v0.6.0

Added

• Cursor desktop harness for the IDE app's state.vscdb sessions.
• Documentation of every harness's on-disk transcript format.

Changed

• Stores and the CLI are hardened against hostile session files.
• The Claude Code summary line is anchored to a real leaf.
• npm publishing uses trusted publishing and is triggered by version tags
  again.

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• crates.io: https://crates.io/crates/txcript/0.6.0
• npm: https://www.npmjs.com/package/txcript/v/0.6.0
• docs.rs: https://docs.rs/txcript/0.6.0