feat: add admin user management page with CRUD and i18n

- New admin blueprint with CRUD proxy endpoints for users
- Admin user management template with search, create, edit, toggle active
- Navbar: add admin link for is_admin users (desktop + mobile)
- Register admin blueprint in app factory
- Add IT/EN translations for all admin UI strings

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

client/app.py

@@ -37,11 +37,13 @@ def create_app() -> Flask:
     from blueprints.measure import measure_bp
     from blueprints.maker import maker_bp
     from blueprints.statistics import statistics_bp
+    from blueprints.admin import admin_bp
 
     app.register_blueprint(auth_bp)
     app.register_blueprint(measure_bp, url_prefix="/measure")
     app.register_blueprint(maker_bp, url_prefix="/maker")
     app.register_blueprint(statistics_bp, url_prefix="/statistics")
+    app.register_blueprint(admin_bp, url_prefix="/admin")
 
     @app.route("/")
     def index():

client/blueprints/admin.py

@@ -0,0 +1,104 @@
+"""Admin blueprint - user management."""
+from flask import Blueprint, flash, jsonify, redirect, render_template, request, session, url_for
+from flask_babel import gettext as _
+
+from blueprints.auth import login_required
+from services.api_client import api_client
+
+admin_bp = Blueprint("admin", __name__, url_prefix="/admin")
+
+
+def admin_required(f):
+    """Decorator to require admin privileges."""
+    from functools import wraps
+    @wraps(f)
+    def decorated(*args, **kwargs):
+        user = session.get("user", {})
+        if not user.get("is_admin"):
+            flash(_("Accesso non autorizzato"), "error")
+            return redirect(url_for("measure.select_recipe"))
+        return f(*args, **kwargs)
+    return decorated
+
+
+# ============================================================================
+# PAGINE (GET)
+# ============================================================================
+
+@admin_bp.route("/users")
+@login_required
+@admin_required
+def user_list():
+    """User management page."""
+    resp = api_client.get("/api/users")
+
+    if isinstance(resp, dict) and resp.get("error"):
+        flash(_("Errore nel caricamento degli utenti: %(error)s", error=resp.get("detail", "")), "error")
+        users = []
+    elif isinstance(resp, list):
+        users = resp
+    else:
+        users = []
+
+    return render_template("admin/users.html", users=users)
+
+
+# ============================================================================
+# API PROXY AJAX (JSON)
+# ============================================================================
+
+@admin_bp.route("/api/users", methods=["POST"])
+@login_required
+@admin_required
+def api_create_user():
+    """Proxy: Create new user."""
+    data = request.get_json(silent=True) or {}
+    resp = api_client.post("/api/users", data=data)
+
+    if isinstance(resp, dict) and resp.get("error"):
+        return jsonify(resp), resp.get("status_code", 500)
+
+    return jsonify(resp), 201
+
+
+@admin_bp.route("/api/users/<int:user_id>", methods=["PUT"])
+@login_required
+@admin_required
+def api_update_user(user_id: int):
+    """Proxy: Update user."""
+    data = request.get_json(silent=True) or {}
+    resp = api_client.put(f"/api/users/{user_id}", data=data)
+
+    if isinstance(resp, dict) and resp.get("error"):
+        return jsonify(resp), resp.get("status_code", 500)
+
+    return jsonify(resp), 200
+
+
+@admin_bp.route("/api/users/<int:user_id>/password", methods=["PUT"])
+@login_required
+@admin_required
+def api_change_password(user_id: int):
+    """Proxy: Change user password."""
+    data = request.get_json(silent=True) or {}
+    resp = api_client.put(f"/api/users/{user_id}/password", data=data)
+
+    if isinstance(resp, dict) and resp.get("error"):
+        return jsonify(resp), resp.get("status_code", 500)
+
+    return jsonify(resp), 200
+
+
+@admin_bp.route("/api/users/<int:user_id>/toggle-active", methods=["POST"])
+@login_required
+@admin_required
+def api_toggle_active(user_id: int):
+    """Proxy: Toggle user active status."""
+    data = request.get_json(silent=True) or {}
+    active = data.get("active", True)
+    resp = api_client.put(f"/api/users/{user_id}", data={"active": active})
+
+    if isinstance(resp, dict) and resp.get("error"):
+        return jsonify(resp), resp.get("status_code", 500)
+
+    return jsonify(resp), 200

