feat: manual nutrition entry on recipe editor

Lets authors enter nutrition values by hand instead of relying only on
the AI estimate; the detail-page panel now shows whether data was
manually entered or AI-estimated and offers to switch between them.

v0.35.0

packages/db/src/migrations/0040_loving_spot.sql

@@ -0,0 +1 @@
+ALTER TABLE "recipes" ADD COLUMN "nutrition_manual" boolean DEFAULT false NOT NULL;

packages/db/src/migrations/meta/_journal.json

@@ -281,6 +281,13 @@
       "when": 1784030221865,
       "tag": "0039_sudden_franklin_storm",
       "breakpoints": true
+    },
+    {
+      "idx": 40,
+      "version": "7",
+      "when": 1784036519678,
+      "tag": "0040_loving_spot",
+      "breakpoints": true
     }
   ]
 }

packages/db/src/schema/recipes.ts

@@ -43,6 +43,7 @@ export const recipes = pgTable("recipes", {
   dietaryTags: jsonb("dietary_tags").$type<DietaryTags>().default({}),
   dietaryVerified: boolean("dietary_verified").notNull().default(false),
   nutritionData: jsonb("nutrition_data").$type<{ perServing: { calories: number; proteinG: number; carbsG: number; fatG: number; fiberG: number; sodiumMg: number } }>(),
+  nutritionManual: boolean("nutrition_manual").notNull().default(false),
   difficulty: difficultyEnum("difficulty"),
   prepMins: integer("prep_mins"),
   cookMins: integer("cook_mins"),