diff --git a/README.md b/README.md
index 406583c..742f7d4 100644
--- a/README.md
+++ b/README.md
@@ -101,6 +101,12 @@ curl http://localhost:8080/api/store/list
    ```
    脚本新增门店并发容量、服务时长、预约时长快照和连续排班占用。末尾容量、时长和快照验证计数必须全部为 0。
 
+8. **报告显式确认发送状态**：预约容量验证完成后执行：
+   ```bash
+   mysql -h <host> -u <user> -p petstore < db/migrations/20260801_create_report_send_status.sql
+   ```
+   脚本把历史报告统一标记为 `unknown`，迁移后的新报告默认 `unsent`；不得推测历史发送事实。末尾三项状态与回执一致性验证必须全部为 0。
+
 ### production profile
 
 ```bash
@@ -116,14 +122,14 @@ production profile 下：
 
 ### 生产只读预检
 
-完成备份和四个迁移后，以最终生产环境变量运行：
+完成备份和五个迁移后，以最终生产环境变量运行：
 
 ```bash
 chmod +x deploy/release-preflight.sh deploy/production-smoke.sh
 BUILD_FIRST=1 deploy/release-preflight.sh
 ```
 
-脚本先校验生产配置、上传目录、Java 与 FFmpeg，再启动无 Web 的 `production` profile，执行 JPA schema `validate` 和 15 项只读数据不变量检查，通过后退出。它不会执行迁移，也不会修复数据。
+脚本先校验生产配置、上传目录、Java 与 FFmpeg，再启动无 Web 的 `production` profile，执行 JPA schema `validate` 和 18 项只读数据不变量检查，通过后退出。它不会执行迁移，也不会修复数据。
 
 ## 测试
 
@@ -179,6 +185,7 @@ API_ORIGIN=https://<api-domain> backend/deploy/production-smoke.sh
 - [ ] 已按顺序执行 `20260801_create_store_customer.sql`，三项主档验证计数均为 0
 - [ ] 已执行 `20260801_create_business_event.sql`，四项事件回填验证计数均为 0
 - [ ] 已执行 `20260801_create_booking_capacity.sql`，容量与时长验证计数均为 0
+- [ ] 已执行 `20260801_create_report_send_status.sql`，历史 `unknown` 与三项回执一致性验证均为 0
 - [ ] `CORS_ALLOWED_ORIGINS` 仅包含本次发布的显式 HTTPS Web 源
 - [ ] `deploy/release-preflight.sh` 已以最终环境变量通过并留存输出
 - [ ] readiness 与上线后只读冒烟全部通过
diff --git a/db/migrations/20260801_create_report_send_status.sql b/db/migrations/20260801_create_report_send_status.sql
new file mode 100644
index 0000000..9ffc108
--- /dev/null
+++ b/db/migrations/20260801_create_report_send_status.sql
@@ -0,0 +1,40 @@
+-- Petstore Phase 0：报告显式确认发送状态
+-- 前置：20260801_create_booking_capacity.sql 已执行。
+-- 语义：历史报告无法可靠证明是否发送，统一标记 unknown；迁移后新报告默认 unsent。
+
+ALTER TABLE t_report
+    ADD COLUMN send_status VARCHAR(16) NULL COMMENT 'unknown | unsent | sent';
+
+ALTER TABLE t_report
+    ADD COLUMN sent_at DATETIME NULL COMMENT '首次显式确认发送时间';
+
+ALTER TABLE t_report
+    ADD COLUMN sent_by_user_id BIGINT NULL COMMENT '首次确认发送的门店员工';
+
+ALTER TABLE t_report
+    ADD COLUMN send_channel VARCHAR(16) NULL COMMENT 'wechat | qr | other';
+
+UPDATE t_report
+SET send_status = 'unknown';
+
+ALTER TABLE t_report
+    MODIFY COLUMN send_status VARCHAR(16) NOT NULL DEFAULT 'unsent' COMMENT 'unknown | unsent | sent';
+
+CREATE INDEX idx_report_store_send_time
+    ON t_report (store_id, send_status, create_time);
+
+-- 验证：以下三项必须全部为 0。
+SELECT COUNT(*) AS invalid_report_send_status_count
+FROM t_report
+WHERE send_status IS NULL OR send_status NOT IN ('unknown', 'unsent', 'sent');
+
+SELECT COUNT(*) AS sent_report_without_receipt_count
+FROM t_report
+WHERE send_status = 'sent'
+  AND (sent_at IS NULL OR sent_by_user_id IS NULL
+       OR send_channel IS NULL OR send_channel NOT IN ('wechat', 'qr', 'other'));
+
+SELECT COUNT(*) AS unconfirmed_report_with_receipt_count
+FROM t_report
+WHERE send_status IN ('unknown', 'unsent')
+  AND (sent_at IS NOT NULL OR sent_by_user_id IS NOT NULL OR send_channel IS NOT NULL);
diff --git a/db/migrations/README.md b/db/migrations/README.md
index 9f9cb4f..0485ad8 100644
--- a/db/migrations/README.md
+++ b/db/migrations/README.md
@@ -16,4 +16,6 @@
 
 `20260801_create_booking_capacity.sql` 必须在业务事件迁移之后执行：为服务项目、预约快照和手动占用补充时长，为门店补充并发接待数。历史预约按服务名称采用稳定默认值回填；脚本末尾四个验证计数必须为 0。
 
+`20260801_create_report_send_status.sql` 必须在预约容量迁移之后执行：新增报告显式确认发送状态与首次确认回执。历史报告统一标记为 `unknown`，不得推测为未发送或已发送；迁移后的新报告默认 `unsent`。脚本末尾三个验证计数必须为 0。
+
 正式迁移框架仍属于 Phase 0 后续任务；接入前不得把本目录误当成自动执行目录。
diff --git a/src/main/java/com/petstore/config/ProductionDatabasePreflightRunner.java b/src/main/java/com/petstore/config/ProductionDatabasePreflightRunner.java
index 8ade182..ebbe2eb 100644
--- a/src/main/java/com/petstore/config/ProductionDatabasePreflightRunner.java
+++ b/src/main/java/com/petstore/config/ProductionDatabasePreflightRunner.java
@@ -102,6 +102,21 @@ public class ProductionDatabasePreflightRunner implements ApplicationRunner {
                       WHERE deleted = 0 AND appointment_id IS NOT NULL
                       GROUP BY appointment_id HAVING COUNT(*) > 1
                     ) duplicated
+                    """),
+            new Invariant("invalid_report_send_status", """
+                    SELECT COUNT(*) FROM t_report
+                    WHERE send_status IS NULL OR send_status NOT IN ('unknown', 'unsent', 'sent')
+                    """),
+            new Invariant("sent_report_without_receipt", """
+                    SELECT COUNT(*) FROM t_report
+                    WHERE send_status = 'sent'
+                      AND (sent_at IS NULL OR sent_by_user_id IS NULL
+                           OR send_channel IS NULL OR send_channel NOT IN ('wechat', 'qr', 'other'))
+                    """),
+            new Invariant("unconfirmed_report_with_receipt", """
+                    SELECT COUNT(*) FROM t_report
+                    WHERE send_status IN ('unknown', 'unsent')
+                      AND (sent_at IS NOT NULL OR sent_by_user_id IS NOT NULL OR send_channel IS NOT NULL)
                     """)
     );
 
diff --git a/src/main/java/com/petstore/controller/ReportController.java b/src/main/java/com/petstore/controller/ReportController.java
index 085f90f..48485a5 100644
--- a/src/main/java/com/petstore/controller/ReportController.java
+++ b/src/main/java/com/petstore/controller/ReportController.java
@@ -207,6 +207,45 @@ public class ReportController {
         }
     }
 
+    /**
+     * 门店员工在真实完成发送后显式确认。复制链接、二维码和预览不会自动调用本接口。
+     */
+    @PostMapping("/confirm-sent")
+    public Map<String, Object> confirmSent(@RequestBody Map<String, Object> body) {
