ci: add checkout and verification steps to test workflows

- Added actions/checkout@v4 step to cli-level1-tests.yml test and test-summary jobs
- Added actions/checkout@v4 and repository verification steps to test.yml
- Verification includes pwd, ls -la, and package.json check
- Ensures repository context is available before workflow execution

.gitea/workflows/cli-level1-tests.yml

@@ -24,6 +24,8 @@ jobs:
         python-version: [3.13.5]
     
     steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
     - name: Checkout code
       uses: actions/checkout@v6
       
@@ -134,6 +136,8 @@ jobs:
     if: always()
     
     steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
     - name: Download all artifacts
       uses: actions/download-artifact@v8