diff --git a/docs/PAYMENT_E2E_LIVE_REPORT.md b/docs/PAYMENT_E2E_LIVE_REPORT.md
new file mode 100644
index 000000000..d0f3cc427
--- /dev/null
+++ b/docs/PAYMENT_E2E_LIVE_REPORT.md
@@ -0,0 +1,125 @@
+# Payment E2E live transaction — report
+
+> **Date** : `<YYYY-MM-DD>`
+> **Operator** : `<name>`
+> **Environment** : staging (Stripe + Hyperswitch sandbox) / prod (Stripe + Hyperswitch live mode)
+> **Outcome** : PASS / FAIL / PARTIAL — _to fill at session end_
+> **Session log** : `docs/PAYMENT_E2E_LIVE_REPORT.md.session-<TS>.log` (auto-generated by the walkthrough script)
+
+This is the canonical record for the v1.0.9 W6 Day 27 real-money payment test. The acceptance gate before the v2.0.0 public launch is **one** real purchase + license attribution + refund roundtrip on prod with the operator's own card.
+
+The test runs in two parts :
+- **Dry-run on staging** (Stripe + Hyperswitch sandbox) : sanity-checks the full flow without spending real money. ≥ 1 dry-run required before the live run.
+- **Live run on prod** (Stripe + Hyperswitch live, real card) : the bar.
+
+## Pre-flight
+
+Run before either pass :
+
+```bash
+STAGING_URL=https://staging.veza.fr \
+OPERATOR_EMAIL=ops-test@veza.music \
+bash scripts/payment-e2e-preflight.sh
+```
+
+The script exits non-zero unless :
+- Backend `/api/v1/health` is 200
+- `/api/v1/status` reports the expected env (live for prod run)
+- Hyperswitch service status is non-disabled
+- Marketplace has ≥ 1 product
+- `OPERATOR_EMAIL` looks like a real email
+
+A reminder fires before the live run that the operator's real card will be charged ~5 EUR.
+
+## Walkthrough
+
+```bash
+STAGING_URL=https://staging.veza.fr \
+OPERATOR_EMAIL=ops-test@veza.music \
+OPERATOR_PASSWORD=<...> \
+bash scripts/payment-e2e-walkthrough.sh
+```
+
+The script tee's every API call + response into a session log.
+
+## Session record
+
+Fill one block per pass. Append new sessions over time so the doc grows into a forensic trail.
+
+### Session — `<YYYY-MM-DDTHH:MM>` — staging dry-run
+
+| Step                                              | Status   | Observed                                                 | Trace                          |
+| ------------------------------------------------- | -------- | -------------------------------------------------------- | ------------------------------ |
+| 1. Login as buyer                                  | _PASS / FAIL_ | _access_token captured ✓ / 401 / other_                | session log line range         |
+| 2. List marketplace products                       | _PASS / FAIL_ | _product_id, price_                                      | session log line range         |
+| 3. POST /orders (create)                           | _PASS / FAIL_ | _order_id, hyperswitch_payment_id, payment_url received_  | session log line range         |
+| 4. Pay via Hyperswitch checkout                    | _PASS / FAIL_ | _card last 4, transaction time, processor used_           | Hyperswitch dashboard URL      |
+| 5. Poll /orders/:id until completed                | _PASS / FAIL_ | _seconds-to-completed, max 5xx during the window_         | session log line range         |
+| 6. License attribution (GET /licenses/mine)        | _PASS / FAIL_ | _license_id, type, rights JSON_                          | session log line range         |
+| 7. seller_transfers row (DB)                       | _PASS / FAIL_ | _amount, stripe_transfer_id, status_                     | psql output paste              |
+| 8. Refund (POST /orders/:id/refund)                | _PASS / FAIL_ | _refund_id, status_                                      | session log line range         |
+| 9. License revoked + funds returned                | _PASS / FAIL_ | _seconds-to-refunded, license disappeared from /mine_     | session log line range + bank statement |
+
+**Anomalies / surprises** :
+
+_Free-form. Anything that didn't match expectation. Don't filter — even minor cosmetic issues belong here so the team can decide whether they block launch._
+
+**Action items from this session** :
+
+- _PR / issue / runbook update_
+
+### Session — `<YYYY-MM-DDTHH:MM>` — prod live run
+
+_Same table shape. Use a fresh block ; don't overwrite the dry-run record._
+
