fix(pm): read decorated Restart-when: / Blocked-by: directive lines, and stop prescribing a close for an unparsed one (#10204)

* fix(pm): tolerate decorated Restart-when:/Blocked-by: directive lines

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019T1sSZbQTnLhrK9HhNdNiB

* test(pm): make the decorated cross-repo assertion non-throwing

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019T1sSZbQTnLhrK9HhNdNiB

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Co-authored-by: Claude <noreply@anthropic.com>

Author: Jack Q