PASS J1a first open skips the torn line and logs it
  J1 file after append: "{\"at\":\"x\",\"kind\":\"dm\",\"dec{\"at\":\"y\",\"kind\":\"dm\",\"decision\":\"d2\",\"outcome\":\"confi"
FAIL J1b restart after one more send opens the journal (got exit 3: notify journal line 2 is malformed: /home/jwoltje/filbert-scratch/r39/probe-jkXow7/j1/sent.jsonl)
  J2 dir mode 755; open accepted
  J3 symlinked journal: accepted
  J4 loose-typed confirmed lines: accepted
PASS D1 digest nonce is dg2026-10-08 for every business
PASS D2 digest/DM length sweep (427 inboxes), longest 1997
PASS D3 zoned 08:00 in CDT and CST; 2026-11-01 13:30Z is 07 CST
PASS D4 digest edge: before 0, after 1
FAIL D5 TypeError from send: failed 1, outcomes unknown

5 PASS, 2 FAIL
