Add Phase 1 Pocket Pascal UI: home, pantry, week plan, and plate.

Replace the hello-world shell with the elevated design system, bilingual screens, recipe/extras data, and the interactive Mein Teller view.

Co-authored-by: Cursor <cursoragent@cursor.com>

client/src/screens/BuilderScreen.tsx

@@ -0,0 +1,53 @@
+import { useLocation } from "react-router-dom"
+
+import { GlassCard } from "@/components/ui-pp/GlassCard"
+import { t, tr, ui } from "@/i18n/ui"
+import { foodById } from "@/lib/catalog"
+import { useLanguage } from "@/lib/language"
+import type { BuilderHandoffState } from "@/types/domain"
+
+export function BuilderScreen() {
+  const { lang } = useLanguage()
+  const location = useLocation()
+  const handoff = location.state as BuilderHandoffState | null
+  const ingredientIds = handoff?.ingredientIds ?? []
+
+  return (
+    <div className="flex flex-col gap-4">
+      <GlassCard className="p-4">
+        <p className="type-label text-[var(--ink-faint)]">
+          {t(ui.stubs.comingSoon, lang)}
+        </p>
+        <h1 className="type-display mt-2 text-[var(--ink)]">
+          {t(ui.stubs.builderTitle, lang)}
+        </h1>
+        <p className="type-body mt-2 text-[var(--ink-soft)]">
+          {t(ui.stubs.builderBody, lang)}
+        </p>
+      </GlassCard>
+
+      {ingredientIds.length > 0 ? (
+        <GlassCard className="p-4">
+          <p className="type-body-emphasis text-[var(--ink)]">
+            {t(ui.stubs.builderHandoff, lang)}
+          </p>
+          <ul className="mt-3 flex flex-wrap gap-2">
+            {ingredientIds.map((id) => {
+              const item = foodById[id]
+              if (!item) return null
+              return (
+                <li
+                  key={id}
+                  className="type-caption rounded-[var(--radius-pill)] px-3 py-2 font-bold text-[var(--ink)] ring-1 ring-[var(--border)]"
+                  style={{ background: "var(--glass-fill)" }}
+                >
+                  {tr(item.name, lang)}
+                </li>
+              )
+            })}
+          </ul>
+        </GlassCard>
+      ) : null}
+    </div>
+  )
+}