Rewatch: improve watch output and add clear-screen (#8373) #9988

Job	Run time
test-devcontainer	17m 32s
build-compiler (ubuntu-24.04, ocaml-variants.5.0.0+options,ocaml-option-static, linux-x64, x86_64...	6m 35s
build-compiler (macos-15-intel, 5.3.0, true, darwin-x64, x86_64-apple-darwin, release)	20m 1s
build-compiler (macos-15, 5.3.0, true, darwin-arm64, aarch64-apple-darwin, release)	8m 49s
build-compiler (ubuntu-24.04, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, linux...	7m 47s
build-compiler (windows-2025, 5.3.0, true, win32-x64, x86_64-pc-windows-gnu, .exe, release)	14m 47s
build-compiler (ubuntu-24.04-arm, ocaml-variants.5.3.0+options,ocaml-option-static, true, true, t...	7m 38s
api-docs	2m 40s
pkg-pr-new	50s
test-integration-rewatch (ubuntu-24.04)	4m 0s
test-integration-rewatch (macos-15)	3m 50s
test-integration-rewatch (macos-15-intel)	7m 19s
test-installation-pnpm (macos-15-intel)	32s
test-integration-rewatch (ubuntu-24.04-arm)	3m 5s
test-integration-rewatch (windows-2025)	7m 22s
test-installation-pnpm (macos-15)	15s
test-installation-npm (windows-2025)	1m 19s
test-installation-npm (ubuntu-24.04)	13s
test-installation-pnpm (ubuntu-24.04-arm)	22s
test-installation-npm (macos-15-intel)	25s
test-installation-npm (ubuntu-24.04-arm)	17s
test-installation-npm (macos-15)	16s
test-installation-pnpm (ubuntu-24.04)	19s
test-installation-pnpm (windows-2025)	49s
publish	0s
	1h 57m 2s

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