Three connected changes that fix kanban notifications in multiplex_profile
gateways and enable event-driven agent collaboration:
1. Session profile propagation
- Add HERMES_SESSION_PROFILE ContextVar (session_context.py)
- Gateway stamps source.profile at dispatch time (run.py)
- _maybe_auto_subscribe reads profile from ContextVar instead of
os.environ which is unset in the gateway main process (kanban_tools.py)
2. Notifier profile-aware routing (kanban_watchers.py)
- Adapter selection: prefer _profile_adapters[sub.notifier_profile]
so each profile's bot delivers its own task notifications
- Relax profile skip-filter: process cross-profile subscriptions when
the gateway has an adapter for the owning profile
- Extend TERMINAL_KINDS with status/archived/unblocked
3. Creator agent wakeup on terminal events (kanban_watchers.py)
- After delivering completed/blocked/gave_up/crashed/timed_out
notifications, inject a synthetic MessageEvent into the creator's
session via adapter.handle_message to trigger their agent loop
- SessionSource built from subscription metadata — no session_store
lookup needed
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