feat: add homeowner from dropdown — any user can add inline

backend/src/routes/homeowners.js

@@ -21,3 +21,30 @@ router.get('/', async (req, res) => {
 });
 
 module.exports = router;
+
+// POST /api/homeowners — any authenticated user can add a homeowner
+router.post("/", async (req, res) => {
+  try {
+    const { name } = req.body;
+    if (!name || typeof name !== "string" || name.trim().length < 2) {
+      return res.status(400).json({ error: "Name must be at least 2 characters" });
+    }
+    const trimmed = name.trim();
+    // Check for duplicate
+    const existing = await req.prisma.homeowner.findFirst({
+      where: { name: { equals: trimmed, mode: "insensitive" } },
+    });
+    if (existing) {
+      // Return existing rather than error — convenient for the UI
+      return res.json({ homeowner: existing, existing: true });
+    }
+    const homeowner = await req.prisma.homeowner.create({
+      data: { name: trimmed },
+      select: { id: true, name: true },
+    });
+    res.status(201).json({ homeowner });
+  } catch (err) {
+    console.error("Create homeowner error:", err);
+    res.status(500).json({ error: "Failed to create homeowner" });
+  }
+});