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packages/hive-mind-core/tests/harvest/claude-adapter.test.ts

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+import { describe, it, expect } from 'vitest';
+import { ClaudeAdapter } from '../../src/harvest/claude-adapter.js';
+
+/**
+ * R6 — new export streams from the 2026-04-22 Claude.ai export refresh:
+ * `memories` (conversations_memory + project_memories) → type='memory',
+ * `design_chats[]` → conversation items, plus enriched project-docs
+ * parsing (empty-doc skip, project-level timestamp fallback, doc/project
+ * uuid metadata). W4.4 caption extraction coverage lives in
+ * caption-parity.test.ts.
+ *
+ * Reverse-ported from OSS hive-mind (oss-drift triage R6, 2026-06-11).
+ */
+
+describe('ClaudeAdapter — 2026-04-22 export streams (R6)', () => {
+  const fixture = {
+    conversations: [{
+      uuid: 'conv-1',
+      name: 'Regular chat',
+      created_at: '2026-04-01T09:00:00Z',
+      chat_messages: [
+        { sender: 'human', text: 'Hello Claude', created_at: '2026-04-01T09:00:00Z' },
+        { sender: 'assistant', text: 'Hello! How can I help?', created_at: '2026-04-01T09:00:05Z' },
+      ],
+    }],
+    projects: [{
+      uuid: 'proj-1',
+      name: 'Waggle Launch',
+      created_at: '2026-03-01T08:00:00Z',
+      updated_at: '2026-03-15T12:00:00Z',
+      docs: [
+        // No own created_at → falls back to project updated_at.
+        { uuid: 'doc-1', filename: 'launch-plan.md', content: 'Ship in June.' },
+        // Empty content → skipped entirely.
+        { uuid: 'doc-2', filename: 'empty.md', content: '' },
+      ],
+    }],
+    memories: [{
+      account_uuid: 'acct-1',
+      conversations_memory: 'User is Marko, founder of Egzakta Group.',
+      project_memories: {
+        'proj-1': 'Project memory: launch is the priority.',
+        'proj-empty': '',
+      },
+    }],
+    design_chats: [{
+      uuid: 'dc-1',
+      title: 'Landing page redesign',
+      project: 'proj-1',
+      created_at: '2026-04-20T10:00:00Z',
+      messages: [
+        { role: 'user', text: 'Make the hero bolder', created_at: '2026-04-20T10:00:00Z' },
+        { role: 'assistant', content: [{ type: 'text', text: 'Done — increased weight.' }] },
+      ],
+    }],
+  };
+
+  it('parses all four streams from a combined export', () => {
+    const items = new ClaudeAdapter().parse(fixture);
+    // 1 conversation + 1 project doc (empty one skipped) + 2 memories + 1 design chat
+    expect(items).toHaveLength(5);
+  });
+
+  it('conversations_memory becomes a type=memory item', () => {
+    const items = new ClaudeAdapter().parse(fixture);
+    const mem = items.find(i => i.type === 'memory' && i.title === 'Claude Memory — Conversations');
+    expect(mem).toBeDefined();
+    expect(mem!.content).toContain('founder of Egzakta Group');
+    expect(mem!.metadata.memoryKind).toBe('conversations_memory');
+    expect(mem!.metadata.accountUuid).toBe('acct-1');
+    expect(() => new Date(mem!.timestamp).toISOString()).not.toThrow();
+  });
+
+  it('project_memories map becomes per-project memory items, skipping empty values', () => {
+    const items = new ClaudeAdapter().parse(fixture);
+    const projMems = items.filter(i => i.metadata.memoryKind === 'project_memory');
+    expect(projMems).toHaveLength(1); // proj-empty skipped
+    expect(projMems[0].title).toBe('Claude Memory — Project proj-1');
+    expect(projMems[0].content).toContain('launch is the priority');
+    expect(projMems[0].metadata.projectUuid).toBe('proj-1');
+    expect(projMems[0].metadata.accountUuid).toBe('acct-1');
+  });
+
+  it('design_chats become conversation items with messages and stream metadata', () => {
+    const items = new ClaudeAdapter().parse(fixture);
+    const dc = items.find(i => i.metadata.stream === 'design_chats');
+    expect(dc).toBeDefined();
+    expect(dc!.type).toBe('conversation');
+    expect(dc!.title).toBe('Landing page redesign');
+    expect(dc!.messages).toHaveLength(2);
+    expect(dc!.messages![0].role).toBe('user');
+    // Content-block message shape is parsed too.
+    expect(dc!.content).toContain('assistant: Done — increased weight.');
+    expect(dc!.timestamp).toBe('2026-04-20T10:00:00Z');
+    expect(dc!.metadata.designChatUuid).toBe('dc-1');
+    expect(dc!.metadata.projectUuid).toBe('proj-1');
+  });
+
+  it('project docs skip empty content and fall back to project updated_at for timestamp', () => {
+    const items = new ClaudeAdapter().parse(fixture);
+    const docs = items.filter(i => i.type === 'artifact');
+    expect(docs).toHaveLength(1); // empty.md skipped
+    const doc = docs[0];
+    expect(doc.title).toBe('launch-plan.md');
+    expect(doc.timestamp).toBe('2026-03-15T12:00:00Z'); // project updated_at fallback
+    expect(doc.metadata.docUuid).toBe('doc-1');
+    expect(doc.metadata.projectUuid).toBe('proj-1');
+    expect(doc.metadata.filename).toBe('launch-plan.md');
+    expect(doc.metadata.projectName).toBe('Waggle Launch');
+  });
+
+  it('project doc falls back to project created_at when updated_at is absent', () => {
+    const items = new ClaudeAdapter().parse({
+      projects: [{
+        uuid: 'p2',
+        name: 'Old project',
+        created_at: '2026-01-05T00:00:00Z',
+        docs: [{ uuid: 'd9', filename: 'notes.md', content: 'old notes' }],
+      }],
+    });
+    expect(items).toHaveLength(1);
+    expect(items[0].timestamp).toBe('2026-01-05T00:00:00Z');
+  });
+
+  it('accepts a bare (non-array) memories object', () => {
+    const items = new ClaudeAdapter().parse({
+      memories: { conversations_memory: 'bare object form' },
+    });
+    expect(items).toHaveLength(1);
+    expect(items[0].type).toBe('memory');
+    expect(items[0].content).toBe('bare object form');
+  });
+
+  it('still parses the plain conversations stream (regression)', () => {
+    const items = new ClaudeAdapter().parse(fixture);
+    const conv = items.find(i => i.metadata.conversationId === 'conv-1');
+    expect(conv).toBeDefined();
+    expect(conv!.type).toBe('conversation');
+    expect(conv!.messages).toHaveLength(2);
+    expect(conv!.timestamp).toBe('2026-04-01T09:00:00Z');
+  });
+
+  it('W4.4 attachment extraction applies to design_chats messages too', () => {
+    const items = new ClaudeAdapter().parse({
+      design_chats: [{
+        uuid: 'dc-2',
+        messages: [
+          {
+            role: 'user',
+            text: 'Use this mock',
+            attachments: [{ file_name: 'mock.png', extracted_content: 'Hero section wireframe v2' }],
+          },
+        ],
+      }],
+    });
+    expect(items).toHaveLength(1);
+    expect(items[0].content).toContain('[Attached: mock.png] Hero section wireframe v2');
+  });
+});