efc53de531
- Re-add ATHENA_PROMPT_METADATA with tight triggers and avoidWhen guardrails - Update switch_agent tool description with permanent handoff guardrail - Make buildDelegationTable mode-aware: switch_agent for primary, task() for subagent - Pass agent mode through general-agents to AvailableAgent interface - Improve primary agent error messages in subagent-resolver with alternatives - Add council-first bias to Athena interactive prompt - Update athena-junior trigger text for clearer task() invocation guidance - Add tests for ATHENA_PROMPT_METADATA shape, triggers, useWhen, avoidWhen