delegate-task: block prometheus task delegation

src/tools/delegate-task/constants.ts

@@ -329,13 +329,13 @@ export function isPlanAgent(agentName: string | undefined): boolean {
 }
 
 /**
- * Plan family: plan + prometheus. Shares mutual delegation blocking and task tool permission.
- * Does NOT share system prompt (only isPlanAgent controls that).
+ * Plan family: plan + prometheus. Shares mutual delegation blocking only.
+ * Does NOT share system prompt or task permission (only isPlanAgent controls those).
  */
 export const PLAN_FAMILY_NAMES = ["plan", "prometheus"]
 
 /**
- * Check if the given agent belongs to the plan family (blocking + task permission).
+ * Check if the given agent belongs to the plan family for mutual delegation blocking.
  */
 export function isPlanFamily(category: string): boolean
 export function isPlanFamily(category: string | undefined): boolean

src/tools/delegate-task/sync-continuation.test.ts

@@ -605,8 +605,8 @@ describe("executeSyncContinuation - toast cleanup error paths", () => {
     })
   })
 
-  test("keeps plan-family task delegation available during sync continuation", async () => {
-    //#given - a resumed plan-family session should keep its intended task capability
+  test("keeps task delegation disabled during prometheus sync continuation", async () => {
+    //#given - a resumed prometheus session should stay unable to delegate tasks
     const promptAsyncCalls: Array<{ path: { id: string }; body: Record<string, unknown> }> = []
     const mockClient = {
       session: {
@@ -656,7 +656,7 @@ describe("executeSyncContinuation - toast cleanup error paths", () => {
     const args = {
       session_id: "ses_test_12345678",
       prompt: "continue planning",
-      description: "resume plan task",
+      description: "resume prometheus task",
       load_skills: [],
       run_in_background: false,
     }
@@ -667,7 +667,7 @@ describe("executeSyncContinuation - toast cleanup error paths", () => {
     //#then
     expect(promptAsyncCalls).toHaveLength(1)
     expect(promptAsyncCalls[0]?.body.tools).toEqual({
-      task: true,
+      task: false,
       call_omo_agent: true,
       question: false,
     })

src/tools/delegate-task/sync-continuation.ts

@@ -1,6 +1,6 @@
 import type { DelegateTaskArgs, ToolContextWithMetadata } from "./types"
 import type { ExecutorContext, SessionMessage } from "./executor-types"
-import { isPlanFamily } from "./constants"
+import { isPlanAgent } from "./constants"
 import { storeToolMetadata } from "../../features/tool-metadata-store"
 import { resolveCallID } from "./resolve-call-id"
 import { getTaskToastManager } from "../../features/task-toast-manager"
@@ -84,7 +84,7 @@ export async function executeSyncContinuation(
       storeToolMetadata(ctx.sessionID, callID, syncContMeta)
     }
 
-    const allowTask = isPlanFamily(resumeAgent)
+    const allowTask = isPlanAgent(resumeAgent)
     const tddEnabled = sisyphusAgentConfig?.tdd
     const effectivePrompt = buildTaskPrompt(args.prompt, resumeAgent, tddEnabled)
     const tools = {

src/tools/delegate-task/sync-prompt-sender.ts

@@ -1,6 +1,6 @@
 import type { DelegateTaskArgs, OpencodeClient, DelegatedModelConfig } from "./types"
 import type { SisyphusAgentConfig } from "../../config/schema"
-import { isPlanFamily } from "./constants"
+import { isPlanAgent } from "./constants"
 import { buildTaskPrompt } from "./prompt-builder"
 import {
   promptSyncWithModelSuggestionRetry,
@@ -64,7 +64,7 @@ export async function sendSyncPrompt(
   },
   deps: SendSyncPromptDeps = sendSyncPromptDeps
 ): Promise<string | null> {
-  const allowTask = isPlanFamily(input.agentToUse)
+  const allowTask = isPlanAgent(input.agentToUse)
   const tddEnabled = input.sisyphusAgentConfig?.tdd
   const effectivePrompt = buildTaskPrompt(input.args.prompt, input.agentToUse, tddEnabled)
   const tools = {

src/tools/delegate-task/tools.test.ts

@@ -4105,7 +4105,7 @@ describe("sisyphus-task", () => {
       expect(promptBody.tools.task).toBe(true)
     }, { timeout: 20000 })
 
-    test("prometheus subagent should have task permission (plan family)", async () => {
+    test("prometheus subagent should NOT have task permission", async () => {
       //#given
       const { createDelegateTask } = require("./tools")
       let promptBody: any
@@ -4131,7 +4131,7 @@ describe("sisyphus-task", () => {
       )
       
       //#then
-      expect(promptBody.tools.task).toBe(true)
+      expect(promptBody.tools.task).toBe(false)
     }, { timeout: 20000 })
 
     test("non-plan subagent should NOT have task permission", async () => {