Ready to merge: text truncate tool + duration case-fold fix

[cursor]

Branch ready for PR

https://github.com/Francis1998/multi-bot-agentic/compare/main...cursor/upkeep-c85d-truncate-tool?quick_pull=1

Title: feat(tools): text truncate tool + duration case-fold fix

Also designated branch tip (when restored): cursor/francis1998-repository-upkeep-c85d

Changes

• TextTruncateTool (truncate)
• Duration tool case-fold so pt1h30m works
• Stack: GPT-5.5 / Claude Sonnet 4.6 / Gemini 2.5 / Kimi K2

Please open PR from compare link; merge after CI green.