nx_vizsla_ics_gate.nx

nx_vizsla_ics_gate.nx -- VIZSLA R-CAL.4 gate: RFC 5545 .ics EXPORT is gate-proven against construction-known fixtures. GENUINE COMPOSITION: forks the blessed calendar organ to LOAD the store, then the ics organ to EXPORT it -- the gate never fabricates store bytes itself. fixture (loaded via nx_vizsla_calendar, seg-6201): EVENT launch 2026-06-20 10:00 +90 title "pizza,night;launch" (TEXT-escape exercise) EVENT ride 2026-07-03 08:00 +120 title 86-char token (75-octet folding exercise) EVENT far 2026-09-01 08:00 +60 out-of-window (exclusion exercise) RRULE standup 2026-06-01 WEEKLY/2 x6 -> native RRULE passthrough RRULE bday 2024-02-29 YEARLY/1 x50 -> intersects window via last-occurrence (2073) window 2026-06-01..2026-07-31 => events=2 rules=2 => 4 VEVENTs. Rows: 1 export-ok exit 0 + VIZSLA-ICS-VERDICT events=2 rules=2 2 vcalendar-frame BEGIN:VCALENDAR + VERSION:2.0 + PRODID + END:VCALENDAR 3 crlf-strict every LF preceded by CR (RFC5545 line ends), >=10 lines 4 vevent-count exactly 4 BEGIN:VEVENT 5 dtstart-dtend launch DTSTART:20260620T100000 + DTEND:20260620T113000 6 uid-stable UID:launch-20260620@nishi.vizsla 7 rrule-weekly RRULE:FREQ=WEEKLY;INTERVAL=2;COUNT=6 8 rrule-yearly RRULE:FREQ=YEARLY;INTERVAL=1;COUNT=50 9 summary-escaping SUMMARY:pizza\,night\;launch (backslash-escaped , and ;) 10 fold-75 no physical line >75 octets + a CRLF+space continuation + folded=1 11 window-exclusion UID:far- ABSENT (out-of-window event not exported) 12 export-determinism two exports byte-identical (no clocks in the artifact) 13 loud-fail-bad-date export from=2026-13-99 => exit 1 [negative control] 14 loud-fail-unwritable export into a nonexistent dir => exit 1 [negative control] Evidence: VIZSLA-ICS-GATE -> stdout + knowledge/status/vizsla_gate.log; exit 0 iff 14/14. spec: knowledge/research/2026-06-22-vizsla-sclass-roadmap.md license_tier: ORIGINAL