fix(mcp): allow common Windows env vars by default

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/features/claude-code-mcp-loader/configure-allowed-env-vars.ts

@@ -5,6 +5,8 @@ const BUILTIN_ALLOWED_MCP_ENV_VARS = [
   "SHELL",
   "TERM",
   "TMPDIR",
+  "TMP",
+  "TEMP",
   "PWD",
   "OLDPWD",
   "LANG",
@@ -17,6 +19,9 @@ const BUILTIN_ALLOWED_MCP_ENV_VARS = [
   "XDG_CACHE_HOME",
   "HOSTNAME",
   "LOGNAME",
+  "USERPROFILE",
+  "APPDATA",
+  "LOCALAPPDATA",
 ]
 const SENSITIVE_MCP_ENV_VAR_PATTERN = /KEY|TOKEN|SECRET|PASSWORD|AUTH|CREDENTIAL/i