diff --git a/open_workshop_report/__init__.py b/open_workshop_report/__init__.py
new file mode 100644
index 0000000..55ec7fc
--- /dev/null
+++ b/open_workshop_report/__init__.py
@@ -0,0 +1,2 @@
+from . import models
+from . import reports
diff --git a/open_workshop_report/__manifest__.py b/open_workshop_report/__manifest__.py
new file mode 100644
index 0000000..f720958
--- /dev/null
+++ b/open_workshop_report/__manifest__.py
@@ -0,0 +1,39 @@
+{
+    'name': 'Open Workshop Reports',
+    'license': 'AGPL-3',
+    'version': '18.0.1.0.0',
+    'summary': 'Nutzungsstatistiken und Reports für Open Workshop',
+    'description': """
+        Open Workshop Reports
+        =====================
+        
+        Dieses Modul bietet:
+        - Dashboard mit Nutzungsstatistiken
+        - Pivot-Tabellen und Diagramme für POS Sessions
+        - Monatliche/Historische Auswertungen
+        - PDF-Reports für Team-Meetings
+    """,
+    'depends': [
+        'base',
+        'point_of_sale',
+        'open_workshop_pos',
+    ],
+    'author': 'matthias.lotz',
+    'category': 'Point of Sale',
+    'data': [
+        'security/ir.model.access.csv',
+        'data/cron_data.xml',
+        'views/dashboard_views.xml',
+        'views/usage_stats_views.xml',
+        'reports/usage_report_templates.xml',
+        'reports/usage_reports.xml',
+    ],
+    'assets': {
+        'web.assets_backend': [
+            'open_workshop_report/static/src/css/dashboard.css',
+        ],
+    },
+    'installable': True,
+    'application': False,
+    'auto_install': False,
+}
diff --git a/open_workshop_report/data/cron_data.xml b/open_workshop_report/data/cron_data.xml
new file mode 100644
index 0000000..ca66070
--- /dev/null
+++ b/open_workshop_report/data/cron_data.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <!-- Cron Job: Generate Monthly Usage Statistics -->
+    <record id="ir_cron_generate_usage_stats" model="ir.cron">
+        <field name="name">Generate Monthly Usage Statistics</field>
+        <field name="model_id" ref="model_open_workshop_usage_stats"/>
+        <field name="state">code</field>
+        <field name="code">model.cron_generate_monthly_stats()</field>
+        <field name="interval_number">1</field>
+        <field name="interval_type">months</field>
+        <field name="active" eval="True"/>
+    </record>
+</odoo>
diff --git a/open_workshop_report/generate_stats.py b/open_workshop_report/generate_stats.py
new file mode 100644
index 0000000..f9af704
--- /dev/null
+++ b/open_workshop_report/generate_stats.py
@@ -0,0 +1,104 @@
+#!/usr/bin/env python3
+"""
+Skript zum Generieren von Nutzungsstatistiken aus vorhandenen POS-Sessions
+Aufruf: docker compose exec odoo-dev python3 /mnt/extra-addons/open_workshop/open_workshop_report/generate_stats.py
+"""
+
+import sys
+sys.path.insert(0, '/usr/lib/python3/dist-packages')
+
+import odoo
+from odoo import api, SUPERUSER_ID
+from datetime import datetime, timedelta
+from dateutil.relativedelta import relativedelta
+
+# Konfiguration
+DB_NAME = 'hh18'
+CONFIG_FILE = '/etc/odoo/odoo-dev.conf'
+
+# Odoo initialisieren
+odoo.tools.config.parse_config(['-c', CONFIG_FILE])
+odoo.cli.server.report_configuration()
+
+# Registry laden
+registry = odoo.registry(DB_NAME)
+
+def generate_monthly_stats():
+    """Generiert monatliche Statistiken für die letzten 12 Monate"""
+    with registry.cursor() as cr:
+        env = api.Environment(cr, SUPERUSER_ID, {})
+        
+        UsageStats = env['open_workshop.usage.stats']
+        
+        # Finde älteste und neueste Session
+        cr.execute("""
+            SELECT MIN(start_at), MAX(stop_at) 
+            FROM pos_session 
+            WHERE state = 'closed'
+        """)
+        result = cr.fetchone()
+        
+        if not result or not result[0]:
+            print("Keine geschlossenen POS-Sessions gefunden!")
