fix(editor): clamp keyboard segments at trim boundary

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

Author: MinitJain

apps/desktop/src/routes/editor/Timeline/KeyboardTrack.tsx

@@ -165,7 +165,7 @@ export function KeyboardTrack(props: {
 								isSelected() ? "border-sky-7" : "border-transparent",
 							)}
 							innerClass="ring-sky-6"
-							segment={segment}
+							segment={{ start: segment.start, end: Math.min(segment.end, totalDuration()) }}
 							onMouseDown={(e) => {
 								e.stopPropagation();
 								if (editorState.timeline.interactMode === "split") {