client/templates/admin/users.html

@@ -0,0 +1,535 @@
+{% extends "base.html" %}
+
+{% block title %}{{ _('Gestione Utenti') }} - TieMeasureFlow{% endblock %}
+
+{% block content %}
+<script>window.__users = {{ users|tojson }};</script>
+
+<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-6"
+     x-data="userManagement(window.__users)">
+
+  <!-- Header -->
+  <div class="mb-6">
+    <h1 class="text-2xl font-bold text-[var(--text-primary)]">{{ _('Gestione Utenti') }}</h1>
+    <p class="mt-1 text-sm text-[var(--text-secondary)]">{{ _('Crea, modifica e gestisci gli utenti del sistema') }}</p>
+  </div>
+
+  <!-- Toolbar -->
+  <div class="flex flex-col sm:flex-row items-start sm:items-center justify-between gap-3 mb-6">
+    <!-- Search -->
+    <div class="relative w-full sm:w-80">
+      <svg class="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-[var(--text-secondary)]" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
+        <path stroke-linecap="round" stroke-linejoin="round" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"/>
+      </svg>
+      <input type="text" x-model="search"
+             placeholder="{{ _('Cerca utente...') }}"
+             class="w-full pl-10 pr-4 py-2 rounded-lg border border-[var(--border-color)] bg-[var(--bg-card)]
+                    text-sm text-[var(--text-primary)] placeholder-[var(--text-secondary)]
+                    focus:outline-none focus:ring-2 focus:ring-primary/30 focus:border-primary transition-colors">
+    </div>
+
+    <!-- New User Button -->
+    <button @click="openCreateModal()"
+            class="flex items-center gap-2 px-4 py-2 bg-primary text-white text-sm font-medium rounded-lg
+                   hover:bg-primary-700 transition-colors shadow-sm">
+      <svg class="w-4 h-4" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
+        <path stroke-linecap="round" stroke-linejoin="round" d="M12 4v16m8-8H4"/>
+      </svg>
+      {{ _('Nuovo Utente') }}
+    </button>
+  </div>
+
+  <!-- Users Table -->
+  <div class="bg-[var(--bg-card)] rounded-xl border border-[var(--border-color)] shadow-sm overflow-hidden">
+    <div class="overflow-x-auto">
+      <table class="w-full">
+        <thead>
+          <tr class="border-b border-[var(--border-color)] bg-[var(--bg-secondary)]">
+            <th class="text-left px-4 py-3 text-xs font-semibold text-[var(--text-secondary)] uppercase tracking-wider">{{ _('Username') }}</th>
+            <th class="text-left px-4 py-3 text-xs font-semibold text-[var(--text-secondary)] uppercase tracking-wider hidden sm:table-cell">{{ _('Nome Visualizzato') }}</th>
+            <th class="text-left px-4 py-3 text-xs font-semibold text-[var(--text-secondary)] uppercase tracking-wider hidden md:table-cell">{{ _('Email') }}</th>
+            <th class="text-left px-4 py-3 text-xs font-semibold text-[var(--text-secondary)] uppercase tracking-wider">{{ _('Ruoli') }}</th>
+            <th class="text-center px-4 py-3 text-xs font-semibold text-[var(--text-secondary)] uppercase tracking-wider">{{ _('Stato') }}</th>
+            <th class="text-right px-4 py-3 text-xs font-semibold text-[var(--text-secondary)] uppercase tracking-wider">{{ _('Azioni') }}</th>
+          </tr>
+        </thead>
+        <tbody class="divide-y divide-[var(--border-color)]">
+          <template x-for="user in filteredUsers" :key="user.id">
+            <tr class="hover:bg-[var(--bg-secondary)] transition-colors cursor-pointer"
+                @click="openEditModal(user)">
+              <td class="px-4 py-3">
+                <div class="flex items-center gap-2">
+                  <div class="w-8 h-8 rounded-full bg-primary/10 border border-primary/20 flex items-center justify-center text-primary font-semibold text-xs"
+                       x-text="user.display_name ? user.display_name[0].toUpperCase() : user.username[0].toUpperCase()"></div>
+                  <div>
+                    <span class="text-sm font-medium text-[var(--text-primary)]" x-text="user.username"></span>
+                    <template x-if="user.is_admin">
+                      <span class="ml-1.5 inline-flex items-center px-1.5 py-0.5 rounded text-[10px] font-semibold bg-amber-100 dark:bg-amber-900/30 text-amber-700 dark:text-amber-300">Admin</span>
+                    </template>
+                  </div>
+                </div>
+              </td>
+              <td class="px-4 py-3 text-sm text-[var(--text-secondary)] hidden sm:table-cell" x-text="user.display_name"></td>
+              <td class="px-4 py-3 text-sm text-[var(--text-secondary)] hidden md:table-cell" x-text="user.email || '-'"></td>
+              <td class="px-4 py-3">
+                <div class="flex flex-wrap gap-1">
+                  <template x-for="role in user.roles" :key="role">
+                    <span class="inline-flex items-center px-2 py-0.5 rounded-full text-[11px] font-medium"
+                          :class="{
+                            'bg-blue-100 dark:bg-blue-900/30 text-blue-700 dark:text-blue-300': role === 'Maker',
+                            'bg-green-100 dark:bg-green-900/30 text-green-700 dark:text-green-300': role === 'MeasurementTec',