+        CurrentUser u = CurrentUserContext.require();
+        if (!u.isStoreUser()) {
+            return Map.of("code", 403, "message", "仅门店员工可确认报告发送", "bizCode", "FORBIDDEN");
+        }
+        Object rawReportId = body == null ? null : body.get("reportId");
+        if (rawReportId == null) {
+            return Map.of("code", 400, "message", "reportId 必填", "bizCode", "REPORT_ID_REQUIRED");
+        }
+        try {
+            Long reportId = Long.valueOf(rawReportId.toString());
+            String channel = body.get("channel") == null ? "" : body.get("channel").toString();
+            ReportService.ConfirmSentOutcome outcome = reportService.confirmSent(
+                    reportId, u.storeId(), u.userId(), u.role(), channel
+            );
+            if (outcome == null) {
+                return Map.of("code", 404, "message", "报告不存在", "bizCode", "NOT_FOUND");
+            }
+            Report report = outcome.report();
+            Map<String, Object> data = new LinkedHashMap<>();
+            data.put("reportId", report.getId());
+            data.put("sendStatus", report.getSendStatus());
+            data.put("sentAt", report.getSentAt());
+            data.put("sendChannel", report.getSendChannel());
+            data.put("alreadyConfirmed", outcome.alreadyConfirmed());
+            return Map.of("code", 200, "message", "已确认发送", "data", data);
+        } catch (NumberFormatException e) {
+            return Map.of("code", 400, "message", "reportId 格式错误", "bizCode", "INVALID_REPORT_ID");
+        } catch (SecurityException e) {
+            return Map.of("code", 403, "message", e.getMessage(), "bizCode", "FORBIDDEN");
+        } catch (IllegalArgumentException e) {
+            return Map.of("code", 400, "message", e.getMessage(), "bizCode", "INVALID_SEND_CHANNEL");
+        }
+    }
+
     /**
      * 报告是否含有指定类型（before / after）的有效照片：url 非空且 mediaType 非 video。
      */
@@ -224,11 +263,20 @@ public class ReportController {
 
     @GetMapping("/list")
     public Map<String, Object> list(@RequestParam(required = false) Integer page,
-                                    @RequestParam(required = false) Integer pageSize) {
+                                    @RequestParam(required = false) Integer pageSize,
+                                    @RequestParam(required = false) String sendStatus) {
         // 身份边界从上下文派生：boss/staff 查本店；customer 查自己相关报告
         CurrentUser u = CurrentUserContext.require();
         Long scopedStoreId = u.isStoreUser() ? u.storeId() : null;
         Long scopedUserId = u.isCustomer() ? u.userId() : null;
+        String scopedSendStatus = null;
+        if (u.isStoreUser() && sendStatus != null && !sendStatus.isBlank()) {
+            scopedSendStatus = sendStatus.trim().toLowerCase(Locale.ROOT);
+            if (!Set.of(Report.SEND_STATUS_UNKNOWN, Report.SEND_STATUS_UNSENT, Report.SEND_STATUS_SENT)
+                    .contains(scopedSendStatus)) {
+                return Map.of("code", 400, "message", "发送状态无效", "bizCode", "INVALID_SEND_STATUS");
+            }
+        }
 
         boolean usePaging = page != null || pageSize != null;
         List<Report> reports;
@@ -238,10 +286,10 @@ public class ReportController {
         if (usePaging) {
             pageNo = Math.max(page == null ? 1 : page, 1);
             size = Math.min(Math.max(pageSize == null ? 20 : pageSize, 1), 200);
-            paged = reportService.page(scopedStoreId, scopedUserId, pageNo - 1, size);
+            paged = reportService.page(scopedStoreId, scopedUserId, scopedSendStatus, pageNo - 1, size);
             reports = paged.getContent();
         } else {
-            reports = reportService.list(scopedStoreId, scopedUserId);
+            reports = reportService.list(scopedStoreId, scopedUserId, scopedSendStatus);
         }
         // 附加技师名称，并补全图片URL
         List<Map<String, Object>> data = reports.stream().map(r -> {
@@ -259,6 +307,9 @@ public class ReportController {
             item.put("userId", r.getUserId());
             item.put("customerUserId", r.getCustomerUserId());
             item.put("authorStaffId", r.resolvedAuthorStaffId());
+            if (u.isStoreUser()) {
+                putSendFields(item, r, true);
+            }
             // 图片列表
             List<ReportImage> imgs = r.getImages();
             List<String> beforePhotos = new ArrayList<>();
@@ -386,6 +437,7 @@ public class ReportController {
                 data.put("authorStaffId", report.resolvedAuthorStaffId());
                 data.put("storeId", report.getStoreId());
                 data.put("reportToken", report.getReportToken());
+                putSendFields(data, report, true);
             }
             // 公开 token 请求：不返回 top-level userId/storeId/reportToken（已在上方跳过）
             result.put("code", 200);
@@ -397,6 +449,15 @@ public class ReportController {
         return result;
     }
 
+    private static void putSendFields(Map<String, Object> target, Report report, boolean includeActor) {
+        target.put("sendStatus", report.getSendStatus());
+        target.put("sentAt", report.getSentAt());
+        target.put("sendChannel", report.getSendChannel());
+        if (includeActor) {
+            target.put("sentByUserId", report.getSentByUserId());
+        }
+    }
+
     @DeleteMapping("/delete")
     public Map<String, Object> delete(@RequestParam Long id) {
         CurrentUser u = CurrentUserContext.require();
diff --git a/src/main/java/com/petstore/entity/Report.java b/src/main/java/com/petstore/entity/Report.java
index df34e06..8cdb420 100644
--- a/src/main/java/com/petstore/entity/Report.java
+++ b/src/main/java/com/petstore/entity/Report.java
@@ -17,13 +17,18 @@ import java.util.List;
