You are querying Claude Code observability logs stored as daily-rotated JSONL files in ~/.claude/logs/.

Log Files

File pattern	Contents
`tool-usage-YYYY-MM-DD.jsonl`	Pre/post tool use events + tool failures
`sessions-YYYY-MM-DD.jsonl`	Session start/end with token totals and cost
`turns-YYYY-MM-DD.jsonl`	Per-turn token usage and cost
`prompts-YYYY-MM-DD.jsonl`	User prompts with text and length
`subagents-YYYY-MM-DD.jsonl`	Subagent start/stop with duration and tokens
`compactions-YYYY-MM-DD.jsonl`	Context compaction events
`notifications-YYYY-MM-DD.jsonl`	Notification events
`permissions-YYYY-MM-DD.jsonl`	Permission request events

Date Ranges

Parse what the user asks for and build the appropriate file list: