docs(BSC): live WETH bridge inventory note for queued release

Document observed 0.1 WETH queued requirement vs ~0.009 WETH on hand and point to check-mainnet-weth-relay-lane.sh.

Made-with: Cursor

docs/03-deployment/FINAL_UNBLOCK_CHECKLIST_MAINNET_BSC.md

@@ -75,6 +75,20 @@ There is no hardcoded repo target for relay inventory, so use a small bootstrap
 - Current: `0.002634280582011289 WETH`
 - **Top up:** `0.007365719417988711 WETH`
 
+#### Current live operator note
+
+The bridge can be technically deliverable at the bootstrap floor while still being underfunded for a queued historical release.
+
+- Live queued release requirement observed on `2026-04-12`: **`0.1 WETH`**
+- Live bridge inventory after the bootstrap top-up and replay check: **`0.009 WETH`**
+- Additional WETH still needed to clear that queued release: **`0.091 WETH`**
+
+Use the health checker below to confirm the exact shortfall before topping up:
+
+```bash
+bash scripts/verify/check-mainnet-weth-relay-lane.sh
+```
+
 Operator check / unpause helpers:
 
 - Read-only lane readiness: [`check-mainnet-weth-relay-lane.sh`](../../scripts/verify/check-mainnet-weth-relay-lane.sh)