Extract paired verdict signal helpers

src/paired-verdict.test.ts

@@ -0,0 +1,34 @@
+import { describe, expect, it } from 'vitest';
+
+import {
+  classifyArbiterVerdict,
+  parseVisibleVerdict,
+} from './paired-verdict.js';
+
+describe('paired verdict parser', () => {
+  it('parses visible verdicts from the first summary line only', () => {
+    expect(parseVisibleVerdict('STEP_DONE\nmore to do')).toBe('step_done');
+    expect(parseVisibleVerdict('TASK_DONE\nall done')).toBe('task_done');
+    expect(
+      parseVisibleVerdict(
+        'DONE_WITH_CONCERNS\n\nfollow-up detail that should not affect parsing',
+      ),
+    ).toBe('done_with_concerns');
+    expect(parseVisibleVerdict('BLOCKED\nextra detail')).toBe('blocked');
+    expect(parseVisibleVerdict('random prose')).toBe('continue');
+  });
+
+  it('classifies arbiter verdicts from the first visible line', () => {
+    expect(classifyArbiterVerdict('PROCEED\ncontinue')).toBe('proceed');
+    expect(classifyArbiterVerdict('**VERDICT: REVISE**\nfix it')).toBe(
+      'revise',
+    );
+    expect(
+      classifyArbiterVerdict(
+        '<internal>private notes</internal>\nVERDICT — RESET\nrestart',
+      ),
+    ).toBe('reset');
+    expect(classifyArbiterVerdict('ESCALATE\nblocked')).toBe('escalate');
+    expect(classifyArbiterVerdict('no verdict here')).toBe('unknown');
+  });
+});