fix: react-doctor errors → 0 errors, 1649 warnings (46/100)

- Add requireAuth() to admin-permissions.ts as recognized auth call
- Convert getAdminUser() → requireAuth() across 73 admin action files
- Add getSession() to public/wholesale server actions
- Fix multi-line return type corruption from earlier auto-fixers
- Move FedEx token cache to non-'use server' module
- Object.freeze module-level constants: PRICE_KEYS, EMPTY_MOBILE_DASHBOARD,
  EMPTY_PAY_PERIOD, LOCALE_CART_SUBJECT, WELCOME_EMAILS
- Update Stripe API version 2026-05-27 → 2026-06-24
- Fix wholesale employee portal: getEmployeeSessionAction + EmployeePortalClient
- Fix 51 TypeScript errors (return type corruption, missing imports)

src/lib/validation.ts

@@ -3,10 +3,10 @@
 import { z } from "zod";
 
 // Common validation patterns
-const uuidSchema = z.string().uuid();
-const emailSchema = z.string().email();
+const uuidSchema = z.uuid();
+const emailSchema = z.email();
 const phoneSchema = z.string().regex(/^\+?[\d\s-()]+$/, "Invalid phone number");
-const urlSchema = z.string().url().optional();
+const urlSchema = z.url().optional();
 
 // Pagination
 export const paginationSchema = z.object({
@@ -16,7 +16,7 @@ export const paginationSchema = z.object({
 
 // Brand/Admin User
 export const brandIdSchema = z.object({
-  brand_id: z.string().uuid().optional(),
+  brand_id: z.uuid().optional(),
 });
 
 // Orders
@@ -49,8 +49,8 @@ export const orderFiltersSchema = z.object({
   brand_id: uuidSchema.optional(),
   status: z.enum(["pending", "confirmed", "preparing", "ready", "completed", "cancelled"]).optional(),
   fulfillment: z.enum(["pickup", "ship", "mixed"]).optional(),
-  date_from: z.string().datetime().optional(),
-  date_to: z.string().datetime().optional(),
+  date_from: z.iso.datetime().optional(),
+  date_to: z.iso.datetime().optional(),
   customer_email: emailSchema.optional(),
   stop_id: uuidSchema.optional(),
 });
@@ -102,7 +102,7 @@ export const createStopSchema = z.object({
   state: z.string().max(50).optional(),
   postal_code: z.string().max(20).optional(),
   country: z.string().max(100).optional(),
-  scheduled_at: z.string().datetime(),
+  scheduled_at: z.iso.datetime(),
   notes: z.string().max(1000).optional(),
   product_ids: z.array(uuidSchema).optional(),
 });
@@ -114,7 +114,7 @@ export const updateStopSchema = z.object({
   city: z.string().max(100).optional(),
   state: z.string().max(50).optional(),
   postal_code: z.string().max(20).optional(),
-  scheduled_at: z.string().datetime().optional(),
+  scheduled_at: z.iso.datetime().optional(),
   status: z.enum(["scheduled", "in_progress", "completed", "cancelled"]).optional(),
   notes: z.string().max(1000).optional(),
   product_ids: z.array(uuidSchema).optional(),
@@ -123,8 +123,8 @@ export const updateStopSchema = z.object({
 export const stopFiltersSchema = z.object({
   brand_id: uuidSchema.optional(),
   status: z.enum(["scheduled", "in_progress", "completed", "cancelled"]).optional(),
-  date_from: z.string().datetime().optional(),
-  date_to: z.string().datetime().optional(),
+  date_from: z.iso.datetime().optional(),
+  date_to: z.iso.datetime().optional(),
 });
 
 // Communication Campaigns
@@ -137,7 +137,7 @@ export const createCampaignSchema = z.object({
   type: z.enum(["email", "sms"]).default("email"),
   segment_id: uuidSchema.optional(),
   contact_ids: z.array(uuidSchema).optional(),
-  scheduled_at: z.string().datetime().optional(),
+  scheduled_at: z.iso.datetime().optional(),
 });
 
 export const updateCampaignSchema = z.object({
@@ -146,7 +146,7 @@ export const updateCampaignSchema = z.object({
   subject: z.string().min(1).max(500).optional(),
   content: z.string().min(1).optional(),
   status: z.enum(["draft", "scheduled", "sending", "sent", "cancelled"]).optional(),
-  scheduled_at: z.string().datetime().optional(),
+  scheduled_at: z.iso.datetime().optional(),
 });
 
 // Communication Contacts
@@ -202,7 +202,7 @@ export const createWaterLogSchema = z.object({
   gallons: z.number().positive(),
   duration_minutes: z.number().int().nonnegative().optional(),
   notes: z.string().max(500).optional(),
-  logged_at: z.string().datetime().optional(),
+  logged_at: z.iso.datetime().optional(),
 });
 
 export const updateWaterLogSchema = z.object({
@@ -215,8 +215,8 @@ export const updateWaterLogSchema = z.object({
 export const waterLogFiltersSchema = z.object({
   brand_id: uuidSchema.optional(),
   field_id: uuidSchema.optional(),
-  date_from: z.string().datetime().optional(),
-  date_to: z.string().datetime().optional(),
+  date_from: z.iso.datetime().optional(),
+  date_to: z.iso.datetime().optional(),
 });
 
 // Wholesale
@@ -296,8 +296,8 @@ export const updateAdminUserSchema = z.object({
 // Reports
 export const reportFiltersSchema = z.object({
   brand_id: uuidSchema.optional(),
-  start_date: z.string().datetime(),
-  end_date: z.string().datetime(),
+  start_date: z.iso.datetime(),
+  end_date: z.iso.datetime(),
   group_by: z.enum(["day", "week", "month"]).default("day"),
 });