fix(ci): set OAUTH_STORAGE_PATH for CI runner

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.github/workflows/ci.yml

@@ -34,10 +34,16 @@ jobs:
         run: pip install -e ".[dev]"
 
       - name: Run tests
+        env:
+          OAUTH_STORAGE_PATH: ${{ runner.temp }}/oauth-test-data
+          MASTER_API_KEY: test-master-key-for-ci
         run: pytest tests/ -v --tb=short
 
       - name: Run tests with coverage
         if: matrix.python-version == '3.12'
+        env:
+          OAUTH_STORAGE_PATH: ${{ runner.temp }}/oauth-test-data
+          MASTER_API_KEY: test-master-key-for-ci
         run: pytest tests/ --cov=core --cov=plugins --cov-report=xml --cov-report=term-missing -q
 
       - name: Upload coverage