fix(ai): enforce cross-chat execution budgets

Count complete tool payloads with the runtime tokenizer so Chinese evidence respects the configured model context budget.\n\nResolve contact sources incrementally with cancellation checks and targeted member lookups to keep long cross-chat investigations responsive.

apps/cli/src/ai/cross-chat-tool-adapter.ts

@@ -4,7 +4,7 @@ import type {
   PreprocessConfig,
   SessionRuntimeAdapter,
 } from '@openchatlab/node-runtime'
-import { preprocessCrossChatMessages } from '@openchatlab/node-runtime'
+import { countTokens, preprocessCrossChatMessages } from '@openchatlab/node-runtime'
 import {
   CROSS_CHAT_AGENT_TOOL_REGISTRY,
   executeToolForAgent,
@@ -23,6 +23,7 @@ export function createCliCrossChatTools(options: {
     locale: options.locale,
     analysisService: options.analysisService,
     maxToolResultTokens: options.maxToolResultTokens,
+    countTokens,
     preprocessMessagesBySession: (sessionId, messages) =>
       preprocessCrossChatMessages(
         options.sessionAdapter,