feat: add script to ContainerInput and task snapshot

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

container/agent-runner/src/index.ts

@@ -27,6 +27,7 @@ interface ContainerInput {
   isMain: boolean;
   isScheduledTask?: boolean;
   assistantName?: string;
+  script?: string;
 }
 
 interface ContainerOutput {

src/container-runner.ts

@@ -41,6 +41,7 @@ export interface ContainerInput {
   isMain: boolean;
   isScheduledTask?: boolean;
   assistantName?: string;
+  script?: string;
 }
 
 export interface ContainerOutput {
@@ -649,6 +650,7 @@ export function writeTasksSnapshot(
     id: string;
     groupFolder: string;
     prompt: string;
+    script?: string | null;
     schedule_type: string;
     schedule_value: string;
     status: string;