diff --git a/docs/plans/state.json b/docs/plans/state.json
index ae8baa2..4e0dbb8 100644
--- a/docs/plans/state.json
+++ b/docs/plans/state.json
@@ -417,6 +417,17 @@
       ],
       "test_status": "pnpm audit:phase0-baseline:live:refresh:drift:rolling:prune + pnpm audit:phase0-baseline:live:prune + pnpm test:run src/audit/phase0BaselineArtifactRetention.test.ts + pnpm typecheck passing"
     },
+    "phase0-live-baseline-rolling-prune-tag-override-fix": {
+      "status": "completed",
+      "date": "2026-02-27",
+      "updated": "2026-02-27",
+      "summary": "Fixed `pnpm audit:phase0-baseline:live:refresh:drift:rolling:prune` to honor caller-provided `TAG` values (defaulting only when unset), so rolling refresh, drift checks, and prune reports consistently share one externally overridable tag.",
+      "files_modified": [
+        "package.json",
+        "docs/plans/state.json"
+      ],
+      "test_status": "pnpm typecheck passing"
+    },
     "phase0-instrumentation-ticket-checklist": {
       "status": "completed",
       "date": "2026-02-25",
diff --git a/package.json b/package.json
index a2a4223..31bcc46 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "audit:phase0-baseline:live:refresh:drift:rolling": "TAG=${TAG:-$(date -u +%F-%H%M%S)} && node --import tsx/esm scripts/capture-phase0-live-baseline.ts --audit ~/.local/share/flynn/audit.log --source channel --exclude-session-substring probe --tag \"$TAG\" && node --import tsx/esm scripts/capture-phase0-live-baseline.ts --audit ~/.local/share/flynn/audit.log --source gateway --auto-gateway-cancel-window --tag \"$TAG\" && node --import tsx/esm scripts/capture-phase0-live-baseline.ts --audit ~/.local/share/flynn/audit.log --source channel --backend pi_embedded --exclude-session-substring probe --tag \"$TAG\" && node --import tsx/esm scripts/capture-phase0-live-baseline.ts --audit ~/.local/share/flynn/audit.log --source channel --backend native --exclude-session-substring probe --tag \"$TAG\" && node --import tsx/esm scripts/check-phase0-baseline-backend-drift.ts --artifacts-dir docs/plans/artifacts --backend pi_embedded,native --max-age-hours 36 --min-candidate-sampled-events 10 --max-sampled-events-drop-pct 80 --max-run-outcomes-drop-pct 80 --max-completion-rate-drop-pp 35 --max-cancel-rate-increase-pp 25 --max-error-rate-increase-pp 25 --max-cancel-latency-p95-increase-ms 6000 --write-default-artifacts --tag \"$TAG\" --report-tag \"$TAG\"",
     "audit:phase0-baseline:live:prune": "KEEP_PER_FAMILY=${KEEP_PER_FAMILY:-8} && node --import tsx/esm scripts/prune-phase0-baseline-artifacts.ts --artifacts-dir docs/plans/artifacts --keep-per-family \"$KEEP_PER_FAMILY\" --write-default-artifacts",
     "audit:phase0-baseline:live:prune:apply": "KEEP_PER_FAMILY=${KEEP_PER_FAMILY:-8} && node --import tsx/esm scripts/prune-phase0-baseline-artifacts.ts --artifacts-dir docs/plans/artifacts --keep-per-family \"$KEEP_PER_FAMILY\" --apply --write-default-artifacts",
-    "audit:phase0-baseline:live:refresh:drift:rolling:prune": "TAG=$(date -u +%F-%H%M%S) && TAG=\"$TAG\" pnpm audit:phase0-baseline:live:refresh:drift:rolling && KEEP_PER_FAMILY=${KEEP_PER_FAMILY:-8} node --import tsx/esm scripts/prune-phase0-baseline-artifacts.ts --artifacts-dir docs/plans/artifacts --keep-per-family \"$KEEP_PER_FAMILY\" --apply --write-default-artifacts --report-tag \"$TAG\"",
+    "audit:phase0-baseline:live:refresh:drift:rolling:prune": "TAG=${TAG:-$(date -u +%F-%H%M%S)} && TAG=\"$TAG\" pnpm audit:phase0-baseline:live:refresh:drift:rolling && KEEP_PER_FAMILY=${KEEP_PER_FAMILY:-8} node --import tsx/esm scripts/prune-phase0-baseline-artifacts.ts --artifacts-dir docs/plans/artifacts --keep-per-family \"$KEEP_PER_FAMILY\" --apply --write-default-artifacts --report-tag \"$TAG\"",
     "audit:backend-canary:probes": "node --import tsx/esm scripts/run-pi-canary-guard-probes.ts",
     "companion:bundle": "node --import tsx/esm scripts/build-companion-release-bundle.ts",
     "companion:reference-apps": "node --import tsx/esm scripts/export-companion-reference-apps.ts",