+                            'bg-purple-100 dark:bg-purple-900/30 text-purple-700 dark:text-purple-300': role === 'Metrologist'
+                          }"
+                          x-text="role"></span>
+                  </template>
+                  <template x-if="!user.roles || user.roles.length === 0">
+                    <span class="text-xs text-[var(--text-secondary)]">-</span>
+                  </template>
+                </div>
+              </td>
+              <td class="px-4 py-3 text-center">
+                <span class="inline-flex items-center px-2 py-0.5 rounded-full text-[11px] font-medium"
+                      :class="user.active
+                        ? 'bg-emerald-100 dark:bg-emerald-900/30 text-emerald-700 dark:text-emerald-300'
+                        : 'bg-red-100 dark:bg-red-900/30 text-red-700 dark:text-red-300'"
+                      x-text="user.active ? '{{ _('Attivo') }}' : '{{ _('Disattivato') }}'"></span>
+              </td>
+              <td class="px-4 py-3 text-right" @click.stop>
+                <div class="flex items-center justify-end gap-1">
+                  <button @click="openEditModal(user)" class="p-1.5 rounded-lg text-[var(--text-secondary)] hover:text-primary hover:bg-primary-50 dark:hover:bg-primary-900/20 transition-colors" :title="'{{ _('Modifica') }}'">
+                    <svg class="w-4 h-4" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
+                      <path stroke-linecap="round" stroke-linejoin="round" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"/>
+                    </svg>
+                  </button>
+                  <button @click="toggleActive(user)" class="p-1.5 rounded-lg transition-colors"
+                          :class="user.active
+                            ? 'text-[var(--text-secondary)] hover:text-red-600 hover:bg-red-50 dark:hover:bg-red-900/20'
+                            : 'text-[var(--text-secondary)] hover:text-emerald-600 hover:bg-emerald-50 dark:hover:bg-emerald-900/20'"
+                          :title="user.active ? '{{ _('Disattiva') }}' : '{{ _('Riattiva') }}'">
+                    <svg x-show="user.active" class="w-4 h-4" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
+                      <path stroke-linecap="round" stroke-linejoin="round" d="M18.364 18.364A9 9 0 005.636 5.636m12.728 12.728A9 9 0 015.636 5.636m12.728 12.728L5.636 5.636"/>
+                    </svg>
+                    <svg x-show="!user.active" x-cloak class="w-4 h-4" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
+                      <path stroke-linecap="round" stroke-linejoin="round" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z"/>
+                    </svg>
+                  </button>
+                </div>
+              </td>
+            </tr>
+          </template>
+        </tbody>
+      </table>
+    </div>
+
+    <!-- Empty State -->
+    <template x-if="filteredUsers.length === 0">
+      <div class="px-6 py-12 text-center">
+        <svg class="w-12 h-12 mx-auto text-[var(--text-secondary)] opacity-40" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24">
+          <path stroke-linecap="round" stroke-linejoin="round" d="M15 19.128a9.38 9.38 0 002.625.372 9.337 9.337 0 004.121-.952 4.125 4.125 0 00-7.533-2.493M15 19.128v-.003c0-1.113-.285-2.16-.786-3.07M15 19.128v.106A12.318 12.318 0 018.624 21c-2.331 0-4.512-.645-6.374-1.766l-.001-.109a6.375 6.375 0 0111.964-3.07M12 6.375a3.375 3.375 0 11-6.75 0 3.375 3.375 0 016.75 0zm8.25 2.25a2.625 2.625 0 11-5.25 0 2.625 2.625 0 015.25 0z"/>
+        </svg>
+        <p class="mt-3 text-sm text-[var(--text-secondary)]">{{ _('Nessun utente trovato') }}</p>
+      </div>
+    </template>
+  </div>
+
+  <!-- Count -->
+  <div class="mt-3 text-xs text-[var(--text-secondary)]">
+    <span x-text="filteredUsers.length"></span> {{ _('utenti') }}
+  </div>
+
+  <!-- Modal: Create / Edit User -->
+  <div x-show="showModal" x-cloak
+       class="fixed inset-0 z-50 flex items-center justify-center p-4"
+       @keydown.escape.window="closeModal()">
+    <!-- Backdrop -->
+    <div class="absolute inset-0 bg-black/50" @click="closeModal()"></div>
+
+    <!-- Modal Content -->
+    <div x-show="showModal"
+         x-transition:enter="transition ease-out duration-200"
+         x-transition:enter-start="opacity-0 scale-95"
+         x-transition:enter-end="opacity-100 scale-100"
+         x-transition:leave="transition ease-in duration-150"
+         x-transition:leave-start="opacity-100 scale-100"
+         x-transition:leave-end="opacity-0 scale-95"
+         class="relative bg-[var(--bg-card)] rounded-xl border border-[var(--border-color)] shadow-xl w-full max-w-lg max-h-[90vh] overflow-y-auto">
+
+      <!-- Modal Header -->
+      <div class="flex items-center justify-between px-6 py-4 border-b border-[var(--border-color)]">
+        <h2 class="text-lg font-semibold text-[var(--text-primary)]"
+            x-text="isEditing ? '{{ _('Modifica Utente') }}' : '{{ _('Nuovo Utente') }}'"></h2>
