feat(data-ana): 完整实现 data-ana 数据分析服务

包含 CDC consumer、analytics/mastery/warning service、grpc server、repository、ClickHouse DDL 等

packages/shared-proto/proto/iam.proto

@@ -9,6 +9,9 @@ service IamService {
   rpc Login(LoginRequest) returns (AuthResponse);
   rpc RefreshToken(RefreshTokenRequest) returns (TokenPair);
   rpc GetUserInfo(GetUserInfoRequest) returns (UserInfo);
+  // GetEffectiveDataScope 解析用户可见数据范围（DataScope 6 级）.
+  // data-ana gRPC 调用此 RPC 解析查询过滤范围（coord-cross-review §2 #3 裁决 P4 补全）.
+  rpc GetEffectiveDataScope(GetEffectiveDataScopeRequest) returns (EffectiveDataScope);
 }
 
 message RegisterRequest {
@@ -48,3 +51,17 @@ message UserInfo {
   repeated string roles = 4;
   repeated string permissions = 5;
 }
+
+message GetEffectiveDataScopeRequest {
+  string user_id = 1;
+}
+
+// EffectiveDataScope 用户可见数据范围（6 级）.
+// level: SELF / CLASS / GRADE / SCHOOL / DISTRICT / ALL
+// scope_ids: 具体可见的 class_id / grade_id 列表（SELF/ALL 时为空）
+message EffectiveDataScope {
+  string user_id = 1;
+  string level = 2; // SELF / CLASS / GRADE / SCHOOL / DISTRICT / ALL
+  repeated string scope_ids = 3; // class_id 列表（CLASS 级）/ grade_id 列表（GRADE 级）
+  string school_id = 4; // SCHOOL 级时的学校 ID
+}