diff --git a/wwwroot/agent_input.js b/wwwroot/agent_input.js
deleted file mode 100644
index 8786a52..0000000
--- a/wwwroot/agent_input.js
+++ /dev/null
@@ -1,123 +0,0 @@
-// AgentInput — 集成模型选择的输入控件
-// options: { model_dataurl, model_cwidth, placeholder, url(提交图标), ...VBox 原有属性 }
-// event: inputed → { prompt, add_files, model_id }
-
-bricks.AgentInput = class extends bricks.VBox {
-    constructor(opts) {
-        opts.height = 'auto';
-        opts.width = '100%';
-        super(opts);
-
-        // file upload
-        this.inputfilew = new bricks.UiFile({name: 'add_file'});
-        this.filesbar = new bricks.DynamicColumn({col_cwidth: 10});
-        this.add_files = [];
-        this.file_names = [];
-        this.inputfilew.bind('changed', this.file_added.bind(this));
-
-        // text input
-        this.textw = new bricks.UiText({
-            name: 'prompt',
-            placeholder: opts.placeholder || ''
-        });
-
-        // model selector — 直接用 UiCode，不用 Form
-        this.model_selector = new bricks.UiCode({
-            name: 'model_id',
-            valueField: 'model_id',
-            textField: 'model_id_text',
-            dataurl: opts.model_dataurl || '',
-            params: opts.model_params || {},
-            cwidth: opts.model_cwidth || 12,
-            cfontsize: 0.85
-        });
-
-        // add file button
-        var addfilew = new bricks.Svg({
-            cwidth: 1.5, cheight: 1.5,
-            url: bricks_resource('imgs/add.svg')
-        });
-        addfilew.bind('click', this.add_file.bind(this));
-
-        // submit button
-        var inputw = new bricks.Svg({
-            cwidth: 1.5, cheight: 1.5,
-            url: opts.url || bricks_resource('imgs/submit.svg')
-        });
-        inputw.bind('click', this.input_finished.bind(this));
-
-        // button row: [+add] [model_selector] [filler] [submit]
-        var hbox = new bricks.HBox({cheight: 1.5, gap: '4px', alignItems: 'center'});
-        hbox.add_widget(addfilew);
-        hbox.add_widget(this.model_selector);
-        hbox.add_widget(new bricks.VBox({css: 'filler'}));
-        hbox.add_widget(inputw);
-
-        // assemble
-        this.add_widget(this.inputfilew);
-        this.add_widget(this.filesbar);
-        this.add_widget(this.textw);
-        this.add_widget(hbox);
-
-        this.filesbar.hide();
-        this.inputfilew.hide();
-    }
-
-    input_finished() {
-        var txt = this.textw.getValue();
-        if (!txt.prompt || txt.prompt.length < 1) return;
-        var p = this.params || {};
-        var mv = this.model_selector.getValue();
-        // UiCode 的 getValue 可能返回对象也可能返回字符串，统一提取
-        var mid = '';
-        if (typeof mv === 'object' && mv !== null) {
-            mid = mv.model_id || mv.value || '';
-        } else {
-            mid = mv || '';
-        }
-        var d = Object.assign({}, p, {
-            add_files: this.add_files,
-            file_names: this.file_names,
-            prompt: txt.prompt,
-            model_id: mid
-        });
-        this.dispatch('inputed', d);
-        this.textw.setValue('');
-        this.add_files = [];
-        this.file_names = [];
-        this.filesbar.clear_widgets();
-        this.filesbar.hide();
-    }
-
-    file_added(e) {
-        this.inputfilew.hide();
-        var file = this.inputfilew.getValue().add_file;
-        this.inputfilew.reset();
-        this.add_files.push(file);
-        this.file_names.push(file.name);
-        this.filesbar.clear_widgets();
-        var w = new bricks.DeletableLabel({label: file.name});
-        this.filesbar.add_widget(w);
-        this.filesbar.show();
-        w.bind('deleted', this.deleted_file.bind(this, file));
-    }
-
-    deleted_file(file) {
-        this.add_files = this.add_files.filter(i => i !== file);
-        this.file_names = this.file_names.filter(n => n !== file.name);
-        if (this.add_files.length === 0) this.filesbar.hide();
-    }
-
-    add_file() {
-        this.inputfilew.show();
-    }
-
-    getValue() {
-        return {
-            prompt: (this.textw.getValue() || {}).prompt || '',
-            model_id: this.model_selector.getValue() || ''
-        };
-    }
-};
-
-bricks.Factory.register('AgentInput', bricks.AgentInput);