Phase 19 soak check — manual run required (auth gap)

[mereditharmcgee]

$(cat <<'EOF'

Why this PR exists

The 4-week soak check for Phase 19 (idx_reviews_building_status) was triggered on 2026-05-26 in a remote Claude Code environment. wrangler whoami returned "You are not authenticated" — no CLOUDFLARE_API_TOKEN is set and no cached OAuth token exists in the container. The live remote audit was skipped per the auth-gate rule.

This PR adds a manual runbook at .planning/audits/phase19-soak-check-2026-05-26.md so you can complete the check from a credentialed local terminal. Close or merge this PR once you've run the script and recorded the result.

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What to verify

Phase 19 added idx_reviews_building_status ON reviews(building_id, status) to production D1 on 2026-04-29. The soak check confirms the query planner is still using the composite index after 4 weeks of real user traffic — not reverting to the old idx_reviews_status single-column scan.

Baseline: .planning/audits/d1-indexes-2026-04-28.md (sections "After (remote)" for Q1, Q2, Q3).

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Copy-paste script

Run these commands from a local terminal where wrangler whoami succeeds.

0. Confirm index still exists

npx wrangler d1 execute ratemyplace-db --remote --command "SELECT name FROM sqlite_master WHERE type='index' AND name='idx_reviews_building_status'"

Expected: 1 row — name = idx_reviews_building_status

Q1 — buildings LEFT JOIN approved reviews

npx wrangler d1 execute ratemyplace-db --remote --command "EXPLAIN QUERY PLAN SELECT b.*, COUNT(r.id) as review_count, ROUND(AVG(r.overall_score), 1) as avg_overall, l.name as landlord_name FROM buildings b LEFT JOIN reviews r ON b.id = r.building_id AND r.status = 'approved' LEFT JOIN landlords l ON b.landlord_id = l.id GROUP BY b.id HAVING COUNT(r.id) > 0 ORDER BY COUNT(r.id) DESC, AVG(r.overall_score) DESC LIMIT 10 OFFSET 0"

Expected: SEARCH r USING INDEX idx_reviews_building_status (building_id=? AND status=?) LEFT-JOIN

Q2 — landlords LEFT JOIN buildings LEFT JOIN approved reviews

npx wrangler d1 execute ratemyplace-db --remote --command "EXPLAIN QUERY PLAN SELECT l.*, COUNT(DISTINCT b.id) as building_count, COUNT(r.id) as review_count, ROUND(AVG(r.overall_score), 1) as avg_overall FROM landlords l LEFT JOIN buildings b ON b.landlord_id = l.id LEFT JOIN reviews r ON r.building_id = b.id AND r.status = 'approved' GROUP BY l.id HAVING COUNT(r.id) > 0 ORDER BY COUNT(r.id) DESC, l.name ASC LIMIT 10 OFFSET 0"

Expected: SEARCH r USING INDEX idx_reviews_building_status (building_id=? AND status=?) LEFT-JOIN (may also show a preceding BLOOM FILTER ON r line — that's a bonus, not required for PASS)

Q3 — autocomplete: buildings LEFT JOIN approved reviews

npx wrangler d1 execute ratemyplace-db --remote --command "EXPLAIN QUERY PLAN SELECT b.id, b.address, b.neighborhood, b.city, b.state, b.slug, COUNT(r.id) as review_count, ROUND(AVG(r.overall_score), 1) as avg_overall FROM buildings b LEFT JOIN reviews r ON b.id = r.building_id AND r.status = 'approved' WHERE b.address LIKE '%boston%' ESCAPE '\' OR b.neighborhood LIKE '%boston%' ESCAPE '\' GROUP BY b.id ORDER BY review_count DESC, b.address ASC LIMIT 5"

Expected: SEARCH r USING INDEX idx_reviews_building_status (building_id=? AND status=?) LEFT-JOIN

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Checklist

• Step 0: index still exists in sqlite_master
• Q1 PASS — SEARCH r USING INDEX idx_reviews_building_status
• Q2 PASS — SEARCH r USING INDEX idx_reviews_building_status
• Q3 PASS — SEARCH r USING INDEX idx_reviews_building_status

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If any query FAILS

1. Run npx wrangler d1 execute ratemyplace-db --remote --command "PRAGMA optimize" then re-EXPLAIN.
2. If still failing: see the remediation guidance in .planning/audits/phase19-soak-check-2026-05-26.md.
3. If the index is missing (Step 0 failed): this is a CRITICAL schema regression — escalate immediately.

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Expected output reference

Full expected EXPLAIN output for each query (verbatim from the locked baseline) is in .planning/audits/d1-indexes-2026-04-28.md, sections "EXPLAIN QUERY PLAN (after, remote)" for Q1, Q2, and Q3.

https://claude.ai/code/session_01BZFGwHbDHPfuhMGuE1DxsE
EOF
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