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Use when starting any compiler task or session before touching parser/analyze/transform/ast/codegen/css/diagnostics code, before proposing a design or writing code, and when the task grows into a new layer and you need its PRD invariants.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
Use whenever adding an e2e compiler-output test (our JS vs the reference compiler) — a new cluster case under `tasks/compiler_tests/`.
🧩 PARITY · Turn one divergence from the Original into a test per affected case (does not fix).
🔪 SDT · verdict-directed review of backend codegen/transform. Use when auditing codegen/transform for smart-analyzer / dumb-codegen violations, or when porting a transform/codegen visitor from the Original.
The required unit-test format for `crates/**/src/**` — use when writing or reviewing a Rust `#[test]`, a test helper, or an `assert_*`. Not for `tasks/compiler_tests/` (use add-test) or `tasks/diagnostic_tests/` (use add-diagnostic-test).
PRD editorial standard for docs/. Use when writing a new PRD, extending one, or reviewing changes under docs/ — and when another skill needs the PRD rules.
Create a new diagnostic parity test case. Use when the user asks to add a diagnostic test, create a new `tasks/diagnostic_tests/cases/<name>` case, or capture a false positive/false negative against npm `svelte/compiler` before implementation.
| name | required |
| description | Use when starting any compiler task or session before touching parser/analyze/transform/ast/codegen/css/diagnostics code, before proposing a design or writing code, and when the task grows into a new layer and you need its PRD invariants. |
| allowed-tools | Read, Bash |
Read before touching the compiler: the PRDs your task touches land in context by matching the topics: contract, never by judging a filename.
context.md is the glossary — your routing vocabulary. map.md indexes the code. Each PRD's topics: line lists the canonical glossary terms it owns.
context.md and map.md in full — the vocabulary the rest of this runs on._Avoid_ synonyms.topics:, not filenames. grep -il "^topics:.*<stem>" docs/*.md — grep the bare stem (derived, each, bind), never the punctuated form ($derived, {#each}). Over-matching is free; a missed match is the failure. A term that matches no PRD is a routing gap — say so.