docs(rewrite): status update

docs/rewrite/STATUS.md

@@ -90,6 +90,7 @@ Legend: ⬜ todo · 🟨 in progress · ✅ done (gate passed, committed) · ⚠
 | Z16 | update-channel default, async-backend epoll/io_uring, Windows error map + basename | sonnet | ✅ | 3555 tests |
 | RV14 | final Codex verification (clean HEAD) | codex astra | ✅ | RV13 4/4 addressed; 1 P2 (+show-face u21 panic) + 5 P3 → Z17 |
 | Z17 | show-face u21/UTF-8/ordering, Windows isAbsolute, io_uring detection | sonnet | ✅ | + first fix-deviant(cli) commit |
+| RV15 | final Codex verification (clean HEAD; DEVIANT_FIXES-aware) | codex astra | 🟨 | |
 | DEV | DEVIANT_FIXES.md register of all intentional deviations (with commits) | sonnet | ✅ | 30 fixed bugs, 11 kept quirks, 18 other |
 | RV10 | final Codex verification (RV9 rows + full sweep) | codex astra | ✅ | all prior rows resolved; 8 gaps (1 P1 C buffer len regression) → Z13 |
 | Z13 | RV10 gaps incl. P1 C action len/alloc mismatch | sonnet | ✅ | |
@@ -137,3 +138,4 @@ Legend: ⬜ todo · 🟨 in progress · ✅ done (gate passed, committed) · ⚠
 - 2026-10-12: Z16 committed (3555 tests). RV14 running.
 - 2026-10-12: RV14 → Z17 launched.
 - 2026-10-12: User: mark intentional deviations as fix-deviant(...) commits + register. Z17 committed as parity commit + fix-deviant(cli).
+- 2026-10-12: Gate green (3569 tests, all cross-checks). RV15 running.