+        <button @click="closeModal()" class="p-1 rounded-lg text-[var(--text-secondary)] hover:bg-[var(--bg-secondary)] transition-colors">
+          <svg class="w-5 h-5" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
+            <path stroke-linecap="round" stroke-linejoin="round" d="M6 18L18 6M6 6l12 12"/>
+          </svg>
+        </button>
+      </div>
+
+      <!-- Modal Body -->
+      <div class="px-6 py-4 space-y-4">
+        <!-- Username -->
+        <div>
+          <label class="block text-sm font-medium text-[var(--text-primary)] mb-1">{{ _('Username') }}</label>
+          <input type="text" x-model="form.username"
+                 :disabled="isEditing"
+                 :class="isEditing ? 'opacity-50 cursor-not-allowed' : ''"
+                 class="w-full px-3 py-2 rounded-lg border border-[var(--border-color)] bg-[var(--bg-card)]
+                        text-sm text-[var(--text-primary)] focus:outline-none focus:ring-2 focus:ring-primary/30 focus:border-primary transition-colors"
+                 placeholder="{{ _('Username') }}">
+          <template x-if="isEditing">
+            <p class="mt-1 text-xs text-[var(--text-secondary)]">{{ _('Il nome utente non può essere modificato') }}</p>
+          </template>
+        </div>
+
+        <!-- Display Name -->
+        <div>
+          <label class="block text-sm font-medium text-[var(--text-primary)] mb-1">{{ _('Nome Visualizzato') }}</label>
+          <input type="text" x-model="form.display_name"
+                 class="w-full px-3 py-2 rounded-lg border border-[var(--border-color)] bg-[var(--bg-card)]
+                        text-sm text-[var(--text-primary)] focus:outline-none focus:ring-2 focus:ring-primary/30 focus:border-primary transition-colors"
+                 placeholder="{{ _('Nome Visualizzato') }}">
+        </div>
+
+        <!-- Email -->
+        <div>
+          <label class="block text-sm font-medium text-[var(--text-primary)] mb-1">{{ _('Email') }}</label>
+          <input type="email" x-model="form.email"
+                 class="w-full px-3 py-2 rounded-lg border border-[var(--border-color)] bg-[var(--bg-card)]
+                        text-sm text-[var(--text-primary)] focus:outline-none focus:ring-2 focus:ring-primary/30 focus:border-primary transition-colors"
+                 placeholder="email@example.com">
+        </div>
+
+        <!-- Password -->
+        <div>
+          <label class="block text-sm font-medium text-[var(--text-primary)] mb-1">
+            {{ _('Password') }}
+            <template x-if="isEditing">
+              <span class="font-normal text-[var(--text-secondary)]"> ({{ _('lascia vuoto per non modificare') }})</span>
+            </template>
+          </label>
+          <input type="password" x-model="form.password"
+                 class="w-full px-3 py-2 rounded-lg border border-[var(--border-color)] bg-[var(--bg-card)]
+                        text-sm text-[var(--text-primary)] focus:outline-none focus:ring-2 focus:ring-primary/30 focus:border-primary transition-colors"
+                 :placeholder="isEditing ? '{{ _('Nuova password (opzionale)') }}' : '{{ _('Password') }}'"
+                 minlength="6">
+        </div>
+
+        <!-- Roles -->
+        <div>
+          <label class="block text-sm font-medium text-[var(--text-primary)] mb-2">{{ _('Ruoli') }}</label>
+          <div class="flex flex-wrap gap-3">
+            <label class="flex items-center gap-2 cursor-pointer">
+              <input type="checkbox" x-model="form.roles" value="Maker"
+                     class="rounded border-[var(--border-color)] text-primary focus:ring-primary/30">
+              <span class="text-sm text-[var(--text-primary)]">Maker</span>
+            </label>
+            <label class="flex items-center gap-2 cursor-pointer">
+              <input type="checkbox" x-model="form.roles" value="MeasurementTec"
+                     class="rounded border-[var(--border-color)] text-primary focus:ring-primary/30">
+              <span class="text-sm text-[var(--text-primary)]">MeasurementTec</span>
+            </label>
+            <label class="flex items-center gap-2 cursor-pointer">
+              <input type="checkbox" x-model="form.roles" value="Metrologist"
+                     class="rounded border-[var(--border-color)] text-primary focus:ring-primary/30">
+              <span class="text-sm text-[var(--text-primary)]">Metrologist</span>
+            </label>
+          </div>
+        </div>
+
+        <!-- Admin + Preferences Row -->
+        <div class="grid grid-cols-1 sm:grid-cols-3 gap-4">
+          <!-- Is Admin -->
+          <div>
+            <label class="flex items-center gap-2 cursor-pointer">
+              <input type="checkbox" x-model="form.is_admin"
+                     class="rounded border-[var(--border-color)] text-primary focus:ring-primary/30">
+              <span class="text-sm font-medium text-[var(--text-primary)]">{{ _('Amministratore') }}</span>
+            </label>
+          </div>
+
+          <!-- Language -->
+          <div>
+            <label class="block text-sm font-medium text-[var(--text-primary)] mb-1">{{ _('Lingua') }}</label>
