// Add these message definitions to the end of memo_service.proto

message ExportMemosRequest {
  // Optional. Format for the export (currently only "json" is supported)
  string format = 1 [(google.api.field_behavior) = OPTIONAL];
  
  // Optional. Filter to apply to memos for export
  // Uses the same filter format as ListMemosRequest
  string filter = 2 [(google.api.field_behavior) = OPTIONAL];
  
  // Optional. Whether to exclude archived memos from export
  // Default: false (include archived memos)
  bool exclude_archived = 3 [(google.api.field_behavior) = OPTIONAL];
  
  // Optional. Whether to include attachments in the export
  // Default: true
  bool include_attachments = 4 [(google.api.field_behavior) = OPTIONAL];
  
  // Optional. Whether to include memo relations in the export
  // Default: true
  bool include_relations = 5 [(google.api.field_behavior) = OPTIONAL];
}

message ExportMemosResponse {
  // The exported data as bytes
  bytes data = 1;
  
  // The format of the exported data
  string format = 2;
  
  // Suggested filename for the export
  string filename = 3;
  
  // Number of memos exported
  int32 memo_count = 4;
  
  // Size of the export data in bytes
  int64 size_bytes = 5;
}

message ImportMemosRequest {
  // Required. The data to import (JSON format)
  bytes data = 1 [(google.api.field_behavior) = REQUIRED];
  
  // Optional. Format of the import data (currently only "json" is supported)
  string format = 2 [(google.api.field_behavior) = OPTIONAL];
  
  // Optional. Whether to overwrite existing memos with the same UID
  // Default: false (skip existing memos)
  bool overwrite_existing = 3 [(google.api.field_behavior) = OPTIONAL];
  
  // Optional. Whether to validate only (dry run mode)
  // If true, the import will be validated but no data will be created
  bool validate_only = 4 [(google.api.field_behavior) = OPTIONAL];
  
  // Optional. Whether to preserve original timestamps
  // Default: true
  bool preserve_timestamps = 5 [(google.api.field_behavior) = OPTIONAL];
  
  // Optional. Whether to skip importing attachments
  // Default: false (import attachments if present)
  bool skip_attachments = 6 [(google.api.field_behavior) = OPTIONAL];
  
  // Optional. Whether to skip importing memo relations
  // Default: false (import relations if present)
  bool skip_relations = 7 [(google.api.field_behavior) = OPTIONAL];
}

message ImportMemosResponse {
  // Number of memos successfully imported
  int32 imported_count = 1;
  
  // Number of memos skipped (due to errors or existing UIDs)
  int32 skipped_count = 2;
  
  // Number of memos that failed validation (in validate_only mode)
  int32 validation_errors = 3;
  
  // List of error messages for failed imports
  repeated string errors = 4;
  
  // List of warning messages for potential issues
  repeated string warnings = 5;
  
  // Summary of the import operation
  ImportSummary summary = 6;
}

message ImportSummary {
  // Total number of memos in the import data
  int32 total_memos = 1;
  
  // Number of new memos created
  int32 created_count = 2;
  
  // Number of existing memos updated
  int32 updated_count = 3;
  
  // Number of attachments imported
  int32 attachments_imported = 4;
  
  // Number of relations imported
  int32 relations_imported = 5;
  
  // Import duration in milliseconds
  int64 duration_ms = 6;
}