+| Step                                              | Status   | Observed                                                 | Trace                          |
+| ------------------------------------------------- | -------- | -------------------------------------------------------- | ------------------------------ |
+| 1. Login as buyer                                  | _to fill_ |                                                          |                                |
+| 2. List marketplace products                       | _to fill_ |                                                          |                                |
+| 3. POST /orders (create)                           | _to fill_ |                                                          |                                |
+| 4. Pay via Hyperswitch checkout                    | _to fill_ |                                                          |                                |
+| 5. Poll /orders/:id until completed                | _to fill_ |                                                          |                                |
+| 6. License attribution                              | _to fill_ |                                                          |                                |
+| 7. seller_transfers row                             | _to fill_ |                                                          |                                |
+| 8. Refund                                           | _to fill_ |                                                          |                                |
+| 9. License revoked + funds returned                | _to fill_ |                                                          |                                |
+
+## Acceptance gate (Day 27)
+
+- [ ] Pre-flight script returns 0 against the live target.
+- [ ] Walkthrough runs end-to-end with the operator's own card.
+- [ ] Order reaches `status=completed` within 5 minutes.
+- [ ] License is attributed AND visible in `/licenses/mine`.
+- [ ] `seller_transfers` row exists with non-NULL `stripe_transfer_id`.
+- [ ] Refund POST returns 2xx.
+- [ ] Order reaches `status=refunded` within 5 minutes.
+- [ ] License disappears from `/licenses/mine` after refund.
+- [ ] Funds returned to the operator's card (verify on the bank statement within 5-7 business days).
+
+If any box is unchecked at the end of the session, the W6 GO/NO-GO checklist row "Flux paiement E2E avec vrais fonds" stays 🟡 PENDING and the launch slips.
+
+## Risks the operator must keep in mind
+
+- **Test product price.** Use a 5 EUR product, not a 500 EUR one. Bigger amounts trigger Stripe risk reviews that delay the test by hours-to-days.
+- **Card type.** Use a personal card the operator can later see on a personal bank statement. Corporate cards may bounce on missing approval, and the refund verification step needs the bank-statement check.
+- **Hyperswitch sandbox vs live.** The dry-run is on sandbox ; the live run is on live. Don't accidentally run the live walkthrough against the sandbox processor — the test order won't actually charge anything but the report will misleadingly claim it did. The pre-flight script's `environment` check is the gate.
+- **Refund window.** Hyperswitch refunds are immediate via the API ; the bank-statement reflection takes 5-7 business days. Don't close the report before the bank confirms.
+- **Tax / VAT.** Real EU transactions trigger a real VAT line. The 5 EUR test product should be configured with the correct tax rate ; the walkthrough records the post-tax total.
+
+## Linked artefacts
+
+- `scripts/payment-e2e-preflight.sh` — pre-flight gate
+- `scripts/payment-e2e-walkthrough.sh` — interactive walkthrough
+- `docs/CANARY_RELEASE.md` — for the W6 Day 28 prod canary that ships v2.0.0-rc1 (referenced by step 4)
+- `docs/GO_NO_GO_CHECKLIST_v2.0.0_PUBLIC.md` — Section 6 "Business" tracks the row this report unblocks
+- Hyperswitch dashboard (live mode) — link in the engagement letter
+- Stripe dashboard (live mode) — link in the engagement letter
+
+## Post-session housekeeping
+
+After both sessions complete + the bank statement confirms the refund :
+
+1. Move the session log files to `docs/archive/payment-e2e/` (kept 1 year for accounting + audit trail).
+2. Update the W6 GO/NO-GO row to ✅ GO with a link to this report.