+            return
+        
+        oldest_date = result[0]
+        newest_date = result[1] or datetime.now()
+        
+        print(f"Generiere Statistiken von {oldest_date} bis {newest_date}")
+        
+        # Generiere Statistiken für jeden Monat
+        current_date = oldest_date.replace(day=1)
+        end_date = newest_date.replace(day=1)
+        
+        stats_created = 0
+        
+        while current_date <= end_date:
+            period_start = current_date
+            period_end = (current_date + relativedelta(months=1)) - timedelta(seconds=1)
+            period_name = current_date.strftime('%B %Y')
+            
+            # Prüfe ob Statistik bereits existiert
+            existing = UsageStats.search([
+                ('period_start', '=', period_start),
+                ('period_type', '=', 'month')
+            ], limit=1)
+            
+            if not existing:
+                # Finde alle Sessions in diesem Monat
+                sessions = env['pos.session'].search([
+                    ('state', '=', 'closed'),
+                    ('start_at', '>=', period_start),
+                    ('start_at', '<=', period_end)
+                ])
+                
+                if sessions:
+                    # Erstelle Statistik
+                    UsageStats.create({
+                        'period_name': period_name,
+                        'period_type': 'month',
+                        'period_start': period_start,
+                        'period_end': period_end,
+                        'session_ids': [(6, 0, sessions.ids)]
+                    })
+                    stats_created += 1
+                    print(f"✓ {period_name}: {len(sessions)} Sessions")
+                else:
+                    print(f"- {period_name}: Keine Sessions")
+            else:
+                print(f"→ {period_name}: Bereits vorhanden")
+            
+            # Nächster Monat
+            current_date = current_date + relativedelta(months=1)
+        
+        cr.commit()
+        print(f"\n✅ {stats_created} Statistik-Einträge erstellt!")
+
+if __name__ == '__main__':
+    try:
+        generate_monthly_stats()
+    except Exception as e:
+        print(f"❌ Fehler: {e}")
+        import traceback
+        traceback.print_exc()
+        sys.exit(1)
diff --git a/open_workshop_report/models/__init__.py b/open_workshop_report/models/__init__.py
new file mode 100644
index 0000000..7281618
--- /dev/null
+++ b/open_workshop_report/models/__init__.py
@@ -0,0 +1 @@
+from . import usage_stats
diff --git a/open_workshop_report/models/usage_stats.py b/open_workshop_report/models/usage_stats.py
new file mode 100644
index 0000000..cec7926
--- /dev/null
+++ b/open_workshop_report/models/usage_stats.py
@@ -0,0 +1,114 @@
+# -*- coding: utf-8 -*-
+from odoo import api, fields, models, _
+from datetime import datetime, timedelta
+from dateutil.relativedelta import relativedelta
+
+
+class UsageStats(models.Model):
+    """Nutzungsstatistiken für Open Workshop"""
+    _name = 'open_workshop.usage.stats'
+    _description = 'Open Workshop Nutzungsstatistiken'
+    _order = 'period_start desc'
+    _rec_name = 'period_name'
+
+    period_name = fields.Char('Zeitraum', compute='_compute_period_name', store=True)
+    period_start = fields.Date('Beginn', required=True)
+    period_end = fields.Date('Ende', required=True)
+    period_type = fields.Selection([
+        ('day', 'Tag'),
+        ('week', 'Woche'),
+        ('month', 'Monat'),
+        ('quarter', 'Quartal'),
+        ('year', 'Jahr'),
+    ], string='Periodentyp', default='month', required=True)
+    
+    # Statistiken
+    total_sessions = fields.Integer('Gesamt Nutzungen', compute='_compute_stats', store=True)
+    total_revenue = fields.Monetary('Gesamtumsatz', compute='_compute_stats', store=True, currency_field='currency_id')
+    avg_per_day = fields.Float('Durchschnitt pro Tag', compute='_compute_stats', store=True, digits=(5, 2))
+    unique_users = fields.Integer('Einzigartige Nutzer', compute='_compute_stats', store=True)
+    
+    currency_id = fields.Many2one('res.currency', string='Währung', 
+                                   default=lambda self: self.env.company.currency_id)
+    
+    # POS Session IDs für diese Periode
+    session_ids = fields.Many2many('pos.session', string='POS Sessions', compute='_compute_stats', store=True)
+
+    @api.depends('period_start', 'period_end', 'period_type')
+    def _compute_period_name(self):
+        for record in self:
+            if record.period_type == 'month':
+                record.period_name = record.period_start.strftime('%B %Y')
+            elif record.period_type == 'week':
+                record.period_name = f"KW {record.period_start.strftime('%W/%Y')}"
+            elif record.period_type == 'day':
+                record.period_name = record.period_start.strftime('%d.%m.%Y')
+            else:
