fix: resolve all lint errors across source and test files

- Fix unused function parameters (prefix with _)
- Fix unused imports in test files
- Fix import ordering in test files
- Auto-fix formatting issues across 22 files

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

src/server/services/global-item.service.ts

@@ -1,7 +1,7 @@
-import { and, count, eq, ilike, or, sql } from "drizzle-orm";
 import type { SQL } from "drizzle-orm";
+import { and, count, eq, ilike, or, sql } from "drizzle-orm";
 import { db as prodDb } from "../../db/index.ts";
-import { globalItemTags, globalItems, items, tags } from "../../db/schema.ts";
+import { globalItems, globalItemTags, items, tags } from "../../db/schema.ts";
 
 type Db = typeof prodDb;
 
@@ -22,10 +22,7 @@ export async function searchGlobalItems(
 		const escaped = query.replace(/%/g, "\\%").replace(/_/g, "\\_");
 		const pattern = `%${escaped}%`;
 		conditions.push(
-			or(
-				ilike(globalItems.brand, pattern),
-				ilike(globalItems.model, pattern),
-			)!,
+			or(ilike(globalItems.brand, pattern), ilike(globalItems.model, pattern))!,
 		);
 	}
 
@@ -59,10 +56,7 @@ export async function searchGlobalItems(
  * Get a single global item by ID with the count of user items referencing it
  * via items.globalItemId.
  */
-export async function getGlobalItemWithOwnerCount(
-	db: Db = prodDb,
-	id: number,
-) {
+export async function getGlobalItemWithOwnerCount(db: Db = prodDb, id: number) {
 	const [item] = await db
 		.select()
 		.from(globalItems)