feat: ship deterministic parser and lifecycle release

control-plane/src/message-routing.ts

@@ -1,52 +1,31 @@
+import {
+  BUSINESS_DIRECTIVE_PREFIXES,
+  firstNonEmptyLine,
+  normalizeDirectiveText,
+  resolveBusinessRoute
+} from './business-routes.js';
+
 /**
  * Business instruction prefixes that start an independent task.
  *
  * A message sent while another task is waiting for input is normally a
- * continuation.  When the user starts the first non-empty line with one of
- * these business instructions, however, it is a new request and must get a
- * new task/session instead of inheriting the previous parser context.
+ * continuation. A unique registered directive anywhere in a structured block
+ * is a new request and must get a new task/session instead of inheriting the
+ * previous parser context. A field signature may select the parser mode for a
+ * new task, but never changes continuation semantics by itself.
  */
-export const BUSINESS_DIRECTIVE_PREFIXES = Object.freeze([
-  '独立团单个下单',
-  '独立团批量下单',
-  '散拼团新增计划',
-  '散拼团单个新增子单',
-  '散拼团拼单',
-  '导入独立团名单',
-  '导入散拼子单名单',
-  '安排导游',
-  '安排用车',
-  '安排酒店',
-  '安排大交通',
-  '安排其他/备案',
-  '安排其他',
-  '修改散拼母团计划收客数',
-  '散拼母团信息修改',
-  '追加散拼子单订房说明',
-  '散拼子单信息修改',
-  '独立团信息修改',
-  '安排变更',
-  '取消订单',
-  '恢复订单',
-  '导出团队文件'
-] as const);
-
 function normalizedFirstLine(message: string): string {
-  const firstLine = String(message || '')
-    .replace(/^\uFEFF/, '')
-    .split(/\r?\n/)
-    .map((line) => line.trim())
-    .find(Boolean) || '';
-
-  // NFKC handles full-width punctuation/letters; removing whitespace lets a
-  // copied template such as “安排 用车” follow the same route as “安排用车”.
-  return firstLine.normalize('NFKC').replace(/[\s\u3000]+/g, '');
+  return normalizeDirectiveText(firstNonEmptyLine(message));
 }
 
 export function detectBusinessDirective(message: string): string | null {
   const line = normalizedFirstLine(message);
   if (!line) return null;
-  return BUSINESS_DIRECTIVE_PREFIXES.find((prefix) => line.startsWith(prefix)) || null;
+  const exactOrFuzzy = resolveBusinessRoute(message);
+  if (exactOrFuzzy.routeId && exactOrFuzzy.match !== 'signature') {
+    return exactOrFuzzy.matchedDirective || exactOrFuzzy.route?.directive || null;
+  }
+  return BUSINESS_DIRECTIVE_PREFIXES.find((prefix) => line.startsWith(normalizeDirectiveText(prefix))) || null;
 }
 
 export function isNewDirectiveMessage(message: string): boolean {