+                record.period_name = f"{record.period_start.strftime('%d.%m.%Y')} - {record.period_end.strftime('%d.%m.%Y')}"
+
+    @api.depends('period_start', 'period_end')
+    def _compute_stats(self):
+        for record in self:
+            # Konvertiere Date zu Datetime für die Suche
+            start_datetime = datetime.combine(record.period_start, datetime.min.time())
+            end_datetime = datetime.combine(record.period_end, datetime.max.time())
+            
+            # Suche alle POS Sessions in diesem Zeitraum
+            sessions = self.env['pos.session'].search([
+                ('start_at', '>=', start_datetime),
+                ('start_at', '<=', end_datetime),
+                ('state', 'in', ['closed', 'closing_control']),
+            ])
+            
+            record.session_ids = sessions
+            record.total_sessions = len(sessions)
+            record.total_revenue = sum(sessions.mapped('total_payments_amount'))
+            
+            # Berechne Durchschnitt pro Tag
+            days = (record.period_end - record.period_start).days + 1
+            record.avg_per_day = record.total_sessions / days if days > 0 else 0.0
+            
+            # Einzigartige Nutzer (über POS Orders)
+            orders = self.env['pos.order'].search([
+                ('session_id', 'in', sessions.ids),
+                ('partner_id', '!=', False),
+            ])
+            record.unique_users = len(orders.mapped('partner_id'))
+
+    @api.model
+    def generate_monthly_stats(self, year=None, month=None):
+        """Generiere Statistiken für einen bestimmten Monat"""
+        if not year:
+            year = datetime.now().year
+        if not month:
+            month = datetime.now().month
+        
+        # Berechne Start und Ende des Monats
+        period_start = datetime(year, month, 1).date()
+        if month == 12:
+            period_end = datetime(year + 1, 1, 1).date() - timedelta(days=1)
+        else:
+            period_end = datetime(year, month + 1, 1).date() - timedelta(days=1)
+        
+        # Suche oder erstelle Statistik-Eintrag
+        stats = self.search([
+            ('period_start', '=', period_start),
+            ('period_end', '=', period_end),
+            ('period_type', '=', 'month'),
+        ], limit=1)
+        
+        if not stats:
+            stats = self.create({
+                'period_start': period_start,
+                'period_end': period_end,
+                'period_type': 'month',
+            })
+        
+        return stats
+
+    @api.model
+    def cron_generate_monthly_stats(self):
+        """Cron-Job: Generiere Statistiken für letzten Monat"""
+        today = datetime.now()
+        last_month = today - relativedelta(months=1)
+        self.generate_monthly_stats(last_month.year, last_month.month)
diff --git a/open_workshop_report/reports/__init__.py b/open_workshop_report/reports/__init__.py
new file mode 100644
index 0000000..cffe1ae
--- /dev/null
+++ b/open_workshop_report/reports/__init__.py
@@ -0,0 +1,2 @@
+# -*- coding: utf-8 -*-
+# Reports are loaded via XML data files
diff --git a/open_workshop_report/reports/usage_report_templates.xml b/open_workshop_report/reports/usage_report_templates.xml
new file mode 100644
index 0000000..a95f833
--- /dev/null
+++ b/open_workshop_report/reports/usage_report_templates.xml
@@ -0,0 +1,121 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <!-- Main Report Template -->
+    <template id="usage_report_document">
+        <t t-call="web.html_container">
+            <t t-foreach="docs" t-as="o">
+                <t t-call="web.external_layout">
+                    <div class="page">
+                        <!-- Header -->
+                        <div class="text-center mb-4">
+                            <h2>Nutzungsstatistik Hobbyhimmel</h2>
+                            <h3 t-field="o.period_name"/>
+                            <p class="text-muted">
+                                <span t-field="o.period_start"/> bis <span t-field="o.period_end"/>
+                            </p>
+                        </div>
+
+                        <!-- KPI Summary Boxes -->
+                        <div class="row mb-4">
+                            <div class="col-3">
+                                <div class="card text-center">
+                                    <div class="card-body">
+                                        <h1 class="text-primary"><t t-esc="o.total_sessions"/></h1>
+                                        <p class="text-muted">Gesamt Nutzungen</p>
+                                    </div>
+                                </div>
+                            </div>
+                            <div class="col-3">
+                                <div class="card text-center">
+                                    <div class="card-body">
+                                        <h1 class="text-success"><t t-esc="'%.1f' % o.avg_per_day"/></h1>
