build: migrate task runner from taskipy to camas

.camas/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

.githooks/pre-commit

@@ -2,4 +2,4 @@
 
 set -eo pipefail
 
-uv run task fix
+uv run camas --under 2s

.github/workflows/test.yaml

@@ -20,11 +20,7 @@ jobs:
 
       - uses: astral-sh/setup-uv@v8.1.0
 
-      - run: uv run --python ${{ matrix.python-version }} task lint
-
-      - run: uv run --python ${{ matrix.python-version }} task typecheck
-
-      - run: uv run --python ${{ matrix.python-version }} task test
+      - run: uv run --python ${{ matrix.python-version }} camas
 
       - run: uv build
 
@@ -130,7 +126,7 @@ jobs:
 
       - uses: astral-sh/setup-uv@v8.1.0
 
-      - run: uv run task coverage
+      - run: uv run camas coverage
 
   integration:
     name: integration (native_sim + qemu)
@@ -147,7 +143,7 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y --no-install-recommends qemu-system-arm libc6:i386
 
-      - run: uv run task test-integration
+      - run: uv run camas test-integration
 
       - name: Upload integration test logs
         if: always()

.mcp.json

@@ -0,0 +1,14 @@
+{
+  "mcpServers": {
+    "camas": {
+      "type": "stdio",
+      "command": "uv",
+      "args": [
+        "run",
+        "camas",
+        "mcp",
+        "--rich"
+      ]
+    }
+  }
+}

README.md

@@ -139,9 +139,11 @@ putting ~1.37× `buf_size` encoded bytes on the wire, across the buffer-size mat
 
 > Assumes that you've already [setup your development environment](#development-environment-setup).
 
+Tasks are defined in [`tasks.py`](tasks.py) and run with [camas](https://github.com/JPHutchins/camas) — the same definitions drive local development and CI, so running a task locally reproduces CI exactly. Run `uv run camas --list` to see every task.
+
 1. run `uv sync` when pulling in new changes
-2. run `uv run task fix` after making changes (fast)
-3. run `uv run task all` after making changes (thorough)
+2. run `uv run camas fix` after making changes (fast)
+3. run `uv run camas all` after making changes (thorough)
 4. add library dependencies with `uv`:
    ```
    uv add <my_new_dependency>
@@ -152,7 +154,7 @@ putting ~1.37× `buf_size` encoded bytes on the wire, across the buffer-size mat
    ```
 6. run tests for all supported python versions:
    ```
-   uv run task matrix
+   uv run camas matrix
    ```
 
 ## Development Environment Setup
@@ -170,7 +172,7 @@ uv sync
 ### Verify Your Setup
 
 ```
-uv run task all
+uv run camas all
 ```
 
 ### Enable the githooks

pyproject.toml

@@ -63,7 +63,7 @@ dev = [
 "pytest-cov>=7.0.0",
 "pytest-asyncio>=0.23.2",
 "ruff>=0.12.0",
-"taskipy>=1",
+"camas[mcp,check]==0.1.14",
 ]
 doc = [
 "mkdocstrings[python]>=0.26.1",
@@ -74,23 +74,6 @@ doc = [
 "smp>=4.1.0",
 ]
 
-[tool.taskipy.tasks]
-format = "ruff format ."
-lint = "ruff check . && pydoclint src/smpclient"
-fix = "ruff check --fix . && ruff format ."
-typecheck = "mypy ."
-test = "pytest --maxfail=1 --ignore=tests/integration"
-test-integration = "pytest tests/integration --log-file=integration-tests.log --log-file-level=DEBUG --log-cli-level=INFO -o log_cli=true"
-coverage = "pytest --cov --cov-report=xml --cov-report=term-missing --ignore=tests/integration"
-all = "task format && task lint && task typecheck && task test"
-matrix = """
-    UV_PROJECT_ENVIRONMENT=.venv-3.10 uv run --python 3.10 task all &&
-    UV_PROJECT_ENVIRONMENT=.venv-3.11 uv run --python 3.11 task all &&
-    UV_PROJECT_ENVIRONMENT=.venv-3.12 uv run --python 3.12 task all &&
-    UV_PROJECT_ENVIRONMENT=.venv-3.13 uv run --python 3.13 task all &&
-    UV_PROJECT_ENVIRONMENT=.venv-3.14 uv run --python 3.14 task all
-    """
-
 [tool.ruff]
 line-length = 100
 extend-exclude = ["dutfirmware", ".claude"]

tasks.py

@@ -0,0 +1,43 @@
+"""Project tasks for camas — the single definition shared by local dev and CI."""
+
+from pathlib import Path
+
+from camas import Config, Parallel, Sequential, Task
+
+format = Task("ruff format .", mutates=True)
+
+lint = Parallel(
+    Task("ruff check ."),
+    Task("pydoclint src/smpclient"),
+)
+
+fix = Sequential(
+    Task("ruff check --fix .", mutates=True),
+    Task("ruff format .", mutates=True),
+)
+
+typecheck = Task("mypy .")
+
+test = Task("pytest -v --ignore=tests/integration")
+
+test_integration = Task(
+    "pytest tests/integration -v --log-file=integration-tests.log "
+    "--log-file-level=DEBUG --log-cli-level=INFO -o log_cli=true"
+)
+
+coverage = Task(
+    "pytest --cov --cov-report=xml --cov-report=term-missing --ignore=tests/integration"
+)
+
+check = Parallel(lint, typecheck, test)
+
+all = Sequential(format, check)
+
+_PYTHONS = (Path(__file__).parent / ".python-version").read_text().split()
+
+matrix = Parallel(
+    Task("uv run --python {PY} camas check", env={"UV_PROJECT_ENVIRONMENT": ".venv-{PY}"}),
+    matrix={"PY": tuple(_PYTHONS)},
+)
+
+_ = Config(default_task=all, github_task=check)

tests/integration/__init__.py

@@ -2,6 +2,6 @@
 
 The servers are vendored prebuilt fixtures (`tests/fixtures/smp-server/`) launched
 as subprocesses; see `tests.integration.servers`. These tests are Linux-only and
-are excluded from the default `task test` run (they carry the `integration`
-marker); run them with `task test-integration`.
+are excluded from the default `camas test` run (they carry the `integration`
+marker); run them with `camas test-integration`.
 """