+3. If the refund flow surfaced any oddity (delay, partial, wrong amount), file an issue + assign to the marketplace squad.
+4. Rotate the OPERATOR_PASSWORD if it was passed via shell history (use `history -d <line>` after running the walkthrough).
diff --git a/scripts/payment-e2e-preflight.sh b/scripts/payment-e2e-preflight.sh
new file mode 100755
index 000000000..48fbdbd9e
--- /dev/null
+++ b/scripts/payment-e2e-preflight.sh
@@ -0,0 +1,112 @@
+#!/usr/bin/env bash
+# payment-e2e-preflight.sh — pre-flight check for the W6 Day 27
+# real-money payment E2E test.
+#
+# Refuses to proceed when any of these are not in place :
+#   - Stripe live mode credentials in env
+#   - Hyperswitch live mode credentials in env
+#   - Backend reachable + reports the live mode active
+#   - At least one test product in the marketplace ready to purchase
+#   - Operator has set OPERATOR_EMAIL (used for the buyer account)
+#   - The Stripe-Hyperswitch webhook signature is configured
+#
+# v1.0.9 W6 Day 27.
+#
+# Usage :
+#   STAGING_URL=https://staging.veza.fr \
+#   OPERATOR_EMAIL=ops-test@veza.music \
+#   bash scripts/payment-e2e-preflight.sh
+#
+# Exit codes :
+#   0  — all gates clear, safe to run the walkthrough
+#   1  — at least one gate failed
+#   3  — required tool missing
+set -euo pipefail
+
+STAGING_URL=${STAGING_URL:-?}
+OPERATOR_EMAIL=${OPERATOR_EMAIL:-?}
+
+log()  { printf '[%s] %s\n' "$(date +%H:%M:%S)" "$*" >&2; }
+warn() { log "WARN: $*"; }
+fail() { log "FAIL: $*"; exit "${2:-1}"; }
+
+require() {
+  command -v "$1" >/dev/null 2>&1 || fail "required tool missing: $1" 3
+}
+
+require curl
+require jq
+
+[ "$STAGING_URL" = "?" ] && fail "STAGING_URL env var required (e.g. https://staging.veza.fr)" 1
+[ "$OPERATOR_EMAIL" = "?" ] && fail "OPERATOR_EMAIL env var required (the buyer's real email)" 1
+
+errors=0
+
+# 1. Backend reachable + health green.
+log "step 1 : backend health"
+status=$(curl -ksS --max-time 10 -o /dev/null -w "%{http_code}" "${STAGING_URL}/api/v1/health" || echo "000")
+if [ "$status" != "200" ]; then
+  fail "backend /api/v1/health returned $status (want 200)" 1
+fi
+log "  ✓ /api/v1/health = 200"
+
+# 2. Live mode active. /api/v1/status carries the env in the response.
+log "step 2 : live mode active"
+status_body=$(curl -ksS --max-time 10 "${STAGING_URL}/api/v1/status" || echo "{}")
+env_value=$(echo "$status_body" | jq -r '.data.environment // .environment // ""')
+case "$env_value" in
+  prod|production|live)
+    log "  ✓ environment = $env_value"
+    ;;
+  staging)
+    warn "environment = staging — live payment will hit Stripe/Hyperswitch sandbox, NOT real funds"
+    warn "this is acceptable for the dry-run pass ; the real-funds run requires environment=prod/live"
+    ;;
+  *)
+    warn "environment unknown ('$env_value') ; cannot verify live mode"
+    errors=$((errors + 1))
+    ;;
+esac
+
+# 3. Hyperswitch enabled flag.
+log "step 3 : Hyperswitch enabled in backend config"
+hs_check=$(echo "$status_body" | jq -r '.data.services.hyperswitch.status // .services.hyperswitch.status // ""')
+if [ -z "$hs_check" ] || [ "$hs_check" = "disabled" ]; then
+  warn "Hyperswitch service not visible in /api/v1/status — cannot proceed without payment processor"
+  errors=$((errors + 1))
+else
+  log "  ✓ Hyperswitch service status = $hs_check"
+fi
+
+# 4. At least one marketplace product available.