+                                        <p class="text-muted">⌀ pro Tag</p>
+                                    </div>
+                                </div>
+                            </div>
+                            <div class="col-3">
+                                <div class="card text-center">
+                                    <div class="card-body">
+                                        <h1 class="text-info"><t t-esc="o.unique_users"/></h1>
+                                        <p class="text-muted">Einz. Nutzer</p>
+                                    </div>
+                                </div>
+                            </div>
+                            <div class="col-3">
+                                <div class="card text-center">
+                                    <div class="card-body">
+                                        <h1 class="text-warning">
+                                            <t t-esc="'%.2f' % o.total_revenue"/> 
+                                            <t t-esc="o.currency_id.symbol"/>
+                                        </h1>
+                                        <p class="text-muted">Umsatz</p>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+
+                        <!-- Chart Placeholder -->
+                        <div class="row mb-4">
+                            <div class="col-12">
+                                <h4>Nutzungsverlauf</h4>
+                                <div class="alert alert-info">
+                                    <i class="fa fa-info-circle"/> 
+                                    Für detaillierte Diagramme öffnen Sie bitte die Dashboard-Ansicht in Odoo.
+                                </div>
+                            </div>
+                        </div>
+
+                        <!-- Sessions Table -->
+                        <div class="row">
+                            <div class="col-12">
+                                <h4>POS Sessions Detail</h4>
+                                <table class="table table-sm table-bordered">
+                                    <thead class="table-primary">
+                                        <tr>
+                                            <th>Session</th>
+                                            <th>Start</th>
+                                            <th>Ende</th>
+                                            <th>Benutzer</th>
+                                            <th class="text-end">Umsatz</th>
+                                        </tr>
+                                    </thead>
+                                    <tbody>
+                                        <tr t-foreach="o.session_ids" t-as="session">
+                                            <td><span t-field="session.name"/></td>
+                                            <td><span t-field="session.start_at" t-options="{'widget': 'datetime'}"/></td>
+                                            <td><span t-field="session.stop_at" t-options="{'widget': 'datetime'}"/></td>
+                                            <td><span t-field="session.user_id"/></td>
+                                            <td class="text-end">
+                                                <span t-field="session.total_payments_amount" 
+                                                      t-options="{'widget': 'monetary', 'display_currency': o.currency_id}"/>
+                                            </td>
+                                        </tr>
+                                    </tbody>
+                                    <tfoot>
+                                        <tr class="table-secondary">
+                                            <th colspan="4" class="text-end">Gesamt:</th>
+                                            <th class="text-end">
+                                                <span t-field="o.total_revenue" 
+                                                      t-options="{'widget': 'monetary', 'display_currency': o.currency_id}"/>
+                                            </th>
+                                        </tr>
+                                    </tfoot>
+                                </table>
+                            </div>
+                        </div>
+
+                        <!-- Footer -->
+                        <div class="row mt-4">
+                            <div class="col-12 text-center text-muted">
+                                <small>
+                                    Generiert am <span t-esc="context_timestamp(datetime.datetime.now()).strftime('%d.%m.%Y %H:%M')"/>
+                                </small>
+                            </div>
+                        </div>
+                    </div>
+                </t>
+            </t>
+        </t>
+    </template>
+
+</odoo>
diff --git a/open_workshop_report/reports/usage_reports.xml b/open_workshop_report/reports/usage_reports.xml