+            <select x-model="form.language_pref"
+                    class="w-full px-3 py-2 rounded-lg border border-[var(--border-color)] bg-[var(--bg-card)]
+                           text-sm text-[var(--text-primary)] focus:outline-none focus:ring-2 focus:ring-primary/30 focus:border-primary transition-colors">
+              <option value="it">{{ _('Italiano') }}</option>
+              <option value="en">{{ _('English') }}</option>
+            </select>
+          </div>
+
+          <!-- Theme -->
+          <div>
+            <label class="block text-sm font-medium text-[var(--text-primary)] mb-1">{{ _('Tema') }}</label>
+            <select x-model="form.theme_pref"
+                    class="w-full px-3 py-2 rounded-lg border border-[var(--border-color)] bg-[var(--bg-card)]
+                           text-sm text-[var(--text-primary)] focus:outline-none focus:ring-2 focus:ring-primary/30 focus:border-primary transition-colors">
+              <option value="light">{{ _('Chiaro') }}</option>
+              <option value="dark">{{ _('Scuro') }}</option>
+            </select>
+          </div>
+        </div>
+
+        <!-- Error Message -->
+        <template x-if="errorMsg">
+          <div class="px-3 py-2 rounded-lg bg-red-50 dark:bg-red-900/20 border border-red-200 dark:border-red-800">
+            <p class="text-sm text-red-700 dark:text-red-300" x-text="errorMsg"></p>
+          </div>
+        </template>
+      </div>
+
+      <!-- Modal Footer -->
+      <div class="flex items-center justify-end gap-3 px-6 py-4 border-t border-[var(--border-color)]">
+        <button @click="closeModal()"
+                class="px-4 py-2 text-sm font-medium text-[var(--text-secondary)] rounded-lg
+                       hover:bg-[var(--bg-secondary)] transition-colors">
+          {{ _('Annulla') }}
+        </button>
+        <button @click="saveUser()"
+                :disabled="saving"
+                class="px-4 py-2 bg-primary text-white text-sm font-medium rounded-lg
+                       hover:bg-primary-700 transition-colors shadow-sm disabled:opacity-50">
+          <span x-show="!saving" x-text="isEditing ? '{{ _('Salva Modifiche') }}' : '{{ _('Crea Utente') }}'"></span>
+          <span x-show="saving" x-cloak>{{ _('Salvataggio...') }}</span>
+        </button>
+      </div>
+    </div>
+  </div>
+
+  <!-- Confirm Toggle Modal -->
+  <div x-show="showToggleConfirm" x-cloak
+       class="fixed inset-0 z-50 flex items-center justify-center p-4">
+    <div class="absolute inset-0 bg-black/50" @click="showToggleConfirm = false"></div>
+    <div x-show="showToggleConfirm"
+         x-transition
+         class="relative bg-[var(--bg-card)] rounded-xl border border-[var(--border-color)] shadow-xl w-full max-w-sm p-6">
+      <h3 class="text-lg font-semibold text-[var(--text-primary)] mb-2"
+          x-text="toggleUser?.active ? '{{ _('Conferma Disattivazione') }}' : '{{ _('Conferma Riattivazione') }}'"></h3>
+      <p class="text-sm text-[var(--text-secondary)] mb-4">
+        <span x-text="toggleUser?.active
+          ? '{{ _('Sei sicuro di voler disattivare l\'utente') }}'
+          : '{{ _('Sei sicuro di voler riattivare l\'utente') }}'"></span>
+        <strong x-text="toggleUser?.username"></strong>?
+      </p>
+      <div class="flex justify-end gap-3">
+        <button @click="showToggleConfirm = false"
+                class="px-4 py-2 text-sm font-medium text-[var(--text-secondary)] rounded-lg hover:bg-[var(--bg-secondary)] transition-colors">
+          {{ _('Annulla') }}
+        </button>
+        <button @click="confirmToggle()"
+                :disabled="saving"
+                class="px-4 py-2 text-sm font-medium text-white rounded-lg shadow-sm disabled:opacity-50 transition-colors"
+                :class="toggleUser?.active ? 'bg-red-600 hover:bg-red-700' : 'bg-emerald-600 hover:bg-emerald-700'">
+          <span x-text="toggleUser?.active ? '{{ _('Disattiva') }}' : '{{ _('Riattiva') }}'"></span>
+        </button>
+      </div>
+    </div>
+  </div>
+
+</div>
+{% endblock %}
+
+{% block extra_js %}
+<script>
+function userManagement(initialUsers) {
+  return {
+    users: initialUsers || [],
+    search: '',
+    showModal: false,
+    showToggleConfirm: false,
+    isEditing: false,
+    editingUserId: null,
+    toggleUser: null,
+    saving: false,
+    errorMsg: '',
+    form: {
+      username: '',
+      display_name: '',
+      email: '',
+      password: '',
+      roles: [],
+      is_admin: false,
+      language_pref: 'it',
+      theme_pref: 'light'
+    },
+
+    get csrfToken() {
+      const meta = document.querySelector('meta[name=csrf-token]');
+      return meta ? meta.content : '';
+    },
+
+    get filteredUsers() {
+      if (!this.search.trim()) return this.users;
+      const q = this.search.toLowerCase();
+      return this.users.filter(u =>
+        u.username.toLowerCase().includes(q) ||
+        (u.display_name && u.display_name.toLowerCase().includes(q)) ||
+        (u.email && u.email.toLowerCase().includes(q)) ||
