feat(dms): fix upload response_model, add content_hash migration, storage settings tab, roadmap external storage

app/plugins/builtins/dms/migrations/0001_initial.sql

@@ -28,3 +28,6 @@ CREATE TABLE IF NOT EXISTS files (
 CREATE INDEX IF NOT EXISTS ix_files_folder ON files(folder_id);
 CREATE INDEX IF NOT EXISTS ix_files_tenant ON files(tenant_id);
 CREATE INDEX IF NOT EXISTS ix_files_name ON files(name);
+
+-- Add content_hash column for deduplication
+ALTER TABLE files ADD COLUMN IF NOT EXISTS content_hash VARCHAR(64);

app/plugins/builtins/dms/routes.py

@@ -498,7 +498,7 @@ async def delete_folder(
 # ─── Files ───
 
 
-@router.post("/files/upload", status_code=status.HTTP_201_CREATED, response_model=None, dependencies=[Depends(require_permission("dms:write"))])
+@router.post("/files/upload", status_code=status.HTTP_201_CREATED, response_model=FileMetadataResponse, dependencies=[Depends(require_permission("dms:write"))])
 async def upload_file(
     file: UploadFile = File(...),
     folder_id: str | None = Form(None),