When running `gt crew at <name>` from inside the target session, we exec Claude directly. Previously this meant we couldn't send `gt prime` afterward. Now we pass "gt prime" as the initial prompt argument to the Claude CLI, so Claude loads context immediately upon startup. Closes gt-qivm 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>