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ci_mirror: run flutter with the git hook's environment stripped 
The pre-push gate failed on `flutter analyze` with "The current Flutter SDK
version is 0.0.0-unknown", while the same command passed when run by hand.

`git push` exports GIT_DIR to its hooks, and the flutter tool shells out to
git to identify its own SDK. With GIT_DIR set it reads THIS repository
instead of /opt/flutter -- `flutter --version` inside the hook reports

    Flutter 3.47.0-0.1.pre • channel main • https://github.com/kuhyx/diet-guard
    Framework • revision 84bd5503 (our own HEAD)

so pub cannot resolve any SDK constraint and every dependency is "forbidden".
Worse, flutter writes that answer into its own version cache, so the next
caller -- in any repo -- inherits it until something repairs it.

Wrapping the two flutter calls in `env -u GIT_DIR ...` fixes it at the point
of use. Not `--no-verify`: the gate was right that something was wrong, it
just was not the code being pushed.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-07-26 15:26:54 +02:00
.github/workflows Extract diet_guard from testsAndMisc as a standalone repo 2026-06-22 12:18:39 +02:00
app theme.dart: define secondary/tertiary ColorScheme roles 2026-07-22 19:46:07 +02:00
diet_guard Migrate diet_guard to gatelock v0.2.0 per-output locking 2026-07-25 16:56:13 +02:00
docs Add change explanation: desktop-web-build 2026-07-20 17:27:42 +02:00
scripts ci_mirror: run flutter with the git hook's environment stripped 2026-07-26 15:26:54 +02:00
.gitignore Add CI-mirror pre-push gate + requirements-sync check 2026-07-11 17:58:49 +02:00
.mcp.json Add MCP server exposing diet status + a gated log_meal 2026-07-10 21:36:46 +02:00
.pre-commit-config.yaml Migrate diet_guard to gatelock v0.2.0 per-output locking 2026-07-25 16:56:13 +02:00
CLAUDE.md Wire theme.dart into the app; replace remaining raw Colors.* literals 2026-07-21 21:50:16 +02:00
DESIGN_AUDIT_TODO.md Add a design-rules audit against the new safe-design-rules checklist 2026-07-21 15:25:20 +02:00
diet-guard-gate.service Extract diet_guard from testsAndMisc as a standalone repo 2026-06-22 12:18:39 +02:00
diet-guard-gate.timer Extract diet_guard from testsAndMisc as a standalone repo 2026-06-22 12:18:39 +02:00
diet-guard-sync.service Add cross-device log sync (Python half of Milestone 3) 2026-06-22 19:36:27 +02:00
diet-guard-sync.timer Add cross-device log sync (Python half of Milestone 3) 2026-06-22 19:36:27 +02:00
install.sh Add budget-adherence calendar, streaks, and freely-editable synced budget 2026-07-13 21:31:45 +02:00
pyproject.toml Pin gatelock 0.2.1 for the recovery-loop fail-open fix 2026-07-26 15:21:19 +02:00
README.md Add MCP server exposing diet status + a gated log_meal 2026-07-10 21:36:46 +02:00
requirements.txt Pin gatelock 0.2.1 for the recovery-loop fail-open fix 2026-07-26 15:21:19 +02:00

README.md

diet_guard

A log-to-unlock gate: locks the desktop until a meal is logged once a meal slot (08:00 / 12:00 / 16:00 / 20:00) has elapsed without one, and tracks a sealed daily calorie/macro budget.

Install

bash install.sh

This installs the package + dependencies into system Python's user site-packages (the systemd service runs /usr/bin/python directly, not a venv — see CLAUDE.md), installs the systemd user timer, seals your daily budget, and locks the budget file immutable.

Usage

python -m diet_guard init          # one-time: compute and seal today's budget
python -m diet_guard gate --demo   # test the lock window (safe, closeable)

The timer runs the gate automatically every ~30 minutes; no manual invocation is needed once installed.

MCP server

An optional Model Context Protocol server lets an MCP client (Claude Code and its subagents) query today's intake and log meals as typed tools instead of shelling out to the CLI. It runs in its own venv (~/.venvs/diet-guard-mcp) so the mcp SDK never touches the dependency-light system/CLI python path.

Tools:

  • get_status — today's consumed kcal + macros, the consumption band (on track / approaching limit / OVER BUDGET, or none when no budget is sealed), plus due / logged / current meal slots.
  • list_today — today's logged meals (description, kcal, macros, source, slot).
  • get_slots — the day's fixed meal slots and the current one.
  • log_meal(description, grams=, kcal=, protein=, carbs=, fat=, slot=, confirm=False) — gated write: with confirm=False it previews the resolved nutrition and target slot and mutates nothing; only confirm=True appends the entry. The gate is intrinsic — never add this tool to a permission allowlist, since a client's auto-approve mode would otherwise bypass the human confirmation.

The read tools deliberately never expose the raw daily budget number (only the qualitative band), nor the sealed .budget file, the shared HMAC key, or the sync token — the budget stays hidden by design.

Setup:

bash scripts/setup_mcp.sh   # create the venv and install diet_guard[mcp]

Then restart Claude Code in this repo and approve the project MCP server (registered in .mcp.json).

Development

python -m venv .venv && .venv/bin/pip install -r requirements.txt
.venv/bin/pre-commit install && .venv/bin/pre-commit install --hook-type pre-push
.venv/bin/python -m pytest diet_guard/tests/ --cov=diet_guard --cov-branch --cov-fail-under=100

See CLAUDE.md for scheduling details and production deployment gotchas, and docs/design.md for the original feature spec.