Move Research Goal entry into the chat composer: the + menu now switches the
normal input into goal mode, sends create the session goal directly, and the
active goal stays above the input as an inline chip with expandable criteria
and evidence details.
Stabilize the local dev launcher used for browser smoke tests by wiring custom
backend ports into VITE_API_URL, launching long-lived process groups, cleaning
up child processes reliably, and reporting actual frontend/backend status.
Haozhe Wu
8b2273c6de