fix: normalize openai embedding base url and add hint key

Author: exynos967

astrbot/core/config/default.py

@@ -1771,6 +1771,7 @@ class ChatProviderTemplate(TypedDict):
                     "embedding_api_base": {
                         "description": "API Base URL",
                         "type": "string",
+                        "hint": "provider_group.provider.embedding_api_base.hint",
                     },
                     "volcengine_cluster": {
                         "type": "string",

astrbot/core/provider/sources/openai_embedding_source.py

@@ -23,12 +23,16 @@ def __init__(self, provider_config: dict, provider_settings: dict) -> None:
         if proxy:
             logger.info(f"[OpenAI Embedding] 使用代理: {proxy}")
             http_client = httpx.AsyncClient(proxy=proxy)
+        api_base = provider_config.get("embedding_api_base", "").strip()
+        if not api_base:
+            api_base = "https://api.openai.com/v1"
+        else:
+            api_base = api_base.removesuffix("/")
+            if not api_base.endswith("/v1"):
+                api_base = f"{api_base}/v1"
         self.client = AsyncOpenAI(
             api_key=provider_config.get("embedding_api_key"),
-            base_url=provider_config.get(
-                "embedding_api_base",
-                "https://api.openai.com/v1",
-            ),
+            base_url=api_base,
             timeout=int(provider_config.get("timeout", 20)),
             http_client=http_client,
         )