refactor: change config to yaml in root

bun.lock

@@ -8,9 +8,9 @@
         "@openrouter/sdk": "^0.12.79",
         "chalk": "^5.6.2",
         "commander": "^15.0.0",
-        "dotenv": "^17.4.2",
         "prettier": "^3.8.3",
         "supermemory": "^4.24.12",
+        "yaml": "^2.9.0",
       },
       "devDependencies": {
         "@types/node": "^25.9.1",
@@ -29,8 +29,6 @@
 
     "commander": ["commander@15.0.0", "", {}, "sha512-z67u4ZhzCL/Tydu1lJARtEZYWbWaN7oYLHbsuzocr6y4N6WZAagG3RQ4FW61V1/0+jImpj293XfrcYnd1qxtPg=="],
 
-    "dotenv": ["dotenv@17.4.2", "", {}, "sha512-nI4U3TottKAcAD9LLud4Cb7b2QztQMUEfHbvhTH09bqXTxnSie8WnjPALV/WMCrJZ6UV/qHJ6L03OqO3LcdYZw=="],
-
     "prettier": ["prettier@3.8.3", "", { "bin": { "prettier": "bin/prettier.cjs" } }, "sha512-7igPTM53cGHMW8xWuVTydi2KO233VFiTNyF5hLJqpilHfmn8C8gPf+PS7dUT64YcXFbiMGZxS9pCSxL/Dxm/Jw=="],
 
     "supermemory": ["supermemory@4.24.12", "", { "bin": { "supermemory": "bin/cli" } }, "sha512-xAFextuqk4JuoW33jJaFGqT1oMppN2IgfWUrV18Fv3qAAZ6M1SR1tb+7EBq8vrEQIx4iY2MQh5p+qnfL6lI8Yw=="],
@@ -39,6 +37,8 @@
 
     "undici-types": ["undici-types@7.24.6", "", {}, "sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg=="],
 
+    "yaml": ["yaml@2.9.0", "", { "bin": { "yaml": "bin.mjs" } }, "sha512-2AvhNX3mb8zd6Zy7INTtSpl1F15HW6Wnqj0srWlkKLcpYl/gMIMJiyuGq2KeI2YFxUPjdlB+3Lc10seMLtL4cA=="],
+
     "zod": ["zod@4.4.3", "", {}, "sha512-ytENFjIJFl2UwYglde2jchW2Hwm4GJFLDiSXWdTrJQBIN9Fcyp7n4DhxJEiWNAJMV1/BqWfW/kkg71UDcHJyTQ=="],
   }
 }