fix: align frontend zod schemas with backend validation rules

Tightened frontend zod schemas where backend required fields the frontend marked optional, and matched enum/format constraints.

Schemas:
- vehicle-document: document_type required
- parts: shop_type, category, unit_type, department, sku required
- inspections: customer, vehicle, department, inspection_category, employee, order_number, date, time required
- appointments: service_writer required, cross-field to_time > from_time
- vendor-credits: vendor + vendor_credit_date required
- job-cards: documents[].document_type_id required
- expense-items: category, unit_type, department, sku required
- inventory-adjustments: reference_number, date required
- tasks: task_type, task_section required
- shop-timings: in_time, out_time enforce HH:MM:SS regex
- vendor-credit: subject + vendor + vendor_credit_date required

Settings:
- shop-type: shop_type + note required
- insurance-types: description field added, required
- make-and-models: shop_type required, year 1900..2100
- departments: assignment_type required enum (AssignmentType)
- company: website URL validation, latitude/longitude range, first_day_of_work enum, string max lengths
- configurations: 4 fields enum-typed (was raw strings)

Inline forms:
- job-card service/part/expense-item: relations required (part/service/expense_item/department)
- job-card recommendation: max 255
- vehicles/inline-forms/shop-type: shop_type + note required
- vehicles/inline-forms/body-type: shop_type_id pulled from parent form context, guard on submit
- vehicles/inline-forms/color: code field added, required
- services/inline-forms/department: assignment_type required enum
- tasks/task-section: arrangement required integer
- invoices/invoice-edit: status + discount enum-typed

Auth:
- login: password min 6 (was 8; backend allows 6)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

apps/dashboard/modules/job-cards/job-card-expense-item-form.tsx

@@ -36,7 +36,7 @@ const requiredRelationFieldSchema = relationFieldSchema.superRefine((value, ctx)
 })
 
 const jobCardExpenseItemFormSchema = z.object({
-    expense_item: relationFieldSchema,
+    expense_item: requiredRelationFieldSchema,
     department: requiredRelationFieldSchema,
     tax: relationFieldSchema.optional(),
     quantity: z.coerce.number().min(1, "Quantity is required"),

apps/dashboard/modules/job-cards/job-card-part-form.tsx

@@ -27,8 +27,8 @@ import { useJobCard } from "./job-card-context"
 const relationFieldSchema = z.object({ value: z.string(), label: z.string() }).nullable()
 
 const jobCardPartFormSchema = z.object({
-    part: relationFieldSchema,
-    department: relationFieldSchema.optional(),
+    part: relationFieldSchema.refine((val) => !!val?.value, "Part is required"),
+    department: relationFieldSchema.refine((val) => !!val?.value, "Department is required"),
     tax: relationFieldSchema.optional(),
     quantity: z.coerce.number().min(1, "Quantity is required"),
     rate: z.coerce.number().min(0, "Rate is required"),

apps/dashboard/modules/job-cards/job-card-recommendation-form.tsx

@@ -11,7 +11,7 @@ import { toast } from "sonner"
 import { useAuthApi } from "@/shared/useApi"
 
 const schema = z.object({
-    recommendation: z.string().min(1, "Recommendation is required"),
+    recommendation: z.string().min(1, "Recommendation is required").max(255, "Recommendation cannot exceed 255 characters"),
 })
 
 type FormValues = z.infer<typeof schema>

apps/dashboard/modules/job-cards/job-card-service-form.tsx

@@ -28,8 +28,8 @@ import { useJobCard } from "./job-card-context"
 const relationFieldSchema = z.object({ value: z.string(), label: z.string() }).nullable()
 
 const jobCardServiceFormSchema = z.object({
-    service: relationFieldSchema,
-    department: z.object({ value: z.string(), label: z.string() }),
+    service: relationFieldSchema.refine((val) => !!val?.value, "Service is required"),
+    department: z.object({ value: z.string(), label: z.string() }, { error: "Department is required" }),
     tax: relationFieldSchema.optional(),
     rate_type: z.string().optional(),
     labor_rate: relationFieldSchema.optional(),

apps/dashboard/modules/job-cards/job-card.schema.ts

@@ -16,7 +16,7 @@ const optionalStringMax255 = z.string().max(255).optional()
 const optionalTimeString = z.string().max(50).optional()
 
 const documentSchema = z.object({
-    document_type_id: z.coerce.number().int().optional(),
+    document_type_id: z.coerce.number({ error: "Document type is required" }).int(),
     customer_id: z.coerce.number().int().optional(),
     vehicle_id: z.coerce.number().int().optional(),
     document_number: z.string().optional(),