chore: fix eslint warnings

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

packages/cli/src/commands/dashboard-tui/controller.ts

@@ -829,6 +829,7 @@ export class DashboardTUI {
   // them from the stream.
   private installMouseListener(): void {
     if (this.mouseStdinListener) return;
+    // eslint-disable-next-line no-control-regex -- ESC byte is intentional for SGR mouse parsing
     const mouseRe = /\x1b\[<(\d+);\d+;\d+[Mm]/g;
     const listener = (chunk: Buffer | string): void => {
       const text = typeof chunk === "string" ? chunk : chunk.toString("utf8");

packages/dashboard/app/api/legacy.ts

@@ -3867,10 +3867,10 @@ export function connectAgentOnboardingStream(
           try { handlers.onThinking?.(JSON.parse(event.data)); } catch { handlers.onThinking?.(event.data); }
         },
         question: (event) => {
-          try { handlers.onQuestion?.(JSON.parse(event.data) as PlanningQuestion); } catch {}
+          try { handlers.onQuestion?.(JSON.parse(event.data) as PlanningQuestion); } catch { /* ignore parse error */ }
         },
         summary: (event) => {
-          try { handlers.onSummary?.(JSON.parse(event.data) as AgentOnboardingSummary); } catch {}
+          try { handlers.onSummary?.(JSON.parse(event.data) as AgentOnboardingSummary); } catch { /* ignore parse error */ }
         },
         error: (event) => {
           try {

packages/dashboard/src/agent-onboarding.ts

@@ -304,7 +304,7 @@ export async function cancelAgentOnboardingSession(sessionId: string): Promise<v
   const session = sessions.get(sessionId);
   if (!session) throw new SessionNotFoundError(`Agent onboarding session ${sessionId} not found or expired`);
   stopAgentOnboardingGeneration(sessionId);
-  try { session.agent?.session.dispose?.(); } catch {}
+  try { session.agent?.session.dispose?.(); } catch { /* ignore dispose errors */ }
   sessions.delete(sessionId);
   agentOnboardingStreamManager.cleanupSession(sessionId);
 }