copy profile to another server1

common/proto/table_definition.proto

@@ -55,6 +55,17 @@ service TableDefinition {
   // Copies one complete profile into a new profile without copying table data.
   rpc CopyProfile(CopyProfileRequest) returns (CopyProfileResponse);
 
+  // Serializes selected table structure and every required structural dependency.
+  // Dynamic table rows and deployment-local security state are never included.
+  rpc ExportProfileBlueprint(ExportProfileBlueprintRequest) returns (ExportProfileBlueprintResponse);
+
+  // Reconciles a portable blueprint against a destination profile without writing.
+  rpc PlanProfileBlueprintImport(PlanProfileBlueprintImportRequest) returns (PlanProfileBlueprintImportResponse);
+
+  // Applies a previously reviewed blueprint plan atomically. The plan hash protects
+  // against both a changed package and destination drift between preview and apply.
+  rpc ImportProfileBlueprint(ImportProfileBlueprintRequest) returns (ImportProfileBlueprintResponse);
+
   // Returns the unified append-only history for column and option aliases.
   rpc GetAliasChangeHistory(GetAliasChangeHistoryRequest) returns (GetAliasChangeHistoryResponse);
 
@@ -482,6 +493,56 @@ message CopyProfileResponse {
   int32 scripts_copied = 4;
 }
 
+message ExportProfileBlueprintRequest {
+  string profile_name = 1;
+  // Empty exports every dynamic table in the profile. Otherwise only these tables
+  // are created by import; their unselected local dependencies become requirements.
+  repeated string table_names = 2;
+}
+
+message ExportProfileBlueprintResponse {
+  string blueprint_json = 1;
+  string blueprint_sha256 = 2;
+  int32 tables = 3;
+  int32 required_local_tables = 4;
+  int32 required_global_tables = 5;
+  int32 templates = 6;
+}
+
+message PlanProfileBlueprintImportRequest {
+  string target_profile_name = 1;
+  string blueprint_json = 2;
+}
+
+message ProfileBlueprintImportAction {
+  // One of create, reuse, add, or conflict.
+  string action = 1;
+  string resource = 2;
+  string detail = 3;
+}
+
+message PlanProfileBlueprintImportResponse {
+  bool can_import = 1;
+  string plan_sha256 = 2;
+  repeated ProfileBlueprintImportAction actions = 3;
+}
+
+message ImportProfileBlueprintRequest {
+  string target_profile_name = 1;
+  string blueprint_json = 2;
+  string expected_plan_sha256 = 3;
+}
+
+message ImportProfileBlueprintResponse {
+  bool success = 1;
+  string message = 2;
+  int32 tables_created = 3;
+  int32 globals_created = 4;
+  int32 globals_reused = 5;
+  int32 templates_created = 6;
+  int32 templates_reused = 7;
+}
+
 enum AliasChangeKind {
   ALIAS_CHANGE_KIND_UNSPECIFIED = 0;
   ALIAS_CHANGE_KIND_COLUMN = 1;