sol-config.yaml:
- added [services.kratos] with admin URL
- added research config (model, max_iterations, max_agents, max_depth)
- tool iterations bumped to 250
- updated system prompt: research mode guidance, DM search rules,
run_script docs, room overlap explanation, silence mechanic
- time context uses {time_block} with midnight-based boundaries
- evaluator returns response_type (message/thread/react/ignore)