bvandeusenandClaude Fable 5
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The prior-art hook now names the shapes being written (shapes=kind:name — every definition in the payload, or the one enclosing an Edit found by walking the file upward) and the server stamps them as instance rows when the session PULLED a snippet inside PULL_WINDOW that the payload references by symbol or that the semantic arm scored for this very payload. classified_by=hook, evidence in reason; never overrides a judgment or a canonical row, overridable by classify_shapes. Offered-but-unopened stamps nothing. Pulled-and-already-seen snippets stay in the semantic query as evidence without re-entering the deduped menu. A brand-new shape gets a provisional row the next sync confirms or vanishes. Read-scoped keys get the hint, never the stamp. Plugin 0.1.34. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
69 lines
3.8 KiB
Markdown
69 lines
3.8 KiB
Markdown
---
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name: shape-accounting
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description: Use when a project's shape accounting needs attention — the pattern_coverage line from enter_project shows unclassified shapes or is missing on a forge-served project, the operator asks about coverage/accounting/canon, or you just proved a code-to-canon relationship (an audit enumerated call sites, a consolidation repointed consumers, a verify pass confirmed a helper's users). Triggers on "coverage", "accounted", "unclassified", "classify shapes", "what uses this", or finishing any consolidation.
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---
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# Shape accounting — every shape classified against canon
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The snippet library records **canon** (small); the shape ledger accounts for
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**every extracted definition** in a project's bound repos (total). Each ledger
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row carries a status:
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- `canonical` — IS a snippet's reference (the coverage sync stamps these
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mechanically; you rarely set it).
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- `instance` of snippet N — conforms to recorded canon. Canon in another
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project counts (a family-level button shape fully accounts for a local use).
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- `variant` of snippet N — a deliberate, named departure. **Reason required**
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— the why IS the record.
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- `exempt` — judged genuinely one-off. **Reason required.** A recorded
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judgment, not silence — it stops the next pass re-litigating it.
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- `unclassified` — nobody has judged it yet. **This is the todo list.**
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## The loop
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1. **Seed / refresh** — the ledger fills from coverage computation. Entering a
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project triggers a background seed automatically; when you need it current
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*now* (before a classification batch, or when the line is missing on a
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forge-served project), call `refresh_pattern_coverage(project_id)` — it
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returns the fresh accounting line. Takes seconds; it moves repo archives.
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2. **Read the todo** — `list_shapes(project_id, status="unclassified")`,
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optionally scoped by `path` to the directories the coverage line names as
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largest. `snippet_id=N` reads a consumer map.
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3. **Judge in batches** — `classify_shapes(project_id, [{path, symbol,
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status, snippet_id?, reason?}])`. All-or-nothing: a bad item applies
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nothing. Rows, never prose — a consumer list in a note or verification
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detail cannot be sorted, queried, or diffed.
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## Rows that arrive on their own
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Two feeds keep the ledger current between your batches, so most shapes never
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need a hand judgment:
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- **The sync** stamps a snippet's own reference location `canonical`
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(`classified_by: mechanical`).
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- **The write path** stamps instances as you work: when you `get_snippet` a
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canon and then Write/Edit code that references or resembles it, the
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definitions being written land as `instance` rows (`classified_by: hook`,
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the evidence in `reason`), and the prior-art hook tells you what landed
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("Shape accounting: recorded at … → instance of #N"). Offered-but-unopened
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snippets stamp nothing — so *pull the canon you are instantiating*; that
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pull is what turns your reuse into accounting. A hook row is evidence, not
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judgment: it never overrides a classification you made, and a
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`classify_shapes` call overrides it.
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## The derive-first rule
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N same-shaped occurrences matching **no** recorded canon is never N loose
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classifications — it is a consolidation candidate: derive one reference from
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the dominant form, `create_snippet` it, migrate the outliers, then classify
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the rest as instances. Canon is determined from the code; consistency comes
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from the derivation, not from asking permission.
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## What this buys
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Divergence becomes mechanical: when button B appears where button A is canon,
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the ledger says *unintended divergence* or *justified variant with its
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reason* — nobody re-derives the history. `get_snippet` shows each snippet's
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`instances` and `variants`, so "what uses this?" is answered from rows before
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any contract change lands on its consumers.
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