feat(qa): add rule-based consistency checker for MVP-β #14

backend/app/api/qa.py

@@ -0,0 +1,31 @@
+"""Quality Assurance API endpoints."""
+
+from fastapi import APIRouter, Depends
+from pydantic import BaseModel
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.api.schemas import ConsistencyResult
+from app.core.database import get_db
+from app.services.consistency import run_consistency_check
+
+router = APIRouter(prefix="/api", tags=["qa"])
+
+
+class ConsistencyCheckRequest(BaseModel):
+    project_id: int
+    ngram_n: int = 4
+    ngram_threshold: int = 3
+
+
+@router.post("/qa/check", response_model=list[ConsistencyResult])
+async def check_consistency(
+    body: ConsistencyCheckRequest,
+    db: AsyncSession = Depends(get_db),
+):
+    """Run rule-based consistency checks on a project."""
+    return await run_consistency_check(
+        db,
+        body.project_id,
+        ngram_n=body.ngram_n,
+        ngram_threshold=body.ngram_threshold,
+    )

backend/app/api/schemas.py

@@ -198,6 +198,19 @@ class LoreEntryOut(BaseModel):
     model_config = {"from_attributes": True}
 
 
+# --- Consistency Check ---
+
+class ConsistencyResult(BaseModel):
+    type: str
+    severity: str
+    confidence: float
+    source: str
+    message: str
+    evidence: list[str]
+    evidence_locations: list[str]
+    suggest_fix: str
+
+
 # --- KG ---
 
 class KGNodeOut(BaseModel):

backend/app/main.py

@@ -9,6 +9,7 @@
 from app.api.kg import router as kg_router
 from app.api.lorebook import router as lorebook_router
 from app.api.projects import router as projects_router
+from app.api.qa import router as qa_router
 from app.api.summary import router as summary_router
 
 
@@ -46,6 +47,7 @@ async def lifespan(app: FastAPI):
 app.include_router(summary_router)
 app.include_router(export_router)
 app.include_router(kg_router)
+app.include_router(qa_router)
 
 
 @app.get("/health")