feat(core): add system settings schemas

app/schemas/system_settings.py

@@ -0,0 +1,50 @@
+"""System settings schemas — read, upsert."""
+
+from __future__ import annotations
+
+from pydantic import BaseModel, Field
+
+
+class SystemSettingsUpsert(BaseModel):
+    company_name: str = Field(..., min_length=1, max_length=200)
+    company_legal_form: str | None = Field(None, max_length=50)
+    company_street: str = Field(..., min_length=1, max_length=255)
+    company_city: str = Field(..., min_length=1, max_length=100)
+    company_zip: str = Field(..., min_length=1, max_length=20)
+    company_country: str = Field(..., min_length=2, max_length=2)
+    tax_number: str | None = Field(None, max_length=50)
+    vat_id: str | None = Field(None, max_length=50)
+    iban: str | None = Field(None, max_length=34)
+    bic: str | None = Field(None, max_length=11)
+    bank_name: str | None = Field(None, max_length=100)
+    ceo: str | None = Field(None, max_length=100)
+    trade_register: str | None = Field(None, max_length=100)
+    default_currency_id: str | None = None
+    default_tax_id: str | None = None
+    invoice_prefix: str = Field("RE-", max_length=20)
+    quote_prefix: str = Field("AN-", max_length=20)
+    payment_terms_days: int = Field(14, ge=0, le=365)
+
+
+class SystemSettingsResponse(BaseModel):
+    id: str
+    company_name: str
+    company_legal_form: str | None = None
+    company_street: str
+    company_city: str
+    company_zip: str
+    company_country: str
+    tax_number: str | None = None
+    vat_id: str | None = None
+    iban: str | None = None
+    bic: str | None = None
+    bank_name: str | None = None
+    ceo: str | None = None
+    trade_register: str | None = None
+    default_currency_id: str | None = None
+    default_tax_id: str | None = None
+    invoice_prefix: str = "RE-"
+    quote_prefix: str = "AN-"
+    payment_terms_days: int = 14
+    created_at: str | None = None
+    updated_at: str | None = None