+log "step 4 : at least one product in marketplace"
+prod_resp=$(curl -ksS --max-time 10 "${STAGING_URL}/api/v1/marketplace/products?limit=5" || echo "{}")
+prod_count=$(echo "$prod_resp" | jq -r '(.data.products // .data // []) | length' 2>/dev/null || echo 0)
+if [ "${prod_count:-0}" -lt 1 ]; then
+  fail "marketplace returned 0 products — seed at least one product before the live test" 1
+fi
+log "  ✓ marketplace has $prod_count product(s) available"
+
+# 5. Operator email format check.
+log "step 5 : operator email shape"
+if ! echo "$OPERATOR_EMAIL" | grep -qE '^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}$'; then
+  fail "OPERATOR_EMAIL ('$OPERATOR_EMAIL') doesn't look like a valid email" 1
+fi
+log "  ✓ OPERATOR_EMAIL = $OPERATOR_EMAIL"
+
+# 6. Reminder : the operator's personal card will be charged.
+log ""
+log "==========================================================="
+log "REMINDER : a successful run of the walkthrough will charge"
+log "your real card. Total cost : ~5 EUR for a test product."
+log "Refund test at the end recovers the funds (minus Stripe fees"
+log "if any). DO NOT run on a corporate card without prior approval."
+log "==========================================================="
+log ""
+
+if [ "$errors" -gt 0 ]; then
+  fail "$errors warning(s) escalated to error — review + fix before the walkthrough" 1
+fi
+
+log "PASS : pre-flight green ; ready to run scripts/payment-e2e-walkthrough.sh"
+exit 0
diff --git a/scripts/payment-e2e-walkthrough.sh b/scripts/payment-e2e-walkthrough.sh
new file mode 100755
index 000000000..8de3ce22e
--- /dev/null
+++ b/scripts/payment-e2e-walkthrough.sh
@@ -0,0 +1,291 @@
+#!/usr/bin/env bash
+# payment-e2e-walkthrough.sh — interactive driver for the W6 Day 27
+# real-money payment E2E test.
+#
+# Walks the operator through the 7 verification points :
+#   1. Login as the buyer (operator's account on staging/prod)
+#   2. List the test product + capture product_id
+#   3. Create the order via POST /api/v1/marketplace/orders
+#   4. Open the Hyperswitch payment URL in a browser ; operator
+#      enters real card details ; confirm payment
+#   5. Poll the order status until 'completed'
+#   6. Verify the license is attributed (GET /api/v1/marketplace/licenses/mine)
+#   7. Verify the seller transfer record exists in the DB (operator
+#      runs the helper SQL provided in the report)
+#
+# After the purchase, the script offers an optional refund step :
+#   8. POST /api/v1/marketplace/orders/:id/refund
+#   9. Poll until refund webhook lands ; verify license revoked
+#
+# All API responses are tee'd to a session log under
+# docs/PAYMENT_E2E_LIVE_REPORT.md.session-<timestamp>.log so the
+# operator can attach the trace to the report.
+#
+# v1.0.9 W6 Day 27.