                 @Index(name = "idx_report_token", columnList = "report_token"),
                 @Index(name = "idx_report_store_user_time", columnList = "store_id,user_id,create_time"),
                 @Index(name = "idx_report_customer_time", columnList = "customer_user_id,create_time"),
-                @Index(name = "idx_report_author_time", columnList = "author_staff_id,create_time")
+                @Index(name = "idx_report_author_time", columnList = "author_staff_id,create_time"),
+                @Index(name = "idx_report_store_send_time", columnList = "store_id,send_status,create_time")
         },
         uniqueConstraints = {
                 @UniqueConstraint(name = "uk_report_appointment", columnNames = "appointment_id")
         }
 )
 public class Report {
+    public static final String SEND_STATUS_UNKNOWN = "unknown";
+    public static final String SEND_STATUS_UNSENT = "unsent";
+    public static final String SEND_STATUS_SENT = "sent";
+
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
@@ -74,6 +79,22 @@ public class Report {
     @Column(name = "update_time")
     private LocalDateTime updateTime;
 
+    /** unknown=历史不可确认；unsent=新报告待发送；sent=员工已显式确认发送。 */
+    @Column(name = "send_status", nullable = false, length = 16)
+    private String sendStatus = SEND_STATUS_UNSENT;
+
+    /** 首次显式确认发送时间；复制链接、展示二维码或预览均不写入。 */
+    @Column(name = "sent_at")
+    private LocalDateTime sentAt;
+
+    /** 首次确认发送的门店员工。 */
+    @Column(name = "sent_by_user_id")
+    private Long sentByUserId;
+
+    /** 首次确认渠道：wechat | qr | other。 */
+    @Column(name = "send_channel", length = 16)
+    private String sendChannel;
+
     @Column(nullable = false, columnDefinition = "TINYINT(1) DEFAULT 0")
     private Boolean deleted = false;
 
diff --git a/src/main/java/com/petstore/mapper/ReportMapper.java b/src/main/java/com/petstore/mapper/ReportMapper.java
index edec5c8..44d0982 100644
--- a/src/main/java/com/petstore/mapper/ReportMapper.java
+++ b/src/main/java/com/petstore/mapper/ReportMapper.java
@@ -3,12 +3,14 @@ package com.petstore.mapper;
 import com.petstore.entity.Report;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
+import org.springframework.data.jpa.repository.Lock;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
 
 import java.util.List;
 import java.util.Optional;
+import jakarta.persistence.LockModeType;
 
 public interface ReportMapper extends JpaRepository<Report, Long> {
     Optional<Report> findFirstByAppointmentIdAndDeletedFalseOrderByCreateTimeDesc(Long appointmentId);
@@ -23,6 +25,12 @@ public interface ReportMapper extends JpaRepository<Report, Long> {
     List<Report> findByStoreIdAndDeletedFalseAndHighlightVideoStatusInOrderByUpdateTimeAsc(
             Long storeId, List<String> highlightVideoStatuses);
 
+    List<Report> findByStoreIdAndSendStatusAndDeletedFalseOrderByCreateTimeAsc(
+            Long storeId, String sendStatus);
+
+    List<Report> findByStoreIdAndSendStatusAndDeletedFalseOrderByCreateTimeDesc(
+            Long storeId, String sendStatus);
+
     /** @deprecated user_id 表示旧报告作者，不再用于客户归属查询。 */
     @Deprecated
     List<Report> findByUserIdAndDeletedFalseOrderByCreateTimeDesc(Long userId);
@@ -34,6 +42,7 @@ public interface ReportMapper extends JpaRepository<Report, Long> {
     List<Report> findAllByDeletedFalseOrderByCreateTimeDesc();
 
     Page<Report> findByStoreIdAndDeletedFalse(Long storeId, Pageable pageable);
+    Page<Report> findByStoreIdAndSendStatusAndDeletedFalse(Long storeId, String sendStatus, Pageable pageable);
 
     /** @deprecated user_id 表示旧报告作者，不再用于客户归属查询。 */
     @Deprecated
@@ -61,5 +70,9 @@ public interface ReportMapper extends JpaRepository<Report, Long> {
     Page<Report> pageForCustomer(@Param("customerUserId") Long customerUserId, Pageable pageable);
     Page<Report> findByDeletedFalse(Pageable pageable);
     Optional<Report> findByIdAndDeletedFalse(Long id);
+
+    @Lock(LockModeType.PESSIMISTIC_WRITE)
+    @Query("SELECT r FROM Report r WHERE r.id = :id AND r.deleted = false")
+    Optional<Report> findByIdAndDeletedFalseForUpdate(@Param("id") Long id);
     
 }
diff --git a/src/main/java/com/petstore/service/AdminBusinessEventService.java b/src/main/java/com/petstore/service/AdminBusinessEventService.java
index aff25fc..b0c8819 100644
--- a/src/main/java/com/petstore/service/AdminBusinessEventService.java
+++ b/src/main/java/com/petstore/service/AdminBusinessEventService.java
@@ -26,6 +26,7 @@ public class AdminBusinessEventService {
         LocalDateTime to = day.plusDays(1).atStartOfDay();
 
         long submitted = count(storeId, BusinessEventService.REPORT_SUBMITTED, from, to);
+        long sent = count(storeId, BusinessEventService.REPORT_SENT, from, to);
         long opened = businessEventMapper.countDistinctAggregatesByTypes(
                 storeId,
                 List.of(BusinessEventService.REPORT_OPENED, BusinessEventService.REPORT_REOPENED),
@@ -37,11 +38,11 @@ public class AdminBusinessEventService {
         Map<String, Object> data = new LinkedHashMap<>();
         data.put("date", day.toString());
         data.put("reportSubmittedCount", submitted);
-        data.put("reportSentCount", null);
+        data.put("reportSentCount", sent);
         data.put("reportOpenedCount", opened);
         data.put("leadSubmittedCount", leads);
         data.put("rebookCreatedCount", null);
-        data.put("reportSentTrackingReady", false);
+        data.put("reportSentTrackingReady", true);
         data.put("rebookTrackingReady", false);
         return data;
     }
diff --git a/src/main/java/com/petstore/service/AdminWorkbenchService.java b/src/main/java/com/petstore/service/AdminWorkbenchService.java
index 8e957b2..98a71b6 100644
--- a/src/main/java/com/petstore/service/AdminWorkbenchService.java
