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ai-workflow-course/modules/05-commit-the-ai-config/lab/instructions-file-starter.md
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claude f98eacb196 fix(testing/ci/tooling): consistent unittest, venv guidance, runnable lab commands
- #9: standardize the test chain on stdlib unittest (nothing-to-install, which
  keeps M13's claims true and its planted bug intact). Aligned M5/M14/M16 prose,
  M14 lab/test_tasks.py, and ci/gitlab starters; ruff stays the only pip install.
- #20: add venv / PEP 668 / which-python guidance to M20 (+ M14/M15 local
  installs); point MCP config at the venv's absolute python.
- #21: replace M21 Part D's empty `git diff HEAD~1` with `git log -p` (no
  .gitignore added — device preserved).
- #22: add a dependency-install step before M23's green baseline on a fresh clone.
- #23: M24 reviewer/triage now tolerate code-fence-wrapped JSON (stdlib only);
  feature.patch trap untouched.
- #28: fix M27 Part D CI snippet path (working-directory) and require the gate to
  target a varying candidate; swapped_model regression kept as the fixture.

Closes #9
Closes #20
Closes #21
Closes #22
Closes #23
Closes #28

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01TfzV5QvtPDz8LJS3Pu5VLT
2026-06-22 16:07:47 -04:00

2.4 KiB

Instructions for AI agents working on tasks-app

A tiny command-line task tracker. The point of this project is to be small enough to read in a minute but real enough to have more than one file. Keep it that way — don't grow it into a product.

Project layout

  • tasks.py — core logic (Task, TaskList). New behavior that isn't about the command line goes here.
  • cli.py — the command-line front end. Argument parsing and printing only; it calls into tasks.py. Reads and writes tasks.json.
  • tasks.json — generated state. See "Don't touch" below.

Build and test commands

  • Run the app: python cli.py <command> (e.g. python cli.py list).
  • Run the tests: python -m unittest
  • Do not claim a change works until you have actually run it. If tests exist, they must pass first.

Coding standards

  • Python 3.10+ . Standard library only — no third-party packages without being asked.
  • Type-hint public functions and methods. Match the existing dataclass style in tasks.py.
  • Handle bad input gracefully (e.g. a non-numeric index) rather than letting a raw traceback escape.

Don't touch

  • Never edit tasks.json by hand. It is generated by the app; hand-editing it corrupts state. Read it if you need to, but change it only by running the CLI.
  • Don't reformat or rewrite files you aren't actively changing. Keep diffs small and focused.

House style

  • Keep functions small and single-purpose. Prefer clarity over cleverness.
  • Match the surrounding code's style; don't introduce a new pattern for something the project already does one way.
  • When you add a command, wire it into cli.py's dispatch and update the usage string.