frank-small: Q5_K_M -> Q6_K rung at the held 2x200704 f16-KV shape

The freed third slot funded exact V; the remaining ~3.5 GiB of honest
nvidia-smi free (3,571, not the 4,046 total-minus-used I quoted - the
driver holds ~450 MiB of reserve) funds the +875 MiB of Q6_K weights.
Projected landing ~2.7 GiB free, inside the 2-3 GiB floor; measure on
boot, step the pool one 12,288-token increment if it lands under 2 GiB.

- payload dir MiMo-Q6K/ made self-contained (mmproj hardlinked from
  MiMo-Q5KM/, link-count-2 verified)
- env/serve/deployer/bats repointed; download script now fetches and
  verifies Q6_K (7,793,710,624 B, ef96d05a...) with Q5_K_M documented as
  the rollback; payload sha verified live on the host before deploy
- seam green 14/14 against the stub engine

scripts/frank-small.env

@@ -1,5 +1,12 @@
 # frank-small — llama.cpp (master, CUDA sm_86) serving
-# bartowski/MiMo-V2.6-Distill-Qwen-9B-GGUF:Q5_K_M on the RTX 3090, :7771.
+# bartowski/MiMo-V2.6-Distill-Qwen-9B-GGUF:Q6_K on the RTX 3090, :7771.
+#
+# 2026-10-03 (Frank, second move): the rung went Q5_K_M -> Q6_K with the pool
+# HELD at 401,408. The freed third slot funded exact f16 V first; the ~3.5 GiB
+# still free funds the +875 MiB of weights (file delta 7,793,710,624 -
+# 6,876,124,704). Projected landing ~2.7 GiB free — inside the 2-3 GiB floor,
+# so MEASURE after the boot; if it lands under 2 GiB, step the pool down one
+# 12,288-token (384 MiB) increment.
 #
 # 2026-10-03 (Frank): TWO streams instead of three, each one WIDE — 200,704
 # tokens per conversation, above the 200,700 the harness compacts at — and the
@@ -38,12 +45,14 @@
 # and the third slot is gone. The flags stay explicit so the choice is visible
 # in the argv either way.
 LLAMA_BIN=/home/dank/GitPackages/llama-master/build-cuda/bin/llama-server
-MODEL_FILE=/home/dank/models/MiMo-Q5KM/MiMo-V2.6-Distill-Qwen-9B-Q5_K_M.gguf
+MODEL_FILE=/home/dank/models/MiMo-Q6K/MiMo-V2.6-Distill-Qwen-9B-Q6_K.gguf
 
-# Vision: the Q5_K_M GGUF ships no `v.*` tensors, so the projector file IS the
-# vision capability (sha256 ff348f31..., 918,166,048 B, fetched by
-# scripts/download-frank-small.sh). Empty string = text-only on purpose.
-MMPROJ_FILE=/home/dank/models/MiMo-Q5KM/mmproj-MiMo-V2.6-Distill-Qwen-9B-f16.gguf
+# Vision: the Q6_K GGUF ships no `v.*` tensors either, so the projector file
+# IS the vision capability (sha256 ff348f31..., 918,166,048 B, fetched by
+# scripts/download-frank-small.sh; hardlinked into this dir from MiMo-Q5KM/,
+# same bytes — the Q6_K dir is self-contained). Empty string = text-only on
+# purpose.
+MMPROJ_FILE=/home/dank/models/MiMo-Q6K/mmproj-MiMo-V2.6-Distill-Qwen-9B-f16.gguf
 
 # Fleet endpoint: same port and alias as every frank-small before it, so the
 # harness models.yml id and the homepage probe do not move.