feat: stabilization + recipe edit/create UI

backend/src/services/note.service.ts

@@ -0,0 +1,26 @@
+import { getDb } from '../db/connection.js';
+import { ulid } from 'ulid';
+
+export function listNotes(recipeId: string) {
+  return getDb().prepare('SELECT * FROM notes WHERE recipe_id = ? ORDER BY created_at DESC').all(recipeId);
+}
+
+export function createNote(recipeId: string, content: string) {
+  const db = getDb();
+  const recipe = db.prepare('SELECT id FROM recipes WHERE id = ?').get(recipeId);
+  if (!recipe) return null;
+  const id = ulid();
+  db.prepare('INSERT INTO notes (id, recipe_id, content) VALUES (?, ?, ?)').run(id, recipeId, content);
+  return db.prepare('SELECT * FROM notes WHERE id = ?').get(id);
+}
+
+export function updateNote(id: string, content: string) {
+  const db = getDb();
+  const result = db.prepare('UPDATE notes SET content = ? WHERE id = ?').run(content, id);
+  if (result.changes === 0) return null;
+  return db.prepare('SELECT * FROM notes WHERE id = ?').get(id);
+}
+
+export function deleteNote(id: string): boolean {
+  return getDb().prepare('DELETE FROM notes WHERE id = ?').run(id).changes > 0;
+}