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Use when a yamuse model no longer matches what the Yandex Music API sends — a field arrived as the wrong type, a response stopped parsing, `on_field_repair` is firing, or you want to find fields the API sends that the crate does not model yet.

Use when adding, changing or debugging a Yandex Music API endpoint in the yamuse crate — adding a method, modelling a response, or working out why the API answers 400/401 for a request that looks right.

Use when cutting a release of the yamuse crate — bumping the version, writing the changelog entry, running the verification matrix, publishing to crates.io and tagging. Also use when asked to "publish", "release", "ship a version" or "push to crates.io".

Use when work on this repo needs a fact about how Claude Code itself behaves — where it stores credentials, which env vars it honours, what an internal API returns, or whether a new CC release broke the addressing in src/cc-paths.ts. Covers reading the…

Use when the user asks to switch Claude accounts, check how much of their rate limit or session window is left, warm up a session, or work out which of their accounts to use next. Covers the `cca` account manager, the 5-hour session window, and why a switch…