onboarding-e2e

Live end-to-end test of BearDrive's agent-first onboarding: run the real paste-prompt flow in a fresh headless Claude session (and optionally a full role-played user conversation) against a seeded local hub, asserting the scope hard-gate and hooks-via-init behaviors, and report transcripts plus doc-vs-reality findings. Self-bootstrapping — no inputs needed. Use when INSTALL_FOR_AGENTS.md, the CLI init/login/hooks…