feat(windkarte): alle UI-Strings auf t(T.windkarte_*) umgestellt

Keine hardcodierten Texte mehr — alle Strings über CMS translation_bundle
(app.json5). Keys in translations.ts registriert.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/lib/translations.ts

@@ -196,6 +196,26 @@ const TRANSLATION_KEYS = [
   "post_action_copied",
   "post_action_print",
   "post_action_reading_time",
+  // Windkarte (WindkarteBlock / WindAreaPanel).
+  "windkarte_loading",
+  "windkarte_panel_close",
+  "windkarte_reset_aria",
+  "windkarte_status_rechtskraeftig",
+  "windkarte_status_entwurf_2",
+  "windkarte_status_entwurf_3",
+  "windkarte_label_flaeche",
+  "windkarte_label_anlagen_geplant",
+  "windkarte_label_hoehe_max",
+  "windkarte_label_investor",
+  "windkarte_label_gemeinden",
+  "windkarte_label_notizen",
+  "windkarte_stellungnahme_link",
+  "windkarte_action_copy_link",
+  "windkarte_action_copied",
+  "windkarte_action_osm",
+  "windkarte_legend_rechtskraeftig",
+  "windkarte_legend_entwurf_2",
+  "windkarte_legend_distances",
   // Strommix-Live-Widget (StrommixBlock.svelte).
   "strommix_header",
   "strommix_stand",                 // {{time}}