Add Prettier and ESLint tooling (Refs #77)

tests/unit/db-statements.test.ts

@@ -6,7 +6,9 @@ beforeEach(async () => {
     vi.resetModules();
     fixture = await newFixture([]);
 });
-afterEach(async () => { await fixture.cleanup(); });
+afterEach(async () => {
+    await fixture.cleanup();
+});
 
 describe('prepared statement caching', () => {
     it('tunes the controller connection and stops periodic optimization when closed', async () => {
@@ -24,7 +26,9 @@ describe('prepared statement caching', () => {
             closeDb();
             vi.advanceTimersByTime(60 * 60_000);
             expect(pragma).not.toHaveBeenCalled();
-        } finally { vi.useRealTimers(); }
+        } finally {
+            vi.useRealTimers();
+        }
     });
     it('reuses statements with fresh parameters and remains usable after rollback', async () => {
         const { db } = await import('../../src/lib/server/db/index.js');
@@ -33,10 +37,12 @@ describe('prepared statement caching', () => {
         const insert = db().prepare(insertSql);
         const select = db().prepare(selectSql);
         insert.run('cache-first', 'one');
-        expect(() => db().transaction(() => {
-            db().prepare(insertSql).run('cache-rollback', 'discarded');
-            throw new Error('rollback');
-        })()).toThrow('rollback');
+        expect(() =>
+            db().transaction(() => {
+                db().prepare(insertSql).run('cache-rollback', 'discarded');
+                throw new Error('rollback');
+            })()
+        ).toThrow('rollback');
         db().prepare(insertSql).run('cache-second', 'two');
 
         expect(db().prepare(insertSql)).toBe(insert);
@@ -50,7 +56,9 @@ describe('prepared statement caching', () => {
         const { db, closeDb } = await import('../../src/lib/server/db/index.js');
         const sql = 'SELECT value FROM settings WHERE key = ?';
         const oldStatement = db().prepare(sql);
-        db().prepare('INSERT INTO settings (key, value) VALUES (?, ?)').run('cache-persisted', 'saved');
+        db()
+            .prepare('INSERT INTO settings (key, value) VALUES (?, ?)')
+            .run('cache-persisted', 'saved');
         closeDb();
 
         const statement = db().prepare(sql);