fix: use correct MiniMax endpoint, model name, and add .venv to gitignore

skillopt/model/common.py

@@ -25,7 +25,7 @@ _BACKEND_DEFAULT_MODELS = {
     "claude_chat": "claude-sonnet-4-6",
     "claude_code_exec": "claude-sonnet-4-6",
     "qwen_chat": "Qwen/Qwen3.5-4B",
-    "minimax_chat": "MiniMax/MiniMax-Text-01",
+    "minimax_chat": "MiniMax-M2.7",
 }
 
 _BACKEND_ALIASES = {

skillopt/model/minimax_backend.py

@@ -17,7 +17,7 @@ from skillopt.model.common import (
     default_model_for_backend,
 )
 
-BASE_URL = os.environ.get("MINIMAX_BASE_URL", "https://api.minimax.chat/v1")
+BASE_URL = os.environ.get("MINIMAX_BASE_URL", "https://api.minimax.io/v1")
 API_KEY = os.environ.get("MINIMAX_API_KEY", "")
 TIMEOUT_SECONDS = float(os.environ.get("MINIMAX_TIMEOUT_SECONDS", "300") or 300)
 MAX_TOKENS = int(os.environ.get("MINIMAX_MAX_TOKENS", "8000") or 8000)