refactor(editor): IngredientRow + shared types

IngredientRow rendert eine einzelne editierbare Zutat-Zeile. DraftIng
und DraftStep sind jetzt in recipe-editor-types.ts, damit Parent und
Sub-Components auf dieselbe Form referenzieren.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/lib/components/IngredientRow.svelte

@@ -0,0 +1,129 @@
+<script lang="ts">
+  import { Trash2, ChevronUp, ChevronDown } from 'lucide-svelte';
+  import type { DraftIng } from './recipe-editor-types';
+
+  type Props = {
+    ing: DraftIng;
+    idx: number;
+    total: number;
+    onmove: (dir: -1 | 1) => void;
+    onremove: () => void;
+  };
+
+  let { ing, idx, total, onmove, onremove }: Props = $props();
+</script>
+
+<li class="ing-row">
+  <div class="move">
+    <button
+      class="move-btn"
+      type="button"
+      aria-label="Zutat nach oben"
+      disabled={idx === 0}
+      onclick={() => onmove(-1)}
+    >
+      <ChevronUp size={14} strokeWidth={2.5} />
+    </button>
+    <button
+      class="move-btn"
+      type="button"
+      aria-label="Zutat nach unten"
+      disabled={idx === total - 1}
+      onclick={() => onmove(1)}
+    >
+      <ChevronDown size={14} strokeWidth={2.5} />
+    </button>
+  </div>
+  <input class="qty" type="text" bind:value={ing.qty} placeholder="Menge" aria-label="Menge" />
+  <input class="unit" type="text" bind:value={ing.unit} placeholder="Einheit" aria-label="Einheit" />
+  <input class="name" type="text" bind:value={ing.name} placeholder="Zutat" aria-label="Zutat" />
+  <input class="note" type="text" bind:value={ing.note} placeholder="Notiz" aria-label="Notiz" />
+  <button class="del" type="button" aria-label="Zutat entfernen" onclick={onremove}>
+    <Trash2 size={16} strokeWidth={2} />
+  </button>
+</li>
+
+<style>
+  .ing-row {
+    display: grid;
+    grid-template-columns: 28px 70px 70px 1fr 1fr 40px;
+    gap: 0.35rem;
+    align-items: center;
+  }
+  .move {
+    display: flex;
+    flex-direction: column;
+    gap: 2px;
+  }
+  .move-btn {
+    width: 28px;
+    height: 20px;
+    border: 1px solid #cfd9d1;
+    background: white;
+    border-radius: 6px;
+    cursor: pointer;
+    color: #555;
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    padding: 0;
+  }
+  .move-btn:hover:not(:disabled) {
+    background: #f4f8f5;
+  }
+  .move-btn:disabled {
+    opacity: 0.3;
+    cursor: not-allowed;
+  }
+  .ing-row input {
+    padding: 0.5rem 0.55rem;
+    border: 1px solid #cfd9d1;
+    border-radius: 8px;
+    font-size: 0.9rem;
+    min-height: 38px;
+    font-family: inherit;
+    min-width: 0;
+  }
+  .del {
+    width: 40px;
+    height: 40px;
+    border: 1px solid #f1b4b4;
+    background: white;
+    color: #c53030;
+    border-radius: 8px;
+    cursor: pointer;
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+  }
+  .del:hover {
+    background: #fdf3f3;
+  }
+  @media (max-width: 560px) {
+    .ing-row {
+      grid-template-columns: 28px 70px 1fr 40px;
+      grid-template-areas:
+        'move qty name del'
+        'move unit unit del'
+        'note note note note';
+    }
+    .ing-row .move {
+      grid-area: move;
+    }
+    .ing-row .qty {
+      grid-area: qty;
+    }
+    .ing-row .unit {
+      grid-area: unit;
+    }
+    .ing-row .name {
+      grid-area: name;
+    }
+    .ing-row .note {
+      grid-area: note;
+    }
+    .ing-row .del {
+      grid-area: del;
+    }
+  }
+</style>