Release 0.1: Complete BinectChrome implementation

Implements all requirements from ProductRequirementsDocument.md:
- PDF detection via Chrome Downloads API
- Secure credential storage with AES-GCM encryption
- Binect API integration for PDF uploads
- Popup UI with Binect branding
- Local transfer tracking (500 entry cap)
- Help page with tracking view and CSV export
- 60-day credential retention with auto-expiry
- Accessibility compliance (WCAG 2.1 AA)

Technical implementation:
- Chrome Extension Manifest V3
- TypeScript with strict mode
- Webpack build system
- Jest test suite (22/22 passing)
- ESLint configured (0 errors)

Build output: 13 KB total (production minified)
Test coverage: crypto, pdf-detector, tracker, binect-api

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

tests/tracker.test.ts

@@ -0,0 +1,153 @@
+/**
+ * Tests for tracking system
+ */
+
+import {
+  addTrackingEntry,
+  getAllEntries,
+  getTrackingSummary,
+  clearTracking,
+  exportAsCSV
+} from '../src/tracking/tracker';
+
+// Mock chrome storage
+const mockStorage: { [key: string]: any } = {};
+
+// Setup chrome storage mocks
+(chrome.storage.local.get as jest.Mock).mockImplementation((key) => {
+  return Promise.resolve({ [key]: mockStorage[key] });
+});
+
+(chrome.storage.local.set as jest.Mock).mockImplementation((data) => {
+  Object.assign(mockStorage, data);
+  return Promise.resolve();
+});
+
+(chrome.storage.local.remove as jest.Mock).mockImplementation((key) => {
+  delete mockStorage[key];
+  return Promise.resolve();
+});
+
+describe('Tracking system', () => {
+  beforeEach(() => {
+    // Clear mock storage
+    Object.keys(mockStorage).forEach((key) => delete mockStorage[key]);
+    jest.clearAllMocks();
+  });
+
+  test('should add tracking entry', async () => {
+    await addTrackingEntry({
+      timestamp: Date.now(),
+      sourceDomain: 'example.com',
+      destinationUrl: 'https://api.binect.de/upload',
+      pdfSize: 1024,
+      result: 'success'
+    });
+
+    const entries = await getAllEntries();
+    expect(entries.length).toBe(1);
+    expect(entries[0].sourceDomain).toBe('example.com');
+    expect(entries[0].result).toBe('success');
+  });
+
+  test('should maintain max entries limit', async () => {
+    // Add 501 entries
+    for (let i = 0; i < 501; i++) {
+      await addTrackingEntry({
+        timestamp: Date.now(),
+        sourceDomain: `example${i}.com`,
+        destinationUrl: 'https://api.binect.de/upload',
+        pdfSize: 1024,
+        result: 'success'
+      });
+    }
+
+    const entries = await getAllEntries();
+    expect(entries.length).toBe(500); // Should be capped at 500
+    expect(entries[0].sourceDomain).toBe('example500.com'); // Most recent first
+  });
+
+  test('should calculate tracking summary correctly', async () => {
+    await addTrackingEntry({
+      timestamp: Date.now(),
+      sourceDomain: 'example.com',
+      destinationUrl: 'https://api.binect.de/upload',
+      pdfSize: 1024,
+      result: 'success'
+    });
+
+    await addTrackingEntry({
+      timestamp: Date.now(),
+      sourceDomain: 'example2.com',
+      destinationUrl: 'https://api.binect.de/upload',
+      pdfSize: 2048,
+      result: 'failure',
+      errorMessage: 'Network error'
+    });
+
+    const summary = await getTrackingSummary();
+    expect(summary.totalTransfers).toBe(2);
+    expect(summary.successfulTransfers).toBe(1);
+    expect(summary.failedTransfers).toBe(1);
+    expect(summary.lastTransferTime).toBeDefined();
+  });
+
+  test('should export to CSV correctly', () => {
+    const entries = [
+      {
+        id: '1',
+        timestamp: 1640000000000,
+        sourceDomain: 'example.com',
+        destinationUrl: 'https://api.binect.de/upload',
+        pdfSize: 1024,
+        result: 'success' as const
+      },
+      {
+        id: '2',
+        timestamp: 1640000001000,
+        sourceDomain: 'test.com',
+        destinationUrl: 'https://api.binect.de/upload',
+        pdfSize: 2048,
+        result: 'failure' as const,
+        errorMessage: 'Network error'
+      }
+    ];
+
+    const csv = exportAsCSV(entries);
+    expect(csv).toContain('Timestamp,Source Domain,Destination URL');
+    expect(csv).toContain('example.com');
+    expect(csv).toContain('test.com');
+    expect(csv).toContain('Network error');
+  });
+
+  test('should handle CSV escaping', () => {
+    const entries = [
+      {
+        id: '1',
+        timestamp: 1640000000000,
+        sourceDomain: 'example,with,commas.com',
+        destinationUrl: 'https://api.binect.de/upload',
+        pdfSize: 1024,
+        result: 'success' as const
+      }
+    ];
+
+    const csv = exportAsCSV(entries);
+    expect(csv).toContain('"example,with,commas.com"');
+  });
+
+  test('should clear tracking data', async () => {
+    await addTrackingEntry({
+      timestamp: Date.now(),
+      sourceDomain: 'example.com',
+      destinationUrl: 'https://api.binect.de/upload',
+      pdfSize: 1024,
+      result: 'success'
+    });
+
+    await clearTracking();
+
+    const entries = await getAllEntries();
+    expect(entries.length).toBe(0);
+  });
+});