Patch Changes
- 5fec5f1: Replace the abrupt
ANTHROPIC_API_KEY is requiredfatal error inagents quickstartandagents start-builtinwith a friendly interactive prompt that explains how the key is used (it never leaves the local machine) and lets the user choose between setting up.envmanually or pasting the key once to have the CLI write.envfor them. Non-interactive runs still fail fast with the original error.