feat(icons): redraw translation / vocab / history / selectionAsk SVGs

openless-all/app/src/components/Icon.tsx

@@ -4,12 +4,17 @@
 import type { CSSProperties } from 'react';
 
 export const ICONS: Record<string, string> = {
-  overview: 'M3 13l4-4 3 3 7-7M14 5h4v4',
-  history: 'M3 12a9 9 0 1 0 3-6.7M3 4v4h4',
-  vocab:   'M5 4h11a2 2 0 0 1 2 2v13l-3-2-3 2-3-2-3 2V6a2 2 0 0 1 2-2zM8 9h7M8 13h5',
+  // overview — 仪表盘式分屏布局（顶部摘要条 + 左右两块小卡），传达"概览/总览"
+  overview: 'M4 5h16v5H4zM4 13h7v6H4zM13 13h7v6h-7z',
+  // history — 时钟表盘 + 左上角逆时针回拨箭头，强调"过去/回看"
+  history: 'M12 8v4l3 2M3.5 12a8.5 8.5 0 1 0 2.8-6.3L3 8M3 4v4h4',
+  // vocab — Feather 风格 open-book（书脊居中 + 左右两页），相比旧的"带书签的合上书"在 14px 下更易辨识
+  vocab:   'M12 7v14M12 7a3 3 0 0 0-3-3H4v14h5a3 3 0 0 1 3 3M12 7a3 3 0 0 1 3-3h5v14h-5a3 3 0 0 0-3 3',
   style:   'M12 3a9 9 0 1 0 0 18 3 3 0 0 0 3-3v-1a2 2 0 0 1 2-2h1a3 3 0 0 0 3-3 9 9 0 0 0-9-9z',
-  translate:'M3 5h7M6 4v2M5 8c0 4 3 6 5 6M9 8c0 4-3 6-5 6M13 20l4-10 4 10M14.5 17h5',
-  selectionAsk:'M4 6h11M4 10h11M4 14h7M17 14a3 3 0 1 1 3 3v1M20 22h.01',
+  // translate — 地球仪（圆 + 赤道 + 经线椭圆），通用的"语言/国际化"符号，比旧版"A+文+三角"在 14px 下更清晰
+  translate:'M12 3a9 9 0 1 0 0 18 9 9 0 0 0 0-18zM3 12h18M12 3c2.5 2.5 4 5.5 4 9s-1.5 6.5-4 9c-2.5-2.5-4-5.5-4-9s1.5-6.5 4-9',
+  // selectionAsk — 三行文本（"被选中的内容"）+ 右下角对话气泡（"追问"），直白表达"对选中文字提问"
+  selectionAsk:'M3 5h12M3 9h12M3 13h7M14 14h6a2 2 0 0 1 2 2v3a2 2 0 0 1-2 2h-3l-3 3v-3a2 2 0 0 1-2-2v-3a2 2 0 0 1 2-2z',
   settings:'M12 9.5a2.5 2.5 0 1 0 0 5 2.5 2.5 0 0 0 0-5zM19.4 15a1.7 1.7 0 0 0 .3 1.8l.1.1a2 2 0 1 1-2.8 2.8l-.1-.1a1.7 1.7 0 0 0-1.8-.3 1.7 1.7 0 0 0-1 1.5V21a2 2 0 1 1-4 0v-.1a1.7 1.7 0 0 0-1.1-1.5 1.7 1.7 0 0 0-1.8.3l-.1.1a2 2 0 1 1-2.8-2.8l.1-.1a1.7 1.7 0 0 0 .3-1.8 1.7 1.7 0 0 0-1.5-1H3a2 2 0 1 1 0-4h.1a1.7 1.7 0 0 0 1.5-1.1 1.7 1.7 0 0 0-.3-1.8l-.1-.1A2 2 0 1 1 7 4.9l.1.1a1.7 1.7 0 0 0 1.8.3H9a1.7 1.7 0 0 0 1-1.5V3a2 2 0 1 1 4 0v.1a1.7 1.7 0 0 0 1 1.5 1.7 1.7 0 0 0 1.8-.3l.1-.1a2 2 0 1 1 2.8 2.8l-.1.1a1.7 1.7 0 0 0-.3 1.8V9a1.7 1.7 0 0 0 1.5 1H21a2 2 0 1 1 0 4h-.1a1.7 1.7 0 0 0-1.5 1z',
   help:    'M9.1 9a3 3 0 0 1 5.8 1c0 2-3 3-3 3M12 17h.01M21 12a9 9 0 1 1-18 0 9 9 0 0 1 18 0z',
   mic:     'M12 2a3 3 0 0 0-3 3v6a3 3 0 0 0 6 0V5a3 3 0 0 0-3-3zM19 11a7 7 0 0 1-14 0M12 18v3M8 21h8',