nx_trajscan_beat.nx

nx_trajscan_beat.nx -- no-arg BEAT for the scheduler (quality-ruler R3 standing gauge, 2026-07-29): scan the live actlog via nx_trajscan (composed through tr_run_capture -- zero detector logic duplicated; the 7/7-gated organ stays the ONE definition) and APPEND the one-line envelope to the trend evidence log. A beat with no evidence line is a claim -- this one writes its line every run, including on failure (BEAT-FAIL lines are evidence too). Scheduler contract: the knowledge/store/clockjobs- plane (the ONE tickless clock; the sched/ registry was retired 2026-08-03, debt 1785792856) fork+execs the elf with NO args; argv[1]=journal argv[2]=trendfile override the defaults for testing. trend line: <epoch>\t<envelope-json-or-BEAT-FAIL>\n (O_APPEND, conflict-free) license_tier: ORIGINAL No hw writes (Rule 26). expect_exit: 0