feat(spec)!: an agent's memory contract states exactly what the runtime honours — maxEntries and reflectionInterval are required once long-term memory is enabled, longTerm.store is retired, and the block is live

feat(spec)!: an agent's memory contract states exactly what the runtime honours — maxEntries and reflectionInterval are required once long-term memory is enabled, longTerm.store is retired, and the block is live #6075