Fixed model selection and the install script now properly works when not sudo

README.md

@@ -120,6 +120,10 @@ If the selected model has a context length:
 If no context length is available:
 - `CLAUDE_CODE_DISABLE_1M_CONTEXT=1`
 
+### Environment Variable Propagation
+
+**Important:** The environment variables are written to a temporary file and sourced by each tmux pane at startup. This ensures Claude Code in Pane 0 receives the correct model settings. Do not delete the temporary environment file while the tmux session is running.
+
 ## Using the Businessman Skill
 
 The skill is automatically initialized when you run `businessman`. To use it manually after the session is running: