diff --git a/workplans/IR-WP-0004-evidence-coverage-and-field-calibration.md b/workplans/IR-WP-0004-evidence-coverage-and-field-calibration.md
index ec1d53b..e30d309 100644
--- a/workplans/IR-WP-0004-evidence-coverage-and-field-calibration.md
+++ b/workplans/IR-WP-0004-evidence-coverage-and-field-calibration.md
@@ -5,6 +5,7 @@ title: "Expand verified evidence and calibrate against field outcomes"
 domain: infotech
 repo: intelligence-radar
 status: active
+flavor: implementation
 owner: codex
 topic_slug: custodian
 created: "2026-09-13"