+        (u.roles && u.roles.some(r => r.toLowerCase().includes(q)))
+      );
+    },
+
+    openCreateModal() {
+      this.isEditing = false;
+      this.editingUserId = null;
+      this.errorMsg = '';
+      this.form = {
+        username: '',
+        display_name: '',
+        email: '',
+        password: '',
+        roles: [],
+        is_admin: false,
+        language_pref: 'it',
+        theme_pref: 'light'
+      };
+      this.showModal = true;
+    },
+
+    openEditModal(user) {
+      this.isEditing = true;
+      this.editingUserId = user.id;
+      this.errorMsg = '';
+      this.form = {
+        username: user.username,
+        display_name: user.display_name || '',
+        email: user.email || '',
+        password: '',
+        roles: [...(user.roles || [])],
+        is_admin: user.is_admin || false,
+        language_pref: user.language_pref || 'it',
+        theme_pref: user.theme_pref || 'light'
+      };
+      this.showModal = true;
+    },
+
+    closeModal() {
+      this.showModal = false;
+      this.errorMsg = '';
+    },
+
+    async saveUser() {
+      this.saving = true;
+      this.errorMsg = '';
+
+      try {
+        if (this.isEditing) {
+          // Update user
+          const data = {
+            display_name: this.form.display_name,
+            email: this.form.email || null,
+            roles: this.form.roles,
+            is_admin: this.form.is_admin,
+            language_pref: this.form.language_pref,
+            theme_pref: this.form.theme_pref
+          };
+
+          const resp = await fetch(`/admin/api/users/${this.editingUserId}`, {
+            method: 'PUT',
+            headers: { 'Content-Type': 'application/json', 'X-CSRFToken': this.csrfToken },
+            body: JSON.stringify(data)
+          });
+
+          const result = await resp.json();
+          if (!resp.ok) {
+            this.errorMsg = result.detail || 'Errore nel salvataggio';
+            return;
+          }
+
+          // Update local array
+          const idx = this.users.findIndex(u => u.id === this.editingUserId);
+          if (idx >= 0) this.users[idx] = result;
+
+          // Change password if provided
+          if (this.form.password) {
+            const pwResp = await fetch(`/admin/api/users/${this.editingUserId}/password`, {
+              method: 'PUT',
+              headers: { 'Content-Type': 'application/json', 'X-CSRFToken': this.csrfToken },
+              body: JSON.stringify({ password: this.form.password })
+            });
+            if (!pwResp.ok) {
+              const pwResult = await pwResp.json();
+              this.errorMsg = pwResult.detail || 'Errore nel cambio password';
+              return;
+            }
+          }
+        } else {
+          // Create user
+          if (!this.form.username || !this.form.display_name || !this.form.password) {
+            this.errorMsg = '{{ _("Username, nome visualizzato e password sono obbligatori") }}';
+            return;
+          }
+
+          const data = {
+            username: this.form.username,
+            password: this.form.password,
+            display_name: this.form.display_name,
+            email: this.form.email || null,
+            roles: this.form.roles,
+            is_admin: this.form.is_admin,
+            language_pref: this.form.language_pref,
+            theme_pref: this.form.theme_pref
+          };
+
+          const resp = await fetch('/admin/api/users', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json', 'X-CSRFToken': this.csrfToken },
+            body: JSON.stringify(data)
+          });
+
+          const result = await resp.json();
+          if (!resp.ok) {
+            this.errorMsg = result.detail || 'Errore nella creazione';
+            return;
+          }
+
+          this.users.push(result);
+        }
+
+        this.closeModal();
+      } catch (e) {
+        this.errorMsg = '{{ _("Errore di connessione al server") }}';
+      } finally {
+        this.saving = false;
+      }
+    },
+
+    toggleActive(user) {
+      this.toggleUser = user;
+      this.showToggleConfirm = true;
+    },
+
+    async confirmToggle() {
+      if (!this.toggleUser) return;
+      this.saving = true;
+
+      try {
+        const newActive = !this.toggleUser.active;
+        const resp = await fetch(`/admin/api/users/${this.toggleUser.id}/toggle-active`, {
+          method: 'POST',
+          headers: { 'Content-Type': 'application/json', 'X-CSRFToken': this.csrfToken },
+          body: JSON.stringify({ active: newActive })
+        });
+
+        const result = await resp.json();
+        if (!resp.ok) {
+          alert(result.detail || 'Errore');
+          return;
+        }
+
+        // Update local array
+        const idx = this.users.findIndex(u => u.id === this.toggleUser.id);
+        if (idx >= 0) this.users[idx] = result;
+
+        this.showToggleConfirm = false;
+        this.toggleUser = null;
+      } catch (e) {
+        alert('{{ _("Errore di connessione al server") }}');
+      } finally {
+        this.saving = false;
+      }
+    }
+  };
+}
+</script>
+{% endblock %}

