[Init] Initial commit - NetMesh terminal manager

infrastructure/ai/harness/contextReplay.test.ts

@@ -0,0 +1,38 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import type { ModelMessage } from 'ai';
+import { prepareTurnContext, extractLatestUserGoal } from './contextManager';
+
+const fixtureMessages: ModelMessage[] = [
+  { role: 'user', content: 'Deploy nginx on prod-web-01 and verify port 443.' },
+  { role: 'assistant', content: 'I will check the server first.' },
+  { role: 'user', content: 'Command failed: systemctl restart nginx returned exit code 1.' },
+  { role: 'assistant', content: 'The error log shows missing ssl_certificate path.' },
+];
+
+test('context replay compaction retains user goal and recent tail', async () => {
+  const goal = extractLatestUserGoal(fixtureMessages);
+  assert.ok(goal?.includes('Command failed'));
+
+  const prepared = await prepareTurnContext({
+    messages: [...fixtureMessages],
+    backend: 'catty',
+    contextWindow: 500,
+    reservedTokens: 100,
+    trigger: 'force',
+    force: true,
+    protectRecentMessages: 2,
+    providerId: 'anthropic',
+    reinjection: {
+      userGoal: goal,
+      permissionMode: 'confirm',
+      sessionStateText: 'User goal: Deploy nginx\nActive hosts: sess-1 (last: systemctl status nginx)',
+    },
+  });
+
+  assert.equal(prepared.didAdjust, true);
+  assert.ok(prepared.messages.length <= fixtureMessages.length + 1);
+  const joined = JSON.stringify(prepared.messages);
+  assert.match(joined, /Deploy nginx|Command failed|ssl_certificate/);
+  assert.ok(prepared.trace?.estimatorKind);
+});