fix(continuation): auto-continue GPT permission-seeking replies

Resume GPT sessions when the last assistant reply ends in a permission-seeking tail, while honoring stop-continuation and avoiding duplicate continuation across todo and atlas flows.

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/config/schema/hooks.ts

@@ -1,6 +1,7 @@
 import { z } from "zod"
 
 export const HookNameSchema = z.enum([
+  "gpt-permission-continuation",
   "todo-continuation-enforcer",
   "context-window-monitor",
   "session-recovery",