feat(17-02): wire storage service into all routes and MCP tools, remove static /uploads/*

- Replace unlink() with deleteImage() in items and threads routes
- Add withImageUrl/withImageUrls to item, thread, setup GET responses
- Enrich MCP tool responses with presigned image URLs
- Remove /uploads/* static file serving from server index
- Update MCP image tool description (local -> storage)

src/server/mcp/tools/images.ts

@@ -19,7 +19,7 @@ export const imageToolDefinitions = [
 	{
 		name: "upload_image_from_url",
 		description:
-			"Fetch an image from a URL and save it locally. Returns the filename to use with create_item or add_candidate.",
+			"Fetch an image from a URL and upload it to storage. Returns the filename to use with create_item or add_candidate.",
 		inputSchema: {
 			url: z
 				.string()

src/server/mcp/tools/items.ts

@@ -7,6 +7,7 @@ import {
 	getItemById,
 	updateItem,
 } from "../../services/item.service.ts";
+import { withImageUrl, withImageUrls } from "../../services/storage.service.ts";
 
 type Db = typeof prodDb;
 
@@ -95,13 +96,11 @@ export function registerItemTools(db: Db, userId: number) {
 	return {
 		list_items: async (args: { categoryId?: number }): Promise<ToolResult> => {
 			try {
-				const items = await getAllItems(db, userId);
+				let items = await getAllItems(db, userId);
 				if (args.categoryId) {
-					return textResult(
-						items.filter((i) => i.categoryId === args.categoryId),
-					);
+					items = items.filter((i) => i.categoryId === args.categoryId);
 				}
-				return textResult(items);
+				return textResult(await withImageUrls(items));
 			} catch (err) {
 				return errorResult((err as Error).message);
 			}
@@ -111,7 +110,7 @@ export function registerItemTools(db: Db, userId: number) {
 			try {
 				const item = await getItemById(db, userId, args.id);
 				if (!item) return errorResult(`Item ${args.id} not found`);
-				return textResult(item);
+				return textResult(await withImageUrl(item));
 			} catch (err) {
 				return errorResult((err as Error).message);
 			}

src/server/mcp/tools/threads.ts

@@ -1,5 +1,6 @@
 import { z } from "zod";
 import type { db as prodDb } from "../../../db/index.ts";
+import { withImageUrls } from "../../services/storage.service.ts";
 import {
 	createCandidate,
 	createThread,
@@ -134,7 +135,8 @@ export function registerThreadTools(db: Db, userId: number) {
 			try {
 				const thread = await getThreadWithCandidates(db, userId, args.id);
 				if (!thread) return errorResult(`Thread ${args.id} not found`);
-				return textResult(thread);
+				const enrichedCandidates = await withImageUrls(thread.candidates);
+				return textResult({ ...thread, candidates: enrichedCandidates });
 			} catch (err) {
 				return errorResult((err as Error).message);
 			}