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/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
     }
   ]
 }