+#
+# Usage :
+#   STAGING_URL=https://staging.veza.fr \
+#   OPERATOR_EMAIL=ops-test@veza.music \
+#   OPERATOR_PASSWORD=... \
+#   bash scripts/payment-e2e-walkthrough.sh
+#
+# Exit codes :
+#   0  — purchase + license attribution + refund all verified
+#   1  — at least one verification failed
+#   2  — operator aborted mid-flow (e.g. card declined intentionally)
+#   3  — required tool / env missing
+set -euo pipefail
+
+REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+STAGING_URL=${STAGING_URL:-?}
+OPERATOR_EMAIL=${OPERATOR_EMAIL:-?}
+OPERATOR_PASSWORD=${OPERATOR_PASSWORD:-?}
+ORDER_POLL_TIMEOUT=${ORDER_POLL_TIMEOUT:-300}
+ORDER_POLL_INTERVAL=${ORDER_POLL_INTERVAL:-5}
+
+SESSION_DATE="$(date +%Y%m%d-%H%M)"
+SESSION_LOG="${REPO_ROOT}/docs/PAYMENT_E2E_LIVE_REPORT.md.session-${SESSION_DATE}.log"
+
+mkdir -p "${REPO_ROOT}/docs"
+: > "$SESSION_LOG"
+
+log()  { printf '[%s] %s\n' "$(date +%H:%M:%S)" "$*" | tee -a "$SESSION_LOG" >&2; }
+fail() { log "FAIL: $*"; exit "${2:-1}"; }
+prompt() { printf '%s ' "$*" >&2; }
+
+require() {
+  command -v "$1" >/dev/null 2>&1 || fail "required tool missing: $1" 3
+}
+
+require curl
+require jq
+
+[ "$STAGING_URL"        = "?" ] && fail "STAGING_URL env var required" 3
+[ "$OPERATOR_EMAIL"     = "?" ] && fail "OPERATOR_EMAIL env var required" 3
+[ "$OPERATOR_PASSWORD"  = "?" ] && fail "OPERATOR_PASSWORD env var required" 3
+
+# api wrapper that tee's request + response to the session log so the
+# operator can copy-paste the full trace into the report.
+api() {
+  local method=$1 path=$2 body=${3:-}
+  local headers=()
+  if [ -n "${ACCESS_TOKEN:-}" ]; then
+    headers+=("-H" "Authorization: Bearer ${ACCESS_TOKEN}")
+  fi
+  if [ -n "$body" ]; then
+    headers+=("-H" "Content-Type: application/json")
+  fi
+  log ""
+  log "  → $method ${STAGING_URL}${path}"
+  if [ -n "$body" ]; then
+    log "    body : $body"
+  fi
+  local resp http_code
+  if [ -n "$body" ]; then
+    resp=$(curl -ksS --max-time 30 -X "$method" "${headers[@]}" -d "$body" \
+      -w "\nHTTP_CODE=%{http_code}" "${STAGING_URL}${path}" 2>&1)
+  else
+    resp=$(curl -ksS --max-time 30 -X "$method" "${headers[@]}" \
+      -w "\nHTTP_CODE=%{http_code}" "${STAGING_URL}${path}" 2>&1)
+  fi
+  http_code=$(echo "$resp" | grep -oE 'HTTP_CODE=[0-9]+' | tail -1 | cut -d= -f2)
+  body_only=$(echo "$resp" | sed '$d')
+  log "    HTTP $http_code"
+  log "    body : $body_only"
+  echo "$body_only"
+  echo "$http_code" >&2
+  return 0
+}
+
+log "================================================================"
+log "Payment E2E live walkthrough — session ${SESSION_DATE}"
+log "Staging URL  : ${STAGING_URL}"
+log "Operator     : ${OPERATOR_EMAIL}"
+log "Session log  : ${SESSION_LOG}"
+log "================================================================"
+
+# --------------------------------------------------------------------
+# Step 1 : login as the operator. Captures access_token.
+# --------------------------------------------------------------------
+log ""
+log "step 1 : POST /api/v1/auth/login as ${OPERATOR_EMAIL}"
+login_resp=$(api POST /api/v1/auth/login \
+  "{\"email\":\"${OPERATOR_EMAIL}\",\"password\":\"${OPERATOR_PASSWORD}\",\"remember_me\":false}" 2>/dev/null)
+ACCESS_TOKEN=$(echo "$login_resp" | jq -r '.data.token.access_token // .token.access_token // ""')
+if [ -z "$ACCESS_TOKEN" ] || [ "$ACCESS_TOKEN" = "null" ]; then
+  fail "login did not return an access token" 1
+fi
+log "  ✓ access_token captured"
+
+# --------------------------------------------------------------------
+# Step 2 : list products + pick the first one.
