Rebuild company overview analysis page

lib/server/company-overview-synthesis.test.ts

@@ -0,0 +1,85 @@
+import { describe, expect, it, mock } from 'bun:test';
+import { __companyOverviewSynthesisInternals, synthesizeCompanyOverview } from './company-overview-synthesis';
+
+describe('company overview synthesis', () => {
+  it('parses strict json AI responses', () => {
+    const parsed = __companyOverviewSynthesisInternals.parseAiJson(JSON.stringify({
+      bull: ['Demand remains durable'],
+      bear: ['Valuation is demanding'],
+      weeklySummary: 'The week centered on enterprise demand and new disclosures.',
+      weeklyHighlights: ['8-K signaled a new contract']
+    }));
+
+    expect(parsed.bull).toEqual(['Demand remains durable']);
+    expect(parsed.bear).toEqual(['Valuation is demanding']);
+    expect(parsed.weeklyHighlights).toEqual(['8-K signaled a new contract']);
+  });
+
+  it('falls back to memo-backed bullets when AI is unavailable', async () => {
+    const result = await synthesizeCompanyOverview({
+      ticker: 'MSFT',
+      companyName: 'Microsoft Corp',
+      description: 'Microsoft builds software and cloud infrastructure.',
+      memo: {
+        id: 1,
+        user_id: 'u1',
+        organization_id: null,
+        ticker: 'MSFT',
+        rating: 'buy',
+        conviction: 'high',
+        time_horizon_months: 24,
+        packet_title: null,
+        packet_subtitle: null,
+        thesis_markdown: 'Azure demand remains durable.',
+        variant_view_markdown: '',
+        catalysts_markdown: 'Copilot monetization can expand ARPU.',
+        risks_markdown: 'Competition may compress pricing.',
+        disconfirming_evidence_markdown: 'Enterprise optimization could slow seat growth.',
+        next_actions_markdown: '',
+        created_at: '2026-03-01T00:00:00.000Z',
+        updated_at: '2026-03-10T00:00:00.000Z'
+      },
+      latestFilingSummary: null,
+      recentAiReports: [],
+      recentDevelopments: []
+    }, {
+      aiConfigured: false
+    });
+
+    expect(result.bullBear.source).toBe('memo_fallback');
+    expect(result.bullBear.bull[0]).toContain('Azure demand');
+    expect(result.bullBear.bear[0]).toContain('Competition');
+    expect(result.weeklySnapshot?.source).toBe('heuristic');
+  });
+
+  it('uses AI output when available', async () => {
+    const runAnalysis = mock(async () => ({
+      provider: 'zhipu' as const,
+      model: 'glm-5',
+      text: JSON.stringify({
+        bull: ['Demand remains durable'],
+        bear: ['Spending could normalize'],
+        weeklySummary: 'The week was defined by a new contract disclosure.',
+        weeklyHighlights: ['8-K disclosed a new enterprise customer']
+      })
+    }));
+
+    const result = await synthesizeCompanyOverview({
+      ticker: 'MSFT',
+      companyName: 'Microsoft Corp',
+      description: 'Microsoft builds software and cloud infrastructure.',
+      memo: null,
+      latestFilingSummary: null,
+      recentAiReports: [],
+      recentDevelopments: []
+    }, {
+      aiConfigured: true,
+      runAnalysis
+    });
+
+    expect(runAnalysis).toHaveBeenCalledTimes(1);
+    expect(result.bullBear.source).toBe('ai_synthesized');
+    expect(result.bullBear.bull).toEqual(['Demand remains durable']);
+    expect(result.weeklySnapshot?.source).toBe('ai_synthesized');
+  });
+});