refactor: remove premium request subtitle from ChatPane footer

The Activity Panel already shows premium request counts in the
Session Usage section, so the ChatPane footer only needs the
context-window bar.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

src/renderer/App.tsx

@@ -416,7 +416,6 @@ export default function App() {
           runtimeTools={sidecarCapabilities?.runtimeTools}
           session={selectedSession}
           sessionUsage={usageForSession}
-          sessionRequestUsage={requestUsageForSession}
           activeSubagents={subagentsForSession}
           terminalOpen={terminalOpen}
           terminalRunning={terminalRunning}

src/renderer/components/ChatPane.tsx

@@ -17,8 +17,6 @@ import type { InteractionMode, MessageMode } from '@shared/contracts/sidecar';
 import type { ChatMessageAttachment } from '@shared/domain/attachment';
 import { getAttachmentDisplayName, isImageAttachment } from '@shared/domain/attachment';
 import type { SessionUsageState } from '@renderer/lib/sessionActivity';
-import type { SessionRequestUsageState, AgentUsageAccumulator } from '@renderer/lib/sessionActivity';
-import { formatNanoAiu } from '@renderer/lib/sessionActivity';
 import type { ActiveSubagent } from '@renderer/lib/subagentTracker';
 import {
   findModel,
@@ -48,7 +46,6 @@ interface ChatPaneProps {
   mcpProbingServerIds?: string[];
   runtimeTools?: ReadonlyArray<RuntimeToolDefinition>;
   sessionUsage?: SessionUsageState;
-  sessionRequestUsage?: SessionRequestUsageState;
   activeSubagents?: ReadonlyArray<ActiveSubagent>;
   terminalOpen?: boolean;
   terminalRunning?: boolean;
@@ -78,7 +75,6 @@ export function ChatPane({
   mcpProbingServerIds,
   runtimeTools,
   sessionUsage,
-  sessionRequestUsage,
   activeSubagents,
   terminalOpen,
   terminalRunning,
@@ -781,27 +777,6 @@ export function ChatPane({
                   {Math.round((sessionUsage.currentTokens / sessionUsage.tokenLimit) * 100)}% context
                 </span>
               </div>
-              {sessionRequestUsage && sessionRequestUsage.requestCount > 0 && (
-                <div className="mt-0.5 flex items-center gap-1 text-[10px] text-zinc-600">
-                  <span className="tabular-nums">
-                    {sessionRequestUsage.requestCount} premium request{sessionRequestUsage.requestCount === 1 ? '' : 's'}
-                  </span>
-                  {sessionRequestUsage.totalNanoAiu > 0 && (
-                    <>
-                      <span className="text-zinc-700">·</span>
-                      <span className="tabular-nums">{formatNanoAiu(sessionRequestUsage.totalNanoAiu)} AIU</span>
-                    </>
-                  )}
-                  {sessionRequestUsage.latestQuotaSnapshots?.premium_interactions && (
-                    <>
-                      <span className="text-zinc-700">·</span>
-                      <span className="tabular-nums">
-                        {Math.round(sessionRequestUsage.latestQuotaSnapshots.premium_interactions.remainingPercentage)}% quota
-                      </span>
-                    </>
-                  )}
-                </div>
-              )}
             </div>
           )}
         </div>