错误回传",
+      "type": "lesson",
+      "domain": "ai",
+      "stack": [
+        "function-calling"
+      ],
+      "tags": [
+        "Function Calling",
+        "Tool Calling",
+        "JSON Schema",
+        "调用循环",
+        "参数校验"
+      ],
+      "level": "intermediate",
+      "prerequisites": [
+        "python.python.typing-errors-testing"
+      ],
+      "related": [
+        "ai.mcp.index",
+        "ai.langgraph.state-graph",
+        "ai.function-calling.interview"
+      ],
+      "est_hours": 3,
+      "week": [
+        10
+      ],
+      "order": 1,
+      "path": "topics/ai/function-calling/01-tool-loop.md",
+      "sections": [
+        "解释说明",
+        "案例",
+        "代码示例",
+        "易错点",
+        "面试常问"
+      ]
     },
     {
       "id": "ai.langchain.index",
@@ -757,7 +1254,12 @@
       "stack": [
         "langgraph"
       ],
-      "tags": [],
+      "tags": [
+        "LangGraph",
+        "状态图",
+        "检查点",
+        "人机协作"
+      ],
       "level": null,
       "prerequisites": [],
       "related": [],
@@ -768,7 +1270,175 @@
       ],
       "order": null,
       "path": "topics/ai/langgraph/index.md",
-      "sections": []
+      "sections": [
+        "学习路线",
+        "企业场景",
+        "面试题",
+        "示例代码",
+        "在 16 周计划中",
+        "官方资料"
+      ]
+    },
+    {
+      "id": "ai.langgraph.interview",
+      "title": "LangGraph 面试题",
+      "type": "interview",
+      "domain": "ai",
+      "stack": [
+        "langgraph"
+      ],
+      "tags": [
+        "LangGraph",
+        "检查点",
+        "人机协作",
+        "面试"
+      ],
+      "level": "intermediate",
+      "prerequisites": [],
+      "related": [
+        "ai.langgraph.state-graph",
+        "ai.langgraph.persistence-hitl"
+      ],
+      "est_hours": null,
+      "week": [
+        11,
+        12,
+        16
+      ],
+      "order": null,
+      "path": "topics/ai/langgraph/interview.md",
+      "sections": [
+        "基础",
+        "进阶",
+        "场景题"
+      ],
+      "questions": {
+        "基础": 3,
+        "进阶": 3,
+        "场景题": 2
+      }
+    },
+    {
+      "id": "ai.langgraph.persistence-hitl",
+      "title": "检查点、人机协作和异常恢复：checkpointer、interrupt、RetryPolicy、任务状态",
+      "type": "lesson",
+      "domain": "ai",
+      "stack": [
+        "langgraph"
+      ],
+      "tags": [
+        "checkpointer",
+        "thread_id",
+        "interrupt",
+        "Command",
+        "RetryPolicy",
+        "崩溃恢复",
+        "任务状态"
+      ],
+      "level": "advanced",
+      "prerequisites": [
+        "ai.langgraph.state-graph"
+      ],
+      "related": [
+        "ai.langgraph.scenario.refund-approval",
+        "ai.agent-ops.eval-quality-gate",
+        "ai.langgraph.interview"
+      ],
+      "est_hours": 4,
+      "week": [
+        12
+      ],
+      "order": 2,
+      "path": "topics/ai/langgraph/02-persistence-hitl.md",
+      "sections": [
+        "解释说明",
+        "案例",
+        "代码示例",
+        "易错点",
+        "面试常问"
+      ]
+    },
+    {
+      "id": "ai.langgraph.scenario.refund-approval",
+      "title": "退款工单 Agent：人工审批、任务状态和崩溃恢复",
+      "type": "scenario",
+      "domain": "ai",
+      "stack": [
+        "langgraph",
+        "fastapi",
+        "postgresql"
+      ],
+      "tags": [
+        "人机协作",
+        "审批流",
+        "任务状态",
+        "异常恢复",
+        "幂等",
+        "流式进度"
+      ],
+      "level": "advanced",
+      "prerequisites": [
+        "ai.langgraph.persistence-hitl"
+      ],
+      "related": [
+        "ai.langgraph.interview",
+        "ai.agent-ops.scenario.agent-quality-gate",
+        "backend.postgresql.scenario.order-state-audit"
+      ],
+      "est_hours": 3,
+      "week": [
+        12
+      ],
+      "order": null,
+      "path": "topics/ai/langgraph/scenarios/refund-approval.md",
+      "sections": [
+        "业务背景与问题",
+        "约束",
+        "方案设计",
+        "关键代码",
+        "取舍",
+        "易错点",
+        "面试怎么讲"