+# --------------------------------------------------------------------
+log ""
+log "step 2 : list products + pick first"
+products_resp=$(api GET /api/v1/marketplace/products?limit=5 2>/dev/null)
+PRODUCT_ID=$(echo "$products_resp" | jq -r '(.data.products // .data // .products // [])[0].id // ""')
+PRODUCT_PRICE=$(echo "$products_resp" | jq -r '(.data.products // .data // .products // [])[0].price // ""')
+if [ -z "$PRODUCT_ID" ] || [ "$PRODUCT_ID" = "null" ]; then
+  fail "no product available to test against" 1
+fi
+log "  ✓ product_id : $PRODUCT_ID"
+log "  ✓ price      : $PRODUCT_PRICE"
+
+# --------------------------------------------------------------------
+# Step 3 : POST /orders.
+# --------------------------------------------------------------------
+log ""
+log "step 3 : POST /api/v1/marketplace/orders"
+order_body="{\"items\":[{\"product_id\":\"${PRODUCT_ID}\"}]}"
+order_resp=$(api POST /api/v1/marketplace/orders "$order_body" 2>/dev/null)
+ORDER_ID=$(echo "$order_resp" | jq -r '.data.order.id // .data.id // .id // ""')
+PAYMENT_URL=$(echo "$order_resp" | jq -r '.data.payment_url // .data.checkout_url // .payment_url // ""')
+if [ -z "$ORDER_ID" ] || [ "$ORDER_ID" = "null" ]; then
+  fail "order creation did not return an id" 1
+fi
+log "  ✓ order_id    : $ORDER_ID"
+log "  ✓ payment_url : ${PAYMENT_URL:-<none — operator must navigate via UI>}"
+
+# --------------------------------------------------------------------
+# Step 4 : operator pays. We can't drive the Hyperswitch checkout
+# from a script (real card data) — operator does it, then confirms.
+# --------------------------------------------------------------------
+log ""
+log "================================================================"
+log "step 4 : operator action required"
+log "================================================================"
+log ""
+log "Open the payment URL in a browser :"
+log "    ${PAYMENT_URL:-https://${STAGING_URL#https://}/orders/${ORDER_ID}/checkout}"
+log ""
+log "Enter your real card details. After Hyperswitch confirms the"
+log "payment, return here."
+log ""
+prompt "Press ENTER once you've completed the payment (or Ctrl-C to abort) :"
+read -r _
+log "  operator confirmed payment completed"
+
+# --------------------------------------------------------------------
+# Step 5 : poll /orders/:id until status = completed.
+# --------------------------------------------------------------------
+log ""
+log "step 5 : poll order status until completed (timeout ${ORDER_POLL_TIMEOUT}s)"
+deadline=$(( $(date +%s) + ORDER_POLL_TIMEOUT ))
+final_status=""
+while [ "$(date +%s)" -lt "$deadline" ]; do
+  order_state=$(api GET "/api/v1/marketplace/orders/${ORDER_ID}" 2>/dev/null)
+  s=$(echo "$order_state" | jq -r '.data.status // .data.order.status // .status // ""')
+  log "  order status : $s"
+  if [ "$s" = "completed" ]; then
+    final_status="completed"
+    break
+  fi
+  if [ "$s" = "failed" ] || [ "$s" = "cancelled" ]; then
+    fail "order ended in status=$s — webhook delivered but not as expected" 1
+  fi
+  sleep "$ORDER_POLL_INTERVAL"
+done
+if [ "$final_status" != "completed" ]; then
+  fail "order did not reach status=completed within ${ORDER_POLL_TIMEOUT}s" 1
+fi
+log "  ✓ order completed"
+
+# --------------------------------------------------------------------
+# Step 6 : verify the license was attributed.
+# --------------------------------------------------------------------
+log ""
+log "step 6 : GET /api/v1/marketplace/licenses/mine"
+licenses_resp=$(api GET /api/v1/marketplace/licenses/mine 2>/dev/null)
+matching_license=$(echo "$licenses_resp" | jq -r --arg oid "$ORDER_ID" \
+  '(.data.licenses // .data // .licenses // [])[] | select(.order_id == $oid) | .id' | head -1)
+if [ -z "$matching_license" ]; then
+  fail "no license found for order_id=${ORDER_ID} — webhook landed but license attribution failed" 1
+fi
+log "  ✓ license attributed : $matching_license"
+
+# --------------------------------------------------------------------
+# Step 7 : DB-side verification — operator runs the SQL.
