feat: upgrade MiniMax default model to M2.7

- Add MiniMax-M2.7 and MiniMax-M2.7-highspeed to model list
- Set MiniMax-M2.7 as default model
- Keep all previous models as alternatives
- Update related tests

.env.example

@@ -6,11 +6,11 @@ LLM_BASE_URL=https://dashscope.aliyuncs.com/compatible-mode/v1
 LLM_MODEL_NAME=qwen-plus
 
 # ===== 使用 MiniMax 模型（可选）=====
-# MiniMax M2.5: 高性能、高性价比，支持 204,800 tokens 上下文
+# MiniMax M2.7: 最新旗舰模型，增强推理与编码能力
 # 获取 API Key: https://platform.minimax.io/
 # LLM_API_KEY=your_minimax_api_key_here
 # LLM_BASE_URL=https://api.minimax.io/v1
-# LLM_MODEL_NAME=MiniMax-M2.5
+# LLM_MODEL_NAME=MiniMax-M2.7
 # 国内用户可使用: LLM_BASE_URL=https://api.minimaxi.com/v1
 
 # ===== ZEP记忆图谱配置 =====

README-EN.md

@@ -135,11 +135,13 @@ ZEP_API_KEY=your_zep_api_key
 ```env
 LLM_API_KEY=your_minimax_api_key
 LLM_BASE_URL=https://api.minimax.io/v1
-LLM_MODEL_NAME=MiniMax-M2.5
+LLM_MODEL_NAME=MiniMax-M2.7
 ```
 
 | Model | Description |
 |-------|-------------|
+| `MiniMax-M2.7` | Latest flagship model with enhanced reasoning and coding |
+| `MiniMax-M2.7-highspeed` | High-speed version of M2.7 for low-latency scenarios |
 | `MiniMax-M2.5` | Flagship model, 204K context window |
 | `MiniMax-M2.5-highspeed` | Same performance, faster and more agile |
 

README.md

@@ -135,11 +135,13 @@ ZEP_API_KEY=your_zep_api_key
 ```env
 LLM_API_KEY=your_minimax_api_key
 LLM_BASE_URL=https://api.minimax.io/v1
-LLM_MODEL_NAME=MiniMax-M2.5
+LLM_MODEL_NAME=MiniMax-M2.7
 ```
 
 | 模型 | 说明 |
 |------|------|
+| `MiniMax-M2.7` | 最新旗舰模型，增强推理与编码能力 |
+| `MiniMax-M2.7-highspeed` | M2.7 高速版，低延迟场景适用 |
 | `MiniMax-M2.5` | 旗舰模型，204K 上下文窗口 |
 | `MiniMax-M2.5-highspeed` | 同等性能，更快更敏捷 |
 

backend/tests/test_minimax_compat.py

@@ -84,6 +84,12 @@ class TestIsMinimax:
     def test_minimax_highspeed(self):
         assert _is_minimax("MiniMax-M2.5-highspeed", "https://api.minimax.io/v1") is True
 
+    def test_minimax_m27(self):
+        assert _is_minimax("MiniMax-M2.7", "https://api.minimax.io/v1") is True
+
+    def test_minimax_m27_highspeed(self):
+        assert _is_minimax("MiniMax-M2.7-highspeed", "https://api.minimax.io/v1") is True
+
 
 class TestClampTemperature:
     def test_zero_temperature_minimax(self):
@@ -106,6 +112,14 @@ class TestClampTemperature:
         result = _clamp_temperature(1.0, "MiniMax-M2.5", "https://api.minimax.io/v1")
         assert result == 1.0
 
+    def test_zero_temperature_minimax_m27(self):
+        result = _clamp_temperature(0.0, "MiniMax-M2.7", "https://api.minimax.io/v1")
+        assert result == 0.01
+
+    def test_valid_temperature_minimax_m27(self):
+        result = _clamp_temperature(0.7, "MiniMax-M2.7", "https://api.minimax.io/v1")
+        assert result == 0.7
+
 
 class TestInjectJsonInstruction:
     def test_inject_to_existing_system_message(self):