add reusable per-user contract signatures with profile prefill and approval

apps/edr-freight-web/backoffice/src/services/bookings.service.ts

@@ -80,6 +80,11 @@ export interface ContractView {
     signedAt: string;
     signatureImageUrl?: string | null;
   }>;
+  /** Current viewer's reusable saved signature, if they have one. */
+  savedSignature?: {
+    signerDisplayName: string;
+    signatureImageUrl?: string | null;
+  } | null;
 }
 
 export interface SignContractPayload {

apps/edr-freight-web/backoffice/src/services/signatures.service.ts

@@ -0,0 +1,32 @@
+import { api as client } from "../auth/http";
+import { unwrap } from "@/utils/endpoint";
+
+const SIGNATURE_URL = "/me/signature";
+
+export interface SavedSignature {
+  signerDisplayName: string;
+  signatureImageUrl?: string | null;
+}
+
+export interface SaveSignaturePayload {
+  signerDisplayName: string;
+  signatureImageBase64: string;
+}
+
+export const signaturesService = {
+  /** Returns the current user's reusable signature, or null if none saved. */
+  getMySignature: async (): Promise<SavedSignature | null> => {
+    const response = await client.get<SavedSignature | null>(SIGNATURE_URL);
+    return (unwrap(response.data) as SavedSignature | null) ?? null;
+  },
+
+  saveMySignature: async (
+    payload: SaveSignaturePayload,
+  ): Promise<SavedSignature | null> => {
+    const response = await client.put<SavedSignature | null>(
+      SIGNATURE_URL,
+      payload,
+    );
+    return (unwrap(response.data) as SavedSignature | null) ?? null;
+  },
+};