ai-labeling: 全貌对齐 + 模型统一切 mimo-v2.5-pro

- CLAUDE.md 从打标沙盒文档升级为四层架构全局指导文件
- 移除 MiniMax M3 配置，生产模型统一为 mimo-v2.5-pro
- 更新 run_labeling.py / summarize.py / README.md / .env.example

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

ai-labeling/scripts/run_labeling.py

@@ -1,8 +1,8 @@
 """
 run_labeling.py - 单期或批量 AI 打标脚本
 用法:
-  单期: python run_labeling.py --ep 4 --model m3
-  批量: python run_labeling.py --all --model m3
+  单期: python run_labeling.py --ep 4 --model mimo-v2.5-pro
+  批量: python run_labeling.py --all --model mimo-v2.5-pro
 """
 
 import sys
@@ -27,21 +27,16 @@ EXPERIMENTS_DIR = BASE_DIR / "experiments"
 GROUND_TRUTH = BASE_DIR / "benchmark-set" / "ground-truth.json"
 
 MODEL_CONFIG = {
-    "m3": {
-        "base_url": "https://api.minimaxi.com/v1",
-        "model_name": "MiniMax-M3",
-        "api_key_env": "MINIMAX_API_KEY",
+    "mimo-v2.5-pro": {
+        "base_url": "https://api.xiaomimimo.com/v1",
+        "model_name": "mimo-v2.5-pro",
+        "api_key_env": "MIMO_API_KEY",
     },
     "deepseek-v4-pro": {
         "base_url": "https://api.deepseek.com",
         "model_name": "deepseek-v4-pro",
         "api_key_env": "DEEPSEEK_API_KEY",
     },
-    "mimo-v2.5-pro": {
-        "base_url": "https://api.xiaomimimo.com/v1",
-        "model_name": "mimo-v2.5-pro",
-        "api_key_env": "MIMO_API_KEY",
-    },
 }
 
 ALL_EPISODES = [3, 4, 5, 7, 10, 11, 12, 13, 14, 15]
@@ -133,7 +128,7 @@ def main():
     parser = argparse.ArgumentParser(description="AI 打标脚本")
     parser.add_argument("--ep", type=int, help="单期编号")
     parser.add_argument("--all", action="store_true", help="跑全部")
-    parser.add_argument("--model", default="m3", help="模型键名")
+    parser.add_argument("--model", default="mimo-v2.5-pro", help="模型键名")
     args = parser.parse_args()
     if args.all:
         for ep in ALL_EPISODES: