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/setup.json

@@ -0,0 +1,23 @@
+{
+  "title": "Ersteinrichtung",
+  "desc": "OpenClaw installieren und konfigurieren",
+  "headerTitle": "Willkommen bei ClawPanel",
+  "recheck": "Erneut prüfen",
+  "stepNode": "Node.js-Umgebung",
+  "installed": "Installiert",
+  "downloadNode": "Node.js herunterladen",
+  "stepGit": "Git",
+  "stepConfig": "Konfigurationsdatei",
+  "saveBtn": "Speichern",
+  "resetDefaultBtn": "Standard wiederherstellen",
+  "aiAssistant": "KI-Assistent",
+  "openAiAssistant": "KI-Assistent öffnen",
+  "nextStepsTitle": "Nächste Schritte",
+  "configModels": "Modelle konfigurieren",
+  "gatewaySetup": "Gateway konfigurieren",
+  "messageChannels": "Kanäle",
+  "enterPanel": "Panel betreten",
+  "installBtn": "Schnellinstallation",
+  "installOpenclaw": "OpenClaw installieren",
+  "installComplete": "Installation abgeschlossen"
+}