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feat!: rename Hawk to Rho; add Tau-style TUI and feature parity #1402

Job	Run time
format	34s
deadcode	45s
module hygiene	2m 40s
markdown	11s
workspace and module parity	23s
vet	1m 48s
duplication	15s
public module graph	2m 57s
secrets	13s
test (race + coverage)	4m 22s
smoke	1m 40s
lint	3m 23s
api reference	15s
security	4m 24s
fuzz (60s)	0s
build (${{ matrix.goos }}/${{ matrix.goarch }})	-1s
	23m 49s