refactor(task): align continuation ids with task_id

src/plugin/tool-execute-before.test.ts

@@ -161,6 +161,23 @@ describe("createToolExecuteBeforeHandler", () => {
       expect(output.args.subagent_type).toBe("explore")
     })
 
+    test("normalizes task_id into the canonical resume argument", async () => {
+      //#given
+      const ctx = createCtxWithSessionMessages([
+        { info: { role: "assistant", agent: "oracle" } },
+      ])
+      const handler = createToolExecuteBeforeHandler({ ctx, hooks: emptyHooks })
+      const input = { tool: "task", sessionID: "ses_123", callID: "call_1" }
+      const output = { args: { task_id: "ses_resume_123", description: "Continue task", prompt: "fix it" } as Record<string, unknown> }
+
+      //#when
+      await handler(input, output)
+
+      //#then
+      expect(output.args.task_id).toBe("ses_resume_123")
+      expect(output.args.subagent_type).toBe("oracle")
+    })
+
     test("falls back to 'continue' when session has no agent info", async () => {
       //#given
       const ctx = createCtxWithSessionMessages([

src/plugin/tool-execute-before.ts

@@ -100,12 +100,21 @@ export function createToolExecuteBeforeHandler(args: {
       const argsObject = output.args
       const category = typeof argsObject.category === "string" ? argsObject.category : undefined
       const subagentType = typeof argsObject.subagent_type === "string" ? argsObject.subagent_type : undefined
-      const sessionId = typeof argsObject.session_id === "string" ? argsObject.session_id : undefined
+      const taskId =
+        typeof argsObject.task_id === "string"
+          ? argsObject.task_id
+          : typeof argsObject.session_id === "string"
+            ? argsObject.session_id
+            : undefined
+
+      if (taskId && typeof argsObject.task_id !== "string") {
+        argsObject.task_id = taskId
+      }
 
       if (category) {
         argsObject.subagent_type = "sisyphus-junior"
-      } else if (!subagentType && sessionId) {
-        const resolvedAgent = await resolveSessionAgent(ctx.client, sessionId)
+      } else if (!subagentType && taskId) {
+        const resolvedAgent = await resolveSessionAgent(ctx.client, taskId)
         argsObject.subagent_type = resolvedAgent ?? "continue"
       }