新增：AI 接口连通性测试功能；修复：Ollama 超时问题

- 后台 AI 厂商列表新增「⚡ 测试」按钮，实时验证接口连通性
- 显示响应耗时（含冷启动）和模型返回内容
- AiChatService 请求超时从 30s 调整为 120s（兼容 Ollama 本地冷启动）
- 测试接口超时设为 60s

app/Http/Controllers/Admin/AiProviderController.php

@@ -200,6 +200,67 @@ class AiProviderController extends Controller
         ]);
     }
 
+    /**
+     * 测试指定 AI 厂商的接口连通性
+     *
+     * 发送一条简短的测试消息，返回响应结果和耗时，用于验证配置是否正确。
+     *
+     * @param  int  $id  厂商配置 ID
+     * @return JsonResponse 测试结果
+     */
+    public function testConnection(int $id): JsonResponse
+    {
+        $provider = AiProviderConfig::findOrFail($id);
+
+        $apiKey = $provider->getDecryptedApiKey();
+        $base = rtrim($provider->api_endpoint, '/');
+        $endpoint = str_ends_with($base, '/v1')
+            ? $base.'/chat/completions'
+            : $base.'/v1/chat/completions';
+
+        $startTime = microtime(true);
+
+        try {
+            $response = \Illuminate\Support\Facades\Http::withToken($apiKey)
+                ->timeout(60)  // Ollama 本地模型冷启动较慢，给 60s
+                ->post($endpoint, [
+                    'model' => $provider->model,
+                    'messages' => [
+                        ['role' => 'user', 'content' => '请用一句话介绍你自己。'],
+                    ],
+                    'max_tokens' => 64,
+                ]);
+
+            $ms = (int) ((microtime(true) - $startTime) * 1000);
+            $data = $response->json();
+
+            if (! $response->successful()) {
+                return response()->json([
+                    'ok' => false,
+                    'message' => "HTTP {$response->status()}：{$response->body()}",
+                    'ms' => $ms,
+                ]);
+            }
+
+            $reply = $data['choices'][0]['message']['content'] ?? '（无回复内容）';
+
+            return response()->json([
+                'ok' => true,
+                'message' => trim($reply),
+                'ms' => $ms,
+                'model' => $data['model'] ?? $provider->model,
+            ]);
+        } catch (\Illuminate\Http\Client\ConnectionException $e) {
+            $ms = (int) ((microtime(true) - $startTime) * 1000);
+
+            return response()->json([
+                'ok' => false,
+                'message' => '连接失败：'.$e->getMessage(),
+                'ms' => $ms,
+            ]);
+        }
+    }
+
     /**
      * 删除 AI 厂商配置
      *

app/Services/AiChatService.php

@@ -32,7 +32,7 @@ class AiChatService
     /**
      * AI 请求超时时间（秒）
      */
-    private const REQUEST_TIMEOUT = 30;
+    private const REQUEST_TIMEOUT = 120; // Ollama 本地模型冷启动较慢，给足时间
 
     /**
      * Redis 上下文 key 前缀
@@ -124,7 +124,7 @@ PROMPT;
         // 将用户消息加入上下文（包含发送者信息）
         $context[] = [
             'role' => 'user',
-            'content' => "【当前发言人：{$username}】\n" . $message
+            'content' => "【当前发言人：{$username}】\n".$message,
         ];
 
         // 构建完整的 messages 数组（系统提示 + 对话上下文）

resources/views/admin/ai-providers/index.blade.php

@@ -148,6 +148,9 @@
                             </td>
                             <td class="px-6 py-4 text-center">
                                 <div class="flex items-center justify-center gap-2">
+                                    <button
+                                        onclick="testConnection({{ $provider->id }}, '{{ addslashes($provider->name) }}')"
+                                        class="text-teal-600 hover:text-teal-800 text-xs font-bold">⚡ 测试</button>
                                     <button x-on:click="openEdit({{ $provider->toJson() }})"
                                         class="text-indigo-600 hover:text-indigo-800 text-xs font-bold">编辑</button>
                                     <form action="{{ route('admin.ai-providers.destroy', $provider->id) }}" method="POST"
@@ -333,6 +336,38 @@
             }
         }
 
+        /**
+         * 测试 AI 接口连通性
+         */
+        async function testConnection(id, name) {
+            const btn = event.target;
+            const origText = btn.textContent;
+            btn.textContent = '测试中…';
+            btn.disabled = true;
+
+            try {
+                const res = await fetch('/admin/ai-providers/' + id + '/test', {
+                    method: 'POST',
+                    headers: {
+                        'X-CSRF-TOKEN': '{{ csrf_token() }}',
+                        'Accept': 'application/json',
+                    },
+                });
+                const data = await res.json();
+
+                if (data.ok) {
+                    alert(`✅ 「${name}」 连通成功！\n⤵ 响应耗时：${data.ms}ms（包含冷启动）\n🤖 模型回复：${data.message}`);
+                } else {
+                    alert(`❌ 「${name}」 连通失败！\n耗时：${data.ms}ms\n错误：${data.message}`);
+                }
+            } catch (e) {
+                alert('请求异常：' + e.message);
+            } finally {
+                btn.textContent = origText;
+                btn.disabled = false;
+            }
+        }
+
         /**
          * 设为默认 AI 厂商
          */

routes/web.php

@@ -470,6 +470,7 @@ Route::middleware(['chat.auth', 'chat.has_position'])->prefix('admin')->name('ad
         Route::put('/ai-providers/{id}', [\App\Http\Controllers\Admin\AiProviderController::class, 'update'])->name('ai-providers.update');
         Route::post('/ai-providers/{id}/toggle', [\App\Http\Controllers\Admin\AiProviderController::class, 'toggleEnabled'])->name('ai-providers.toggle');
         Route::post('/ai-providers/{id}/default', [\App\Http\Controllers\Admin\AiProviderController::class, 'setDefault'])->name('ai-providers.default');
+        Route::post('/ai-providers/{id}/test', [\App\Http\Controllers\Admin\AiProviderController::class, 'testConnection'])->name('ai-providers.test');
         Route::post('/ai-providers/toggle-chatbot', [\App\Http\Controllers\Admin\AiProviderController::class, 'toggleChatBot'])->name('ai-providers.toggle-chatbot');
         Route::delete('/ai-providers/{id}', [\App\Http\Controllers\Admin\AiProviderController::class, 'destroy'])->name('ai-providers.destroy');