feat(apps/chat): 新增 UI Schema 导航和路由导航工具

apps/lib/features/chat/data/models/ag_ui_event.dart

@@ -177,7 +177,7 @@ class TextMessageEndEvent extends AgUiEvent {
         answer: _asString(json['answer']),
         role: _asString(json['role'], fallback: 'assistant'),
         status: _asString(json['status'], fallback: 'success'),
-        uiSchema: _asMap(json['ui_schema']) ?? _asMap(json['uiSchema']),
+        uiSchema: _asMap(json['ui_schema']),
       );
 }
 
@@ -238,17 +238,12 @@ class ToolCallResultEvent extends AgUiEvent {
 
   factory ToolCallResultEvent.fromJson(Map<String, dynamic> json) =>
       ToolCallResultEvent(
-        messageId: _asString(
-          json['messageId'],
-          fallback: 'tool-${_asString(json['tool_call_id'])}',
-        ),
-        toolCallId: _asString(json['tool_call_id'] ?? json['toolCallId']),
-        toolName: _asString(json['tool_name'] ?? json['toolName']),
-        resultSummary: _asString(
-          json['result_summary'] ?? json['resultSummary'],
-        ),
+        messageId: _asString(json['messageId']),
+        toolCallId: _asString(json['tool_call_id']),
+        toolName: _asString(json['tool_name']),
+        resultSummary: _asString(json['result']),
         status: _asString(json['status'], fallback: 'success'),
-        uiSchema: _asMap(json['ui_schema']) ?? _asMap(json['uiSchema']),
+        uiSchema: _asMap(json['ui_schema']),
       );
 }
 
@@ -328,7 +323,7 @@ class HistoryMessage {
     timestamp:
         DateTime.tryParse(_asString(json['timestamp'])) ?? DateTime.now(),
     attachments: _parseHistoryAttachments(json['attachments']),
-    uiSchema: _asMap(json['ui_schema']) ?? _asMap(json['uiSchema']),
+    uiSchema: _asMap(json['ui_schema']),
   );
 }