didericis
1df78ee77f
Add docs/decisions/ with a convention README and back-fill two decisions that previously had no in-repo home: merging PRs with rebase (ADR 0001) and the agent-identity claimed-not-vouched trust posture from PRD 0027 (ADR 0002). Point docs/INDEX.md at it. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
57 lines
2.1 KiB
Markdown
57 lines
2.1 KiB
Markdown
# Decision records
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Short, durable records of decisions — one file per decision. This is a
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lightweight [Architecture Decision Record](https://adr.github.io/)
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practice: capture *what was decided and why* in a versioned file so the
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reasoning lives in the clone, not in a forge issue thread or a chat log
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that disappears when the provider does.
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See `docs/research/issue-tracking-vs-in-repo-decision-history.md` for
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the rationale behind keeping decision history in-repo.
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## When to write one
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| Artifact | For |
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|---|---|
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| **PRD** (`docs/prds/`) | A feature: what to build, scope, success criteria. |
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| **Research note** (`docs/research/`) | A landscape/tradeoff investigation. |
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| **Decision record** (`docs/decisions/`) | A decision that isn't itself a feature — a policy, a convention, a "we will / won't do this," or a load-bearing choice made inside a larger PRD that deserves to be discoverable on its own. |
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A decision that's fully specified by a PRD doesn't need duplicating
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here. Write a record when the *decision* would otherwise be buried in
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prose, lost in an issue thread, or have no in-repo home at all (small
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requests that don't merit a PRD; non-feature choices like merge
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strategy or a trust posture).
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## Format
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One Markdown file per decision, numbered sequentially and zero-padded
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(`0001-…`, `0002-…`), matching the PRD numbering style. Keep it short —
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the discipline is writing it down, not the ceremony.
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```markdown
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# ADR 0000: <short imperative title>
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- **Status:** Proposed | Accepted | Superseded by ADR NNNN
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- **Date:** YYYY-MM-DD
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- **Deciders:** <who>
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## Context
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What forced the decision; the constraints in play.
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## Decision
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What we decided, stated plainly.
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## Consequences
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What follows — the good, and the costs/trade-offs accepted.
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## Links
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PRDs, research notes, issues/PRs. Forge links are convenience
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pointers; the reasoning above must stand without them.
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```
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## Index
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- [ADR 0001](0001-merge-prs-with-rebase.md) — merge PRs with rebase, not merge commits.
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- [ADR 0002](0002-agent-identity-claimed-not-vouched.md) — agent-set git identity is claimed, not vouched.
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