feat: add MiniMax Token Plan provider with hardcoded model list

astrbot/core/provider/manager.py

@@ -363,6 +363,10 @@ def dynamic_import_provider(self, type: str) -> None:
                 )
             case "longcat_chat_completion":
                 from .sources.longcat_source import ProviderLongCat as ProviderLongCat
+            case "minimax_token_plan":
+                from .sources.minimax_token_plan_source import (
+                    ProviderMiniMaxTokenPlan as ProviderMiniMaxTokenPlan,
+                )
             case "zhipu_chat_completion":
                 from .sources.zhipu_source import ProviderZhipu as ProviderZhipu
             case "groq_chat_completion":

astrbot/core/provider/sources/minimax_token_plan_source.py

@@ -0,0 +1,48 @@
+from astrbot.core.provider.sources.anthropic_source import ProviderAnthropic
+
+from ..register import register_provider_adapter
+
+MINIMAX_TOKEN_PLAN_MODELS = [
+    "MiniMax-M2.7",
+    "MiniMax-M2.5",
+    "MiniMax-M2.1",
+    "MiniMax-M2",
+]
+
+
+@register_provider_adapter(
+    "minimax_token_plan",
+    "MiniMax Token Plan 提供商适配器",
+    default_config_tmpl={
+        "key": "",
+        "api_base": "https://api.minimaxi.com/anthropic",
+    },
+    provider_display_name="MiniMax Token Plan",
+)
+class ProviderMiniMaxTokenPlan(ProviderAnthropic):
+    """MiniMax Token Plan provider.
+
+    Token Plan API 不支持 /models 接口，因此 get_models() 返回硬编码的模型列表。
+    这是 Token Plan API 本身的限制，详见 https://github.com/AstrBotDevs/AstrBot/issues/7585
+    """
+
+    def __init__(
+        self,
+        provider_config,
+        provider_settings,
+    ) -> None:
+        # 使用固定的 api_base，不允许用户自定义
+        provider_config["api_base"] = "https://api.minimaxi.com/anthropic"
+        # 强制使用 auth header（Token Plan 要求）
+        provider_config["auth_header"] = True
+
+        super().__init__(
+            provider_config,
+            provider_settings,
+        )
+
+        self.set_model(provider_config.get("model", "MiniMax-M2.7"))
+
+    async def get_models(self) -> list[str]:
+        """Token Plan 不支持动态获取模型列表，返回硬编码的已知模型列表。"""
+        return MINIMAX_TOKEN_PLAN_MODELS.copy()