feat(30-01): add popular-items-by-tags endpoint to discovery routes

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/server/routes/discovery.ts

@@ -1,9 +1,11 @@
 import { Hono } from "hono";
 import {
+	getPopularItemsByTags,
 	getPopularSetups,
 	getRecentGlobalItems,
 	getTrendingCategories,
 } from "../services/discovery.service.ts";
+import { withImageUrls } from "../services/storage.service.ts";
 
 type Env = { Variables: { db?: any } };
 
@@ -35,4 +37,23 @@ app.get("/categories", async (c) => {
 	return c.json(result);
 });
 
+app.get("/popular-items", async (c) => {
+	const db = c.get("db");
+	const tagsParam = c.req.query("tags") || "";
+	const limitParam = c.req.query("limit");
+	const tagNames = tagsParam
+		.split(",")
+		.map((t) => t.trim())
+		.filter(Boolean);
+	const limit = limitParam ? Math.min(Number.parseInt(limitParam, 10), 50) : 24;
+
+	if (tagNames.length === 0) {
+		return c.json({ items: [] });
+	}
+
+	const results = await getPopularItemsByTags(db, tagNames, limit);
+	const enriched = await withImageUrls(results);
+	return c.json({ items: enriched });
+});
+
 export { app as discoveryRoutes };