* feat(channels): add channel-owned setup contracts
* test(channels): align legacy setup fixtures
* chore(channels): regenerate config and SDK baselines after rebase
* fix(update): run fresh doctor after current-process core changes
* fix(channels): align add pre-scan with execution precedence
* style(cli): format channels-cli test additions
* fix(channels): restore option-before-positional channel resolution via metadata arity scan
* fix(channels): keep help flags out of metadata arity escalation
* test(update): mock fresh post-update doctor in current-process suites
* style: format review fixes and correct entrypoint mock type
* fix(channels): register only modern contract options for dual-publishing plugins
* test(update): align downgrade suites with fresh-doctor child invocation
* docs(channels): record empty-contract and input-forwarding invariants
* fix(line): keep the shipped --token switch as a channel access token alias
* fix(signal): stop treating exact cross-family loopback endpoints as bind-aligned
* chore(config): regenerate docs config baselines after second rebase
* style: format rebased channels add tests
* fix(channels): enforce field-key and flag-name agreement in setup contracts
* fix(signal): detect container endpoints for bare --http-url setup
* fix(signal): ignore unconfigured accounts in transport collision checks
* fix(channels): validate negated setup flags in contract and normalizer
* fix(signal): preserve existing transport kind when setup detection is unreachable
* style(signal): use direct boolean check in collision guard
* style(signal): type test config literals
* docs(update): record two-read design of fresh-doctor validation gate
* fix(channels): satisfy post-rebase architecture gates
* docs: refresh channel setup map
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Co-authored-by: Peter Steinberger <steipete@gmail.com>
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