client/templates/components/navbar.html

@@ -73,6 +73,22 @@
         </a>
         {% endif %}
 
+        {# Admin: Utenti #}
+        {% if current_user.get('is_admin') %}
+        <a href="{{ url_for('admin.user_list') }}"
+           class="nav-link group flex items-center gap-2 px-3 py-2 rounded-lg text-sm font-medium
+                  text-[var(--text-secondary)] hover:text-primary hover:bg-primary-50 dark:hover:bg-primary-900/20
+                  transition-colors duration-200
+                  {% if request.endpoint and request.endpoint.startswith('admin.') %}
+                    text-primary bg-primary-50 dark:bg-primary-900/20
+                  {% endif %}">
+          <!-- Users Icon -->
+          <svg class="w-4.5 h-4.5" fill="none" stroke="currentColor" stroke-width="1.75" viewBox="0 0 24 24">
+            <path stroke-linecap="round" stroke-linejoin="round" d="M15 19.128a9.38 9.38 0 002.625.372 9.337 9.337 0 004.121-.952 4.125 4.125 0 00-7.533-2.493M15 19.128v-.003c0-1.113-.285-2.16-.786-3.07M15 19.128v.106A12.318 12.318 0 018.624 21c-2.331 0-4.512-.645-6.374-1.766l-.001-.109a6.375 6.375 0 0111.964-3.07M12 6.375a3.375 3.375 0 11-6.75 0 3.375 3.375 0 016.75 0zm8.25 2.25a2.625 2.625 0 11-5.25 0 2.625 2.625 0 015.25 0z"/>
+          </svg>
+          <span>{{ _('Utenti') }}</span>
+        </a>
+        {% endif %}
 
       </div>
       {% endif %}
@@ -248,6 +264,18 @@
       </a>
       {% endif %}
 
+      {# Admin: Utenti #}
+      {% if current_user.get('is_admin') %}
+      <a href="{{ url_for('admin.user_list') }}"
+         class="flex items-center gap-3 px-3 py-2.5 rounded-lg text-sm font-medium
+                text-[var(--text-secondary)] hover:text-primary hover:bg-primary-50 dark:hover:bg-primary-900/20
+                transition-colors">
+        <svg class="w-5 h-5" fill="none" stroke="currentColor" stroke-width="1.75" viewBox="0 0 24 24">
+          <path stroke-linecap="round" stroke-linejoin="round" d="M15 19.128a9.38 9.38 0 002.625.372 9.337 9.337 0 004.121-.952 4.125 4.125 0 00-7.533-2.493M15 19.128v-.003c0-1.113-.285-2.16-.786-3.07M15 19.128v.106A12.318 12.318 0 018.624 21c-2.331 0-4.512-.645-6.374-1.766l-.001-.109a6.375 6.375 0 0111.964-3.07M12 6.375a3.375 3.375 0 11-6.75 0 3.375 3.375 0 016.75 0zm8.25 2.25a2.625 2.625 0 11-5.25 0 2.625 2.625 0 015.25 0z"/>
+        </svg>
+        {{ _('Utenti') }}
+      </a>
+      {% endif %}
 
     </div>
   </div>

client/translations/en/LC_MESSAGES/messages.po

@@ -1605,6 +1605,108 @@ msgstr "Select a measurement point for the histogram"
 msgid "Errore nella generazione del report"
 msgstr "Error generating report"
 
+# Admin - User Management
+#: blueprints/admin.py:18
+msgid "Accesso non autorizzato"
+msgstr "Unauthorized access"
+
+#: blueprints/admin.py:36
+#, python-format
+msgid "Errore nel caricamento degli utenti: %(error)s"
+msgstr "Error loading users: %(error)s"
+
+#: templates/admin/users.html:3 templates/admin/users.html:13
+msgid "Gestione Utenti"
+msgstr "User Management"
+
+#: templates/admin/users.html:14
+msgid "Crea, modifica e gestisci gli utenti del sistema"
+msgstr "Create, edit and manage system users"
+
+#: templates/admin/users.html:25
+msgid "Cerca utente..."
+msgstr "Search user..."
+
+#: templates/admin/users.html:38
+msgid "Nuovo Utente"
+msgstr "New User"
+
+#: templates/admin/users.html:50
+msgid "Email"
+msgstr "Email"
+
+#: templates/admin/users.html:95
+msgid "Attivo"
+msgstr "Active"
+
+#: templates/admin/users.html:95 templates/admin/users.html:323
+msgid "Disattivato"
+msgstr "Deactivated"
+
+#: templates/admin/users.html:108
+msgid "Disattiva"
+msgstr "Deactivate"
+
+#: templates/admin/users.html:108 templates/admin/users.html:323
+msgid "Riattiva"
+msgstr "Reactivate"
+
+#: templates/admin/users.html:130
+msgid "Nessun utente trovato"
+msgstr "No users found"
+
+#: templates/admin/users.html:137
+msgid "utenti"
+msgstr "users"
+
+#: templates/admin/users.html:160
+msgid "Modifica Utente"
+msgstr "Edit User"
+
+#: templates/admin/users.html:292
+msgid "Crea Utente"
+msgstr "Create User"
+
+#: templates/admin/users.html:207
+msgid "lascia vuoto per non modificare"
+msgstr "leave empty to keep unchanged"
+
+#: templates/admin/users.html:213
+msgid "Nuova password (opzionale)"
+msgstr "New password (optional)"
+
+#: templates/admin/users.html:246
+msgid "Amministratore"
+msgstr "Administrator"
+
+#: templates/admin/users.html:252
+msgid "Lingua"
+msgstr "Language"
+
+#: templates/admin/users.html:263
+msgid "Tema"
+msgstr "Theme"
+
+#: templates/admin/users.html:307
+msgid "Conferma Disattivazione"
+msgstr "Confirm Deactivation"
+
+#: templates/admin/users.html:307
+msgid "Conferma Riattivazione"
+msgstr "Confirm Reactivation"
+
+#: templates/admin/users.html:310
+msgid "Sei sicuro di voler disattivare l'utente"
+msgstr "Are you sure you want to deactivate user"
+
+#: templates/admin/users.html:311
+msgid "Sei sicuro di voler riattivare l'utente"
+msgstr "Are you sure you want to reactivate user"
+
+#: templates/admin/users.html:459
+msgid "Username, nome visualizzato e password sono obbligatori"
+msgstr "Username, display name and password are required"
+
 #~ msgid "Esci"
 #~ msgstr "Logout"
 

