test: add unit tests and fixtures

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tests/fixtures/claude_conversation.json

@@ -0,0 +1,35 @@
+{
+  "uuid": "claude-conv-001",
+  "name": "StartOS Service Packaging",
+  "created_at": "2024-06-10T14:32:00.000Z",
+  "updated_at": "2024-06-10T15:00:00.000Z",
+  "project": {
+    "uuid": "proj-001",
+    "name": "StarTOS Packaging"
+  },
+  "chat_messages": [
+    {
+      "uuid": "msg-001",
+      "sender": "human",
+      "created_at": "2024-06-10T14:32:00.000Z",
+      "content": [
+        {"type": "text", "text": "How do I create a manifest.ts for a StartOS service?"}
+      ]
+    },
+    {
+      "uuid": "msg-002",
+      "sender": "assistant",
+      "created_at": "2024-06-10T14:32:10.000Z",
+      "content": [
+        {"type": "text", "text": "To create a manifest.ts for a StartOS service, you need to define the package metadata:\n\n```typescript\nimport { sdk } from './sdk'\n\nexport const manifest = sdk.Manifest.of({\n  id: 'my-service',\n  title: 'My Service',\n  version: '1.0.0',\n})\n```"},
+        {"type": "tool_use", "id": "tool-001", "name": "search", "input": {"query": "startOS docs"}}
+      ]
+    },
+    {
+      "uuid": "msg-003",
+      "sender": "human",
+      "created_at": "2024-06-10T14:45:00.000Z",
+      "content": "Thank you, that helped!"
+    }
+  ]
+}