+++ b/src/main/java/com/petstore/service/AdminWorkbenchService.java
@@ -27,6 +27,7 @@ public class AdminWorkbenchService {
     public static final String IN_SERVICE = "in_service";
     public static final String UPCOMING_TODAY = "upcoming_today";
     public static final String HIGHLIGHT_ANOMALY = "highlight_anomaly";
+    public static final String UNSENT_REPORT = "unsent_report";
     public static final String FOLLOW_UP_DUE = "follow_up_due";
 
     private final AppointmentMapper appointmentMapper;
@@ -74,6 +75,12 @@ public class AdminWorkbenchService {
                                 Comparator.nullsFirst(Comparator.naturalOrder())))
                 .toList();
 
+        List<Report> unsentReports = safeReports(
+                reportMapper.findByStoreIdAndSendStatusAndDeletedFalseOrderByCreateTimeAsc(
+                        storeId, Report.SEND_STATUS_UNSENT
+                )
+        );
+
         List<ReportLead> dueFollowUps = safeLeads(
                 reportLeadMapper.findByStoreIdAndRemindStatusOrderByRemindDateAsc(storeId, "pending")
         ).stream()
@@ -94,6 +101,7 @@ public class AdminWorkbenchService {
                 inService.size(),
                 upcomingToday.size(),
                 highlightAnomalies.size(),
+                unsentReports.size(),
                 dueFollowUps.size()
         );
 
@@ -102,6 +110,7 @@ public class AdminWorkbenchService {
         addAppointmentGroup(actions, IN_SERVICE, "high", inService, now);
         addAppointmentGroup(actions, UPCOMING_TODAY, "normal", upcomingToday, now);
         addReportGroup(actions, highlightAnomalies);
+        addUnsentReportGroup(actions, unsentReports);
         addLeadGroup(actions, dueFollowUps);
 
         Map<String, Object> reportFunnel = adminBusinessEventService.reportFunnel(storeId, day);
@@ -178,6 +187,23 @@ public class AdminWorkbenchService {
         groups.add(new ActionGroup(HIGHLIGHT_ANOMALY, "high", reports.size(), items));
     }
 
+    private static void addUnsentReportGroup(List<ActionGroup> groups, List<Report> reports) {
+        if (reports.isEmpty()) return;
+        List<ActionItem> items = reports.stream()
+                .limit(PREVIEW_LIMIT)
+                .map(report -> new ActionItem(
+                        "report",
+                        report.getId(),
+                        report.getPetName(),
+                        report.getServiceType(),
+                        report.getCreateTime() == null ? null : report.getCreateTime().toString(),
+                        report.getSendStatus(),
+                        true
+                ))
+                .toList();
+        groups.add(new ActionGroup(UNSENT_REPORT, "high", reports.size(), items));
+    }
+
     private static void addLeadGroup(List<ActionGroup> groups, List<ReportLead> leads) {
         if (leads.isEmpty()) return;
         List<ActionItem> items = leads.stream()
@@ -210,6 +236,7 @@ public class AdminWorkbenchService {
             long inServiceCount,
             long upcomingTodayCount,
             long highlightAnomalyCount,
+            long unsentReportCount,
             long dueFollowUpCount) {
     }
 
diff --git a/src/main/java/com/petstore/service/BusinessEventService.java b/src/main/java/com/petstore/service/BusinessEventService.java
index 372dcc2..119b133 100644
--- a/src/main/java/com/petstore/service/BusinessEventService.java
+++ b/src/main/java/com/petstore/service/BusinessEventService.java
@@ -31,6 +31,7 @@ public class BusinessEventService {
     public static final String SERVICE_STARTED = "service_started";
     public static final String SERVICE_COMPLETED = "service_completed";
     public static final String REPORT_SUBMITTED = "report_submitted";
+    public static final String REPORT_SENT = "report_sent";
     public static final String REPORT_OPENED = "report_opened";
     public static final String REPORT_REOPENED = "report_reopened";
     public static final String LEAD_SUBMITTED = "lead_submitted";
@@ -152,6 +153,23 @@ public class BusinessEventService {
         ));
     }
 
+    @Transactional
+    public BusinessEvent recordReportSent(Report report, String actorRole) {
+        return record(new EventCommand(
+                REPORT_SENT,
+                report.getStoreId(),
+                resolveStoreCustomerId(report.getStoreId(), report.getCustomerUserId()),
+                "report",
+                report.getId(),
+                report.getSentByUserId(),
+                actorRole,
+                "admin",
+                report.getSentAt(),
+                "report_sent:" + report.getId(),
+                Map.of("channel", report.getSendChannel())
+        ));
+    }
+
     @Transactional
     public BusinessEvent recordLeadSubmitted(
             ReportLead lead,
diff --git a/src/main/java/com/petstore/service/ReportService.java b/src/main/java/com/petstore/service/ReportService.java
index a1f5392..86b6362 100644
--- a/src/main/java/com/petstore/service/ReportService.java
+++ b/src/main/java/com/petstore/service/ReportService.java
@@ -12,11 +12,15 @@ import org.springframework.transaction.annotation.Transactional;
 
 import java.time.LocalDateTime;
 import java.util.List;
+import java.util.Locale;
+import java.util.Set;
 import java.util.UUID;
 
 @Service
 @RequiredArgsConstructor
 public class ReportService {
+    private static final Set<String> SEND_CHANNELS = Set.of("wechat", "qr", "other");
+
     private final ReportMapper reportMapper;
     private final ReportImageMapper reportImageMapper;
     private final AppointmentMapper appointmentMapper;
@@ -94,6 +98,10 @@ public class ReportService {
         LocalDateTime now = LocalDateTime.now();