+      ]
+    },
+    {
+      "id": "ai.langgraph.state-graph",
+      "title": "LangGraph 状态图：状态、节点、边、条件路由和流式输出",
+      "type": "lesson",
+      "domain": "ai",
+      "stack": [
+        "langgraph"
+      ],
+      "tags": [
+        "LangGraph",
+        "StateGraph",
+        "reducer",
+        "条件边",
+        "流式输出",
+        "stream_mode"
+      ],
+      "level": "intermediate",
+      "prerequisites": [
+        "ai.function-calling.tool-loop"
+      ],
+      "related": [
+        "ai.langgraph.persistence-hitl",
+        "ai.agent-design.react-planning",
+        "ai.langgraph.interview"
+      ],
+      "est_hours": 3,
+      "week": [
+        11
+      ],
+      "order": 1,
+      "path": "topics/ai/langgraph/01-state-graph.md",
+      "sections": [
+        "解释说明",
+        "案例",
+        "代码示例",
+        "易错点",
+        "面试常问"
+      ]
     },
     {
       "id": "ai.llm-serving.index",
@@ -819,7 +1489,11 @@
       "stack": [
         "mcp"
       ],
-      "tags": [],
+      "tags": [
+        "MCP",
+        "工具",
+        "集成"
+      ],
       "level": null,
       "prerequisites": [],
       "related": [],
@@ -830,7 +1504,134 @@
       ],
       "order": null,
       "path": "topics/ai/mcp/index.md",
-      "sections": []
+      "sections": [
+        "学习路线",
+        "企业场景",
+        "面试题",
+        "示例代码",
+        "在 16 周计划中",
+        "官方资料"
+      ]
+    },
+    {
+      "id": "ai.mcp.interview",
+      "title": "MCP 面试题",
+      "type": "interview",
+      "domain": "ai",
+      "stack": [
+        "mcp"
+      ],
+      "tags": [
+        "MCP",
+        "面试"
+      ],
+      "level": "intermediate",
+      "prerequisites": [],
+      "related": [
+        "ai.mcp.protocol-server"
+      ],
+      "est_hours": null,
+      "week": [
+        10,
+        11,
+        16
+      ],
+      "order": null,
+      "path": "topics/ai/mcp/interview.md",
+      "sections": [
+        "基础",
+        "进阶",
+        "场景题"
+      ],
+      "questions": {
+        "基础": 3,
+        "进阶": 2,
+        "场景题": 2
+      }
+    },
+    {
+      "id": "ai.mcp.protocol-server",
+      "title": "MCP 协议和服务开发：tools / resources / prompts、传输方式、接入客户端",
+      "type": "lesson",
+      "domain": "ai",
+      "stack": [
+        "mcp"
+      ],
+      "tags": [
+        "MCP",
+        "Model Context Protocol",
+        "tools",
+        "resources",
+        "prompts",
+        "stdio",
+        "Streamable HTTP"
+      ],
+      "level": "intermediate",
+      "prerequisites": [
+        "ai.function-calling.tool-loop"
+      ],
+      "related": [
+        "ai.mcp.scenario.internal-tools-gateway",
+        "ai.ai-coding.index",
+        "ai.mcp.interview"
+      ],
+      "est_hours": 3,
+      "week": [
+        10,
+        11
+      ],
+      "order": 1,
+      "path": "topics/ai/mcp/01-protocol-server.md",
+      "sections": [
+        "解释说明",
+        "案例",
+        "代码示例",
+        "易错点",
+        "面试常问"
+      ]
+    },
+    {
+      "id": "ai.mcp.scenario.internal-tools-gateway",
+      "title": "企业内部 MCP 服务：统一接入、鉴权、审计和版本管理",
+      "type": "scenario",
+      "domain": "ai",
+      "stack": [
+        "mcp",
+        "fastapi",
+        "nginx"
+      ],
+      "tags": [
+        "MCP",
+        "企业集成",
+        "鉴权",
+        "审计",
+        "工具治理",
+        "Streamable HTTP"
+      ],
+      "level": "advanced",
+      "prerequisites": [
+        "ai.mcp.protocol-server"
+      ],
+      "related": [
+        "ai.function-calling.scenario.safe-business-tools",
+        "ai.mcp.interview"
+      ],
+      "est_hours": 2.5,
+      "week": [
+        10,
+        11
+      ],
+      "order": null,
+      "path": "topics/ai/mcp/scenarios/internal-tools-gateway.md",
+      "sections": [
+        "业务背景与问题",
+        "约束",
+        "方案设计",
+        "关键代码",
+        "取舍",
+        "易错点",
+        "面试怎么讲"
+      ]
     },
     {
       "id": "ai.prompt-engineering.index",