fix(db): map mysql text primary keys to varchar

src/server/db/generated/mysql.bootstrap.sql

@@ -10,7 +10,7 @@ CREATE TABLE IF NOT EXISTS `proxy_logs` (`id` INT AUTO_INCREMENT NOT NULL PRIMAR
 CREATE TABLE IF NOT EXISTS `proxy_video_tasks` (`id` INT AUTO_INCREMENT NOT NULL PRIMARY KEY, `public_id` TEXT NOT NULL, `upstream_video_id` TEXT NOT NULL, `site_url` TEXT NOT NULL, `token_value` TEXT NOT NULL, `requested_model` TEXT, `actual_model` TEXT, `channel_id` INT, `account_id` INT, `status_snapshot` JSON, `upstream_response_meta` JSON, `last_upstream_status` INT, `last_polled_at` DATETIME, `created_at` DATETIME DEFAULT CURRENT_TIMESTAMP, `updated_at` DATETIME DEFAULT CURRENT_TIMESTAMP);
 CREATE TABLE IF NOT EXISTS `token_routes` (`id` INT AUTO_INCREMENT NOT NULL PRIMARY KEY, `model_pattern` TEXT NOT NULL, `model_mapping` JSON, `enabled` BOOLEAN DEFAULT true, `created_at` DATETIME DEFAULT CURRENT_TIMESTAMP, `updated_at` DATETIME DEFAULT CURRENT_TIMESTAMP, `display_name` TEXT, `display_icon` TEXT, `decision_snapshot` JSON, `decision_refreshed_at` DATETIME, `routing_strategy` VARCHAR(191) DEFAULT 'weighted');
 CREATE TABLE IF NOT EXISTS `route_channels` (`id` INT AUTO_INCREMENT NOT NULL PRIMARY KEY, `route_id` INT NOT NULL, `account_id` INT NOT NULL, `token_id` INT, `source_model` TEXT, `priority` INT DEFAULT 0, `weight` INT DEFAULT 10, `enabled` BOOLEAN DEFAULT true, `manual_override` BOOLEAN DEFAULT false, `success_count` INT DEFAULT 0, `fail_count` INT DEFAULT 0, `total_latency_ms` INT DEFAULT 0, `total_cost` DOUBLE DEFAULT 0, `last_used_at` DATETIME, `last_selected_at` DATETIME, `last_fail_at` DATETIME, `consecutive_fail_count` INT NOT NULL DEFAULT 0, `cooldown_level` INT NOT NULL DEFAULT 0, `cooldown_until` DATETIME, FOREIGN KEY (`account_id`) REFERENCES `accounts`(`id`) ON DELETE CASCADE, FOREIGN KEY (`route_id`) REFERENCES `token_routes`(`id`) ON DELETE CASCADE, FOREIGN KEY (`token_id`) REFERENCES `account_tokens`(`id`) ON DELETE SET NULL);
-CREATE TABLE IF NOT EXISTS `settings` (`key` TEXT NOT NULL PRIMARY KEY, `value` TEXT);
+CREATE TABLE IF NOT EXISTS `settings` (`key` VARCHAR(191) NOT NULL PRIMARY KEY, `value` TEXT);
 CREATE TABLE IF NOT EXISTS `site_disabled_models` (`id` INT AUTO_INCREMENT NOT NULL PRIMARY KEY, `site_id` INT NOT NULL, `model_name` TEXT NOT NULL, `created_at` DATETIME DEFAULT CURRENT_TIMESTAMP, FOREIGN KEY (`site_id`) REFERENCES `sites`(`id`) ON DELETE CASCADE);
 CREATE TABLE IF NOT EXISTS `token_model_availability` (`id` INT AUTO_INCREMENT NOT NULL PRIMARY KEY, `token_id` INT NOT NULL, `model_name` TEXT NOT NULL, `available` BOOLEAN, `latency_ms` INT, `checked_at` DATETIME DEFAULT CURRENT_TIMESTAMP, FOREIGN KEY (`token_id`) REFERENCES `account_tokens`(`id`) ON DELETE CASCADE);
 CREATE UNIQUE INDEX `downstream_api_keys_key_unique` ON `downstream_api_keys` (`key`(191));

src/server/db/schemaArtifactGenerator.test.ts

@@ -107,6 +107,13 @@ describe('schema artifact generator', () => {
     expect(artifacts.postgresBootstrap).toContain('"created_at" TIMESTAMP DEFAULT CURRENT_TIMESTAMP');
   });
 
+  it('uses varchar for mysql text primary keys so bootstrap ddl stays executable', () => {
+    const artifacts = generateDialectArtifacts(readSchemaContract());
+
+    expect(artifacts.mysqlBootstrap).toContain('CREATE TABLE IF NOT EXISTS `settings` (`key` VARCHAR(191) NOT NULL PRIMARY KEY, `value` TEXT)');
+    expect(artifacts.mysqlBootstrap).not.toContain('CREATE TABLE IF NOT EXISTS `settings` (`key` TEXT NOT NULL PRIMARY KEY, `value` TEXT)');
+  });
+
   it('rejects destructive diffs when generating additive upgrades', () => {
     const current = readSchemaContract();
     const previous = structuredClone(current);

src/server/db/schemaArtifactGenerator.ts

@@ -65,7 +65,7 @@ function mapColumnType(dialect: SqlDialect, columnName: string, column: SchemaCo
       case 'json':
         return 'JSON';
       case 'text':
-        return column.defaultValue != null ? 'VARCHAR(191)' : 'TEXT';
+        return column.primaryKey || column.defaultValue != null ? 'VARCHAR(191)' : 'TEXT';
       default:
         return 'TEXT';
     }