feat(09-01): add classification API route, client hook, badge component, and setup detail wiring

- Add PATCH /:id/items/:itemId/classification endpoint with Zod validation
- Add apiPatch helper to client API library
- Add useUpdateItemClassification mutation hook
- Add classification field to SetupItemWithCategory interface
- Create ClassificationBadge click-to-cycle component (base/worn/consumable)
- Wire ClassificationBadge into setup detail page item grid
- Add integration tests for PATCH classification route (valid + invalid)

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

src/server/routes/setups.ts

@@ -3,6 +3,7 @@ import { Hono } from "hono";
 import {
 	createSetupSchema,
 	syncSetupItemsSchema,
+	updateClassificationSchema,
 	updateSetupSchema,
 } from "../../shared/schemas.ts";
 import {
@@ -12,6 +13,7 @@ import {
 	getSetupWithItems,
 	removeSetupItem,
 	syncSetupItems,
+	updateItemClassification,
 	updateSetup,
 } from "../services/setup.service.ts";
 
@@ -73,6 +75,19 @@ app.put("/:id/items", zValidator("json", syncSetupItemsSchema), (c) => {
 	return c.json({ success: true });
 });
 
+app.patch(
+	"/:id/items/:itemId/classification",
+	zValidator("json", updateClassificationSchema),
+	(c) => {
+		const db = c.get("db");
+		const setupId = Number(c.req.param("id"));
+		const itemId = Number(c.req.param("itemId"));
+		const { classification } = c.req.valid("json");
+		updateItemClassification(db, setupId, itemId, classification);
+		return c.json({ success: true });
+	},
+);
+
 app.delete("/:id/items/:itemId", (c) => {
 	const db = c.get("db");
 	const setupId = Number(c.req.param("id"));