fix(db): 迁移247 user_intents补skip_count/last_skip_at列，修复Unknown column错误

cfc-backend/src/main/java/com/etotem/cfc/config/DatabaseInitializer.java

@@ -6336,6 +6336,10 @@ try {
     } catch (Exception e) {
         log.warn("创建activity_materials表失败: {}", e.getMessage());
     }
+
+    // 迁移247: user_intents 表添加跳过次数和最近跳过时间（原迁移243误置于seedSysMenus中，菜单非空时永不执行）
+    ensureColumn("user_intents", "skip_count", "INT DEFAULT 0 COMMENT '跳过意图问卷次数'");
+    ensureColumn("user_intents", "last_skip_at", "DATETIME DEFAULT NULL COMMENT '最近一次跳过意图问卷时间'");
     }
 
     private void runMigration82() {
@@ -8961,6 +8965,8 @@ private void runMigration100() {
 				"survey_template_id BIGINT DEFAULT NULL COMMENT '最近作答问卷模板ID', " +
 				"survey_submitted_at DATETIME DEFAULT NULL COMMENT '最近问卷提交时间', " +
 				"survey_result_json TEXT COMMENT '问卷答案→推荐结果快照', " +
+				"skip_count INT DEFAULT 0 COMMENT '跳过意图问卷次数', " +
+				"last_skip_at DATETIME DEFAULT NULL COMMENT '最近一次跳过意图问卷时间', " +
 				"created_at DATETIME DEFAULT CURRENT_TIMESTAMP, " +
 				"updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, " +
 				"UNIQUE KEY uk_user (user_id)" +
@@ -9346,20 +9352,5 @@ private void runMigration100() {
 			Long id = jdbcTemplate.queryForObject("SELECT LAST_INSERT_ID()", Long.class);
 			keyToId.put(m[1], id);
 		}
-		// 迁移242: health_reports 表添加 payload_json 字段（报告完整载荷快照）
-		try {
-			jdbcTemplate.execute("ALTER TABLE health_reports ADD COLUMN payload_json LONGTEXT DEFAULT NULL COMMENT '报告完整载荷快照'");
-			log.info("已添加payload_json列到health_reports表");
-		} catch (Exception ex) {
-			log.warn("添加payload_json列失败: {}", ex.getMessage());
-		}
-		// 迁移243: user_intents 表添加跳过次数和最近跳过时间
-		try {
-			jdbcTemplate.execute("ALTER TABLE user_intents ADD COLUMN skip_count INT DEFAULT 0 COMMENT '跳过意图问卷次数'");
-			jdbcTemplate.execute("ALTER TABLE user_intents ADD COLUMN last_skip_at DATETIME DEFAULT NULL COMMENT '最近一次跳过意图问卷时间'");
-			log.info("已添加skip_count和last_skip_at列到user_intents表");
-		} catch (Exception ex) {
-			log.warn("添加user_intents跳过列失败: {}", ex.getMessage());
-		}
 	}
 }