chore(main): release cua-driver-rs 0.20.0

[cua-release-bot]

🤖 I have created a release beep boop

0.20.0 (2026-08-15)

⚠ BREAKING CHANGES

• cua-driver: remove browser approval tokens (#3185)

Features

• add immutable Driver and Lume nightly releases (8cef90b)
• add persistent Driver and Lume release channels (0813659)
• cua-driver: add implicit lifecycle sessions (#3013) (858ef13)
• cua-driver: apply capability manifests across permission profiles (#3015) (3a53e53)
• cua-driver: remove browser approval tokens (#3185) (0d7c011)

Bug Fixes

• cua-driver: align agent guidance with lifecycle sessions (#3041) (dbde09e)
• cua-driver: hide policy-disabled MCP tools (#3132) (1532830)
• cua-driver: preserve direct MCP session ownership (#3079) (d509687)
• cua-driver: preserve named CLI sessions (#3144) (1803e52)
• cua-driver: reject misplaced MCP permission flags (#3085) (a5bc265)
• cua-driver: stage current skill pack on Windows local installs (#3083) (b4bc58a)
• cua-driver: verify foreground focus before input (#3068) (f9192dd)
• cua-driver: write the update-check cache to the canonical home (#3032) (69e5774)

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[cua-release-bot]

🤖 Created releases:

• cua-driver-rs-v0.20.0

🌻