feat(server): improve task CLI with steering, execution order, and planner guidance

- Fix steering notes to check scope task instead of leaf task
- Fix NOT_DONE replan to use scope for bird's eye view
- Pass reason to planner prompt ("Why you were called" section)
- Add execution-order.ts with reusable computeExecutionOrder and buildSortedChildrenMap
- Make 'tree' an alias for 'plan' command
- Add comprehensive help text for run command and acceptance criteria
- Add planner guidance for propagating requirements to subtasks

packages/app/e2e/permission-prompt.spec.ts

@@ -7,6 +7,7 @@ import {
   allowPermission,
   denyPermission,
   waitForAgentIdle,
+  getToolCallCount,
 } from './helpers/app';
 import { createTempGitRepo } from './helpers/workspace';
 
@@ -37,6 +38,10 @@ test.describe('permission prompts', () => {
           timeout: 10000,
         })
         .toBe(true);
+
+      // Verify exactly one tool call is visible (no duplicate permission badge)
+      const toolCallCount = await getToolCallCount(page);
+      expect(toolCallCount).toBe(1);
     } finally {
       await repo.cleanup();
     }
@@ -61,6 +66,10 @@ test.describe('permission prompts', () => {
       await waitForAgentIdle(page);
 
       expect(existsSync(filePath)).toBe(false);
+
+      // Verify exactly one tool call is visible (no duplicate permission badge)
+      const toolCallCount = await getToolCallCount(page);
+      expect(toolCallCount).toBe(1);
     } finally {
       await repo.cleanup();
     }