fix(publish): 补齐实体键唯一索引的测试覆盖与守卫消息

internal/repository/entity_key_unique_integration_test.go

@@ -74,4 +74,18 @@ func TestStreetEntityKeyUnique(t *testing.T) {
 	if _, err := repo.CreateStreetSnapWithImages(ctx, dup, []model.StreetSnapImage{{Image: "uniq-b.jpg", SortOrder: 1}}); err == nil {
 		t.Fatalf("同一实体键的第二行应被唯一索引拒绝，实际插入成功")
 	}
+
+	// 软删首行后，实体键不再占用（与 is_deleted = 0 的部分索引口径一致）。
+	if err := db.Model(&model.StreetSnap{}).Where("id = ?", id).Update("is_deleted", 1).Error; err != nil {
+		t.Fatalf("软删失败: %v", err)
+	}
+	again := &model.StreetSnap{JobID: 1, Title: "uniq", Year: year, City: city, Status: model.StatusPending}
+	newID, err := repo.CreateStreetSnapWithImages(ctx, again, []model.StreetSnapImage{{Image: "uniq-c.jpg", SortOrder: 1}})
+	if err != nil {
+		t.Fatalf("软删后应可再插入同实体键: %v", err)
+	}
+	t.Cleanup(func() {
+		db.Exec("DELETE FROM street_snap_images WHERE snap_id = ?", newID)
+		db.Exec("DELETE FROM street_snaps WHERE id = ?", newID)
+	})
 }

internal/repository/ingest_repository.go

@@ -315,7 +315,7 @@ func (r *ingestRepository) ReuseRejectedRunway(ctx context.Context, id uint32, r
 			return uErr
 		}
 		if upd.RowsAffected == 0 {
-			return fmt.Errorf("runway %d 已不是 rejected 状态，复用前置条件失效", id)
+			return fmt.Errorf("runway %d 复用前置条件失效：该行已不是 rejected 状态或已被软删", id)
 		}
 		if dErr := tx.Model(&model.BrandRunwayImage{}).
 			Where("runway_id = ? AND is_deleted = 0", id).
@@ -398,7 +398,7 @@ func (r *ingestRepository) ReuseRejectedStreetSnap(ctx context.Context, id uint3
 			return uErr
 		}
 		if upd.RowsAffected == 0 {
-			return fmt.Errorf("street snap %d 已不是 rejected 状态，复用前置条件失效", id)
+			return fmt.Errorf("street snap %d 复用前置条件失效：该行已不是 rejected 状态或已被软删", id)
 		}
 		if dErr := tx.Model(&model.StreetSnapImage{}).
 			Where("snap_id = ? AND is_deleted = 0", id).

internal/repository/publish_status_integration_test.go

@@ -9,6 +9,7 @@ package repository
 
 import (
 	"context"
+	"fmt"
 	"os"
 	"path/filepath"
 	"testing"
@@ -39,7 +40,13 @@ func applyMigration(t *testing.T, db *gorm.DB, name string) {
 func seedRunway(t *testing.T, db *gorm.DB, status string, year uint16) uint32 {
 	t.Helper()
 	now := uint32(1_800_000_000)
-	rw := model.BrandRunway{TitleEn: "view-test", Year: year, Status: status, CreatedAt: now, UpdatedAt: now}
+	// 实体键必须非空且按 year 派生：2026-09-22-03 的唯一索引落库后，brand_id=0 且
+	// season_code / collection_type 均为空会让同一次运行里的多条种子行（乃至上次运行
+	// 未清理的遗留行）被当成「同一实体」而互相冲突，失败点还会伪装成迁移体检。
+	rw := model.BrandRunway{
+		TitleEn: "view-test", Year: year, Status: status, CreatedAt: now, UpdatedAt: now,
+		SeasonCode: fmt.Sprintf("T%04d", year), CollectionType: "t",
+	}
 	if err := db.Create(&rw).Error; err != nil {
 		t.Fatalf("插入走秀失败: %v", err)
 	}