Tool: prune_thoughts

Purpose

Reduce frontier size while preserving high-value and diverse branches.

Input

• deliberation_id
• strategy: beam | threshold | hybrid
• beam_width: number
• diversity_floor: number (0-1)

Output

• kept_node_ids
• pruned_node_ids
• prune_report

Behavior

• Prevents premature convergence via diversity floor.
• Produces auditable prune rationale.

Errors

• Invalid beam/diversity settings