daniel 작업본 추가

src/main/java/com/kamco/cd/training/train/TrainApiController.java

@@ -2,6 +2,7 @@ package com.kamco.cd.training.train;
 
 import com.kamco.cd.training.config.api.ApiResponseDto;
 import com.kamco.cd.training.train.dto.TrainingMetricsDto;
+import com.kamco.cd.training.train.dto.TrainingProgressDto;
 import com.kamco.cd.training.train.service.DataSetCountersService;
 import com.kamco.cd.training.train.service.TestJobService;
 import com.kamco.cd.training.train.service.TrainJobService;
@@ -298,4 +299,26 @@ public class TrainApiController {
         trainingMetricsService.getTrainingMetricsByModelUuid(modelUuid);
     return ApiResponseDto.ok(response);
   }
+
+  @Operation(
+      summary = "학습 진행률 조회",
+      description = "UUID로 학습 진행률을 실시간 조회합니다. 기존 DB 구조를 활용하여 진행률을 계산합니다.")
+  @ApiResponses(
+      value = {
+        @ApiResponse(
+            responseCode = "200",
+            description = "조회 성공",
+            content =
+                @Content(
+                    mediaType = "application/json",
+                    schema = @Schema(implementation = TrainingProgressDto.class))),
+        @ApiResponse(responseCode = "404", description = "모델을 찾을 수 없음", content = @Content),
+        @ApiResponse(responseCode = "500", description = "서버 오류", content = @Content)
+      })
+  @GetMapping("/progress/{uuid}")
+  public ApiResponseDto<TrainingProgressDto> getTrainingProgress(
+      @Parameter(description = "모델 UUID", required = true) @PathVariable UUID uuid) {
+    TrainingProgressDto progress = trainJobService.getTrainingProgress(uuid);
+    return ApiResponseDto.ok(progress);
+  }
 }