feat: shopping list rename/delete, item reorder+categories+search, ingredient-quantity parsing fix

- Fixed a real i18n bug: the checked-count line called the wrong
  translation namespace and rendered the literal key on screen
- Shopping lists can now be renamed and deleted from both the list index
  and detail pages (API already supported delete; rename was net new)
- Root-caused "long list UI is off": meal-plan-generated lists never set
  an aisle, so every item fell into one undifferentiated "Other" bucket
  despite the grouping UI existing. Added a keyword-based aisle guesser
  wired into list generation (fallback only, never overrides an explicit
  aisle) plus a one-click "auto-categorize" for existing lists
- Items can now be reordered by drag-and-drop within a category (dnd-kit),
  recategorized via a dropdown, deleted, searched, and sorted (category /
  alphabetical / unchecked-first); searching flattens the grouped view
- Fixed a separate bug: AI-generated ingredients sometimes embedded the
  quantity/unit in the name itself (e.g. "2 cups flour" as one string).
  Added extractIngredientQuantity() as a Zod transform at both recipe
  create/update routes (the choke point every creation path funnels
  through) to split it back out, plus schema descriptions on the AI
  ingredient schemas as a prevention layer

New migration 0028 (shopping_list_items.sort_order), left unapplied like
the others. Verified with typecheck, lint, and a clean --no-cache docker
build.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

packages/db/src/migrations/0028_smiling_ezekiel_stane.sql

@@ -0,0 +1 @@
+ALTER TABLE "shopping_list_items" ADD COLUMN "sort_order" integer DEFAULT 0 NOT NULL;

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

@@ -197,6 +197,13 @@
       "when": 1783667700330,
       "tag": "0027_special_siren",
       "breakpoints": true
+    },
+    {
+      "idx": 28,
+      "version": "7",
+      "when": 1783671061049,
+      "tag": "0028_smiling_ezekiel_stane",
+      "breakpoints": true
     }
   ]
 }

packages/db/src/schema/meal-planning.ts

@@ -73,6 +73,7 @@ export const shoppingListItems = pgTable("shopping_list_items", {
   aisle: text("aisle"),
   checked: boolean("checked").notNull().default(false),
   inPantry: boolean("in_pantry").notNull().default(false),
+  sortOrder: integer("sort_order").notNull().default(0),
 });
 
 export const shoppingListMembers = pgTable("shopping_list_members", {