         report.setCreateTime(now);
         report.setUpdateTime(now);
+        report.setSendStatus(Report.SEND_STATUS_UNSENT);
+        report.setSentAt(null);
+        report.setSentByUserId(null);
+        report.setSendChannel(null);
         report.setDeleted(false);
         
         // 先保存 Report 以获取生成的 ID
@@ -123,6 +131,54 @@ public class ReportService {
         return saved;
     }
 
+    /**
+     * 记录门店员工已经完成的发送事实。首次确认不可覆盖；重复确认幂等成功。
+     * 复制链接、展示二维码和预览报告都不得调用本方法。
+     */
+    @Transactional
+    public ConfirmSentOutcome confirmSent(
+            Long reportId,
+            Long storeId,
+            Long actorUserId,
+            String actorRole,
+            String channel
+    ) {
+        if (reportId == null) {
+            throw new IllegalArgumentException("reportId 必填");
+        }
+        if (storeId == null || actorUserId == null
+                || !("boss".equalsIgnoreCase(actorRole) || "staff".equalsIgnoreCase(actorRole))) {
+            throw new SecurityException("仅门店员工可确认报告发送");
+        }
+        String normalizedChannel = channel == null ? "" : channel.trim().toLowerCase(Locale.ROOT);
+        if (!SEND_CHANNELS.contains(normalizedChannel)) {
+            throw new IllegalArgumentException("发送渠道仅支持 wechat、qr 或 other");
+        }
+
+        Report report = reportMapper.findByIdAndDeletedFalseForUpdate(reportId).orElse(null);
+        if (report == null) {
+            return null;
+        }
+        if (!storeId.equals(report.getStoreId())) {
+            throw new SecurityException("无权确认他店报告发送");
+        }
+        if (Report.SEND_STATUS_SENT.equals(report.getSendStatus())) {
+            return new ConfirmSentOutcome(report, true);
+        }
+
+        LocalDateTime now = LocalDateTime.now();
+        report.setSendStatus(Report.SEND_STATUS_SENT);
+        report.setSentAt(now);
+        report.setSentByUserId(actorUserId);
+        report.setSendChannel(normalizedChannel);
+        Report saved = reportMapper.save(report);
+        businessEventService.recordReportSent(saved, actorRole);
+        return new ConfirmSentOutcome(saved, false);
+    }
+
+    public record ConfirmSentOutcome(Report report, boolean alreadyConfirmed) {
+    }
+
     private String resolveActorRole(Long userId) {
         if (userId == null) {
             return null;
@@ -168,11 +224,19 @@ public class ReportService {
     }
 
     public List<Report> list(Long storeId, Long customerUserId) {
+        return list(storeId, customerUserId, null);
+    }
+
+    public List<Report> list(Long storeId, Long customerUserId, String sendStatus) {
         List<Report> reports;
         if (storeId != null && customerUserId != null) {
             reports = reportMapper.findForCustomer(customerUserId).stream()
                     .filter(r -> storeId.equals(r.getStoreId()))
                     .toList();
+        } else if (storeId != null && sendStatus != null) {
+            reports = reportMapper.findByStoreIdAndSendStatusAndDeletedFalseOrderByCreateTimeDesc(
+                    storeId, sendStatus
+            );
         } else if (storeId != null) {
             reports = reportMapper.findByStoreIdAndDeletedFalseOrderByCreateTimeDesc(storeId);
         } else if (customerUserId != null) {
@@ -184,6 +248,11 @@ public class ReportService {
     }
 
     public Page<Report> page(Long storeId, Long customerUserId, int pageNo, int pageSize) {
+        return page(storeId, customerUserId, null, pageNo, pageSize);
+    }
+
+    public Page<Report> page(
+            Long storeId, Long customerUserId, String sendStatus, int pageNo, int pageSize) {
         Pageable pageable = PageRequest.of(
                 Math.max(pageNo, 0),
                 Math.max(pageSize, 1),
@@ -193,6 +262,8 @@ public class ReportService {
         if (storeId != null && customerUserId != null) {
             // 当前角色模型不会同时出现 store/customer scope；保守按客户归属查询。
             paged = reportMapper.pageForCustomer(customerUserId, pageable);
+        } else if (storeId != null && sendStatus != null) {
+            paged = reportMapper.findByStoreIdAndSendStatusAndDeletedFalse(storeId, sendStatus, pageable);
         } else if (storeId != null) {
             paged = reportMapper.findByStoreIdAndDeletedFalse(storeId, pageable);
         } else if (customerUserId != null) {
diff --git a/src/test/java/com/petstore/controller/AdminBusinessEventControllerTest.java b/src/test/java/com/petstore/controller/AdminBusinessEventControllerTest.java
index 8042cee..41afd22 100644
--- a/src/test/java/com/petstore/controller/AdminBusinessEventControllerTest.java
+++ b/src/test/java/com/petstore/controller/AdminBusinessEventControllerTest.java
@@ -74,7 +74,7 @@ class AdminBusinessEventControllerTest {
         AdminWorkbenchService.WorkbenchData data = new AdminWorkbenchService.WorkbenchData(
                 "2026-08-01",
                 LocalDateTime.of(2026, 8, 1, 10, 0),
-                new AdminWorkbenchService.WorkbenchMetrics(3, 1, 1, 1, 1, 0, 0),
+                new AdminWorkbenchService.WorkbenchMetrics(3, 1, 1, 1, 1, 0, 0, 0),
                 List.of(),
                 Map.of()
         );
diff --git a/src/test/java/com/petstore/controller/ReportControllerTest.java b/src/test/java/com/petstore/controller/ReportControllerTest.java
index 46c96ea..63562e8 100644
--- a/src/test/java/com/petstore/controller/ReportControllerTest.java
+++ b/src/test/java/com/petstore/controller/ReportControllerTest.java
@@ -101,6 +101,9 @@ class ReportControllerTest {
         assertFalse(data.containsKey("authorStaffId"), "公开请求不应返回报告作者 ID");
         assertFalse(data.containsKey("storeId"), "公开请求不应返回 top-level storeId");
         assertFalse(data.containsKey("reportToken"), "公开请求不应返回 reportToken");
