ui(api): regen types + drop perExchangeLingerSeconds from SPA

Follows backend removal of the field (Task 3.1). Typechecker confirms
zero remaining references. The ExchangeMatchForm linger-input is
visually removed in Task 4.4.

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

ui/src/api/schema.d.ts

@@ -2334,8 +2334,6 @@ export interface components {
             threshold?: number;
             /** Format: int32 */
             windowSeconds?: number;
-            /** Format: int32 */
-            perExchangeLingerSeconds?: number;
             /** @enum {string} */
             readonly kind?: "ROUTE_METRIC" | "EXCHANGE_MATCH" | "AGENT_STATE" | "AGENT_LIFECYCLE" | "DEPLOYMENT_STATE" | "LOG_PATTERN" | "JVM_METRIC";
         });
@@ -2636,6 +2634,7 @@ export interface components {
             limit?: number;
             sortField?: string;
             sortDir?: string;
+            afterExecutionId?: string;
             environment?: string;
         };
         ExecutionSummary: {