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- FIX INFO page (manual p17-20): reference navaid + crossing radial + distance → computes a fix waypoint (great-circle dest point) and inserts it into the plan. - Flight-plan discontinuities (p25-26): coordinate-less / VECTORS legs render as "─ DISCONTINUITY ─" in LEGS; insert a waypoint to stitch, or LSK to clear it. Distance/track calc now skips disco legs (no NaN). - MOD/ACT + EXEC light: edits arm the EXEC key (glows) and flip the page title to MOD…; EXEC commits/exports and clears it, like the real CDU. - VNAV CLB/DES now take two speed/alt restrictions each (DEL clears the 2nd), per the manual. - Page keys: added FIX; row relaid to 4×2 (FPLN/LEGS/DEP-ARR/DIR-INTC · FIX/VNAV/PROG/MENU). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>