更新

backend/database/migrate_extra_config.php

@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * 为 ai_models 增加 extra_config 字段（可重复执行）
+ * 用法: php database/migrate_extra_config.php
+ */
+
+require __DIR__ . '/../vendor/autoload.php';
+
+$envFile = dirname(__DIR__) . '/.env';
+$env = [];
+if (is_file($envFile)) {
+    foreach (file($envFile, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES) as $line) {
+        $line = trim($line);
+        if ($line === '' || str_starts_with($line, '#') || !str_contains($line, '=')) {
+            continue;
+        }
+        [$k, $v] = array_map('trim', explode('=', $line, 2));
+        $env[$k] = trim($v, " \t\"'");
+    }
+}
+
+$host = $env['DB_HOST'] ?? '127.0.0.1';
+$name = $env['DB_NAME'] ?? 'ai_chat';
+$user = $env['DB_USER'] ?? 'root';
+$pass = $env['DB_PASS'] ?? '';
+$port = $env['DB_PORT'] ?? '3306';
+
+$pdo = new PDO("mysql:host={$host};port={$port};dbname={$name};charset=utf8mb4", $user, $pass);
+$cols = $pdo->query("SHOW COLUMNS FROM ai_models LIKE 'extra_config'")->fetchAll();
+if ($cols) {
+    echo "extra_config already exists\n";
+    exit(0);
+}
+
+$pdo->exec("ALTER TABLE ai_models ADD COLUMN extra_config JSON NULL COMMENT 'ComfyUI工作流等扩展配置' AFTER presence_penalty");
+echo "extra_config column added\n";