cli: Upgrade opentui to 0.1.70 and document bracketed paste mode [cod… #2135

Job	Run time
prepare-and-commit-staging	54s
build-staging-binaries / build-binaries (macos-14, darwin-arm64, bun-darwin-arm64, darwin, arm64)	1m 35s
build-staging-binaries / build-binaries (ubuntu-latest, linux-x64, bun-linux-x64, linux, x64)	1m 14s
build-staging-binaries / build-windows-binary	2m 34s
build-staging-binaries / build-binaries (ubuntu-latest, linux-arm64, bun-linux-arm64, linux, arm64, false)	1m 2s
build-staging-binaries / build-binaries (macos-15-intel, darwin-x64, bun-darwin-x64, darwin, x64)	3m 13s
create-staging-release	13s
publish-staging-npm	10s
	10m 55s

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