Context7 should mirror `websearch` by only sending auth when `CONTEXT7_API_KEY` is set. Change: set bearer auth in `headers` using `CONTEXT7_API_KEY` if said environment variable is set, otherwise leave `headers` to `undefined`.
Context7 should mirror `websearch` by only sending auth when `CONTEXT7_API_KEY` is set. Change: set bearer auth in `headers` using `CONTEXT7_API_KEY` if said environment variable is set, otherwise leave `headers` to `undefined`.