feat: align chat rendering with CLI and trim frontend load weight

- Merge thinking and assistant text into one assistant bubble with ordered blocks

- Restyle tool execution blocks to match CLI layout and status

- Remove startup splash screen and ship woff2-only fonts in public

- Add default avatars when agent or user image is unset

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/routes/SettingsPage.tsx

@@ -4,7 +4,6 @@ import * as promptsApi from "../api/prompts";
 import type { PromptFile } from "../api/prompts";
 import * as settingsApi from "../api/settings";
 import { useAvatars } from "../context/AvatarContext";
-import { useBootstrap } from "../context/BootstrapContext";
 import { useChatContext } from "../context/ChatContext";
 import type { AgentToolInfo, EnvironmentInfo, EnvironmentToolsInfo, ExtensionInfo, McpServerInfo, RuntimeInfo, SettingsPaneId, SkillInfo } from "../types/events";
 import type { McpToolInfo } from "../types/events";
@@ -308,7 +307,6 @@ function McpToolItem({
 }
 
 export function SettingsPage() {
-	const { markRouteReady } = useBootstrap();
 	const { updateAvatars } = useAvatars();
 	const { showThinkingAndTools, toggleShowThinkingAndTools } = useChatContext();
 	const [activePane, setActivePane] = useState<SettingsPaneId>("prompt");
@@ -408,9 +406,8 @@ export function SettingsPage() {
 			setStatus(`加载设置失败: ${err instanceof Error ? err.message : String(err)}`, "error");
 		} finally {
 			setLoading(false);
-			markRouteReady("settings");
 		}
-	}, [markRouteReady, updateAvatars]);
+	}, [updateAvatars]);
 
 	const reloadSettings = async () => {
 		setReloading(true);