v0.5.0

Changelog

• cb5e49e feat(examples): pin hotpotqa benchmark splits with an id manifest
• 4b2a3bc feat(evolve): add GEPA-style pareto search strategy, validated on HotpotQA
• 6311ec7 feat(team): record team runs as trajectories
• 9c79249 feat(runtime): track prompt cache hit tokens
• ea3591c feat(examples): optimize code review team workflow
• 2ae02e7 docs: align agent instructions for Claude
• 93dfbfa Merge pull request #1 from cosmtrek/codex/agent-team-lead-worker
• 4c7a933 feat(team): add lead-worker agent teams
• 042cf58 feat(runtime): add token-budgeted context compaction