Quick polish pass on remaining screens; hide legacy chrome on RUM tab

Normalize radii, drop shadows/blur and font-black, and document the
one-view-at-a-time plan in AGENTS.md.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

AGENTS.md

@@ -153,7 +153,7 @@ Lessons from getting here:
   `SearchAndWatcher`, `TrendsVisualizer`, `SetupPanel`. They use `ds-*`
   colors via a mechanical token swap but keep their old layout/type scale, use
   `onClick` on non-buttons in places, and `CommandAndQueryBar` /
-  `WaveformHistogram` still sit above every non-Issues/RUM tab. Restructure
+  `WaveformHistogram` still sit above every tab except Issues and RUM sessions (`isTriageOverview` in `App.tsx`). Restructure
   them onto `FilterBar` + the card/aside pattern when touching them.
 
 ### Finding old-pattern usages
@@ -164,3 +164,10 @@ grep -rnE "(bg|text|border|ring|from|to|via)-(slate|zinc|gray|sky|cyan|blue|viol
 ```
 
 Both must print nothing.
+
+### Working order from here
+
+Initial pass is done. Take **one view at a time** to the full screen pattern
+(FilterBar + card/aside layout, real buttons, fold or restyle the shared
+chrome for that screen), verify it in the browser in both themes, commit, then
+move to the next. Suggested order: Traces, Logs, Metrics, Search, Trends, Setup.