ci: minimal workflow to isolate startup_failure

.github/workflows/ci.yml

@@ -1,54 +1,11 @@
 name: CI
-
 on:
   push:
     branches: ["main"]
   pull_request:
     branches: ["main"]
-
-permissions:
-  contents: read
-
 jobs:
-  compile:
-    # Byte-compile every first-party .py to catch syntax errors. No deps.
+  hello:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
-        with:
-          python-version: "3.11"
-      - name: py_compile first-party sources
-        run: |
-          git ls-files '*.py' | grep -vE '^(yt_dlp|spotify_dl)/' | xargs python -m py_compile
-          echo "All first-party sources compile."
-
-  unit:
-    # Pure-logic tests; tested modules guard heavy deps, so only pytest needed.
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
-        with:
-          python-version: "3.11"
-      - name: Install test deps
-        run: |
-          python -m pip install --upgrade pip
-          pip install pytest
-      - name: Run unit tests
-        run: pytest tests/unit -v
-
-  integration:
-    # Boot the Flask services and assert the X-Conjurer-Api-Key auth contract.
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
-        with:
-          python-version: "3.11"
-      - name: Install service deps
-        run: |
-          python -m pip install --upgrade pip
-          pip install pytest flask waitress requests
-      - name: Run integration tests
-        run: pytest tests/integration -v
+      - run: echo "hello"