prepare fastapi root layout for server deployment

app/api/knowledge.py

@@ -0,0 +1,24 @@
+from fastapi import APIRouter, Depends, Query
+from sqlalchemy.orm import Session
+
+from app.core.response import ApiResponse, ok
+from app.core.user_context import UserContext, get_user_context
+from app.db.session import get_db
+from app.schemas.knowledge import KnowledgeSearchResponse
+from app.services.knowledge_service import KnowledgeService
+
+router = APIRouter()
+
+
+@router.get("/search", response_model=ApiResponse[KnowledgeSearchResponse])
+def search_knowledge(
+    _: UserContext = Depends(get_user_context),
+    db: Session = Depends(get_db),
+    department_id: int = Query(...),
+    training_type: str = Query(...),
+    q: str = Query(default=""),
+):
+    """知识检索：按科室、训练类别和关键词检索评分参考指南。"""
+    keywords = [item.strip() for item in q.split(",") if item.strip()]
+    result = KnowledgeService(db).search_guidelines(department_id, training_type, keywords)
+    return ok(KnowledgeSearchResponse(**result))