assist v0.205
Unified web UI, assist modes, global deny
The two separate web UIs — sessions dashboard and backlog view — are now one MUI app with shared navigation. Having them as siblings always felt wrong given they read from the same project state, and merging them opens the door to cross-linking (e.g. jumping from a backlog item to the session that worked on it). The sessions tab also got mode buttons for picking between assist behaviours directly from the UI, and the prompt input now stays visible whether a session is running or idle instead of appearing and vanishing.
On the CLI, I added roam activity commands targeting a Codex flow, and global deny config support so deny rules can live in a user-level config and apply across every project instead of being repeated in each assist.yml.