refactor: split virtual fs mapping and search modules

domain/virtual_fs/search/search_api.py

@@ -0,0 +1,26 @@
+from fastapi import APIRouter, Depends, Query
+
+from domain.auth.service import get_current_active_user
+from domain.auth.types import User
+from domain.virtual_fs.search.search_service import VirtualFSSearchService
+
+router = APIRouter(prefix="/api/fs/search", tags=["search"])
+
+
+@router.get("")
+async def search_files(
+    q: str = Query(..., description="搜索查询"),
+    top_k: int = Query(10, description="返回结果数量"),
+    mode: str = Query("vector", description="搜索模式: 'vector' 或 'filename'"),
+    page: int = Query(1, description="分页页码，仅在文件名搜索模式下生效"),
+    page_size: int = Query(10, description="分页大小，仅在文件名搜索模式下生效"),
+    user: User = Depends(get_current_active_user),
+):
+    if not q.strip():
+        return {"items": [], "query": q}
+
+    top_k = max(top_k, 1)
+    page = max(page, 1)
+    page_size = max(min(page_size, 100), 1)
+
+    return await VirtualFSSearchService.search(q, top_k, mode, page, page_size)