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Week 28 · FY2026
Signals/DQ-0107Data issue

Mobile-app clickstream feed below coverage contract

Mobile-app clickstream landed 8.2% light on Tue–Wed (Jun 30–Jul 1) vs a 95% contract floor. Apparent traffic moves are artifacts, quarantined before they could look like signals; feed recovered Thu Jul 2.

Summarized clickstream · mobile-app feed · W28

Quarantined: routed to the data owner, never entered the attention queue

Affected days are excluded from envelope training. Routed to EDA as a data problem; it never entered the attention queue. Backfill ETA Thursday.

Actual

W28 · Feed coverage

Expected range

median 98%

Deviation

z -3.2

Impact

not priced

01

What happened

Daily coverage vs 95% contract floor · mobile-app feed

99.7%
Mon
91.8%
Tue
91.8%
Wed
99.4%
Thu
99.8%
Fri
99.6%
Sat
99.7%
Sun

Dashed line = 95% contract floor · Wed–Fri breach → quarantine · Mobile-app feed 8.2% light Jun 30–Jul 1; recovered Thu Jul 2. Affected partitions stay excluded from envelope training until backfill is verified.

Apparent moves, struck as artifacts

Sessions

−14%

artifact of missing rows

Conversion rate

+1.9pp

denominator artifact · struck

Impact scope contained: marketing calendar, orders and WBR are unaffected; orders reconcile to WBR at 0.00% ($48.2M = $48.2M).

02

What explains it

Strongest supported

Mobile-app collector outage upstream of summarization

Mobile-app rows under-delivered 8.2% on Tue Jun 30–Wed Jul 1 (coverage 91.8% vs 95% floor · volume z −3.2 vs expected ingest); the drop aligns to an app-collector deploy window. Recovered Thu Jul 2; affected partitions stay excluded from training.