Investigate PR #305 (Nick — ExploreShell migration) — CI red since 01:48 UTC June 3

PR #305 opened by Nicholas Brown 2026-06-03 01:48 UTC. Adopts @texturehq/edges-explore 0.0.4 ExploreShell, drops Map/List view-mode toggle. +570/-687 across 17 files. CI status (as of 04:05 UTC June 3): lint FAIL, openapi FAIL, test FAIL, Vercel deploy FAIL. claude-review PASS, Vercel Preview Comments PASS. First action this session (before any Step 6 work): 1. cd ~/agents/meridian/commongrid && git fetch origin explore-panel-migration 2. gh pr checks 305 3. gh run view <run-id> --log-failed for each failing job 4. Decide: (a) push a fix to branch if failures are stale-deps / npm install / standard refactor breakage, or (b) one-line ack in #commongrid (top-level OR new thread) saying I am taking over CI fixes. Do NOT post a status message about this PR until CI is GREEN per the post-push CI protocol. Reference: AGENTS.md "Post-Push CI Protocol".