diff --git a/src/main/java/com/ffii/fpsms/modules/master/service/BomService.kt b/src/main/java/com/ffii/fpsms/modules/master/service/BomService.kt
index d990d36..31db195 100644
--- a/src/main/java/com/ffii/fpsms/modules/master/service/BomService.kt
+++ b/src/main/java/com/ffii/fpsms/modules/master/service/BomService.kt
@@ -216,6 +216,7 @@ open class BomService(
     }
 
     /**
+     * FP-MTMS Version Checklist | Functions Ref. No. 17 | v1.0.0 | 2026-07-16
      * Edit BOM (basic fields + BOM materials + BOM process lines).
      *
      * Key rules:
@@ -1682,6 +1683,7 @@ open class BomService(
         val path = dir.resolve("bom_format_issue_$issueLogFileId.xlsx")
         return if (Files.exists(path)) path else null
     }
+    /** FP-MTMS Version Checklist | Functions Ref. No. 15 | v1.0.0 | 2026-07-16 */
     open fun checkBomExcelFormat(batchId: String): BomFormatCheckResponse {
         val batchDir = getBatchDir(batchId)
         if (!Files.isDirectory(batchDir)) return BomFormatCheckResponse(correctFileNames = emptyList(), failList = emptyList())
@@ -1764,6 +1766,7 @@ open class BomService(
         )
     }
 
+    /** FP-MTMS Version Checklist | Functions Ref. No. 15 | v1.0.0 | 2026-07-16 */
     open fun previewImportBom(batchId: String, fileNames: List<String>?): BomImportPreviewResponse {
         val batchDir = getBatchDir(batchId)
         if (!Files.isDirectory(batchDir)) {
@@ -1823,6 +1826,7 @@ open class BomService(
         return BomImportPreviewResponse(items = lines)
     }
 
+    /** FP-MTMS Version Checklist | Functions Ref. No. 15 | v1.0.0 | 2026-07-16 */
     open fun revalidateImportBomItem(
         batchId: String,
         fileName: String,
@@ -1872,6 +1876,7 @@ open class BomService(
         )
     }
 
+    /** FP-MTMS Version Checklist | Functions Ref. No. 15 | v1.0.0 | 2026-07-16 */
     open fun exportCorrectedImportBomExcel(
         batchId: String,
         fileName: String,
@@ -3642,6 +3647,7 @@ for (r in 0..20) {
         }
     }
 
+    /** FP-MTMS Version Checklist | Functions Ref. No. 17 | v1.0.0 | 2026-07-16 */
     @Transactional(readOnly = true)
     open fun listBomVersions(code: String, bomKind: String): List<BomVersionSummary> {
         val normalizedCode = code.trim()
@@ -3663,6 +3669,7 @@ for (r in 0..20) {
             }
     }
 
+    /** FP-MTMS Version Checklist | Functions Ref. No. 17 | v1.0.0 | 2026-07-16 */
     @Transactional
     open fun saveBomAsNewVersion(sourceBomId: Long, request: SaveBomAsNewVersionRequest): BomDetailResponse {
         val source = bomRepository.findByIdAndDeletedIsFalse(sourceBomId)
@@ -3915,6 +3922,7 @@ for (r in 0..20) {
         }
     }
 
+    /** FP-MTMS Version Checklist | Functions Ref. No. 17 | v1.0.0 | 2026-07-16 */
     @Transactional
     open fun activateBomVersion(id: Long): BomDetailResponse {
         val bom = bomRepository.findByIdAndDeletedIsFalse(id)
diff --git a/src/main/java/com/ffii/fpsms/modules/master/web/BomController.kt b/src/main/java/com/ffii/fpsms/modules/master/web/BomController.kt
index fe85685..0c3903f 100644
--- a/src/main/java/com/ffii/fpsms/modules/master/web/BomController.kt
+++ b/src/main/java/com/ffii/fpsms/modules/master/web/BomController.kt
@@ -109,21 +109,25 @@ fun downloadBomFormatIssueLog(
         .header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"bom_format_issue.xlsx\"")
         .body(resource)
 }
+    /** FP-MTMS Version Checklist | Functions Ref. No. 15 | v1.0.0 | 2026-07-16 */
     @PostMapping("/import-bom/format-check")
     fun checkBomFormat(@RequestBody request: BomFormatCheckRequest): BomFormatCheckResponse {
         return bomService.checkBomExcelFormat(request.batchId)
     }
 
+    /** FP-MTMS Version Checklist | Functions Ref. No. 15 | v1.0.0 | 2026-07-16 */
     @PostMapping("/import-bom/preview")
     fun previewImportBom(@RequestBody request: BomImportPreviewRequest): BomImportPreviewResponse {
         return bomService.previewImportBom(request.batchId, request.fileNames)
     }
 
+    /** FP-MTMS Version Checklist | Functions Ref. No. 15 | v1.0.0 | 2026-07-16 */
     @PostMapping("/import-bom/revalidate")
     fun revalidateImportBomItem(@RequestBody request: BomImportRevalidateRequest): BomImportRevalidateResponse {
         return bomService.revalidateImportBomItem(request.batchId, request.fileName, request.overrides)
     }
 
+    /** FP-MTMS Version Checklist | Functions Ref. No. 15 | v1.0.0 | 2026-07-16 */
     @PostMapping("/import-bom/export-corrected")
     fun exportCorrectedImportBomExcel(@RequestBody request: BomImportExportCorrectedRequest): ResponseEntity<Resource> {
         // Do not put Chinese filename in Content-Disposition (Tomcat rejects non-Latin-1 headers).
@@ -219,12 +223,14 @@ fun downloadBomFormatIssueLog(
         return bomService.findBomSummaryByItemCode(code.trim())
     }
 
+    /** FP-MTMS Version Checklist | Functions Ref. No. 17 | v1.0.0 | 2026-07-16 */
     @GetMapping("/versions")
     fun listBomVersions(
         @RequestParam code: String,
         @RequestParam bomKind: String,
     ): List<BomVersionSummary> = bomService.listBomVersions(code, bomKind)
 
+    /** FP-MTMS Version Checklist | Functions Ref. No. 17 | v1.0.0 | 2026-07-16 */
     @PostMapping("/{id}/save-as-new-version")
     fun saveBomAsNewVersion(
         @PathVariable id: Long,
@@ -236,12 +242,14 @@ fun getBomDetail(@PathVariable id: Long): BomDetailResponse {
     return bomService.getBomDetail(id)
 }
 
+    /** FP-MTMS Version Checklist | Functions Ref. No. 17 | v1.0.0 | 2026-07-16 */
     @PostMapping("/{id}/activate-version")
     fun activateBomVersion(@PathVariable id: Long): BomDetailResponse {
         return bomService.activateBomVersion(id)
     }
 
     /**
+     * FP-MTMS Version Checklist | Functions Ref. No. 17 | v1.0.0 | 2026-07-16
      * Edit BOM (basic fields + materials + process lines).
      * baseScore is recalculated on server.
      */