v2.17.0 — Squad Knowledge Persistence & Bugfixes

What's New

🧠 Squad Knowledge Persistence

• Per-agent knowledge stored in .squad/knowledge/<role>.md — compounds across sessions
• Shared decisions log in .squad/decisions.md — all agents read before working
• Session logs in .squad/log/ — full audit trail
• CLI: copex squad knowledge to view, copex squad knowledge reset to clear

🐛 Bug Fixes

• streaming.py: Fixed StreamingMetrics._start_time never being set
• tools.py: Fixed ToolRegistry parallel wait flow
• session_pool.py: Locked release state updates properly
• fleet.py: Preserve completed results in fail-fast batches

🔧 Robustness

• Added encoding='utf-8' to all text open() calls
• Hardened CopilotCLI temp config cleanup
• Added JSONDecodeError handling in fleet_store and checkpoint
• Replaced assertions with proper checks in cli_client
• Improved error logging in ralph iteration loop
• DRY'd up duplicate recovery blocks in client.py