fix: fix scrolling cutoff for last entry in devexplorer

programs/src/devexplorer/devexplorer.h

@@ -118,7 +118,7 @@ struct ScrollMetrics {
     int list_h;         // viewport height (view extent)
     int total_h;        // total content height (content extent)
     int max_scroll_px;  // maximum pixel scroll offset
-    int scroll_px;      // current pixel scroll offset (derived from scroll_y)
+    int scroll_px;      // current pixel scroll offset (clamped scroll_y)
 };
 
 // Bounds of the toolbar "Refresh" button — shared by render and hit-testing.
@@ -156,7 +156,7 @@ struct DevExplorerState {
     int dev_count;
     bool collapsed[NUM_CATEGORIES];
     int selected_row;
-    int scroll_y;
+    int scroll_y;            // vertical scroll offset, in pixels (not rows)
     uint64_t last_poll_ms;
 
     int last_click_row;