Landed commit 4199048 on spec/g18-copy, PR #185. Invented members only.
1-red.txt: the rule table at the new seam, failing beforeimprovementLineexisted.2-green.txt: the same test passing.3-gate.txt:pnpm gateon the landed tree.4a-running-app.jsonl: HTTP responses from a local backend driven by signed Slack-shaped requests.4b-outbound-calls.jsonl: every call the backend made to the local fake.4c-drive.mts: the driver.5-review-gpt-6.1-sol.txt: the review's verdict (no findings) and its check.