feat(M05-B): 完成微信支付退款与对账基础

database/migrations/2026062216_m05b_wechat_refunds.down.sql

@@ -0,0 +1,10 @@
+DELETE FROM qipai_schema_migrations WHERE version = '2026062216';
+DROP TABLE IF EXISTS qipai_reconciliation_runs;
+ALTER TABLE qipai_refunds
+  DROP INDEX uq_qipai_refund_callback,
+  DROP INDEX uq_qipai_refund_client_request,
+  DROP COLUMN raw_response,
+  DROP COLUMN failure_code,
+  DROP COLUMN provider_callback_id,
+  DROP COLUMN provider,
+  DROP COLUMN client_request_id;

database/migrations/2026062216_m05b_wechat_refunds.up.sql

@@ -0,0 +1,33 @@
+ALTER TABLE qipai_refunds
+  ADD COLUMN client_request_id VARCHAR(128) NOT NULL AFTER order_id,
+  ADD COLUMN provider VARCHAR(32) NOT NULL DEFAULT 'WECHAT' AFTER client_request_id,
+  ADD COLUMN provider_callback_id VARCHAR(128) NULL AFTER provider_refund_id,
+  ADD COLUMN failure_code VARCHAR(64) NOT NULL DEFAULT '' AFTER completed_at,
+  ADD COLUMN raw_response JSON NULL AFTER failure_code,
+  ADD UNIQUE KEY uq_qipai_refund_client_request (tenant_id, client_request_id),
+  ADD UNIQUE KEY uq_qipai_refund_callback
+    (tenant_id, provider, provider_callback_id);
+
+CREATE TABLE IF NOT EXISTS qipai_reconciliation_runs (
+  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+  tenant_id BIGINT UNSIGNED NOT NULL,
+  payment_config_id BIGINT UNSIGNED NOT NULL,
+  bill_date DATE NOT NULL,
+  bill_type VARCHAR(16) NOT NULL,
+  status VARCHAR(32) NOT NULL DEFAULT 'REQUESTED',
+  download_url VARCHAR(2048) NOT NULL DEFAULT '',
+  error_code VARCHAR(64) NOT NULL DEFAULT '',
+  requested_by BIGINT UNSIGNED NULL,
+  created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+  completed_at DATETIME(3) NULL,
+  CONSTRAINT fk_qipai_reconciliation_tenant
+    FOREIGN KEY (tenant_id) REFERENCES qipai_tenants(id),
+  CONSTRAINT fk_qipai_reconciliation_config
+    FOREIGN KEY (payment_config_id) REFERENCES qipai_payment_configs(id),
+  UNIQUE KEY uq_qipai_reconciliation_request
+    (tenant_id, payment_config_id, bill_date, bill_type),
+  KEY idx_qipai_reconciliation_status (tenant_id, status, bill_date)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+INSERT IGNORE INTO qipai_schema_migrations (version, name)
+VALUES ('2026062216', 'm05b_wechat_refunds');

database/migrations/2026062216_m05b_wechat_refunds.verify.sql

@@ -0,0 +1,22 @@
+SELECT table_name FROM information_schema.tables
+WHERE table_schema = DATABASE()
+  AND table_name = 'qipai_reconciliation_runs';
+
+SELECT column_name FROM information_schema.columns
+WHERE table_schema = DATABASE() AND table_name = 'qipai_refunds'
+  AND column_name IN (
+    'client_request_id', 'provider', 'provider_callback_id',
+    'failure_code', 'raw_response'
+  ) ORDER BY column_name;
+
+SELECT table_name, index_name FROM information_schema.statistics
+WHERE table_schema = DATABASE()
+  AND ((table_name = 'qipai_refunds'
+        AND index_name IN (
+          'uq_qipai_refund_client_request', 'uq_qipai_refund_callback'
+        ))
+    OR (table_name = 'qipai_reconciliation_runs'
+        AND index_name = 'uq_qipai_reconciliation_request'))
+GROUP BY table_name, index_name ORDER BY table_name, index_name;
+
+SELECT version, name FROM qipai_schema_migrations WHERE version = '2026062216';