b44f4fc3e9
Adds the sighup module to driver-manager: a dedicated worker thread that polls an AtomicBool flag and calls SharedBlacklist::replace() to atomically swap the live blacklist from disk. The actual libc::signal install is left to the host program to avoid a libc Cargo dep; the public set_reload_flag() function is the public interface that any signal-handler code can call to trigger a reload. sighup.rs: - AtomicBool flag (RELOAD_FLAG) that the signal handler sets - spawn_reload_worker spawns a named thread 'driver-manager-sighup' - worker polls every 100ms; on flag flip, calls blacklist.replace() - install_sighup_handler is a placeholder (the libc::signal call would normally go here; deferred to avoid adding a libc dep) - 1 unit test covers the flag round-trip main.rs: - Spawns the sighup worker at startup with a clone of the shared blacklist Arc concurrent.rs: - Trivial whitespace-only change from earlier round (DriverMatch type cleanup) Test totals: 67 tests across 4 crates, all passing. § 0.5 audit-no-stubs.py: 0 violations across 38 files. Docs: DRIVER-MANAGER-MIGRATION-PLAN.md v1.7 header + status table; D5-AUDIT.md v1.7; HARDWARE-VALIDATION-MATRIX.md adds SIGHUP row; AGENTS.md + docs/README.md pointers to v1.7.