Defame1297
4f49b2a249
grill-with-docs, improve-codebase-architecture, tdd, and triage kept non-spec markdown files at their skill root, in violation of skill-audit's file-structure.md rule (only SKILL.md/README.md belong at the root; everything else lives in scripts/, references/, assets/ or tests/). A root-level file is invisible to the ADR-0020 dangling-reference gate, which only resolves unqualified `references/...` pointers. - Moved and renamed to lowercase-kebab-case under references/: grill-with-docs (ADR-FORMAT.md, CONTEXT-FORMAT.md), improve-codebase-architecture (DEEPENING.md, INTERFACE-DESIGN.md, LANGUAGE.md), tdd (five files, casing was already fine), triage (AGENT-BRIEF.md, OUT-OF-SCOPE.md). - Updated every in-skill link to the new references/ paths, including link text that still showed the old uppercase filenames. - Fixed improve-codebase-architecture/SKILL.md's cross-skill citation of grill-with-docs's two files to the sanctioned possessive form with the references/ segment included. - Updated all four skills' README.md file tables to match. - Regenerated the flat content mirror via scripts/sync-plugin-content.sh --all. Fixes #122. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PDj6F7SPXzh3FtPN78dZ88
37 lines
3.0 KiB
Markdown
37 lines
3.0 KiB
Markdown
# improve-codebase-architecture
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Surface architectural friction and propose deepening opportunities — refactors that turn shallow modules into deep ones.
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## What it does
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Looks for places where a codebase is hard to understand, hard to test, or hard for an agent to navigate, and proposes refactors that concentrate behaviour behind smaller interfaces. It runs in three stages:
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1. **Explore.** Reads the domain glossary and any ADRs in the area first, then walks the codebase with an `Explore` sub-agent — organically, noting friction rather than applying fixed heuristics. The **deletion test** is the filter: imagine deleting the module; if complexity vanishes it was a pass-through, if complexity reappears across N callers it was earning its keep.
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2. **Present candidates.** A numbered list, each with files, problem, solution and benefits — benefits stated in terms of *locality* and *leverage* and of how tests would improve. No interfaces are proposed yet; the user picks one.
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3. **Grilling loop.** Walks the design tree for the chosen candidate, with documentation side effects landing inline as decisions crystallise.
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The skill is opinionated about vocabulary, and that is the point: **module, interface, implementation, depth, seam, adapter, leverage, locality**, used exactly, with no drift into "component", "service", "API" or "boundary". Domain nouns come from `CONTEXT.md`, architecture nouns from `LANGUAGE.md` — so a proposal reads as "the Order intake module", never "the FooBarHandler".
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ADRs are treated as decisions not to be re-litigated. A candidate that contradicts one is surfaced only when the friction is real enough to warrant reopening it, and is marked as such.
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## Composition
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`diagnose` hands off here when a bug's post-mortem concludes that no correct test seam exists, or that callers are tangled — the recommendation is made after the fix is in, not before. The grilling loop follows `grill-with-docs`'s discipline for `CONTEXT.md` entries and ADR offers, and `SKILL.md` names that skill's format documents directly.
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## Usage
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```text
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/improve-codebase-architecture
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```
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Point at a codebase or an area of one. Expect a numbered candidate list and a "which of these would you like to explore?" before any interface design happens.
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## Files
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| File | Purpose |
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|------|---------|
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| `SKILL.md` | Condensed glossary, key principles, and the three-stage process |
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| `references/language.md` | Cited throughout `SKILL.md`: full definitions of every term, the words each one replaces, and the full principle list |
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| `references/interface-design.md` | Read at stage 3 when the user wants alternative interfaces explored: the parallel sub-agent "Design It Twice" pattern, framing the problem space, and the per-agent design constraints |
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| `references/deepening.md` | Cited from `references/interface-design.md`: how to deepen a cluster of shallow modules safely, the four dependency categories (in-process, local-substitutable, remote-but-owned, true external), seam discipline, and the replace-don't-layer testing strategy |
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