fix shared-db tenant runtime gaps

server/db/mysql/infrastructure_schema.go

@@ -6,7 +6,7 @@ package mysql
 func ensureIMHTTPInfrastructureTables(exec sqlExecutor) error {
 	statements := []string{
 		`CREATE TABLE IF NOT EXISTS im_http_idempotency (
-			id BIGINT NOT NULL AUTO_INCREMENT, user_id BIGINT NOT NULL,
+			id BIGINT NOT NULL AUTO_INCREMENT, tenant_id BIGINT NOT NULL DEFAULT 0, user_id BIGINT NOT NULL,
 			method VARCHAR(8) NOT NULL, route VARCHAR(512) NOT NULL,
 			idempotency_key VARCHAR(128) NOT NULL, body_hash CHAR(64) NOT NULL,
 			state VARCHAR(16) NOT NULL DEFAULT 'processing', response_status INT NOT NULL DEFAULT 0,
@@ -14,7 +14,7 @@ func ensureIMHTTPInfrastructureTables(exec sqlExecutor) error {
 			created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
 			updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
 			PRIMARY KEY(id),
-			UNIQUE INDEX uk_im_http_idempotency_scope(user_id, method, route, idempotency_key),
+			UNIQUE INDEX uk_im_http_idempotency_scope(tenant_id, user_id, method, route, idempotency_key),
 			INDEX idx_im_http_idempotency_expiry(expires_at)
 		) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci`,
 		`CREATE TABLE IF NOT EXISTS im_kafka_consume_log (
@@ -82,5 +82,15 @@ func ensureIMHTTPInfrastructureTables(exec sqlExecutor) error {
 			return err
 		}
 	}
+	migrations := []ignoreSQLError{
+		{`ALTER TABLE im_http_idempotency ADD COLUMN tenant_id BIGINT NOT NULL DEFAULT 0 AFTER id`, 1060},
+		{`ALTER TABLE im_http_idempotency DROP INDEX uk_im_http_idempotency_scope`, 1091},
+		{`ALTER TABLE im_http_idempotency ADD UNIQUE INDEX uk_im_http_idempotency_scope(tenant_id, user_id, method, route, idempotency_key)`, 1061},
+	}
+	for _, migration := range migrations {
+		if err := execIgnoreMySQLError(exec, migration.sql, migration.code); err != nil {
+			return err
+		}
+	}
 	return nil
 }