Adds 'focused' to mood enum and 'greeting' to situation enum in
dialogue-pool.schema.json. Both values are used by Sprint 7-8
dialogue content but were not added to the schema at the time.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
situation, topic, and mood fields changed from single string to
array type to match D-035 specification (list<enum>). access and
trust were already correct as arrays.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>