feat(h5): inject direct-chat history on agent escalation and defer ambiguous routing.

Phase B appends snapshot context when leaving h5direct sessions so Goose no longer starts blind. Phase C lets the 0.72 fallback return null on gated chat text so the existing LLM router can run, flags default off.

Co-authored-by: Cursor <cursoragent@cursor.com>

chat-intent-router.mjs

@@ -22,7 +22,17 @@ import {
 } from './conversation-display.mjs';
 import { isGoalRunIntent } from './goal-run-intent.mjs';
 import { pgvectorMemoryBackendInternals } from './memory-v2-pgvector.mjs';
+import {
+  isChatSessionDeferEnabledForUser,
+  resolveChatSessionDeferPolicy,
+  shouldDeferChatSessionRoutingToLlm,
+} from './chat-task-intent-config.mjs';
 
+export { shouldDeferChatSessionRoutingToLlm } from './chat-task-intent-config.mjs';
+export {
+  resolveChatSessionDeferPolicy,
+  isChatSessionDeferEnabledForUser,
+} from './chat-task-intent-config.mjs';
 export { matchDirectChatFaqRule, DIRECT_CHAT_FAQ_RULES, FAQ_EXCLUSION_PATTERNS, isExplicitTextOnlyRequest } from './chat-intent-router-rules.mjs';
 
 export const CHAT_INTENT_ROUTE = {
@@ -1208,6 +1218,8 @@ export function classifyWithRules({
   includeIntentPatterns = true,
   activeTaskContext = null,
   grantedSkills = [],
+  chatSessionDeferEnabled = false,
+  chatSessionDeferMinTextLength = 12,
 } = {}) {
   const decisionContext = {
     text,
@@ -1363,6 +1375,14 @@ export function classifyWithRules({
     ) {
       return null;
     }
+    if (shouldDeferChatSessionRoutingToLlm({
+      enabled: chatSessionDeferEnabled,
+      text: normalized,
+      minTextLength: chatSessionDeferMinTextLength,
+      isExplicitDirectChatOnlyText,
+    })) {
+      return null;
+    }
     return finalizeRouterClassification(normalizeClassification({
       route: CHAT_INTENT_ROUTE.DIRECT_CHAT,
       confidence: 0.72,
@@ -1398,6 +1418,8 @@ export function createChatIntentRouter(options = {}) {
       'fallbackRoute',
     ]),
   });
+  const chatSessionDeferPolicy = options.chatSessionDeferPolicy
+    ?? resolveChatSessionDeferPolicy(env);
 
   function isLlmRouterEligibleForUser(userId) {
     return isChatLlmRouterEligible({
@@ -1723,6 +1745,7 @@ export function createChatIntentRouter(options = {}) {
       }, decisionContext);
     };
     const llmRouterEligible = isLlmRouterEligibleForUser(userId);
+    const chatSessionDeferEnabled = isChatSessionDeferEnabledForUser(userId, chatSessionDeferPolicy);
     const ruleResult = classifyWithRules({
       text,
       forceDeepReasoning,
@@ -1733,6 +1756,8 @@ export function createChatIntentRouter(options = {}) {
       includeIntentPatterns: true,
       activeTaskContext,
       grantedSkills,
+      chatSessionDeferEnabled,
+      chatSessionDeferMinTextLength: chatSessionDeferPolicy.minTextLength,
     });
     if (ruleResult) return finalizeWithCoercion(ruleResult);