FEAT: Corporate onboarding implemented with Tax ID validation (HU) and isolated NAS storage

backend/app/schemas/organization.py

@@ -0,0 +1,20 @@
+from pydantic import BaseModel, Field
+from typing import Optional, List
+
+class ContactCreate(BaseModel):
+    full_name: str
+    email: str
+    phone: Optional[str]
+    contact_type: str = "primary"
+
+class CorpOnboardIn(BaseModel):
+    name: str
+    tax_number: str
+    country_code: str = "HU"
+    reg_number: Optional[str]
+    headquarters_address: str
+    contacts: Optional[List[ContactCreate]] = []
+
+class CorpOnboardResponse(BaseModel):
+    organization_id: int
+    status: str = "pending_verification"