Enable automatic delivery validation for designated suppliers

Add automatic delivery validation logic to the reconciliation process, enabling auto-validation for deliveries from suppliers configured for automatic reconciliation when the delivery status is 'delivered' and a BL number is present. Includes a new method to retrieve supplier details and updates to documentation.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: b163d4c0-de5e-4f4e-a9c0-aed4c7049718
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/1957c339-2757-4d1f-8e92-e9f71a1ce58e/b163d4c0-de5e-4f4e-a9c0-aed4c7049718/FyjZ5oh

server/storage.ts

@@ -470,6 +470,11 @@ export class DatabaseStorage implements IStorage {
     return await db.select().from(suppliers).orderBy(suppliers.name);
   }
 
+  async getSupplier(id: number): Promise<Supplier | undefined> {
+    const [supplier] = await db.select().from(suppliers).where(eq(suppliers.id, id));
+    return supplier;
+  }
+
   async createSupplier(supplier: InsertSupplier): Promise<Supplier> {
     const [newSupplier] = await db.insert(suppliers).values(supplier).returning();
     return newSupplier;