Remove GitHub Actions CI — validate locally with app.sh validate

CI ran on every push and generated failure emails. For a single-developer
project, local validation is sufficient and less noisy.

.github/workflows/ci.yml

@@ -1,79 +0,0 @@
-name: CI
-
-on:
-  push:
-    branches: [master]
-  pull_request:
-    branches: [master]
-
-permissions:
-  contents: read
-
-jobs:
-  lint:
-    name: Lint & Type Check
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: actions/setup-python@v5
-        with:
-          python-version: "3.11"
-
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install -e ".[dev]"
-
-      - name: Ruff check
-        run: ruff check src/ tests/ scripts/
-
-      - name: Ruff format check
-        run: ruff format --check src/ tests/ scripts/
-
-      - name: Mypy
-        run: mypy src/autoresearch_quantum/
-
-  test:
-    name: Tests (Python ${{ matrix.python-version }})
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: ["3.11", "3.12"]
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.python-version }}
-
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install -e ".[dev,notebooks]"
-
-      - name: Run unit tests
-        run: pytest tests/ -k "not test_notebook_executes and not test_browser" -v --tb=short
-
-      - name: Run notebook structure tests
-        run: pytest tests/test_notebooks.py tests/test_pedagogy.py -k "not test_notebook_executes" -v --tb=short
-
-  notebook-execution:
-    name: Notebook Execution
-    runs-on: ubuntu-latest
-    timeout-minutes: 30
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: actions/setup-python@v5
-        with:
-          python-version: "3.11"
-
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install -e ".[dev,notebooks]"
-          python -m ipykernel install --user --name python3
-
-      - name: Run notebook execution tests
-        run: pytest tests/test_notebooks.py -k "test_notebook_executes" -v --tb=short -x

.gitignore

@@ -45,3 +45,4 @@ paper/*.synctex.gz
 # Build artifacts
 dist/
 build/
+uv.lock

README.md

@@ -89,7 +89,6 @@ autoresearch-quantum/
 │   ├── test_persistence.py     JSON store round-trips
 │   ├── test_scoring.py         Score function correctness
 │   └── test_teaching.py        Assessment widget & tracker tests
-├── .github/workflows/ci.yml    CI: lint, type check, test matrix, notebook execution
 ├── .pre-commit-config.yaml     Ruff, mypy, nbstripout, hygiene hooks
 ├── THE_STORY.md                Narrative documentation (system design)
 ├── pyproject.toml              Build config, dependencies, tool settings
@@ -411,14 +410,6 @@ All three run automatically as **pre-commit hooks** (`.pre-commit-config.yaml`).
 .venv/bin/pre-commit install
 ```
 
-### CI/CD
-
-The GitHub Actions pipeline (`.github/workflows/ci.yml`) runs on every push and PR:
-
-1. **Lint job** --- ruff check, ruff format --check, mypy strict (Python 3.11)
-2. **Test job** --- full test suite on Python 3.11 and 3.12 matrix
-3. **Notebook execution job** --- runs all 12 notebooks end-to-end via nbclient
-
 ## Extending The Ladder
 
 The intended progression is:

THE_STORY.md

@@ -478,8 +478,8 @@ quality invariants across all content notebooks:
 - All four plans collectively cover core concepts (stabiliser, magic, witness, ratchet)
 
 These tests catch pedagogical regressions the same way unit tests catch code
-regressions. Adding a new notebook or modifying an existing one will fail CI
-if it violates these invariants.
+regressions. Adding a new notebook or modifying an existing one will fail
+validation (`app.sh validate`) if it violates these invariants.
 
 
 ---
@@ -629,7 +629,6 @@ autoresearch-quantum/
     test_scoring.py        Score functions
     test_teaching.py       Assessment widgets & tracker
 
-  .github/workflows/ci.yml  CI: lint, type check, test matrix, notebook execution
   .pre-commit-config.yaml   Ruff, mypy, nbstripout, hygiene hooks
 
   data/                    Output directory (created at runtime)