fix(consult): BUG-945~949 领域截断、思考分片、Pass 4 按模式分流

schema 上限与执行上限解耦；校正思考改分片门；日期观察不删字，保证句与无分钟个人盘退回重写。

frontend/src/lib/rectification-agentic/v9/stream-mapping.ts

@@ -22,7 +22,7 @@ import {
   type PublicRectificationPhase,
   type PublicRectificationTool,
 } from "./public-receipt";
-import { acceptThinkStepText } from "../../think-step-gate";
+import { acceptThinkingFragment } from "../../think-step-gate";
 import { isToolInputRejection, toolResultFromChunk } from "./host-fallback";
 
 export type PublicPhaseStreamEvent = Readonly<{
@@ -187,7 +187,7 @@ export type InternalThinkingDeltaEvent = Readonly<{
 }>;
 
 export function toPublicThinkingDelta(text: string): InternalThinkingDeltaEvent | null {
-  const cleaned = acceptThinkStepText(text);
+  const cleaned = acceptThinkingFragment(text);
   if (!cleaned) return null;
   return { type: "thinking.delta", text: cleaned };
 }