docs: add AGENTS.md and model-selection guidance#26
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Document the operational workflow autonomous coding agents need to be productive in this repository: per-platform build/lint/test commands, the no-workspace-root layout, required tooling (flip-link, cargo-deny), CI mirror script, code conventions (static allocation, Embassy async, defmt, lint strictness), and the commit/AI-attribution/push policy. Complements .github/copilot-instructions.md, which remains the deep reference for architecture and conventions. Assisted-by: GitHub Copilot:claude-opus-4.7
Adds guidance on choosing between premium and cheap models for code-assistant work, including escalation/de-escalation triggers, sub-agent routing defaults, /fleet rules, and session-hygiene tips. Keeps premium reasoning for genuinely hard problems and routes mechanical work to cheaper models. Assisted-by: GitHub Copilot:claude-opus-4.7
felipebalbi
requested review from
Copilot,
dymk,
kat-perez,
maxperga-msft and
rogurr
and removed request for
Copilot
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This PR adds an
AGENTS.mdfile (see agents.md) tailored to this repository, distilled from the project's CI workflows, configuration, source layout, and conventions. The goal is to give any AI coding agent (Copilot, Claude, Cursor, etc.) enough repo-specific context to be immediately productive without re-deriving conventions from scratch.Commit 1 —
docs: add AGENTS.md ...AGENTS.mdwith project overview, build/test/lint/fmt commands, code layout, contribution patterns, and any quirks observed (e.g.,defmtfeature constraints, nightly-onlyrustfmt.tomloptions, workspace layout)..github/copilot-instructions.mdupdated to point atAGENTS.mdas the authoritative source, so Copilot-specific configuration does not drift out of sync with the broader agent guidance. Where nocopilot-instructions.mdexisted, a minimal pointer file was added.Commit 2 —
docs(AGENTS.md): add model selection & cost discipline section/fleetrules, and session-hygiene tips. The aim is to keep premium reasoning for genuinely hard work and route mechanical edits to cheaper models, reducing wasted spend without sacrificing quality.No source code, dependencies, or CI behavior is changed by this PR — it is documentation only.
Marked as draft for review; happy to iterate on tone, scope, or any repo-specific detail that should be tightened up.
Assisted by GitHub Copilot (Claude Opus 4.7).