fix: persist LLM predictions without stable ID shadowing

test/intelligence-store.test.mjs

@@ -0,0 +1,44 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { mkdtempSync, rmSync } from 'node:fs';
+import { tmpdir } from 'node:os';
+import { join } from 'node:path';
+import { IntelligenceStore } from '../lib/intelligence-store.mjs';
+
+test('records LLM ideas as stable predictions', async (t) => {
+  const directory = mkdtempSync(join(tmpdir(), 'intelligence-store-'));
+  t.after(() => rmSync(directory, { recursive: true, force: true }));
+
+  const store = await new IntelligenceStore(join(directory, 'intelligence.db')).init();
+  if (!store.available) {
+    t.skip(`node:sqlite unavailable: ${store.reason}`);
+    return;
+  }
+
+  store.recordRun({
+    meta: {
+      timestamp: '2026-07-04T10:17:51.011Z',
+      sourcesOk: 22,
+      sourcesDegraded: 7,
+      sourcesFailed: 0,
+    },
+    ideasSource: 'llm',
+    ideas: [{
+      title: 'Gold safe-haven hedge',
+      type: 'HEDGE',
+      ticker: 'GLD',
+      confidence: 'MEDIUM',
+      rationale: 'Geopolitical risk remains elevated.',
+      risk: 'Risk appetite recovers.',
+      horizon: 'Weeks',
+      signals: ['geopolitical escalation'],
+      source: 'llm',
+    }],
+  }, { summary: { direction: 'risk-off' } });
+
+  const result = store.listPredictions({ limit: 10 });
+  assert.equal(result.available, true);
+  assert.equal(result.predictions.length, 1);
+  assert.equal(result.predictions[0].title, 'Gold safe-haven hedge');
+  assert.match(result.predictions[0].stable_id, /^prediction-/);
+});