fix(ui): 修复主题颜色和状态行显示问题

- 使用 useTheme 替代硬编码的颜色值以支持主题自适应
- 调整 Spinner 颜色为主题警告色
- 移除重复的状态行显示逻辑，避免冗余渲染
- 错误信息文本颜色改为主题危险色以增强提示效果

fix(tests): 修改消息元信息字段以符合实际含义

- 将消息元信息中的 isModelChange 替换为 settingChange 字段并赋值 "model"

fix(ui): 修复提示输入组件粘贴标记高亮逻辑

- 为 highlightPasteMarkersInText 函数新增高亮颜色参数
- 调整调用 highlightPasteMarkersInText 时传入高亮色值
- 保持光标聚焦状态下文本渲染逻辑一致性

Author: hqwlkj

src/tests/message-view.test.ts

@@ -139,7 +139,7 @@ test("MessageView echoes model changes with submitted prompt wrapping", () => {
   const msg = makeSessionMessage({
     role: "system",
     content: "abcdefgh",
-    meta: { isModelChange: true },
+    meta: { settingChange: "model" },
   });
   const output = renderToString(React.createElement(MessageView, { message: msg, width: 8 }), { columns: 8 });
 

src/ui/views/App.tsx

@@ -64,6 +64,7 @@ const StatusLine = React.memo(function StatusLine({
   busy: boolean;
   text?: string;
 }): React.ReactElement {
+  const theme = useTheme();
   const [spinnerIndex, setSpinnerIndex] = useState(0);
 
   useEffect(() => {
@@ -79,10 +80,10 @@ const StatusLine = React.memo(function StatusLine({
   }, [busy]);
 
   return (
-    <Box>
+    <Box marginLeft={2}>
       {busy ? (
         <Box marginRight={1}>
-          <Text color="yellow">{STATUS_SPINNER_FRAMES[spinnerIndex]}</Text>
+          <Text color={theme.status.warning}>{STATUS_SPINNER_FRAMES[spinnerIndex]}</Text>
         </Box>
       ) : null}
       {text ? <Text dimColor>{text}</Text> : null}
@@ -825,11 +826,6 @@ function App({ projectRoot, initialPrompt, onRestart }: AppProps): React.ReactEl
         }}
       </ThemeableStatic>
       {busy || statusLine ? <StatusLine busy={busy} text={statusLine} /> : null}
-      {statusLine ? (
-        <Box marginLeft={2}>
-          <Text dimColor>{statusLine}</Text>
-        </Box>
-      ) : null}
       {errorLine ? (
         <Box marginLeft={2}>
           <Text color={theme.status.danger}>Error: {errorLine}</Text>

src/ui/views/PromptInput.tsx

@@ -996,13 +996,13 @@ export function renderBufferWithCursor(
   }
 
   if (!isFocused || !showSimulatedCursor) {
-    return highlightPasteMarkersInText(text, validIds);
+    return highlightPasteMarkersInText(text, validIds, h);
   }
 
   return renderFocusedText(text, cursor, validIds, h);
 }
 
-function highlightPasteMarkersInText(s: string, validIds: Map<number, string>): string {
+function highlightPasteMarkersInText(s: string, validIds: Map<number, string>, highlightColor: string): string {
   if (!s.includes("[paste #")) return s.endsWith("\n") ? `${s} ` : s;
   PASTE_MARKER_REGEX.lastIndex = 0;
   let result = "";