docs(claude): coordinate parallel work through issue assignment

[IAmJSD]

Summary

Adds an Issue assignment — claim before you work section to CLAUDE.md, identical to LeanerCloud/cloud-commitments-cli#2202. LeanerCloud/cloud-commitments-mcp#62 and LeanerCloud/cloud-commitments-platform#892 merged an earlier revision of it, without the later shared-login and search-cap refinements. Several people and their agents can then work through the issue queue in parallel without fixing the same thing twice.

• Pick the highest-priority unowned issue first (priority/p0 → p3, oldest first, then unlabelled), skipping status/blocked, status/needs-info and status/wontdo, and anything with an open PR. Includes gh queries with --limit 1000 (GitHub search caps results at 1000; split by created: windows if a query hits it).
• Claim it before writing code: self-assign, or comment Claiming: working on this without write access. Then re-check; the earliest claim wins.
• Assigned or claimed issues are off-limits. After 7 days with no activity and no PR, ask the owner. If there's no reply after 3 more days, a takeover comment supersedes only the stale owner's claim and the assignment moves over.
• PRs use Closes #N (feeds the existing label-mirroring rule). Unassign yourself and leave a note when you drop an issue.
• Larger untracked work (e.g. UI/integration) gets an assigned issue first so it shows as taken.

Docs-only change; no runtime code touched.

No closing issue: this is a contributor docs change, so there are no issue labels to mirror under the PR labeling rule.

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Summary by CodeRabbit

• Documentation
  • Added guidance for selecting open issues by priority and age, skipping blocked, needs-information, and wont-do issues, and accounting for search result limits.
  • Clarified how to check for existing claims and related pull requests before taking an issue, and how to record a claim before coding.
  • Documented how active and stale claims, shared worker identities, maintainer assignments, takeovers, and releases affect issue ownership.
  • Added instructions to link pull requests to issues and release and unassign issues when work stops without a pull request.

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• CLAUDE.md

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📝 Walkthrough

CLAUDE.md adds mandatory procedures for selecting issues, checking and claiming ownership before coding, managing claims, and linking work to pull requests. It also defines how to release claims when work is dropped.

Changes: Issue Ownership Workflow

Layer / File(s)	Summary
Issue selection and ownership CLAUDE.md	The instructions define issue priority and eligibility, search-result limits, ownership checks, claim markers, stale-claim takeovers, PR issue links, and steps for releasing dropped work.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~4 minutes

Change: Other

Suggested reviewers: cristim

Merge Risk: ⚪ Minimal · up to 4caef

The new issue-selection and claim workflow gives contributors a shared process for avoiding duplicate work. No material merge-blocking risk is evident.

### Architecture Summary

Architecture risk: 🔵 Low · up to 4caef

The change affects 1 system.

Changed systems: CLAUDE.md

Architecture concerns
No architecture-level concerns identified.

Review details

Systems and components

• observed — CLAUDE.md (service) was modified; 1 changed file maps to changed impact.

Before / after behavior

• observed — Modified behavior in CLAUDE.md: Added mandatory issue-selection and ownership procedures: choose eligible issues by priority and age, check for existing claims and PRs, post a timestamped claim before coding, and follow the specified release and stale-claim takeover rules. The instructions also require linking the PR to its issue and releasing work that is dropped without a PR.

Pre-merge checks: 5

Check name	Status	Explanation
Docstring Coverage		No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title clearly and concisely describes the documentation change and its purpose: coordinating parallel work through issue assignment.

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Actionable comments posted: 1

---

• 🪄 Fix comments: Fix CodeRabbit comments on this PR

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only still-valid issues, skip the rest with a brief reason, keep changes
minimal, and validate.

Inline comments:
Review comments at @CLAUDE.md:
- Line 113: Update the `gh issue view` post-claim check to fetch and display
both assignees and comments, so workers can detect claim comments before
starting work.

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• CLAUDE.md

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[IAmJSD]

Synced from the sibling PRs: claims, takeovers and releases now use Claiming: / Taking over: / Released: marker comments, whose timestamps decide the earliest claim (assignment times aren't visible to gh issue view).

[cristim]

Independent review verdict: CLEAN at 4caefc351b6e6ac42a1089a6eaac1ad4ad11f51d (merge driver; docs-only)

• No conflict with the existing review gate, label-mirroring or CI-watcher rules. Closes #N feeds label mirroring. The agent-comms scope is limited to the same machine.
• The read-only gh queries were run. The priority/* and no-priority listings work, the gh pr list --search "<n> in:body" check finds fix(gcp/cloudstorage): apply the currency unification to the Cloud Storage extractor #424 for 243, and all referenced labels exist. The write commands (claim, release) were not run.
• The CR actionable (claim comments in the post-claim check) was fixed in ddf9202, and the thread is resolved. The last CR review was at ddf9202. CR does not cover this head.
• Non-blocking: the body says --limit 500 but the file uses 1000. The body says the section is identical to cloud-commitments-mcp#62, but mcp#62 lacks the shared-login paragraph and --limit 1000. It is identical to cli#2202. <worker-id> is never defined, and it is unclear who counts as a maintainer for Taking over:.

