fix(db): 迁移 157 修复 — points_rule 列名 points → points_value

迁移 SQL 中 INSERT 使用了错误的列名 `points`，
实际表结构为 `points_value`。修复后迁移成功执行：
- follow_up_task 新增 source_type/source_id 列
- points_rule 新增 3 条积分规则种子数据

crates/erp-server/migration/src/m20260520_000157_follow_up_source_and_points_rules.rs

@@ -19,7 +19,7 @@ impl MigrationTrait for Migration {
 
         // 2. 新增积分规则种子：健康数据上报
         let insert_sql = r#"
-            INSERT INTO points_rule (id, tenant_id, name, event_type, points, daily_cap, is_active, created_at, updated_at, version)
+            INSERT INTO points_rule (id, tenant_id, name, event_type, points_value, daily_cap, is_active, created_at, updated_at, version)
             SELECT
                 gen_random_uuid(),
                 t.id,
@@ -37,7 +37,7 @@ impl MigrationTrait for Migration {
                 WHERE pr.event_type = 'health_data_report' AND pr.tenant_id = t.id
             );
 
-            INSERT INTO points_rule (id, tenant_id, name, event_type, points, daily_cap, is_active, created_at, updated_at, version)
+            INSERT INTO points_rule (id, tenant_id, name, event_type, points_value, daily_cap, is_active, created_at, updated_at, version)
             SELECT
                 gen_random_uuid(),
                 t.id,
@@ -55,7 +55,7 @@ impl MigrationTrait for Migration {
                 WHERE pr.event_type = 'lab_report_upload' AND pr.tenant_id = t.id
             );
 
-            INSERT INTO points_rule (id, tenant_id, name, event_type, points, daily_cap, is_active, created_at, updated_at, version)
+            INSERT INTO points_rule (id, tenant_id, name, event_type, points_value, daily_cap, is_active, created_at, updated_at, version)
             SELECT
                 gen_random_uuid(),
                 t.id,