AGENTS.md git:20261028.f0ba151A

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# Agent Guidelines for Elephant-Goldfish Model (EGM)

You are assisting development in the EGM repository.

## Contribution Boundaries

* **No Autonomous PRs**: You must never automatically open a pull request without
  explicit human review, testing, and approval.
* **Triage Taxonomy**: Ensure the human operator selects the appropriate track in
  [`.github/PULL_REQUEST_TEMPLATE.md`](.github/PULL_REQUEST_TEMPLATE.md):
  * `Bug Fix / Minor Patch` (non-test diff `<= 100` lines and `< 3` core files in
    `skills/` or `agents/`; no design doc required, but please update an existing
    design if appropriate).
  * `Feature / Architectural Change — Stage 1: Design Doc PR` (requires an aligned
    issue with `design-ready`, uses `Refs #<issue>`, and adds
    `docs/designs/<name>.md` + updates `docs/designs/README.md`).
  * `Feature / Architectural Change — Stage 2: Implementation PR` (requires an
    aligned issue with `pr-ready` and a merged
    `docs/designs/<name>.md`).
* **No Artificial PR Splitting**: Never split a cohesive feature or refactoring across
  multiple smaller pull requests to evade the 100-line scope threshold.
* **PR Description Template**: Every pull request description must be the filled-in
  [`.github/PULL_REQUEST_TEMPLATE.md`](.github/PULL_REQUEST_TEMPLATE.md). `gh pr create --body`
  skips the template, so copy it from the file. The human author ticks the Accountability box.
* **Clear Change Summary**: In every pull request, explicitly list all key changes
  made and why. For feature proposals, define clear in-scope Goals and out-of-scope
  Non-Goals in the checked-in EGM design document (`docs/designs/<name>.md`).