chore: pass empty filter to hatch run

Author: zhaotai

.github/workflows/check-regeneration.yml

@@ -41,7 +41,9 @@ jobs:
       uses: astral-sh/setup-uv@v3
 
     - name: Run Python checks
-      run: uv run hatch run all-check
+      # Passing an explicit empty filter avoids Click's sentinel default in newer releases
+      # breaking Hatch's JSON parsing.
+      run: uv run hatch run --filter '{}' all-check
       working-directory: test-proj
 
   check-ui:
@@ -62,8 +64,7 @@ jobs:
     - name: Activate pnpm version
       working-directory: test-proj/ui
       run: corepack prepare --activate
-
 
     - name: Run UI checks
       run: pnpm run all-check
-      working-directory: test-proj/ui 
+      working-directory: test-proj/ui