+# --------------------------------------------------------------------
+log ""
+log "================================================================"
+log "step 7 : operator DB verification"
+log "================================================================"
+log ""
+log "Run the following SQL on the prod / staging DB to confirm the"
+log "seller transfer was queued :"
+log ""
+log "    psql \"\$DATABASE_URL\" -c \"SELECT id, order_id, seller_id, amount,"
+log "                                stripe_transfer_id, status, created_at"
+log "                         FROM seller_transfers"
+log "                         WHERE order_id = '${ORDER_ID}';\""
+log ""
+log "Expected : 1 row, status='pending' or 'completed', stripe_transfer_id"
+log "non-NULL, amount = product price minus platform fee."
+log ""
+prompt "Press ENTER once the SQL row is confirmed (or Ctrl-C if missing) :"
+read -r _
+log "  operator confirmed seller transfer row exists"
+
+# --------------------------------------------------------------------
+# Step 8 (optional) : refund.
+# --------------------------------------------------------------------
+log ""
+prompt "Test the refund flow now ? [y/N] :"
+read -r refund_choice
+if [[ ! "$refund_choice" =~ ^[Yy] ]]; then
+  log "  operator skipped the refund step"
+  log ""
+  log "================================================================"
+  log "PARTIAL PASS : purchase + license attribution verified"
+  log "Refund test SKIPPED — re-run with the refund-only branch when ready"
+  log "================================================================"
+  exit 0
+fi
+
+log ""
+log "step 8 : POST /api/v1/marketplace/orders/${ORDER_ID}/refund"
+refund_resp=$(api POST "/api/v1/marketplace/orders/${ORDER_ID}/refund" '{}' 2>/dev/null)
+refund_status=$(echo "$refund_resp" | jq -r '.data.status // .status // ""')
+log "  refund response status : $refund_status"
+
+# --------------------------------------------------------------------
+# Step 9 : poll until refund webhook lands + license revoked.
+# --------------------------------------------------------------------
+log ""
+log "step 9 : poll until refund webhook lands + license revoked"
+deadline=$(( $(date +%s) + ORDER_POLL_TIMEOUT ))
+refunded=0
+while [ "$(date +%s)" -lt "$deadline" ]; do
+  order_state=$(api GET "/api/v1/marketplace/orders/${ORDER_ID}" 2>/dev/null)
+  s=$(echo "$order_state" | jq -r '.data.status // .data.order.status // .status // ""')
+  log "  order status : $s"
+  if [ "$s" = "refunded" ]; then
+    refunded=1
+    break
+  fi
+  sleep "$ORDER_POLL_INTERVAL"
+done
+if [ "$refunded" -ne 1 ]; then
+  fail "order did not reach status=refunded within ${ORDER_POLL_TIMEOUT}s" 1
+fi
+log "  ✓ order refunded"
+
+# Verify license revoked.
+licenses_after=$(api GET /api/v1/marketplace/licenses/mine 2>/dev/null)
+remaining=$(echo "$licenses_after" | jq -r --arg oid "$ORDER_ID" \
+  '(.data.licenses // .data // .licenses // [])[] | select(.order_id == $oid) | .id' | head -1)
+if [ -n "$remaining" ]; then
+  log "  WARN : license $remaining still listed after refund — investigate"
+else
+  log "  ✓ license revoked (no row for order_id=${ORDER_ID})"
+fi
+
+log ""
+log "================================================================"
+log "PASS : full purchase + license + refund cycle verified"
+log "Session log : ${SESSION_LOG}"
+log ""
+log "Next : copy the session log into docs/PAYMENT_E2E_LIVE_REPORT.md"
+log "and fill the operator-observation cells."
+log "================================================================"
+exit 0