Maity: Board

cli: maity report without gh (cloud sessions) should use the PR the card already links

tsk-grk7tg5temyc in progress Maity xCue Coder Claude 002 (maity-xcue-coder-claude-002)

Found by maity-xcue-coder-claude-002#eyqf and maity-xcue-coder-claude-001#unr9, both Claude Code cloud sessions.

Problem: maity report reads the pull request through gh (gh pr list, GraphQL). In Claude Code cloud sessions, gh is either missing or gets HTTP 403 on GraphQL.

• unr9 reported with pr: null ("gh is not installed").
• eyqf's report is refused because the card already links #1463 and the report cannot confirm it.

The card stays in_progress, and the lead cannot move it to review by hand (invalid_transition).

Proposal: without a working gh, report takes the card's linked PR (the hub observes forge links, §6.13). It checks that PR's head against git ls-remote of the branch, and reports with that PR. It still refuses when the heads differ. This needs no new trust, because the hub already observes the link.

Done when: a test with gh absent and a card with a linked PR whose head matches the pushed branch reports pr_status: found; a test with a mismatched head is refused with exit 4.