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>

tests/services/global-item.service.test.ts

@@ -1,7 +1,7 @@
 import { beforeEach, describe, expect, it } from "bun:test";
 import {
-	globalItemTags,
 	globalItems,
+	globalItemTags,
 	items,
 	tags,
 } from "../../src/db/schema.ts";
@@ -151,7 +151,7 @@ describe("Global Item Service", () => {
 				brand: "Revelate Designs",
 				model: "Terrapin System",
 			});
-			const gi2 = await insertGlobalItem(db, {
+			const _gi2 = await insertGlobalItem(db, {
 				brand: "Apidura",
 				model: "Handlebar Pack",
 			});
@@ -205,9 +205,7 @@ describe("Global Item Service", () => {
 			await tagGlobalItem(db, gi2.id, tag.id);
 
 			// Both tagged bikepacking, but only one matches "terrapin"
-			const results = await searchGlobalItems(db, "terrapin", [
-				"bikepacking",
-			]);
+			const results = await searchGlobalItems(db, "terrapin", ["bikepacking"]);
 			expect(results).toHaveLength(1);
 			expect(results[0].model).toBe("Terrapin System");
 		});