v0.4.1 — bridge stability HOTFIX
Bridge stability HOTFIX + latest main.
- Guard stale active-turn completion: a late old-turn send no longer clears a replaced active turn (was swallowing follow-up user turns).
- Fix SessionIdentity reload storm: transcript growth is no longer misjudged as a session change, preventing reasoning-mirror loss / state corruption.
- Session-level AskUserQuestion guard: bridge-owned sessions block terminal UI tools regardless of turn envelope shape.
- Latest main: slash command / card improvements, docs.