feat: Add pedigree routes for COI calculation, direct relation checks, and ancestral/descendant trees.

server/test_app.js

@@ -0,0 +1,26 @@
+const app = require('./index');
+const http = require('http');
+
+// Start temporary server
+const server = http.createServer(app);
+server.listen(3030, async () => {
+  console.log('Server started on 3030');
+  try {
+    const res = await fetch('http://localhost:3030/api/pedigree/relations/1/2');
+    const text = await res.text();
+    console.log('GET /api/pedigree/relations/1/2 RESPONSE:', res.status, text.substring(0, 150));
+
+    const postRes = await fetch('http://localhost:3030/api/pedigree/trial-pairing', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ sire_id: 1, dam_id: 2 })
+    });
+    const postText = await postRes.text();
+    console.log('POST /api/pedigree/trial-pairing RESPONSE:', postRes.status, postText.substring(0, 150));
+  } catch (err) {
+    console.error('Fetch error:', err);
+  } finally {
+    server.close();
+    process.exit(0);
+  }
+});