swift15: KLD re-PASS at production MNBT 2048 (KL 0.0131, top-1 97.92%)

serverAppConfigs-docs/LLM/frank-primary-radiance-swift15-w4dn8.md

@@ -118,6 +118,13 @@ MiB measured**); the serve size floor `FRANK_PRIMARY_RAD_MIN_MIB` moves
   refused), KV 2048, headroom 512, no speculation. The engine ran rank 0
   fully on card 0 (25.88 GiB) with rank 1 host-side in this shape —
   scoring is placement-invariant; scored at 28 positions/s.
+- **KLD gate re-PASS (2026-10-08 04:49) at the production-legal shape**:
+  MNBT 2048 (the w4 file-tier law: experts stream in place only at
+  MNBT ≤ 2048 — the recording's 32768 demands a widened form the disk
+  tier refuses), pool 40960, vram-kv 3072 fp8, tp 2, headroom 768.
+  **mean KL 0.0131, top-1 97.92 %**. The Δ vs the first PASS (0.0015) is
+  the float-order noise band of the chunk-size change — the verdict is
+  chunk-size invariant, ~2.3× inside the 0.03 bar on both shapes.
 - **Throughput gate: PASS (2026-10-08 05:40)** — decode at 44.5k depth
   (streamed chat probe, temp 0, 512 tokens, salted): arm A (main serve
   shape, EVC 0.82) **146–173 t/s**, engine timings **121.9 t/s**,