Switch auth to plain-text password env var (remove bcrypt)

- Replace ADMIN_PASSWORD_HASH with ADMIN_PASSWORD in auth route and docker-compose
- Remove bcryptjs / @types/bcryptjs dependencies
- Delete scripts/hashPassword.ts (no longer needed)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

client/src/components/modals/AddModuleModal.tsx

@@ -1,4 +1,4 @@
-import { useState, type FormEvent } from 'react';
+import { useState, useEffect, type FormEvent } from 'react';
 import { toast } from 'sonner';
 import type { ModuleType } from '../../types';
 import { Modal } from '../ui/Modal';
@@ -17,6 +17,8 @@ interface AddModuleModalProps {
   onClose: () => void;
   rackId: string;
   uPosition: number;
+  /** Pre-select a type (e.g. from a palette drag) — skips the type picker step. */
+  initialType?: ModuleType;
 }
 
 const ALL_TYPES: ModuleType[] = [
@@ -24,17 +26,29 @@ const ALL_TYPES: ModuleType[] = [
   'MODEM', 'SERVER', 'NAS', 'PDU', 'AP', 'BLANK', 'OTHER',
 ];
 
-export function AddModuleModal({ open, onClose, rackId, uPosition }: AddModuleModalProps) {
+export function AddModuleModal({ open, onClose, rackId, uPosition, initialType }: AddModuleModalProps) {
   const { addModule } = useRackStore();
-  const [selectedType, setSelectedType] = useState<ModuleType | null>(null);
-  const [name, setName] = useState('');
-  const [uSize, setUSize] = useState(1);
-  const [portCount, setPortCount] = useState(0);
+  const [selectedType, setSelectedType] = useState<ModuleType | null>(initialType ?? null);
+  const [name, setName] = useState(initialType ? MODULE_TYPE_LABELS[initialType] : '');
+  const [uSize, setUSize] = useState(initialType ? MODULE_U_DEFAULTS[initialType] : 1);
+  const [portCount, setPortCount] = useState(initialType ? MODULE_PORT_DEFAULTS[initialType] : 0);
   const [ipAddress, setIpAddress] = useState('');
   const [manufacturer, setManufacturer] = useState('');
   const [model, setModel] = useState('');
   const [loading, setLoading] = useState(false);
 
+  // Sync state when modal opens with a new initialType (e.g. drag-drop reuse)
+  useEffect(() => {
+    if (open && initialType) {
+      setSelectedType(initialType);
+      setName(MODULE_TYPE_LABELS[initialType]);
+      setUSize(MODULE_U_DEFAULTS[initialType]);
+      setPortCount(MODULE_PORT_DEFAULTS[initialType]);
+    } else if (!open) {
+      reset();
+    }
+  }, [open, initialType]); // eslint-disable-line react-hooks/exhaustive-deps
+
   function handleTypeSelect(type: ModuleType) {
     setSelectedType(type);
     setName(MODULE_TYPE_LABELS[type]);