[Init] Initial commit - NetMesh terminal manager

infrastructure/ai/harness/toolResultFitting.test.ts

@@ -0,0 +1,59 @@
+import { describe, it } from 'node:test';
+import assert from 'node:assert/strict';
+
+import { fitLargeToolResultForModel } from './toolResultFitting';
+import { ToolOutputStore } from './toolOutputStore';
+
+describe('fitLargeToolResultForModel', () => {
+  it('truncates large nested string fields and stores the full content behind a handle', () => {
+    const store = new ToolOutputStore();
+    const body = `${'alpha\n'.repeat(1000)}important-tail`;
+
+    const fitted = fitLargeToolResultForModel({
+      result: {
+        ok: true,
+        note: {
+          id: 'note-1',
+          title: 'Runbook',
+          content: body,
+        },
+      },
+      capabilityId: 'vault.note.get',
+      chatSessionId: 'chat-1',
+      toolOutputStore: store,
+      maxStringChars: 500,
+    }) as {
+      note: { content: string };
+    };
+
+    assert.notEqual(fitted.note.content, body);
+    assert.match(fitted.note.content, /tool output handle/);
+    assert.match(fitted.note.content, /capability=vault\.note\.get/);
+    assert.match(fitted.note.content, /field=note\.content/);
+    assert.match(fitted.note.content, /handleId=tool-output-/);
+
+    const handleId = fitted.note.content.match(/handleId=(tool-output-[^\]\s]+)/)?.[1];
+    assert.ok(handleId);
+    assert.equal(store.read({ handleId, mode: 'full', maxChars: body.length + 100 }, 'chat-1'), body);
+  });
+
+  it('leaves small results unchanged', () => {
+    const result = {
+      ok: true,
+      note: {
+        id: 'note-1',
+        content: 'short note',
+      },
+    };
+
+    const fitted = fitLargeToolResultForModel({
+      result,
+      capabilityId: 'vault.note.get',
+      chatSessionId: 'chat-1',
+      toolOutputStore: new ToolOutputStore(),
+      maxStringChars: 500,
+    });
+
+    assert.equal(fitted, result);
+  });
+});