Remaining merge gates: CI has not run (the fork workflows are awaiting maintainer approval). There is no linked issue, so there are no labels to mirror.

[IAmJSD]

Thanks. Fixed the PR description (no new commit, head stays 4caefc3): it now says --limit 1000 with the search-cap note, and that the section is identical to cli#2202 while mcp#62 and platform#892 merged an earlier revision without the shared-login and search-cap refinements.

On <worker-id> and who counts as a maintainer: I've left the file as it is so the gate doesn't restart for a wording nit. If you'd like them spelled out (e.g. "any stable per-agent name, such as cc-platform-w3" and "anyone with write access"), I can add both in one commit here and bring mcp/platform in line in a small follow-up.

[cristim]

Merge-gate status at 4caefc351b6e6ac42a1089a6eaac1ad4ad11f51d (merge driver)

• Independent review: CLEAN at this head. See the earlier verdict comment. The head has not moved since.
• Diff scope re-checked: only CLAUDE.md changed (+115), with no workflow or code files.
• Local verification on macOS: pre-commit run --files CLAUDE.md at this head passed every applicable hook, including markdownlint, trailing-whitespace, end-of-file, merge-conflict, private-key, git-secrets and trivy-config. This is docs-only, so no runtime scenario applies.
• CR covered this branch up to ddf9202, and its one actionable item was resolved. CR has not reviewed this head. The repo gate allows that because the independent review and exact-revision local verification cover this SHA.
• Labels: no linked issue, so there are none to mirror.
• Remaining gate: CI has not run on this head. Fork workflow runs 38831191796 (pre-commit) and 38831191825 (CI - Build & Test) are action_required and await maintainer approval. I will merge with --match-head-commit 4caefc35 once both are green.

[IAmJSD]

@cristim could you approve the fork CI runs for this PR? It's ready at 4caefc3, your review was CLEAN, and the merge-gate note says you'll merge once these are green. The runs waiting for approval:

• 38831191796 (pre-commit)
• 38831191825 (CI - Build & Test)

Thanks!

[cristim]

@IAmJSD The independent review is CLEAN at 4caefc35, the evidence is posted, and CI is running. The only remaining blocker is that the branch is BEHIND main by 21 commits, and the default-branch ruleset requires it to be up to date (strict required checks). Could you merge origin/main into the branch, as you did on #422? It merges cleanly and touches none of this PR's files. After that I will confirm the range-diff is empty, re-run the local checks, and squash-merge with --match-head-commit.

[IAmJSD]

Done: I merged origin/main into the branch at 6399967. I merged rather than rebased, so there was no force-push. The merge was automatic and the PR's own commits are unchanged. The fork CI runs for the new head need approval.

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[cristim]

@IAmJSD Thanks for the update. CI is green, the diff is identical to the reviewed one, and the local checks pass. While CI was running, main moved by one docs-only commit (#438), so the strict ruleset shows BEHIND again. Could you merge origin/main one more time? I will merge as soon as CI is green on that head.

[cristim]

@IAmJSD Still fully gated here: CLEAN verdict, CI green, diff identical to the reviewed one. The only blocker is that main has moved since your last update, so the PR shows BEHIND. Could you merge origin/main once more? When the head moves I will ask the other merge drivers on our bus to hold merges until CI finishes, so this does not race again.

[IAmJSD]

Merged origin/main in c14fb55 (no conflicts, no force-push). The touched module's build and go test -short ./... pass under GOWORK=off. Thanks for holding the other merges until CI finishes.

[cristim]

Merge gate record at c14fb554c8e20b7340c7882095dfdc7a0db100fb (merge driver)

• This head merges origin/main (4e7ef1e) into the branch. The PR's diff against main is byte-identical to the independently reviewed CLEAN diff at 4caefc35, and the range-diff of the 9 authored commits is all =. The verdict stands.
• Local verification on macOS: pre-commit run --files CLAUDE.md passes at this head. The change is docs-only, so there is no runtime scenario.
• CI on this head is green: CI - Build & Test 39033718688 and pre-commit 39033718689. mergeState is CLEAN and there are no unresolved threads. There is no linked issue, so there are no labels to mirror. CR skipped: it covered ddf9202, and the repo gate is met by the independent review plus exact-revision local verification.

Squash-merging with --match-head-commit c14fb554.