new file mode 100644
index 0000000..ea1868d
--- /dev/null
+++ b/open_workshop_report/reports/usage_reports.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <!-- PDF Report Definition -->
+    <record id="action_usage_report_pdf" model="ir.actions.report">
+        <field name="name">Nutzungsstatistik PDF</field>
+        <field name="model">open_workshop.usage.stats</field>
+        <field name="report_type">qweb-pdf</field>
+        <field name="report_name">open_workshop_report.usage_report_document</field>
+        <field name="report_file">open_workshop_report.usage_report_document</field>
+        <field name="binding_model_id" ref="model_open_workshop_usage_stats"/>
+        <field name="binding_type">report</field>
+    </record>
+</odoo>
diff --git a/open_workshop_report/security/ir.model.access.csv b/open_workshop_report/security/ir.model.access.csv
new file mode 100644
index 0000000..33298c9
--- /dev/null
+++ b/open_workshop_report/security/ir.model.access.csv
@@ -0,0 +1,3 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_usage_stats_user,access.usage.stats.user,model_open_workshop_usage_stats,base.group_user,1,0,0,0
+access_usage_stats_manager,access.usage.stats.manager,model_open_workshop_usage_stats,point_of_sale.group_pos_manager,1,1,1,1
diff --git a/open_workshop_report/static/src/css/dashboard.css b/open_workshop_report/static/src/css/dashboard.css
new file mode 100644
index 0000000..baad973
--- /dev/null
+++ b/open_workshop_report/static/src/css/dashboard.css
@@ -0,0 +1,66 @@
+/* Dashboard Styling for Open Workshop Usage Stats */
+
+.o_dashboard {
+    background: #f9f9f9;
+    padding: 20px;
+}
+
+.o_dashboard .o_aggregate {
+    background: white;
+    border-radius: 8px;
+    padding: 20px;
+    margin: 10px;
+    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
+    text-align: center;
+    transition: transform 0.2s;
+}
+
+.o_dashboard .o_aggregate:hover {
+    transform: translateY(-5px);
+    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
+}
+
+.o_dashboard .o_aggregate .o_value {
+    font-size: 2.5em;
+    font-weight: bold;
+    margin-bottom: 5px;
+}
+
+.o_dashboard .o_aggregate .o_label {
+    color: #666;
+    font-size: 0.9em;
+    text-transform: uppercase;
+    letter-spacing: 1px;
+}
+
+.o_dashboard .o_aggregate.total_sessions .o_value {
+    color: #0066cc;
+}
+
+.o_dashboard .o_aggregate.avg_per_day .o_value {
+    color: #28a745;
+}
+
+.o_dashboard .o_aggregate.unique_users .o_value {
+    color: #17a2b8;
+}
+
+.o_dashboard .o_aggregate.total_revenue .o_value {
+    color: #ffc107;
+}
+
+.o_dashboard .o_graph_view,
+.o_dashboard .o_pivot_view {
+    background: white;
+    border-radius: 8px;
+    padding: 20px;
+    margin: 10px;
+    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
+}
+
+.o_dashboard h3 {
+    color: #333;
+    border-bottom: 2px solid #0066cc;
+    padding-bottom: 10px;
+    margin-bottom: 20px;
+}
diff --git a/open_workshop_report/views/dashboard_views.xml b/open_workshop_report/views/dashboard_views.xml
new file mode 100644
index 0000000..43f99fe
--- /dev/null
+++ b/open_workshop_report/views/dashboard_views.xml
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <!-- Kanban Dashboard View -->
+    <record id="view_usage_dashboard" model="ir.ui.view">
+        <field name="name">open_workshop.usage.dashboard</field>
+        <field name="model">open_workshop.usage.stats</field>
+        <field name="arch" type="xml">
+            <kanban class="o_kanban_dashboard">
+                <field name="total_sessions"/>
+                <field name="avg_per_day"/>
+                <field name="unique_users"/>
+                <field name="total_revenue"/>
+                <field name="period_name"/>
+                <templates>
+                    <t t-name="kanban-box">
+                        <div class="oe_kanban_global_click">
+                            <div class="o_kanban_record_top">
+                                <strong><field name="period_name"/></strong>
+                            </div>
+                            <div class="o_kanban_record_body">
+                                <div class="row">
+                                    <div class="col-6">
+                                        <div class="text-muted">Nutzungen</div>
+                                        <strong><field name="total_sessions"/></strong>
+                                    </div>
+                                    <div class="col-6">
+                                        <div class="text-muted">⌀/Tag</div>
+                                        <strong><field name="avg_per_day"/></strong>
+                                    </div>
+                                </div>
+                                <div class="row mt-2">
+                                    <div class="col-6">
+                                        <div class="text-muted">Nutzer</div>
