feat: i18n 11 languages + website update + fix #139 #140 #141

i18n:
- Add 9 new locale files (ja/ko/de/es/fr/pt/ru/vi/zh-TW)
- Add multilingual README files for all 11 languages
- Add locale helper, index, and modular translation system
- Add translation generation scripts

Website (docs/index.html):
- Replace 公益AI接口 branding with 晴辰云AI接口
- Remove OpenClaw 独立安装包 promotion block
- Update SEO meta tags (description, keywords, OG, Twitter, JSON-LD)
- Add 11-language README links to footer
- Update 元宝派 link to new URL

Bug fixes:
- fix(cron): delivery format mode:'push' → mode:'announce', remove invalid 'to' field (fixes #141)
- fix(cron): allow single-channel users to select delivery channel
- fix(cron): preserve delivery field in job state for editing
- fix(models): add 'ollama' as recognized API type, prevent overwriting native ollama config (fixes #140)
- fix(models): skip /v1 append for ollama native API baseUrl
- fix(assistant): normalize 'google-generative-ai' consistently, add ollama hints
- fix(version): use CLI path classification for source detection on Windows (fixes #139)
- fix(version): default to 'official' instead of 'chinese' when source unknown
- fix(version): reorder npm global package check based on active CLI

scripts/translations/ja/common.json

@@ -0,0 +1,42 @@
+{
+  "save": "保存",
+  "cancel": "キャンセル",
+  "confirm": "確認",
+  "delete": "削除",
+  "edit": "編集",
+  "add": "追加",
+  "close": "閉じる",
+  "loading": "読み込み中...",
+  "retry": "再試行",
+  "copy": "コピー",
+  "copied": "コピーしました",
+  "search": "検索",
+  "refresh": "更新",
+  "back": "戻る",
+  "submit": "送信",
+  "reset": "リセット",
+  "enabled": "有効",
+  "disabled": "無効",
+  "unknown": "不明",
+  "none": "なし",
+  "yes": "はい",
+  "no": "いいえ",
+  "online": "オンライン",
+  "offline": "オフライン",
+  "running": "実行中",
+  "stopped": "停止",
+  "error": "エラー",
+  "success": "成功",
+  "warning": "警告",
+  "info": "情報",
+  "loadFailed": "読み込み失敗",
+  "saveFailed": "保存失敗",
+  "saveSuccess": "保存しました",
+  "operationFailed": "操作失敗",
+  "operationSuccess": "操作成功",
+  "noData": "データなし",
+  "unit": "個",
+  "survivalRate": "稼働率",
+  "settings": "設定",
+  "update": "更新"
+}