Merge feat/meeting-ai into main - AI 서비스 빌드 에러 수정

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

ai/src/main/java/com/unicorn/hgzero/ai/infra/config/InMemoryCheckpointStore.java

@@ -1,72 +0,0 @@
-package com.unicorn.hgzero.ai.infra.config;
-
-import com.azure.messaging.eventhubs.CheckpointStore;
-import com.azure.messaging.eventhubs.models.Checkpoint;
-import com.azure.messaging.eventhubs.models.PartitionOwnership;
-import reactor.core.publisher.Flux;
-import reactor.core.publisher.Mono;
-
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-
-/**
- * InMemory Checkpoint Store (개발/테스트용)
- *
- * MVP 개발용으로 메모리에 checkpoint를 저장합니다.
- * 운영 환경에서는 Azure Blob Storage 기반 Checkpoint Store 사용 필요.
- */
-public class InMemoryCheckpointStore implements CheckpointStore {
-
-    private final Map<String, PartitionOwnership> ownershipMap = new ConcurrentHashMap<>();
-    private final Map<String, Checkpoint> checkpointMap = new ConcurrentHashMap<>();
-
-    @Override
-    public Flux<PartitionOwnership> listOwnership(String fullyQualifiedNamespace, String eventHubName, String consumerGroup) {
-        return Flux.fromIterable(ownershipMap.values())
-            .filter(po -> po.getFullyQualifiedNamespace().equals(fullyQualifiedNamespace)
-                && po.getEventHubName().equals(eventHubName)
-                && po.getConsumerGroup().equals(consumerGroup));
-    }
-
-    @Override
-    public Flux<PartitionOwnership> claimOwnership(List<PartitionOwnership> requestedPartitionOwnerships) {
-        return Flux.fromIterable(requestedPartitionOwnerships)
-            .map(po -> {
-                String key = getOwnershipKey(po);
-                ownershipMap.put(key, po);
-                return po;
-            });
-    }
-
-    @Override
-    public Flux<Checkpoint> listCheckpoints(String fullyQualifiedNamespace, String eventHubName, String consumerGroup) {
-        return Flux.fromIterable(checkpointMap.values())
-            .filter(cp -> cp.getFullyQualifiedNamespace().equals(fullyQualifiedNamespace)
-                && cp.getEventHubName().equals(eventHubName)
-                && cp.getConsumerGroup().equals(consumerGroup));
-    }
-
-    @Override
-    public Mono<Void> updateCheckpoint(Checkpoint checkpoint) {
-        String key = getCheckpointKey(checkpoint);
-        checkpointMap.put(key, checkpoint);
-        return Mono.empty();
-    }
-
-    private String getOwnershipKey(PartitionOwnership ownership) {
-        return String.format("%s/%s/%s/%s",
-            ownership.getFullyQualifiedNamespace(),
-            ownership.getEventHubName(),
-            ownership.getConsumerGroup(),
-            ownership.getPartitionId());
-    }
-
-    private String getCheckpointKey(Checkpoint checkpoint) {
-        return String.format("%s/%s/%s/%s",
-            checkpoint.getFullyQualifiedNamespace(),
-            checkpoint.getEventHubName(),
-            checkpoint.getConsumerGroup(),
-            checkpoint.getPartitionId());
-    }
-}