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Apply when writing or running tests, or updating insta snapshots, in this repo.
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Apply for build/test/lint, dependency or feature changes, and editing Cargo.toml or .cargo config in this repo.
Apply when starting work, branching, committing, opening/reading PRs, reading issues, or checking CI — the git + GitHub (gh) workflow.
Apply when creating or tracking a GitHub issue, or planning multi-step work — the issue template and the task convergence loop.
Apply when writing, editing, reviewing, or refactoring ANY code in this repo — coding-behavior rules to avoid overcomplication and make surgical, verifiable changes.
Apply when changing the REST API surface — actix handlers, utoipa annotations, or request/response types under server/.
Apply when editing .proto files or the generated protobuf types (src/pbs/*) in this repo.
| name | testing |
| description | Apply when writing or running tests, or updating insta snapshots, in this repo. |
cargo test (CI default) or cargo test --all-features. Prefer red-green (see karpathy-principle).cargo insta review (or cargo insta accept). Never blindly accept.tests/data/**, *.bin, and named snaps in .gitattributes); most .snap files are plain git. Have git lfs installed so fixtures resolve.rstest for parameterized tests/fixtures; tracing-test to assert on logs; temp_testdir/tempfile for scratch dirs; pretty_assertions for diffs.