Close bookend for a session that merged the grounding audit to main, executed
Phase 0 and all three R15 gate fixes, took six GA-R5 rulings including D-136's
adoption at option (D), and executed step 3 of the render pipeline end to end
across both DCs.

Two GA-R4 breaches fixed in the writing: the first draft ran 26 lines against the
15-line summary cap, and appending it took the ledger to 316 against the 300-line
cap. Tightened to 15, and the oldest remaining live summary rotated VERBATIM to
docs/archive/session-ledger-rotated-20260727.md -- the fourth rotation pass. Live
ledger now 294.

Gauntlet ALL GREEN (84), repo-lint 0 fail.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01HvCyrwvYTTcDYnRErfMsNf