feat: pass toolCall details with tool events (fixes #100)

[dkundel-openai]

Summary

• extend lifecycle tool start/end events with details param
• include tool call info when emitting tool events
• update realtime session events
• adjust unit tests for new event args

Fixes #100

Testing

• pnpm build
• pnpm test
• pnpm lint

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https://chatgpt.com/codex/tasks/task_i_684c588a4638833183ce93f705002dbe

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