docs(audit): align documentation with post-remediation backend reality

- Update data model enums to match backend models
- Update API reference auth requirements
- Add dispute module references and warning blocks
- Add 2026-05-24 audit remediation callout to Overview
- Generate task breakdowns and audit artifacts
- Add doc alignment report (.taskmaster/reports/)

Taskmaster/Tasks/task-2-4.md

@@ -0,0 +1,35 @@
+---
+taskmaster_id: "2.4"
+status: "done"
+priority: "high"
+depends_on: ["1"]
+parent_id: "2"
+source: "taskmaster"
+generated_at: "2026-05-24T07:15:25.199Z"
+---
+
+# 2.4 - Strengthen DePay/Web3 payment verification
+
+- [x] 2.4 - Strengthen DePay/Web3 payment verification #taskmaster #priority/high #status/done ⏫ 🆔 tm-2-4 ⛔ tm-1
+
+## Metadata
+
+| Field | Value |
+| --- | --- |
+| Taskmaster ID | 2.4 |
+| Status | done |
+| Priority | high |
+| Dependencies | 1 |
+| Parent | 2 - Implement platform audit remediation plan |
+
+## Description
+
+Verify transaction recipient, token contract, and amount, not only receipt success.
+
+## Details
+
+Decode ERC-20 Transfer logs, compare recipient against escrow address, validate token contract and decimals-adjusted minimum amount, store verifier evidence and idempotency fingerprint.
+
+## Verification
+
+Reject successful but wrong-recipient/wrong-token/underpaid tx hashes; accept only matching transfers.