feat: 新增 site_submissions 审核表, 提交先进审核再写入sites

par-core/src/main/resources/db/migration/V7__site_submissions.sql

@@ -0,0 +1,16 @@
+CREATE TABLE site_submissions (
+    id              BIGINT UNSIGNED     NOT NULL AUTO_INCREMENT COMMENT '主键',
+    site_id         VARCHAR(64)         NOT NULL COMMENT '站点标识',
+    submitter_id    BIGINT UNSIGNED     COMMENT '提交者账户ID',
+    raw_data        JSON                NOT NULL COMMENT '原始提交数据 {names,urls,notes,site_status}',
+    status          VARCHAR(20)         NOT NULL DEFAULT 'pending' COMMENT '审核状态: pending/approved/rejected',
+    reviewer_id     BIGINT UNSIGNED     COMMENT '审核人ID',
+    review_comment  VARCHAR(500)        COMMENT '审核备注',
+    reviewed_at     DATETIME            COMMENT '审核时间',
+    site_record_id  BIGINT UNSIGNED     COMMENT '审核通过后关联的 sites.id',
+    created_at      DATETIME            NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY (id),
+    KEY idx_site_id (site_id),
+    KEY idx_status (status),
+    KEY idx_submitter (submitter_id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='站点提交审核表';