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/routes/global-items.test.ts

@@ -1,8 +1,8 @@
 import { beforeEach, describe, expect, it } from "bun:test";
 import { Hono } from "hono";
 import {
-	globalItemTags,
 	globalItems,
+	globalItemTags,
 	items,
 	tags,
 } from "../../src/db/schema.ts";
@@ -102,9 +102,7 @@ describe("Global Item Routes", () => {
 				.insert(globalItemTags)
 				.values({ globalItemId: gi1.id, tagId: tag.id });
 
-			const res = await app.request(
-				"/api/global-items?tags=ultralight",
-			);
+			const res = await app.request("/api/global-items?tags=ultralight");
 			expect(res.status).toBe(200);
 
 			const body = await res.json();

tests/routes/oauth.test.ts

@@ -2,7 +2,6 @@ import { beforeEach, describe, expect, it, mock } from "bun:test";
 import { createHash, randomBytes } from "node:crypto";
 import { Hono } from "hono";
 import { oauthRoutes, wellKnownRoute } from "../../src/server/routes/oauth.ts";
-import { createApiKey } from "../../src/server/services/auth.service.ts";
 import { createTestDb } from "../helpers/db.ts";
 
 // Mock @hono/oidc-auth — must be before importing routes
@@ -35,14 +34,14 @@ function generatePkce() {
 
 describe("OAuth Routes", () => {
 	let app: Hono;
-	let db: Awaited<ReturnType<typeof createTestDb>>["db"];
-	let userId: number;
+	let _db: Awaited<ReturnType<typeof createTestDb>>["db"];
+	let _userId: number;
 
 	beforeEach(async () => {
 		const testApp = await createTestApp();
 		app = testApp.app;
-		db = testApp.db;
-		userId = testApp.userId;
+		_db = testApp.db;
+		_userId = testApp.userId;
 		mockGetAuth.mockReset();
 		// Default: user is authenticated via OIDC
 		mockGetAuth.mockReturnValue({

tests/routes/profiles.test.ts

@@ -3,13 +3,9 @@ import { zValidator } from "@hono/zod-validator";
 import { eq } from "drizzle-orm";
 import { Hono } from "hono";
 import * as schema from "../../src/db/schema.ts";
-import { parseId } from "../../src/server/lib/params.ts";
 import { profileRoutes } from "../../src/server/routes/profiles.ts";
 import { setupRoutes } from "../../src/server/routes/setups.ts";
-import {
-	getPublicSetupWithItems,
-	updateProfile,
-} from "../../src/server/services/profile.service.ts";
+import { updateProfile } from "../../src/server/services/profile.service.ts";
 import { updateProfileSchema } from "../../src/shared/schemas.ts";
 import { createTestDb } from "../helpers/db.ts";