docs: update models and channels doc

channel/web/static/js/console.js

@@ -58,7 +58,7 @@ const I18N = {
         models_search_add_provider: '添加厂商',
         models_search_add_desc: '选择一个搜索厂商进行配置',
         models_search_bocha_title: '配置博查 API Key',
-        models_search_bocha_desc: '前往 <a href="https://open.bochaai.com" target="_blank" class="text-primary-500 hover:text-primary-600 underline">博查开放平台</a> 创建 API Key。',
+        models_search_bocha_desc: '前往博查开放平台创建 API Key',
         models_search_edit_hint: '点击修改配置',
         models_unavailable: '不可用',
         models_set_via_env: '通过环境变量启用',
@@ -232,7 +232,7 @@ const I18N = {
         models_search_add_provider: 'Add provider',
         models_search_add_desc: 'Pick a search provider to configure',
         models_search_bocha_title: 'Configure Bocha API Key',
-        models_search_bocha_desc: 'Create a key at the <a href="https://open.bochaai.com" target="_blank" class="text-primary-500 hover:text-primary-600 underline">Bocha open platform</a>.',
+        models_search_bocha_desc: 'Create a key at the Bocha open platform.',
         models_search_edit_hint: 'Click to edit',
         models_unavailable: 'unavailable',
         models_set_via_env: 'enable via environment variable',

channel/web/web_channel.py

@@ -1840,7 +1840,12 @@ class ModelsHandler:
         "doubao":    ["seedream-5.0-lite", "seedream-4.5"],
         "dashscope": ["qwen-image-2.0-pro", "qwen-image-2.0"],
         "minimax":   ["image-01"],
-        "linkai":    ["gpt-image-2", "gemini-3-pro-image-preview", "seedream-5.0-lite"],
+        "linkai": [
+            "gpt-image-2",
+            {"value": "gemini-3.1-flash-image-preview", "hint": "Nano Banana 2"},
+            {"value": "gemini-3-pro-image-preview",     "hint": "Nano Banana Pro"},
+            "seedream-5.0-lite",
+        ],
     }
 
     @staticmethod