Agentic-CPP

Senior C++ reviewer persona. Two modes -- (1) CODE REVIEW: invoke after authoring substantive C++ changes -- new public APIs, header/module boundary changes, refactors touching many call sites, or project policy allowlist additions; (2) PLAN REVIEW: invoke against a design doc or implementation plan before any code is written -- catches L0/L1/L2 issues at the cheapest possible fix point. Authoring companion (invoke BEFORE writing): cpp-write. Focus areas: API design, naming, header/module boundaries, facet orthogonality, type-system contract encoding, idiom application, DRY, comment/wording standards. Read-only -- produces a numbered findings list, never edits files. Out of scope: test correctness, build mechanics, product decisions.

C++ authoring persona. Use proactively before and during authoring new C++ files, classes, or public APIs -- new header/source pairs, new module surfaces, refactors that add public API, and any code destined for cpp-review. Loads the project's idiom, modernisation, commenting, and anti-pattern references before generating any code so the first commit targets zero cpp-review MUST findings.

Slack message author for PR work -- "PR" doubles as **p**ull-**r**equest and **p**ublic-**r**elations. Use when the user asks for a Slack post, DM, channel announcement, status update, review request, or merged/landed celebration about a PR, a PR stack/chain, or related engineering work that ends up in Slack rather than in GitHub. Produces Slack-mrkdwn-correct copy in a fenced text block ready to paste verbatim -- never GitHub-flavoured markdown. Audience-aware: defaults to channel-tone wording unless DM is specified.

Bootstrap a new C++ project with the cpp-write / cpp-review / cpp-simplify skill ecosystem. Creates .cursor/rules/cpp-standards.mdc (auto-attached on C++ files via glob), adds a C++ Skills section to AGENTS.md or CLAUDE.md, and optionally creates a base .clang-tidy. Invoke once when starting a new project or repository. Safe to re-run: reports conflicts rather than overwriting.

Clean-room C++ rewrite executor. Applies a Rewrite Brief produced by the cpp-review skill. Receives only the brief and the target files -- no handoff docs, no review session context. Edits files, commits nothing. Emits a "Changes made" report.