client/translations/it/LC_MESSAGES/messages.po

@@ -1635,6 +1635,108 @@ msgstr "Seleziona un punto di misura per l'istogramma"
 msgid "Errore nella generazione del report"
 msgstr "Errore nella generazione del report"
 
+# Admin - User Management
+#: blueprints/admin.py:18
+msgid "Accesso non autorizzato"
+msgstr "Accesso non autorizzato"
+
+#: blueprints/admin.py:36
+#, python-format
+msgid "Errore nel caricamento degli utenti: %(error)s"
+msgstr "Errore nel caricamento degli utenti: %(error)s"
+
+#: templates/admin/users.html:3 templates/admin/users.html:13
+msgid "Gestione Utenti"
+msgstr "Gestione Utenti"
+
+#: templates/admin/users.html:14
+msgid "Crea, modifica e gestisci gli utenti del sistema"
+msgstr "Crea, modifica e gestisci gli utenti del sistema"
+
+#: templates/admin/users.html:25
+msgid "Cerca utente..."
+msgstr "Cerca utente..."
+
+#: templates/admin/users.html:38
+msgid "Nuovo Utente"
+msgstr "Nuovo Utente"
+
+#: templates/admin/users.html:50
+msgid "Email"
+msgstr "Email"
+
+#: templates/admin/users.html:95
+msgid "Attivo"
+msgstr "Attivo"
+
+#: templates/admin/users.html:95 templates/admin/users.html:323
+msgid "Disattivato"
+msgstr "Disattivato"
+
+#: templates/admin/users.html:108
+msgid "Disattiva"
+msgstr "Disattiva"
+
+#: templates/admin/users.html:108 templates/admin/users.html:323
+msgid "Riattiva"
+msgstr "Riattiva"
+
+#: templates/admin/users.html:130
+msgid "Nessun utente trovato"
+msgstr "Nessun utente trovato"
+
+#: templates/admin/users.html:137
+msgid "utenti"
+msgstr "utenti"
+
+#: templates/admin/users.html:160
+msgid "Modifica Utente"
+msgstr "Modifica Utente"
+
+#: templates/admin/users.html:292
+msgid "Crea Utente"
+msgstr "Crea Utente"
+
+#: templates/admin/users.html:207
+msgid "lascia vuoto per non modificare"
+msgstr "lascia vuoto per non modificare"
+
+#: templates/admin/users.html:213
+msgid "Nuova password (opzionale)"
+msgstr "Nuova password (opzionale)"
+
+#: templates/admin/users.html:246
+msgid "Amministratore"
+msgstr "Amministratore"
+
+#: templates/admin/users.html:252
+msgid "Lingua"
+msgstr "Lingua"
+
+#: templates/admin/users.html:263
+msgid "Tema"
+msgstr "Tema"
+
+#: templates/admin/users.html:307
+msgid "Conferma Disattivazione"
+msgstr "Conferma Disattivazione"
+
+#: templates/admin/users.html:307
+msgid "Conferma Riattivazione"
+msgstr "Conferma Riattivazione"
+
+#: templates/admin/users.html:310
+msgid "Sei sicuro di voler disattivare l'utente"
+msgstr "Sei sicuro di voler disattivare l'utente"
+
+#: templates/admin/users.html:311
+msgid "Sei sicuro di voler riattivare l'utente"
+msgstr "Sei sicuro di voler riattivare l'utente"
+
+#: templates/admin/users.html:459
+msgid "Username, nome visualizzato e password sono obbligatori"
+msgstr "Username, nome visualizzato e password sono obbligatori"
+
 #~ msgid "Esci"
 #~ msgstr "Esci"