feat: persist isolated vector snapshots and exact retrieval

backend/app/main.py

@@ -8,7 +8,17 @@ from sqlalchemy import text
 from sqlalchemy.exc import IntegrityError, OperationalError, ProgrammingError
 from sqlalchemy.orm.exc import StaleDataError
 
-from app.api.routes import auth, chat, documents, health, indexes, knowledge, retrieval, sources
+from app.api.routes import (
+    auth,
+    chat,
+    documents,
+    health,
+    indexes,
+    knowledge,
+    retrieval,
+    sources,
+    vectors,
+)
 from app.core.config import settings
 from app.db.session import engine
 from app.services.auth import dummy_hash
@@ -21,7 +31,7 @@ def create_app(db_engine=engine) -> FastAPI:
         try:
             with db_engine.connect() as connection:
                 revision = connection.scalar(text("SELECT version_num FROM alembic_version"))
-                if revision != "0005_chunk_indexes":
+                if revision != "0006_vectors":
                     raise RuntimeError(
                         "数据库版本不匹配，请先在 backend 目录执行 alembic upgrade head"
                     )
@@ -36,7 +46,7 @@ def create_app(db_engine=engine) -> FastAPI:
         finally:
             db_engine.dispose()
 
-    app = FastAPI(title=settings.app_name, version="0.5.0", lifespan=lifespan)
+    app = FastAPI(title=settings.app_name, version="0.6.0", lifespan=lifespan)
     app.add_middleware(
         CORSMiddleware,
         allow_origins=settings.cors_origin_list,
@@ -48,6 +58,8 @@ def create_app(db_engine=engine) -> FastAPI:
         health.router,
         auth.router,
         indexes.router,
+        vectors.router,
+        vectors.retrieval_router,
         chat.router,
         knowledge.router,
         sources.router,