feat: support gemini output text and inline images. (close #866)

web/src/components/ModelSetting.js

@@ -13,6 +13,7 @@ const ModelSetting = () => {
   let [inputs, setInputs] = useState({
     'gemini.safety_settings': '',
     'gemini.version_settings': '',
+    'gemini.supported_imagine_models': '',
     'claude.model_headers_settings': '',
     'claude.thinking_adapter_enabled': true,
     'claude.default_max_tokens': '',
@@ -34,7 +35,8 @@ const ModelSetting = () => {
           item.key === 'gemini.safety_settings' ||
           item.key === 'gemini.version_settings' ||
           item.key === 'claude.model_headers_settings'||
-          item.key === 'claude.default_max_tokens'
+          item.key === 'claude.default_max_tokens'||
+          item.key === 'gemini.supported_imagine_models'
         ) {
           item.value = JSON.stringify(JSON.parse(item.value), null, 2);
         }

web/src/pages/Setting/Model/SettingGeminiModel.js

@@ -26,6 +26,7 @@ export default function SettingGeminiModel(props) {
   const [inputs, setInputs] = useState({
     'gemini.safety_settings': '',
     'gemini.version_settings': '',
+    'gemini.supported_imagine_models': [],
   });
   const refForm = useRef();
   const [inputsRow, setInputsRow] = useState(inputs);
@@ -125,6 +126,16 @@ export default function SettingGeminiModel(props) {
                 />
               </Col>
             </Row>
+            <Row>
+              <Col xs={24} sm={12} md={8} lg={8} xl={8}>
+                <Form.TextArea
+                  field={'gemini.supported_imagine_models'}
+                  label={t('支持的图像模型')}
+                  placeholder={t('例如：') + '\n' + JSON.stringify(['gemini-2.0-flash-exp-image-generation'], null, 2)}
+                  onChange={(value) => setInputs({ ...inputs, 'gemini.supported_imagine_models': value })}
+                />
+              </Col>
+            </Row>
 
             <Row>
               <Button size='default' onClick={onSubmit}>