feat(keyboard): add clipboard AI skills, hint keywords, and voice session fixes

Idle chips show entities with category icons; a fresh copy surfaces Reply/Summarize/Translate; abort/cancel/empty-tap no longer leave the mic stuck.

docs/index.html

@@ -68,7 +68,7 @@
         "image": "https://hkgood.github.io/OSGKeyboard/assets/app-icon.png",
         "screenshot": "https://hkgood.github.io/OSGKeyboard/assets/hero-devices.png",
         "description": "Source-available voice input for iPhone, iPad, and Mac. On-device speech recognition by default, BYOK AI polish, personal dictionary, and Mac global hotkey dictation.",
-        "softwareVersion": "1.7.0",
+        "softwareVersion": "1.7.5",
         "isAccessibleForFree": true,
         "offers": {
           "@type": "Offer",
@@ -1280,7 +1280,7 @@
 
   <footer>
     <div class="wrap footer-inner">
-      <span data-i18n="footer.copy">© OSGKeyboard · v1.7.0 · 源码可见（非开源）</span>
+      <span data-i18n="footer.copy">© OSGKeyboard · v1.7.5 · 源码可见（非开源）</span>
       <span class="footer-links">
         <a href="#download" data-i18n="footer.download">Download</a>
         <a href="#start" data-i18n="footer.install">Install</a>
@@ -1403,7 +1403,7 @@
         "download.subtitle": "Get iPhone / iPad from the App Store. The Mac DMG below is the signed and notarized historical version 1.1.",
         "download.install": "Installation steps",
         "download.source": "GitHub source",
-        "footer.copy": "© OSGKeyboard · v1.7.0 · source available (not open source)",
+        "footer.copy": "© OSGKeyboard · v1.7.5 · source available (not open source)",
         "footer.download": "Download",
         "footer.install": "Setup",
         "footer.compare": "Compare",
@@ -1520,7 +1520,7 @@
         "download.subtitle": "iPhone / iPad 从 App Store 安装；下方 Mac DMG 为已签名并公证的历史版本 1.1。",
         "download.install": "查看安装步骤",
         "download.source": "GitHub 源码",
-        "footer.copy": "© OSGKeyboard · v1.7.0 · 源码可见（非开源）",
+        "footer.copy": "© OSGKeyboard · v1.7.5 · 源码可见（非开源）",
         "footer.download": "下载",
         "footer.install": "安装",
         "footer.compare": "对比",