moving

packages/hive-mind-hooks-cursor/tests/hooks/pre-compact.test.ts

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+import { describe, expect, it } from 'vitest';
+import { runPreCompact } from '../../src/hooks/pre-compact.js';
+import { makeHookCaptures, makeMockBridge } from './_test-helpers.js';
+
+describe('cursor pre-compact handler (preCompact — observational, fire-and-forget)', () => {
+  it('calls cleanupFrames to merge superseded frames before host compaction', async () => {
+    const bridge = makeMockBridge({ cleanupFramesResult: { pruned: 4 } });
+    const cap = makeHookCaptures();
+    await runPreCompact({
+      readStdin: async () => JSON.stringify({ conversation_id: 'conv-3' }),
+      writeStdout: cap.writeStdout,
+      exit: cap.exit,
+      bridge,
+    });
+    expect(bridge.cleanupFrames).toHaveBeenCalledTimes(1);
+    expect(cap.exits).toEqual([0]);
+  });
+
+  it('still calls cleanupFrames even when no scope/session present', async () => {
+    const bridge = makeMockBridge();
+    const cap = makeHookCaptures();
+    await runPreCompact({
+      readStdin: async () => '{}',
+      writeStdout: cap.writeStdout,
+      exit: cap.exit,
+      bridge,
+    });
+    expect(bridge.cleanupFrames).toHaveBeenCalled();
+    expect(cap.exits).toEqual([0]);
+  });
+
+  it('FAIL-OPEN: exits 0 when cleanupFrames rejects', async () => {
+    const bridge = makeMockBridge();
+    bridge.cleanupFrames.mockRejectedValueOnce(new Error('cli unreachable'));
+    const cap = makeHookCaptures();
+    await runPreCompact({
+      readStdin: async () => '{}',
+      writeStdout: cap.writeStdout,
+      exit: cap.exit,
+      bridge,
+    });
+    expect(cap.exits).toEqual([0]);
+  });
+});