Rebuild company overview analysis page

lib/server/recent-developments.test.ts

@@ -0,0 +1,86 @@
+import { describe, expect, it } from 'bun:test';
+import type { Filing } from '@/lib/types';
+import { __recentDevelopmentsInternals, getRecentDevelopments, secFilingsDevelopmentSource } from './recent-developments';
+
+function filing(input: Partial<Filing> & Pick<Filing, 'accession_number' | 'filing_type' | 'filing_date' | 'ticker' | 'cik' | 'company_name'>): Filing {
+  return {
+    id: 1,
+    filing_url: 'https://www.sec.gov/Archives/example.htm',
+    submission_url: null,
+    primary_document: 'example.htm',
+    metrics: null,
+    analysis: null,
+    created_at: '2026-03-01T00:00:00.000Z',
+    updated_at: '2026-03-01T00:00:00.000Z',
+    ...input
+  };
+}
+
+describe('recent developments', () => {
+  it('prioritizes 8-K items ahead of periodic filings', async () => {
+    const items = await secFilingsDevelopmentSource.fetch('MSFT', {
+      now: new Date('2026-03-12T12:00:00.000Z'),
+      filings: [
+        filing({
+          accession_number: '0001',
+          filing_type: '10-Q',
+          filing_date: '2026-03-09',
+          ticker: 'MSFT',
+          cik: '0000789019',
+          company_name: 'Microsoft Corp'
+        }),
+        filing({
+          accession_number: '0002',
+          filing_type: '8-K',
+          filing_date: '2026-03-10',
+          ticker: 'MSFT',
+          cik: '0000789019',
+          company_name: 'Microsoft Corp'
+        })
+      ]
+    });
+
+    expect(items[0]?.kind).toBe('8-K');
+    expect(items[0]?.title).toContain('8-K');
+  });
+
+  it('builds a ready recent developments payload from filing records', async () => {
+    const developments = await getRecentDevelopments('MSFT', {
+      now: new Date('2026-03-12T12:00:00.000Z'),
+      filings: [
+        filing({
+          accession_number: '0002',
+          filing_type: '8-K',
+          filing_date: '2026-03-10',
+          ticker: 'MSFT',
+          cik: '0000789019',
+          company_name: 'Microsoft Corp',
+          analysis: {
+            text: 'The company announced a new enterprise AI contract.',
+            provider: 'zhipu',
+            model: 'glm-5'
+          }
+        })
+      ]
+    });
+
+    expect(developments.status).toBe('ready');
+    expect(developments.items).toHaveLength(1);
+    expect(developments.items[0]?.summary).toContain('enterprise AI contract');
+  });
+
+  it('creates heuristic summaries when filing analysis is unavailable', () => {
+    const summary = __recentDevelopmentsInternals.buildSummary(
+      filing({
+        accession_number: '0003',
+        filing_type: '10-K',
+        filing_date: '2026-03-02',
+        ticker: 'MSFT',
+        cik: '0000789019',
+        company_name: 'Microsoft Corp'
+      })
+    );
+
+    expect(summary).toContain('10-K');
+  });
+});