Ship free-tier watermark policy (2 clean renders) and align pricing/legal copy.

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

lib/ffmpeg/encode.ts

@@ -25,6 +25,7 @@ import {
   sanitizeDrawtext,
   type WatermarkSettings,
 } from "../watermark";
+import { buildBrandWatermarkOverlayFilters } from "./brand-watermark";
 
 function getFfmpegPath(): string {
   if (process.env.FFMPEG_PATH) return process.env.FFMPEG_PATH;
@@ -217,10 +218,14 @@ export async function encodeVideo(options: {
     });
     filterParts.push(`[${baseLabel}]${draw}[vout]`);
   } else if (applyWm === "default-png" && defaultWmInputIndex !== null) {
-    const { x, y } = overlayXy(settings.position, settings.offsetX, settings.offsetY);
     filterParts.push(
-      `[${defaultWmInputIndex}:v]scale=${watermarkWidth}:-1[wm]`,
-      `[${baseLabel}][wm]overlay=${x}:${y}[vout]`,
+      ...buildBrandWatermarkOverlayFilters({
+        baseLabel,
+        watermarkInputIndex: defaultWmInputIndex,
+        watermarkWidthPx: watermarkWidth,
+        offsetX: settings.offsetX,
+        offsetY: settings.offsetY,
+      }),
     );
   } else if (applyWm === "default-text") {
     const draw = buildDrawtextFilter({