feat: add context-aware meal fit engine

server/routes/meal-planning.js

@@ -9,6 +9,7 @@ import crypto from 'node:crypto';
 import * as db from '../db.js';
 import { createLogger } from '../logger.js';
 import { str, num, date, oneOf, collectErrors, MAX_TITLE, MAX_TEXT, MAX_SHORT } from '../middleware/validate.js';
+import { generateGroceryList, scoreMealSuggestions } from '../services/meal-fit.js';
 
 const log = createLogger('MealPlanning');
 const router = express.Router();
@@ -254,6 +255,28 @@ router.put('/cook-assignments/:mealId', (req, res) => {
   } catch (err) { handleError(res, err, 'PUT /cook-assignments/:mealId'); }
 });
 
+router.post('/suggestions', (req, res) => {
+  try {
+    const meals = Array.isArray(req.body?.meals) ? req.body.meals : [];
+    const selectedMeals = Array.isArray(req.body?.selectedMeals) ? req.body.selectedMeals : [];
+    const context = {
+      meals,
+      dayContext: req.body?.dayContext || req.body?.day_context || {},
+      preferences: Array.isArray(req.body?.preferences) ? req.body.preferences : [],
+      inventory: Array.isArray(req.body?.inventory) ? req.body.inventory : [],
+      recentMeals: Array.isArray(req.body?.recentMeals) ? req.body.recentMeals : [],
+      pantryStaples: Array.isArray(req.body?.pantryStaples) ? req.body.pantryStaples : [],
+      today: req.body?.today,
+    };
+    if (!meals.length) return res.status(400).json({ error: 'At least one meal is required.', code: 400 });
+    const suggestions = scoreMealSuggestions(context);
+    const groceryList = selectedMeals.length
+      ? generateGroceryList(selectedMeals, { inventory: context.inventory, pantryStaples: context.pantryStaples })
+      : null;
+    res.json({ data: { suggestions, groceryList } });
+  } catch (err) { handleError(res, err, 'POST /suggestions'); }
+});
+
 router.get('/feedback', (req, res) => {
   try {
     const limit = Math.max(1, Math.min(200, Number(req.query.limit || 50)));