task(E4): event template catalog - kino/banquet/standing/podium presets

frontend/src/plugins/builtin/event-tools/index.ts

@@ -186,6 +186,44 @@ export const tableTool = makePlaceTool('table', 'Tisch', '\u25cb',
 export const stageTool = makePlaceTool('stage', 'Bühne', '\u25ad',
   (x, y, layerId) => seating.createStage(x, y, layerId), 'Bühne');
 
+// ─────────────────────────────────────────────────────────────
+// Task E4: Vorlagenkatalog — vorkonfigurierte Event-Bestuhlungs-
+// Sets als Klick-Platzierer mit Standard-Abmessungen.
+// ─────────────────────────────────────────────────────────────
+export const kinoTemplateTool = makePlaceTool('tpl-kino', 'Kino-Reihen', '\u2500\u2500',
+  (x, y, layerId) => {
+    const rows: CADElement[] = [];
+    for (let r = 0; r < 5; r++) {
+      rows.push(...seating.createSeatingRow(x, y + r * 120, layerId, { count: 15, spacing: 55 }));
+    }
+    return rows;
+  }, 'Kino-Bestuhlung (5×15)');
+
+export const banquetTemplateTool = makePlaceTool('tpl-bankett', 'Bankett-Rundtisch', '\u25cb',
+  (x, y, layerId) => {
+    const els: CADElement[] = [];
+    els.push(seating.createTable(x, y, layerId, { width: 180, height: 180 }));
+    for (let i = 0; i < 8; i++) {
+      const angle = (2 * Math.PI * i) / 8;
+      els.push(seating.createChair(x + 140 * Math.cos(angle), y + 140 * Math.sin(angle), layerId));
+    }
+    return els;
+  }, 'Bankett-Rundtisch (8 Stühle)');
+
+export const standingTableTemplateTool = makePlaceTool('tpl-standing', 'Stehtisch', '\u25d1',
+  (x, y, layerId) => {
+    const els: CADElement[] = [];
+    els.push(seating.createTable(x, y, layerId, { width: 80, height: 80 }));
+    for (let i = 0; i < 5; i++) {
+      const angle = (2 * Math.PI * i) / 5;
+      els.push(seating.createChair(x + 70 * Math.cos(angle), y + 70 * Math.sin(angle), layerId));
+    }
+    return els;
+  }, 'Stehtisch (5 Stühle)');
+
+export const podiumTemplateTool = makePlaceTool('tpl-podium', 'Podest', '\u25ac',
+  (x, y, layerId) => seating.createStage(x, y, layerId, { width: 300, height: 200 }), 'Podest');
+
 // ─────────────────────────────────────────────────────────────
 // Arc-Row (Task E2): Reihen entlang Kreisbogen um Bühnenpunkt.
 // Klick 1: Zentrum (Bühne). Drag: Radius + Startwinkel.
@@ -252,5 +290,5 @@ export const eventToolsV2Plugin: PluginV2 = {
     category: 'elements',
     enabledByDefault: true,
   },
-  tools: [chairTool, seatingRowToolDrag, seatingBlockToolDrag, tableTool, stageTool, arcRowTool],
+  tools: [chairTool, seatingRowToolDrag, seatingBlockToolDrag, tableTool, stageTool, arcRowTool, kinoTemplateTool, banquetTemplateTool, standingTableTemplateTool, podiumTemplateTool],
 };