feat(hooks): add ultrawork-model-override hook for per-agent model swap

src/plugin/hooks/create-session-hooks.ts

@@ -25,6 +25,7 @@ import {
   createPreemptiveCompactionHook,
 } from "../../hooks"
 import { createAnthropicEffortHook } from "../../hooks/anthropic-effort"
+import { createUltraworkModelOverrideHook } from "../../hooks/ultrawork-model-override"
 import {
   detectExternalNotificationPlugin,
   getNotificationConflictWarning,
@@ -55,6 +56,7 @@ export type SessionHooks = {
   questionLabelTruncator: ReturnType<typeof createQuestionLabelTruncatorHook>
   taskResumeInfo: ReturnType<typeof createTaskResumeInfoHook>
   anthropicEffort: ReturnType<typeof createAnthropicEffortHook> | null
+  ultraworkModelOverride: ReturnType<typeof createUltraworkModelOverrideHook> | null
 }
 
 export function createSessionHooks(args: {
@@ -169,6 +171,10 @@ export function createSessionHooks(args: {
     ? safeHook("anthropic-effort", () => createAnthropicEffortHook())
     : null
 
+  const ultraworkModelOverride = isHookEnabled("ultrawork-model-override")
+    ? safeHook("ultrawork-model-override", () => createUltraworkModelOverrideHook({ agents: pluginConfig.agents }))
+    : null
+
   return {
     contextWindowMonitor,
     preemptiveCompaction,
@@ -191,5 +197,6 @@ export function createSessionHooks(args: {
     questionLabelTruncator,
     taskResumeInfo,
     anthropicEffort,
+    ultraworkModelOverride,
   }
 }