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/fr/assistant.json

@@ -0,0 +1,27 @@
+{
+  "defaultName": "Assistant IA",
+  "welcomeText": "Bonjour ! Je suis l'assistant IA. Comment puis-je vous aider ?",
+  "loading": "Chargement...",
+  "settings": "Paramètres",
+  "settingsTitle": "Paramètres de l'assistant",
+  "settingsSaved": "Paramètres enregistrés",
+  "model": "Modèle",
+  "temperature": "Température",
+  "testSuccess": "Connexion réussie",
+  "testFailed": "Connexion échouée",
+  "testing": "Test en cours...",
+  "testBtn": "Tester la connexion",
+  "send": "Envoyer",
+  "inputPlaceholder": "Décrivez le problème...",
+  "stopped": "Arrêté",
+  "retry": "Réessayer",
+  "copyText": "Copier le texte",
+  "newSession": "Nouvelle session",
+  "deleteSession": "Supprimer la session",
+  "noSessions": "Aucune session",
+  "sessionList": "Liste des sessions",
+  "aiThinking": "Réflexion...",
+  "confirmAllow": "Autoriser l'exécution",
+  "toolExecuting": "Exécution...",
+  "toolDone": "Exécution terminée"
+}