Carry ACP permission requests through durable runner resolution

Validate provider-supported choices, fence resolutions to the active turn, retain pending state until sidecar acknowledgement, and preserve complete bounded plan documents.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

packages/shared/src/validators/issue.ts

@@ -1329,7 +1329,7 @@ export const paperclipQuestionSetPayloadSchema = z
   .object({
     schema: z.literal("paperclip.question_set.v1"),
     title: z.string().max(1000).optional(),
-    description: z.string().max(4000).optional(),
+    description: z.string().max(100_000).optional(),
     submitLabel: z.string().max(200).optional(),
     questions: z.array(paperclipQuestionSchema).min(1).max(64),
   })