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/unstorage/drivers/capacitor-preferences.mjs

@@ -0,0 +1,43 @@
+import { Preferences } from "@capacitor/preferences";
+import { defineDriver, joinKeys, normalizeKey } from "./utils/index.mjs";
+const DRIVER_NAME = "capacitor-preferences";
+export default defineDriver(
+  (opts) => {
+    const base = normalizeKey(opts?.base || "");
+    const resolveKey = (key) => joinKeys(base, key);
+    return {
+      name: DRIVER_NAME,
+      options: opts,
+      getInstance: () => Preferences,
+      hasItem(key) {
+        return Preferences.keys().then((r) => r.keys.includes(resolveKey(key)));
+      },
+      getItem(key) {
+        return Preferences.get({ key: resolveKey(key) }).then((r) => r.value);
+      },
+      getItemRaw(key) {
+        return Preferences.get({ key: resolveKey(key) }).then((r) => r.value);
+      },
+      setItem(key, value) {
+        return Preferences.set({ key: resolveKey(key), value });
+      },
+      setItemRaw(key, value) {
+        return Preferences.set({ key: resolveKey(key), value });
+      },
+      removeItem(key) {
+        return Preferences.remove({ key: resolveKey(key) });
+      },
+      async getKeys() {
+        const { keys } = await Preferences.keys();
+        return keys.map((key) => key.slice(base.length));
+      },
+      async clear(prefix) {
+        const { keys } = await Preferences.keys();
+        const _prefix = resolveKey(prefix || "");
+        await Promise.all(
+          keys.filter((key) => key.startsWith(_prefix)).map((key) => Preferences.remove({ key }))
+        );
+      }
+    };
+  }
+);