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my-pi/pi-permission-system/docs/retro/0022-relax-on-disk-identity-rule.md

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---
issue: 22
issue_title: "Relax 'preserve upstream on-disk identity' rule in AGENTS.md and README (lands with #10)"
---
# Retro: #22 — Relax "preserve upstream on-disk identity" rule in `AGENTS.md` and `README`
## Final Retrospective (2026-05-03T02:30:00Z)
### Session summary
Narrowed the "preserve upstream on-disk identity" rule in `AGENTS.md` (3 locations) and `README.md` (1 location) so only the `/permission-system` slash command and event channel name are treated as stable.
Also updated `README.md` badges to match the `pi-autoformat` style (live npm version, CI status, TypeScript, Pi Package).
Released as v1.2.1.
### Observations
#### What went well
- **Implementation committed on first try.**
The 4 prose edits across 2 files passed markdownlint and pre-commit hooks immediately.
All friction was confined to the plan file, not the implementation itself.
- **Badge update was clean.**
User requested an unplanned badge refresh mid-session; the change was scoped, committed separately, and passed CI.
#### What caused friction (agent side)
- `instruction-violation` (self-identified) — Markdownlint MD060 table-column alignment failed the plan commit **three times**.
The first two failures were caused by em-dash characters (`—`) inflating column widths beyond what `markdownlint-cli2` expected.
The fix was to simplify to minimal `| --- |` separators with shorter cell content.
Impact: ~3 minutes of rework across 3 failed pre-commit attempts, all on the plan file.
This is the third consecutive session with MD060 friction (also seen in #18 and #19 retros).
The specific trap this time was multi-byte UTF-8 characters (`—`) causing `markdownlint-cli2` to miscount column widths.
#### What caused friction (user side)
- The user noted the absence of a `/build-plan` command (analogous to `/tdd-plan`) for docs-only or non-TDD issues.
This would have streamlined the plan-to-implementation handoff for this session.
**Follow-up:** consider creating a `/build-plan` prompt template (file as a GitHub issue, not a retro-scoped change).
### Changes made
1. Created `docs/retro/0022-relax-on-disk-identity-rule.md` (this file).