fix: copy .env.example to .env in CI for config-app tests

Instead of tracking .env directly, add .env.example with safe defaults
and copy it in the CI workflow before running tests. This follows the
standard convention — .env stays gitignored, .env.example is the
committed template.

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

Author: tmgbedu

.github/workflows/test.yml

@@ -44,6 +44,10 @@ jobs:
                 working-directory: example/config-app
                 run: uv sync
 
+            -   name: Copy .env.example to .env (config-app)
+                working-directory: example/config-app
+                run: cp .env.example .env
+
             -   name: Run tests (config-app)
                 working-directory: example/config-app
                 run: uv run pytest tests/ -v

.gitignore

@@ -6,7 +6,6 @@
 **/*.sqlite3
 **/*.log
 **/.env
-!example/**/.env
 **/*.sqlite
 **/*.vite
 fastapi_startkit/dist