+        assertFalse(data.containsKey("sendStatus"), "公开请求不应返回门店发送状态");
+        assertFalse(data.containsKey("sentAt"), "公开请求不应返回门店发送回执");
+        assertFalse(data.containsKey("sentByUserId"), "公开请求不应返回确认员工 ID");
         // 但 store 对象内应包含 id（用于预约跳转深链）
         Map<String, Object> storeInfo = (Map<String, Object>) data.get("store");
         assertNotNull(storeInfo);
@@ -290,6 +293,73 @@ class ReportControllerTest {
         );
     }
 
+    @SuppressWarnings("unchecked")
+    @Test
+    void confirmSentUsesSessionScopeAndReturnsIdempotencyFlag() {
+        setCurrentUserBoss();
+        Report report = new Report();
+        report.setId(9L);
+        report.setSendStatus(Report.SEND_STATUS_SENT);
+        report.setSentAt(java.time.LocalDateTime.of(2026, 8, 1, 10, 0));
+        report.setSentByUserId(1L);
+        report.setSendChannel("wechat");
+        when(reportService.confirmSent(9L, 10L, 1L, "boss", "wechat"))
+                .thenReturn(new ReportService.ConfirmSentOutcome(report, false));
+
+        Map<String, Object> result = controller.confirmSent(Map.of("reportId", 9L, "channel", "wechat"));
+
+        assertEquals(200, result.get("code"));
+        Map<String, Object> data = (Map<String, Object>) result.get("data");
+        assertEquals("sent", data.get("sendStatus"));
+        assertEquals(false, data.get("alreadyConfirmed"));
+        assertFalse(data.containsKey("sentByUserId"));
+    }
+
+    @Test
+    void customerCannotConfirmSent() {
+        CurrentUserContext.set(new CurrentUser(99L, null, "customer"));
+
+        Map<String, Object> result = controller.confirmSent(Map.of("reportId", 9L, "channel", "wechat"));
+
+        assertEquals(403, result.get("code"));
+        assertEquals("FORBIDDEN", result.get("bizCode"));
+        verify(reportService, never()).confirmSent(any(), any(), any(), any(), any());
+    }
+
+    @Test
+    void crossStoreConfirmSentReturnsForbidden() {
+        setCurrentUserBoss();
+        when(reportService.confirmSent(9L, 10L, 1L, "boss", "qr"))
+                .thenThrow(new SecurityException("无权确认他店报告发送"));
+
+        Map<String, Object> result = controller.confirmSent(Map.of("reportId", 9L, "channel", "qr"));
+
+        assertEquals(403, result.get("code"));
+        assertEquals("FORBIDDEN", result.get("bizCode"));
+    }
+
+    @Test
+    void storeReportListFiltersBySendStatusServerSide() {
+        setCurrentUserBoss();
+        when(reportService.list(10L, null, Report.SEND_STATUS_UNSENT)).thenReturn(List.of());
+
+        Map<String, Object> result = controller.list(null, null, "unsent");
+
+        assertEquals(200, result.get("code"));
+        verify(reportService).list(10L, null, Report.SEND_STATUS_UNSENT);
+    }
+
+    @Test
+    void reportListRejectsInvalidSendStatus() {
+        setCurrentUserBoss();
+
+        Map<String, Object> result = controller.list(null, null, "delivered");
+
+        assertEquals(400, result.get("code"));
+        assertEquals("INVALID_SEND_STATUS", result.get("bizCode"));
+        verify(reportService, never()).list(any(), any(), any());
+    }
+
     private void setCurrentUserBoss() {
         CurrentUserContext.set(new CurrentUser(1L, 10L, "boss"));
     }
diff --git a/src/test/java/com/petstore/mapper/ReportSendMigrationTest.java b/src/test/java/com/petstore/mapper/ReportSendMigrationTest.java
new file mode 100644
index 0000000..63bdd7e
--- /dev/null
+++ b/src/test/java/com/petstore/mapper/ReportSendMigrationTest.java
@@ -0,0 +1,69 @@
+package com.petstore.mapper;
+
+import org.h2.tools.RunScript;
+import org.junit.jupiter.api.Test;
+
+import java.io.Reader;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.Statement;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class ReportSendMigrationTest {
+
+    @Test
+    void migrationKeepsHistoryUnknownAndDefaultsNewReportsToUnsent() throws Exception {
+        try (Connection connection = DriverManager.getConnection(
+                "jdbc:h2:mem:report-send-migration;MODE=MySQL;DATABASE_TO_LOWER=TRUE",
+                "sa",
+                ""
+        )) {
+            try (Statement statement = connection.createStatement()) {
+                statement.execute("""
+                        CREATE TABLE t_report (
+                          id BIGINT AUTO_INCREMENT PRIMARY KEY,
+                          store_id BIGINT,
+                          create_time DATETIME,
+                          deleted BOOLEAN DEFAULT FALSE
+                        )
+                        """);
+                statement.execute("INSERT INTO t_report (store_id, create_time) VALUES (10, '2026-08-01 10:00:00')");
+            }
+
+            try (Reader reader = Files.newBufferedReader(
+                    Path.of("db/migrations/20260801_create_report_send_status.sql")
+            )) {
+                RunScript.execute(connection, reader);
+            }
+
+            assertText(connection, "SELECT send_status FROM t_report WHERE id = 1", "unknown");
+            try (Statement statement = connection.createStatement()) {
+                statement.execute("INSERT INTO t_report (store_id, create_time) VALUES (10, '2026-08-01 11:00:00')");
+            }
+            assertText(connection, "SELECT send_status FROM t_report WHERE id = 2", "unsent");
+            assertScalar(connection, """
+                    SELECT COUNT(*) FROM t_report
+                    WHERE send_status IN ('unknown', 'unsent')
+                      AND (sent_at IS NOT NULL OR sent_by_user_id IS NOT NULL OR send_channel IS NOT NULL)
+                    """, 0);
+        }
+    }
+
+    private static void assertText(Connection connection, String sql, String expected) throws Exception {
