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/de/dashboard.json

@@ -0,0 +1,32 @@
+{
+  "title": "Dashboard",
+  "desc": "OpenClaw-Statusübersicht",
+  "gateway": "Gateway",
+  "notStarted": "Nicht gestartet",
+  "versionLabel": "Version",
+  "agentFleet": "Agent-Flotte",
+  "defaultAgent": "Standard",
+  "modelPool": "Modell-Pool",
+  "baseServices": "Basisdienste",
+  "controlUI": "Control UI",
+  "restartGw": "Gateway neustarten",
+  "checkUpdate": "Updates prüfen",
+  "createBackup": "Backup erstellen",
+  "recentLogs": "Aktuelle Protokolle",
+  "cliPath": "CLI-Pfad",
+  "retry": "Wiederholen",
+  "notSet": "Nicht gesetzt",
+  "port": "Port",
+  "startBtn": "Starten",
+  "stopBtn": "Stoppen",
+  "restartBtn": "Neustarten",
+  "primaryModel": "Primäres Modell",
+  "noLogs": "Keine Protokolle",
+  "starting": "Wird gestartet...",
+  "stopping": "Wird gestoppt...",
+  "restarting": "Wird neugestartet...",
+  "checking": "Wird geprüft...",
+  "upToDate": "Aktuell",
+  "backingUp": "Backup wird erstellt...",
+  "backupFail": "Backup fehlgeschlagen"
+}