Improve Laravel deploy support and add .env import to deploy wizard.

Set Laravel DB env vars in Helm and Kubernetes, fix default port to 80 with a storage-aware entrypoint, and let users upload a .env file during deploy.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/lib/parseDotenv.ts

@@ -0,0 +1,49 @@
+const KEY_PATTERN = /^[A-Za-z_][A-Za-z0-9_]*$/;
+
+function unquote(value: string): string {
+  const trimmed = value.trim();
+  if (
+    (trimmed.startsWith('"') && trimmed.endsWith('"')) ||
+    (trimmed.startsWith("'") && trimmed.endsWith("'"))
+  ) {
+    const inner = trimmed.slice(1, -1);
+    if (trimmed.startsWith('"')) {
+      return inner.replace(/\\n/g, '\n').replace(/\\"/g, '"').replace(/\\\\/g, '\\');
+    }
+    return inner;
+  }
+  return trimmed;
+}
+
+export function parseDotenv(content: string): {
+  vars: Record<string, string>;
+  errors: string[];
+} {
+  const vars: Record<string, string> = {};
+  const errors: string[] = [];
+  const lines = content.split(/\r?\n/);
+
+  lines.forEach((line, index) => {
+    const trimmed = line.trim();
+    if (!trimmed || trimmed.startsWith('#')) return;
+
+    const withoutExport = trimmed.startsWith('export ') ? trimmed.slice(7).trim() : trimmed;
+    const eqIndex = withoutExport.indexOf('=');
+    if (eqIndex === -1) {
+      errors.push(`Line ${index + 1}: missing '='`);
+      return;
+    }
+
+    const key = withoutExport.slice(0, eqIndex).trim();
+    const rawValue = withoutExport.slice(eqIndex + 1);
+
+    if (!KEY_PATTERN.test(key)) {
+      errors.push(`Line ${index + 1}: invalid key "${key}"`);
+      return;
+    }
+
+    vars[key] = unquote(rawValue);
+  });
+
+  return { vars, errors };
+}