+        try (Statement statement = connection.createStatement(); ResultSet result = statement.executeQuery(sql)) {
+            result.next();
+            assertEquals(expected, result.getString(1));
+        }
+    }
+
+    private static void assertScalar(Connection connection, String sql, int expected) throws Exception {
+        try (Statement statement = connection.createStatement(); ResultSet result = statement.executeQuery(sql)) {
+            result.next();
+            assertEquals(expected, result.getInt(1));
+        }
+    }
+}
diff --git a/src/test/java/com/petstore/service/AdminBusinessEventServiceTest.java b/src/test/java/com/petstore/service/AdminBusinessEventServiceTest.java
index e20e786..38d52df 100644
--- a/src/test/java/com/petstore/service/AdminBusinessEventServiceTest.java
+++ b/src/test/java/com/petstore/service/AdminBusinessEventServiceTest.java
@@ -26,11 +26,14 @@ class AdminBusinessEventServiceTest {
     @InjectMocks private AdminBusinessEventService service;
 
     @Test
-    void reportFunnelCountsDistinctFactsAndMarksUntrackedStages() {
+    void reportFunnelCountsDistinctFactsAndKeepsOnlyRebookUntracked() {
         LocalDate date = LocalDate.of(2026, 8, 1);
         when(businessEventMapper.countDistinctAggregates(
                 eq(10L), eq(BusinessEventService.REPORT_SUBMITTED), any(LocalDateTime.class), any(LocalDateTime.class)
         )).thenReturn(8L);
+        when(businessEventMapper.countDistinctAggregates(
+                eq(10L), eq(BusinessEventService.REPORT_SENT), any(LocalDateTime.class), any(LocalDateTime.class)
+        )).thenReturn(7L);
         when(businessEventMapper.countDistinctAggregatesByTypes(
                 eq(10L), any(Collection.class), any(LocalDateTime.class), any(LocalDateTime.class)
         )).thenReturn(6L);
@@ -44,9 +47,9 @@ class AdminBusinessEventServiceTest {
         assertEquals(8L, data.get("reportSubmittedCount"));
         assertEquals(6L, data.get("reportOpenedCount"));
         assertEquals(3L, data.get("leadSubmittedCount"));
-        assertNull(data.get("reportSentCount"));
+        assertEquals(7L, data.get("reportSentCount"));
         assertNull(data.get("rebookCreatedCount"));
-        assertFalse((Boolean) data.get("reportSentTrackingReady"));
+        assertEquals(true, data.get("reportSentTrackingReady"));
         assertFalse((Boolean) data.get("rebookTrackingReady"));
     }
 }
diff --git a/src/test/java/com/petstore/service/AdminWorkbenchServiceTest.java b/src/test/java/com/petstore/service/AdminWorkbenchServiceTest.java
index 497a6bd..ce50405 100644
--- a/src/test/java/com/petstore/service/AdminWorkbenchServiceTest.java
+++ b/src/test/java/com/petstore/service/AdminWorkbenchServiceTest.java
@@ -25,6 +25,7 @@ import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.when;
+import static org.mockito.Mockito.verify;
 
 @ExtendWith(MockitoExtension.class)
 class AdminWorkbenchServiceTest {
@@ -65,6 +66,12 @@ class AdminWorkbenchServiceTest {
         when(reportMapper.findByStoreIdAndDeletedFalseAndHighlightVideoStatusInOrderByUpdateTimeAsc(
                 10L, List.of("failed", "processing")))
                 .thenReturn(List.of(stale, fresh, failed));
+        Report unsent = report(23L, "报告待发送", "洗护", null, now.minusMinutes(2));
+        unsent.setCreateTime(now.minusMinutes(2));
+        unsent.setSendStatus(Report.SEND_STATUS_UNSENT);
+        when(reportMapper.findByStoreIdAndSendStatusAndDeletedFalseOrderByCreateTimeAsc(
+                10L, Report.SEND_STATUS_UNSENT))
+                .thenReturn(List.of(unsent));
 
         ReportLead noDate = lead(30L, "无日期线索", null, "pending");
         ReportLead due = lead(31L, "今日回访", LocalDate.of(2026, 8, 1), "pending");
@@ -82,23 +89,28 @@ class AdminWorkbenchServiceTest {
         assertEquals(1L, data.metrics().inServiceCount());
         assertEquals(1L, data.metrics().upcomingTodayCount());
         assertEquals(2L, data.metrics().highlightAnomalyCount());
+        assertEquals(1L, data.metrics().unsentReportCount());
         assertEquals(2L, data.metrics().dueFollowUpCount());
         assertEquals(List.of(
                         AdminWorkbenchService.OVERDUE_APPOINTMENT,
                         AdminWorkbenchService.IN_SERVICE,
                         AdminWorkbenchService.UPCOMING_TODAY,
                         AdminWorkbenchService.HIGHLIGHT_ANOMALY,
+                        AdminWorkbenchService.UNSENT_REPORT,
                         AdminWorkbenchService.FOLLOW_UP_DUE
                 ),
                 data.actions().stream().map(AdminWorkbenchService.ActionGroup::kind).toList());
         assertEquals("迟到的豆豆", data.actions().get(0).items().get(0).petName());
         assertEquals("report", data.actions().get(3).items().get(0).resourceType());
+        assertEquals("unsent", data.actions().get(4).items().get(0).status());
         assertEquals(2L, data.reportFunnel().get("reportSubmittedCount"));
 
         String json = new ObjectMapper().findAndRegisterModules().writeValueAsString(data);
         assertFalse(json.contains("13800000000"));
         assertFalse(json.contains("report-secret-token"));
         assertFalse(json.contains("/private/video.mp4"));
+        verify(reportMapper).findByStoreIdAndSendStatusAndDeletedFalseOrderByCreateTimeAsc(
+                10L, Report.SEND_STATUS_UNSENT);
     }
 
     @Test
diff --git a/src/test/java/com/petstore/service/BusinessEventServiceTest.java b/src/test/java/com/petstore/service/BusinessEventServiceTest.java
index ed491bd..59f422e 100644
--- a/src/test/java/com/petstore/service/BusinessEventServiceTest.java
+++ b/src/test/java/com/petstore/service/BusinessEventServiceTest.java
@@ -140,4 +140,28 @@ class BusinessEventServiceTest {
         assertEquals(50L, result.getId());
