fix: Fix product page syntax errors

1. Remove duplicate/broken code in product tables section
2. Fix PostCSS config for Tailwind 4
3. Add @tailwindcss/postcss dependency
4. Remove --production flag from Dockerfile (sharp required)

All fixes enable successful Docker build with favicon working.

node_modules/zod/src/v4/classic/coerce.ts

@@ -0,0 +1,27 @@
+import * as core from "../core/index.js";
+import * as schemas from "./schemas.js";
+
+export interface ZodCoercedString<T = unknown> extends schemas._ZodString<core.$ZodStringInternals<T>> {}
+export function string<T = unknown>(params?: string | core.$ZodStringParams): ZodCoercedString<T> {
+  return core._coercedString(schemas.ZodString, params) as any;
+}
+
+export interface ZodCoercedNumber<T = unknown> extends schemas._ZodNumber<core.$ZodNumberInternals<T>> {}
+export function number<T = unknown>(params?: string | core.$ZodNumberParams): ZodCoercedNumber<T> {
+  return core._coercedNumber(schemas.ZodNumber, params) as ZodCoercedNumber<T>;
+}
+
+export interface ZodCoercedBoolean<T = unknown> extends schemas._ZodBoolean<core.$ZodBooleanInternals<T>> {}
+export function boolean<T = unknown>(params?: string | core.$ZodBooleanParams): ZodCoercedBoolean<T> {
+  return core._coercedBoolean(schemas.ZodBoolean, params) as ZodCoercedBoolean<T>;
+}
+
+export interface ZodCoercedBigInt<T = unknown> extends schemas._ZodBigInt<core.$ZodBigIntInternals<T>> {}
+export function bigint<T = unknown>(params?: string | core.$ZodBigIntParams): ZodCoercedBigInt<T> {
+  return core._coercedBigint(schemas.ZodBigInt, params) as ZodCoercedBigInt<T>;
+}
+
+export interface ZodCoercedDate<T = unknown> extends schemas._ZodDate<core.$ZodDateInternals<T>> {}
+export function date<T = unknown>(params?: string | core.$ZodDateParams): ZodCoercedDate<T> {
+  return core._coercedDate(schemas.ZodDate, params) as ZodCoercedDate<T>;
+}