* fix(dashboard): 强化 API Key 复制临时节点清理逻辑
* fix(embedding): 自动检测改为探测 OpenAI embedding 最大可用维度
* fix: normalize openai embedding base url and add hint key
* i18n: add embedding_api_base hint translations
* i18n: localize provider embedding/proxy metadata hints
* fix: show provider-specific embedding API Base URL hint as field subtitle
* fix(embedding): cap OpenAI detect_dim probes with early short-circuit
* fix(dashboard): return generic error on provider adapter import failure
* 回退检测逻辑