Flip draft-stage reasoning off to low in the five shipping pipeline configs per ratified row 112, leaving judge and editor stages untouched

backend/configs/pipeline-arm-deepseek-pro.yaml

@@ -31,7 +31,9 @@ stages:
     model: deepseek-v4-flash
     prompt_version: v1-reflow
     temperature: 0.3
-    reasoning: "off"
+    # D39.92 / row 112: "off" on deepseek-v4-flash is an ABSENT key ⇒ vendor default `high` ⇒ empty
+    # content, finish=length. Rationale in pipeline-c1.yaml. The hop inherits it (v4-pro maps low→high).
+    reasoning: "low"
     escalate_to: deepseek-v4-pro
   - name: edit
     role: editor

backend/configs/pipeline-arm-glm.yaml

@@ -31,7 +31,9 @@ stages:
     model: deepseek-v4-flash
     prompt_version: v1-reflow
     temperature: 0.3
-    reasoning: "off"
+    # D39.92 / row 112: "off" on deepseek-v4-flash is an ABSENT key ⇒ vendor default `high` ⇒ empty
+    # content, finish=length. Rationale in pipeline-c1.yaml. The hop inherits it (v4-pro maps low→high).
+    reasoning: "low"
     escalate_to: deepseek-v4-pro
   - name: edit
     role: editor

backend/configs/pipeline-arm-mistral.yaml

@@ -27,7 +27,9 @@ stages:
     model: deepseek-v4-flash # черновик — тот же, что базлайн (свап только редактора)
     prompt_version: v1-reflow
     temperature: 0.3
-    reasoning: "off"
+    # D39.92 / row 112: "off" on deepseek-v4-flash is an ABSENT key ⇒ vendor default `high` ⇒ empty
+    # content, finish=length. Rationale in pipeline-c1.yaml. The hop inherits it (v4-pro maps low→high).
+    reasoning: "low"
     escalate_to: deepseek-v4-pro
   - name: edit
     role: editor
@@ -36,6 +38,9 @@ stages:
     model: mistral-large-2512
     prompt_version: v3-discourse-reflow
     temperature: 0.4
+    # KEPT "off" deliberately (row 112 decision): mistral-large-2512 is ReasoningNone and not a thinking
+    # model, so the key is absent and the vendor default is no reasoning — the max_tokens wall cannot
+    # apply. "low" would buy thinking that was never there. ⚠ Re-decide if Mistral ever defaults it ON.
     reasoning: "off"
     # few_shot по дефолту ON: mistral НЕ reasoning-модель, few-shot-примеры P1a-дискурса не мешают её CoT.
 

backend/configs/pipeline-c1.yaml

@@ -46,7 +46,14 @@ stages:
     # v0-draft→v1-reflow: сменил SHA промпта, осознанный --resnapshot.
     prompt_version: v1-reflow
     temperature: 0.3
-    reasoning: "off"
+    # D39.92 / row 112: "off" here is an ABSENT key (deepseek-v4-flash is ReasoningNone), so the call rode
+    # the vendor default `high` (quirks 00 §3а) and thinking ate max_tokens: content="", finish=length.
+    # "low" sends the effort explicitly and thinking stays ON. NOT a free win: quirks 00 §4 measured
+    # that low RE-ARMS the echo mine (1 raw-Chinese output in 16) — protection degrades continuously
+    # with effort rather than switching off, and the echo gate is what catches the tail. The hop
+    # inherits it —
+    # v4-pro maps low→high, effective effort unchanged. In the snapshot ⇒ --resnapshot, sanctioned.
+    reasoning: "low"
     # single-hop echo-эскалация (D18: deepseek-эхо 25% на 蛊真人 → фолбэк выстрелит). deepseek-v4-pro —
     # хоп 1 цепочки A (D3); стреляет ТОЛЬКО при escalation.budget_usd>0 (см. ниже). Escalate_to разрешён
     # лишь на translator-роли (editor pinned — D12); результат ре-гейтится.

backend/configs/pipeline-c2.yaml

@@ -23,7 +23,9 @@ stages:
     model: deepseek-v4-flash
     prompt_version: v1-reflow # D30.2 reflow (тот же translator.md, что в C1) — label-SHA дисциплина
     temperature: 0.8 # C2: кандидаты сэмплируются горячее (Р2: T=0.6–1.0)
-    reasoning: "off"
+    # D39.92 / row 112: "off" on deepseek-v4-flash is an ABSENT key ⇒ vendor default `high` ⇒ empty
+    # content, finish=length. Rationale in pipeline-c1.yaml.
+    reasoning: "low"
   # Judge-селектор (пара судей, шкала Комиссарова) — Фаза 2; стадия объявлена,
   # чтобы схема конфига не менялась: селектор получает N кандидатов от draft.
   # Судья Р4 — Gemini (нативный адаптер, Фаза 2); провизорно glm-5, чтобы скелет
@@ -36,6 +38,9 @@ stages:
     prompt_override: ../prompts/zh-ru/judge-selector.md
     prompt_version: v0-skeleton
     temperature: 0
+    # ⚠ DO NOT FLIP. Row 112 and the standards prompt both address this line as "the draft stage"; it is
+    # stage `select` (judge, glm-5). On glm-5 control=extra_body_disable, so "off" is a LIVE thinking
+    # disable, and low|medium|high emits nothing (no on_extra_body) ⇒ thinking back ON ⇒ ×3 timeouts.
     reasoning: "off"
   - name: edit
     role: editor