fix(erp-seat): tool_choice=none returned an empty turn — add --exclude-tools-when-tool-choice-none (vLLM kept the tools in the prompt, the model called one, parsing was off); 12-shape tool matrix green before/after

persistent-memory.md

@@ -187,6 +187,12 @@ COMPLETE and gated RESCUED (02:13 PDT). Live open items:_
   60 router + 191 vision) from `/tank/aimodels/erp-tune-v6-bf16` (merged-run06 relayed gx10→nh3-dev→ana-ml2 in 17 min,
   no key path gx10→ana-ml2). Quant = `services/erp-seat-quant/` — DATA-FREE (~90 s; playbook §3.16), tokenizer cap
   reset, encode-equal to source. Smoke: prose in `content`, ~200 tok/s single-stream (n=3, spread <1%).
+  **Tool calling FIXED 2026-09-08 23:00 PT (operator: "fix toolcalling with the trial seat"):** the one reproducible
+  defect in a 12-shape matrix was `tool_choice:"none"` → empty turn (content AND tool_calls null, 3/3) — vLLM kept the
+  tools in the prompt, the model called one, parsing was off. Fix = `--exclude-tools-when-tool-choice-none` (seat
+  recreated; none→prose 3/3; auto/required/named/parallel/nested/empty-list/streaming/round-trip all green).
+  ⚠ `stacks/gemma4-charrp` (char-rp seat) has the same exposure and no flag yet — bouncing it is a consumer-visible
+  restart, so left for the operator's word.
   ⚠ NOT gate-parity (gated artifact = bf16 arm on the GX10; this seat has a smoke test + 3-run decode probe only) —
   **operator ruled "no gate"**; the config block states it as unrated on every safety axis.
   ⚠ **ana-ml2 mesh return routes are NON-PERSISTENT** (`ip route replace 10.100/16, 10.0/16, 10.6.110/24, 100.64/10