chore: branch protection docs, treasury pagination, ABI explorer, CODEOWNERS

frontend/src/App.tsx

@@ -28,6 +28,7 @@ export default function App() {
         <Route path="settlements" element={<SettlementsPage />} />
         <Route path="disputes" element={<DisputesPage />} />
         <Route path="settings" element={<SettingsPage />} />
+        <Route path="abi" element={<ABIExplorer />} />
       </Route>
     </Routes>
   );

frontend/src/components/ABIExplorer.tsx

@@ -0,0 +1,114 @@
+import { useState } from 'react'
+
+interface ABIContract {
+  contract: string
+  version: string
+  functions: string[]
+}
+
+const contracts: ABIContract[] = [
+  {
+    contract: 'invoice',
+    version: '1.1.0',
+    functions: [
+      'initialize',
+      'create_invoice',
+      'mark_paid',
+      'get_invoice',
+      'get_invoice_status',
+      'cancel_invoice',
+      'request_refund',
+      'batch_expire(offset: u32, limit: u32, returns: u32)',
+      'pause',
+      'unpause',
+      'set_grace_window',
+      'get_grace_window',
+      'release_escrow',
+    ],
+  },
+  {
+    contract: 'treasury',
+    version: '1.0.0',
+    functions: [
+      'initialize',
+      'set_signer',
+      'propose_settlement',
+      'propose_partial_settlement',
+      'approve_settlement',
+      'approve_partial_settlement',
+      'execute_settlement',
+      'partially_execute_settlement',
+      'cancel_settlement',
+      'get_pending_settlements',
+      'get_pending_settlements_page',
+      'get_settlement',
+      'update_threshold',
+      'pause',
+      'unpause',
+      'raise_dispute',
+      'resolve_dispute',
+      'vote_dispute_resolution',
+      'deposit',
+      'withdraw',
+      'add_allowed_token',
+      'remove_allowed_token',
+      'get_allowed_tokens',
+      'propose_signer_rotation',
+      'approve_signer_rotation',
+      'update_merchant_payout_address',
+      'get_merchant_payout_address',
+      'hold_settlement',
+      'release_hold',
+    ],
+  },
+  {
+    contract: 'compliance',
+    version: '1.0.0',
+    functions: [
+      'initialize',
+      'is_allowed',
+      'allow_address',
+      'block_address',
+      'allow_address_until',
+      'transfer_admin',
+      'accept_admin',
+      'clear_address',
+      'pause',
+      'unpause',
+    ],
+  },
+]
+
+export default function ABIExplorer() {
+  const [expanded, setExpanded] = useState<Record<string, boolean>>({})
+
+  const toggle = (contract: string) => {
+    setExpanded(prev => ({ ...prev, [contract]: !prev[contract] }))
+  }
+
+  return (
+    <div style={{ padding: '20px' }}>
+      <h2>ABI Explorer</h2>
+      <p>Deployed contract functions reference</p>
+      {contracts.map(c => (
+        <div key={c.contract} style={{ marginBottom: '16px', border: '1px solid #ccc', borderRadius: '4px' }}>
+          <div
+            onClick={() => toggle(c.contract)}
+            style={{ padding: '12px', cursor: 'pointer', background: '#f9f9f9', fontWeight: 'bold' }}
+          >
+            {c.contract} (v{c.version}) — {c.functions.length} functions
+          </div>
+          {expanded[c.contract] && (
+            <ul style={{ margin: 0, padding: '12px 24px' }}>
+              {c.functions.map((fn, i) => (
+                <li key={i} style={{ fontFamily: 'monospace', fontSize: '14px', marginBottom: '4px' }}>
+                  {fn}
+                </li>
+              ))}
+            </ul>
+          )}
+        </div>
+      ))}
+    </div>
+  )
+}