feat(cli): add agent-first media treatment tools

packages/cli/src/help.ts

@@ -42,6 +42,10 @@ const GROUPS: Group[] = [
       ["inspect", "Inspect rendered visual layout across the timeline"],
       ["keyframes", "Inspect keyframes and render onion-shot diagnostics"],
       ["snapshot", "Capture key frames as PNG screenshots for visual verification"],
+      [
+        "media-treatment",
+        "Discover, apply, or clear deterministic media treatments on one media element",
+      ],
       [
         "grade-compare",
         "Render candidate color grades onto a reference frame as one labeled comparison PNG",