refactor: centralize llm backend configuration

admin/dashboard/blueprints/system.py

@@ -10,6 +10,7 @@ import psutil
 from collections import deque
 import gzip
 import json
+import yaml
 
 # 创建系统信息蓝图
 system_bp = Blueprint('system', __name__)
@@ -156,6 +157,52 @@ def get_current_user_info():
     return jsonify(result)
 
 
+@system_bp.route('/api/system/config/raw', methods=['GET'])
+@login_required
+def get_system_config_raw():
+    try:
+        server = current_app.dashboard_server
+        config_path = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..', '..', 'config.yaml'))
+        with open(config_path, 'r', encoding='utf-8') as f:
+            config_text = f.read()
+        robot_config = getattr(getattr(server, "robot", None), "config", None)
+        llm_config = getattr(robot_config, "llm", {}) if robot_config else {}
+        llm_backends = (llm_config or {}).get("backends", {})
+        return jsonify({
+            "success": True,
+            "data": config_text,
+            "path": config_path,
+            "llm_backends": list((llm_backends or {}).keys()),
+        })
+    except Exception as e:
+        logger.error(f"读取系统配置失败: {e}")
+        return jsonify({"success": False, "message": str(e)}), 500
+
+
+@system_bp.route('/api/system/config/update', methods=['POST'])
+@login_required
+def update_system_config():
+    try:
+        server = current_app.dashboard_server
+        data = request.get_json() or {}
+        config_text = data.get("config_text")
+        if config_text is None:
+            return jsonify({"success": False, "message": "缺少配置内容"}), 400
+
+        yaml.safe_load(config_text)
+        config_path = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..', '..', 'config.yaml'))
+        with open(config_path, 'w', encoding='utf-8') as f:
+            f.write(config_text)
+
+        if getattr(server, "robot", None) and getattr(server.robot, "config", None):
+            server.robot.config.reload()
+
+        return jsonify({"success": True, "message": "全局配置已保存"})
+    except Exception as e:
+        logger.error(f"保存系统配置失败: {e}")
+        return jsonify({"success": False, "message": str(e)}), 500
+
+
 @system_bp.route('/api/restart_service', methods=['POST'])
 @login_required
 def restart_service():

admin/dashboard/templates/system_status.html

@@ -29,6 +29,29 @@
             <iframe ref="monitorFrame" src="{{ src_url }}" frameborder="0"></iframe>
         </div>
     </el-card>
+
+    <el-card class="workspace-card" shadow="hover">
+        <div slot="header" class="workspace-header">
+            <div>
+                <h3>全局配置</h3>
+                <p>集中维护 `config.yaml`，其中 `llm.backends` 用于统一管理所有模型后端。</p>
+            </div>
+            <div class="page-hero-actions">
+                <el-button size="mini" plain @click="loadSystemConfig">刷新配置</el-button>
+                <el-button size="mini" type="success" @click="saveSystemConfig">保存配置</el-button>
+            </div>
+        </div>
+        <div class="config-meta" v-if="configPath">
+            <span>配置文件：{% raw %}{{ configPath }}{% endraw %}</span>
+            <span v-if="llmBackends.length">LLM 后端：{% raw %}{{ llmBackends.join(', ') }}{% endraw %}</span>
+        </div>
+        <el-input
+            type="textarea"
+            v-model="systemConfigText"
+            :rows="18"
+            placeholder="请输入 YAML 格式的全局配置">
+        </el-input>
+    </el-card>
 </div>
 {% endblock %}
 
@@ -42,11 +65,15 @@
                 currentView: '14',
                 showTimeRangeSelector: false,
                 frameUrl: '{{ src_url }}',
-                restarting: false
+                restarting: false,
+                systemConfigText: '',
+                configPath: '',
+                llmBackends: []
             }
         },
         mounted() {
             this.currentView = '14';
+            this.loadSystemConfig();
         },
         methods: {
             reloadIframe() {
@@ -81,6 +108,35 @@
                 } finally {
                     this.restarting = false;
                 }
+            },
+            async loadSystemConfig() {
+                try {
+                    const response = await axios.get('/api/system/config/raw');
+                    if (response.data.success) {
+                        this.systemConfigText = response.data.data || '';
+                        this.configPath = response.data.path || '';
+                        this.llmBackends = response.data.llm_backends || [];
+                    } else {
+                        this.$message.error(response.data.message || '读取全局配置失败');
+                    }
+                } catch (error) {
+                    this.$message.error(error.response?.data?.message || '读取全局配置失败');
+                }
+            },
+            async saveSystemConfig() {
+                try {
+                    const response = await axios.post('/api/system/config/update', {
+                        config_text: this.systemConfigText
+                    });
+                    if (response.data.success) {
+                        this.$message.success(response.data.message || '保存成功');
+                        this.loadSystemConfig();
+                    } else {
+                        this.$message.error(response.data.message || '保存失败');
+                    }
+                } catch (error) {
+                    this.$message.error(error.response?.data?.message || '保存失败');
+                }
             }
         }
     });
@@ -108,5 +164,7 @@
     .iframe-shell-card .el-card__body { height: calc(100% - 73px); }
     .iframe-shell { height: 100%; border-radius: 18px; overflow: hidden; border: 1px solid rgba(148,163,184,0.12); background: rgba(248,250,252,0.82); }
     .iframe-shell iframe { width: 100%; height: 100%; border: none; display: block; background: #fff; }
+    .workspace-card .el-card__body { display: flex; flex-direction: column; gap: 12px; }
+    .config-meta { display: flex; justify-content: space-between; gap: 12px; color: #64748b; font-size: 12px; }
 </style>
 {% endblock %}