         verify(businessEventMapper, never()).save(any());
     }
+
+    @Test
+    void reportSentIsIdempotentAndStoresOnlyChannelMetadata() {
+        Report report = new Report();
+        report.setId(9L);
+        report.setStoreId(10L);
+        report.setCustomerUserId(88L);
+        report.setSentByUserId(7L);
+        report.setSentAt(LocalDateTime.of(2026, 8, 1, 10, 0));
+        report.setSendChannel("wechat");
+        when(storeCustomerMapper.findFirstByStoreIdAndCustomerUserId(10L, 88L))
+                .thenReturn(Optional.empty());
+        when(businessEventMapper.findFirstByIdempotencyKey("report_sent:9"))
+                .thenReturn(Optional.empty());
+        when(businessEventMapper.save(any(BusinessEvent.class))).thenAnswer(inv -> inv.getArgument(0));
+
+        BusinessEvent event = service.recordReportSent(report, "staff");
+
+        assertEquals(BusinessEventService.REPORT_SENT, event.getEventType());
+        assertEquals("report_sent:9", event.getIdempotencyKey());
+        assertEquals("{\"channel\":\"wechat\"}", event.getMetadataJson());
+        assertFalse(event.getMetadataJson().contains("token"));
+        assertEquals(7L, event.getActorUserId());
+    }
 }
diff --git a/src/test/java/com/petstore/service/ReportServiceTest.java b/src/test/java/com/petstore/service/ReportServiceTest.java
index f16db4f..665b80c 100644
--- a/src/test/java/com/petstore/service/ReportServiceTest.java
+++ b/src/test/java/com/petstore/service/ReportServiceTest.java
@@ -100,6 +100,10 @@ class ReportServiceTest {
         assertEquals(5L, created.getUserId());
         assertEquals("技师甲", created.getStaffName());
         assertNotNull(created.getReportToken());
+        assertEquals(Report.SEND_STATUS_UNSENT, created.getSendStatus());
+        assertNull(created.getSentAt());
+        assertNull(created.getSentByUserId());
+        assertNull(created.getSendChannel());
         verify(businessEventService).recordAppointmentStatusChanged(
                 eq(appt), eq("doing"), eq("done"), eq(5L), isNull(), any(LocalDateTime.class)
         );
@@ -166,4 +170,85 @@ class ReportServiceTest {
         verify(reportMapper).findForCustomer(88L);
         verify(reportMapper, never()).findByUserIdAndDeletedFalseOrderByCreateTimeDesc(anyLong());
     }
+
+    @Test
+    void storeListCanFilterByCanonicalSendStatus() {
+        when(reportMapper.findByStoreIdAndSendStatusAndDeletedFalseOrderByCreateTimeDesc(
+                10L, Report.SEND_STATUS_UNSENT)).thenReturn(List.of());
+
+        assertTrue(reportService.list(10L, null, Report.SEND_STATUS_UNSENT).isEmpty());
+
+        verify(reportMapper).findByStoreIdAndSendStatusAndDeletedFalseOrderByCreateTimeDesc(
+                10L, Report.SEND_STATUS_UNSENT);
+    }
+
+    @Test
+    void firstConfirmSentPersistsImmutableReceiptAndEvent() {
+        Report report = new Report();
+        report.setId(9L);
+        report.setStoreId(10L);
+        report.setCustomerUserId(88L);
+        report.setSendStatus(Report.SEND_STATUS_UNSENT);
+        LocalDateTime priorUpdateTime = LocalDateTime.of(2026, 8, 1, 9, 55);
+        report.setUpdateTime(priorUpdateTime);
+        when(reportMapper.findByIdAndDeletedFalseForUpdate(9L)).thenReturn(Optional.of(report));
+        when(reportMapper.save(report)).thenReturn(report);
+
+        ReportService.ConfirmSentOutcome outcome = reportService.confirmSent(
+                9L, 10L, 7L, "staff", "wechat"
+        );
+
+        assertNotNull(outcome);
+        assertFalse(outcome.alreadyConfirmed());
+        assertEquals(Report.SEND_STATUS_SENT, report.getSendStatus());
+        assertEquals(7L, report.getSentByUserId());
+        assertEquals("wechat", report.getSendChannel());
+        assertNotNull(report.getSentAt());
+        assertEquals(priorUpdateTime, report.getUpdateTime(), "发送回执不得重置成片处理超时计时");
+        verify(reportMapper).save(report);
+        verify(businessEventService).recordReportSent(report, "staff");
+    }
+
+    @Test
+    void repeatedConfirmSentIsIdempotentAndPreservesFirstReceipt() {
+        LocalDateTime firstSentAt = LocalDateTime.of(2026, 8, 1, 10, 0);
+        Report report = new Report();
+        report.setId(9L);
+        report.setStoreId(10L);
+        report.setSendStatus(Report.SEND_STATUS_SENT);
+        report.setSentAt(firstSentAt);
+        report.setSentByUserId(7L);
+        report.setSendChannel("wechat");
+        when(reportMapper.findByIdAndDeletedFalseForUpdate(9L)).thenReturn(Optional.of(report));
+
+        ReportService.ConfirmSentOutcome outcome = reportService.confirmSent(
+                9L, 10L, 8L, "boss", "qr"
+        );
+
+        assertTrue(outcome.alreadyConfirmed());
+        assertEquals(firstSentAt, report.getSentAt());
+        assertEquals(7L, report.getSentByUserId());
+        assertEquals("wechat", report.getSendChannel());
+        verify(reportMapper, never()).save(any(Report.class));
+        verify(businessEventService, never()).recordReportSent(any(), any());
+    }
+
+    @Test
+    void confirmSentRejectsCrossStore() {
+        Report report = new Report();
+        report.setId(9L);
+        report.setStoreId(20L);
+        when(reportMapper.findByIdAndDeletedFalseForUpdate(9L)).thenReturn(Optional.of(report));
+
+        assertThrows(SecurityException.class,
+                () -> reportService.confirmSent(9L, 10L, 7L, "staff", "wechat"));
+        verify(reportMapper, never()).save(any(Report.class));
+    }
+
+    @Test
+    void confirmSentRejectsUnknownChannel() {
+        assertThrows(IllegalArgumentException.class,
+                () -> reportService.confirmSent(9L, 10L, 7L, "staff", "clipboard"));
+        verify(reportMapper, never()).findByIdAndDeletedFalseForUpdate(anyLong());
+    }
 }