Add optional maxConnectionAge and maxConnectionAgeGrace support to G… (#143)

* Add optional maxConnectionAge and maxConnectionAgeGrace support to GrpcPlatformServerDefinition

AI-Session-Id: c5dae67b-13fb-4369-80af-7b15a26bfbdf
AI-Tool: claude-code
AI-Model: unknown

* Change maxConnectionAge fields from seconds to Duration

Author: Gg-harness

platform-grpc-service-framework/src/main/java/org/hypertrace/core/serviceframework/grpc/GrpcPlatformServerDefinition.java

@@ -1,6 +1,7 @@
 package org.hypertrace.core.serviceframework.grpc;
 
 import io.grpc.ServerInterceptor;
+import java.time.Duration;
 import java.util.Collection;
 import java.util.List;
 import lombok.AccessLevel;
@@ -17,6 +18,8 @@ public class GrpcPlatformServerDefinition {
   int port;
   int maxInboundMessageSize;
   @Builder.Default int maxRstPerMinute = 500;
+  @Builder.Default Duration maxConnectionAge = Duration.ZERO;
+  @Builder.Default Duration maxConnectionAgeGrace = Duration.ZERO;
   @Singular Collection<GrpcPlatformServiceFactory> serviceFactories;
   @Singular List<ServerInterceptor> serverInterceptors;
 }

platform-grpc-service-framework/src/main/java/org/hypertrace/core/serviceframework/grpc/GrpcPlatformServiceContainer.java

@@ -286,6 +286,13 @@ private ServerBuilder<?> initializeBuilder(GrpcPlatformServerDefinition serverDe
     if (serverDefinition.getMaxRstPerMinute() > 0) {
       builder.maxRstFramesPerWindow(serverDefinition.getMaxRstPerMinute(), 60);
     }
+    if (!serverDefinition.getMaxConnectionAge().isZero()) {
+      builder.maxConnectionAge(serverDefinition.getMaxConnectionAge().toMillis(), MILLISECONDS);
+    }
+    if (!serverDefinition.getMaxConnectionAgeGrace().isZero()) {
+      builder.maxConnectionAgeGrace(
+          serverDefinition.getMaxConnectionAgeGrace().toMillis(), MILLISECONDS);
+    }
     // add micrometer-grpc interceptor to collect server metrics.
     builder.intercept(
         new MetricCollectingServerInterceptor(