+                                        <strong><field name="unique_users"/></strong>
+                                    </div>
+                                    <div class="col-6">
+                                        <div class="text-muted">Umsatz</div>
+                                        <strong><field name="total_revenue" widget="monetary"/></strong>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                    </t>
+                </templates>
+            </kanban>
+        </field>
+    </record>
+
+    <!-- Dashboard Action -->
+    <record id="action_usage_dashboard" model="ir.actions.act_window">
+        <field name="name">Nutzungs-Dashboard</field>
+        <field name="res_model">open_workshop.usage.stats</field>
+        <field name="view_mode">kanban,graph,pivot</field>
+        <field name="view_id" ref="view_usage_dashboard"/>
+    </record>
+
+    <!-- Submenu unter Point of Sale > Berichtswesen -->
+    <menuitem id="menu_open_workshop_reports"
+              name="Open Workshop"
+              parent="point_of_sale.menu_point_rep"
+              sequence="100"/>
+
+    <!-- Dashboard Menu -->
+    <menuitem id="menu_usage_dashboard"
+              name="Nutzungs-Dashboard"
+              parent="menu_open_workshop_reports"
+              action="action_usage_dashboard"
+              sequence="1"/>
+</odoo>
diff --git a/open_workshop_report/views/usage_stats_views.xml b/open_workshop_report/views/usage_stats_views.xml
new file mode 100644
index 0000000..d00e67c
--- /dev/null
+++ b/open_workshop_report/views/usage_stats_views.xml
@@ -0,0 +1,123 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <!-- Tree View -->
+    <record id="view_usage_stats_tree" model="ir.ui.view">
+        <field name="name">open_workshop.usage.stats.tree</field>
+        <field name="model">open_workshop.usage.stats</field>
+        <field name="arch" type="xml">
+            <list string="Nutzungsstatistiken" create="false">
+                <field name="period_name"/>
+                <field name="period_start"/>
+                <field name="period_end"/>
+                <field name="total_sessions" string="Gesamt Nutzungen"/>
+                <field name="avg_per_day" string="⌀ pro Tag"/>
+                <field name="unique_users" string="Einz. Nutzer"/>
+                <field name="total_revenue" widget="monetary"/>
+            </list>
+        </field>
+    </record>
+
+    <!-- Form View -->
+    <record id="view_usage_stats_form" model="ir.ui.view">
+        <field name="name">open_workshop.usage.stats.form</field>
+        <field name="model">open_workshop.usage.stats</field>
+        <field name="arch" type="xml">
+            <form string="Nutzungsstatistik" create="false">
+                <sheet>
+                    <div class="oe_title">
+                        <h1><field name="period_name"/></h1>
+                    </div>
+                    <group>
+                        <group string="Zeitraum">
+                            <field name="period_type"/>
+                            <field name="period_start"/>
+                            <field name="period_end"/>
+                        </group>
+                        <group string="Statistiken">
+                            <field name="total_sessions"/>
+                            <field name="avg_per_day"/>
+                            <field name="unique_users"/>
+                            <field name="total_revenue"/>
+                        </group>
+                    </group>
+                    <notebook>
+                        <page string="POS Sessions">
+                            <field name="session_ids" readonly="1">
+                                <list>
+                                    <field name="name"/>
+                                    <field name="start_at"/>
+                                    <field name="stop_at"/>
+                                    <field name="user_id"/>
+                                    <field name="total_payments_amount" widget="monetary"/>
+                                </list>
+                            </field>
+                        </page>
+                    </notebook>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <!-- Pivot View -->
+    <record id="view_usage_stats_pivot" model="ir.ui.view">
+        <field name="name">open_workshop.usage.stats.pivot</field>
+        <field name="model">open_workshop.usage.stats</field>
+        <field name="arch" type="xml">
+            <pivot string="Nutzungsstatistiken" sample="1">
+                <field name="period_start" type="row" interval="month"/>
+                <field name="period_type" type="col"/>
+                <field name="total_sessions" type="measure"/>
+                <field name="avg_per_day" type="measure"/>
+                <field name="total_revenue" type="measure"/>
+            </pivot>
+        </field>
+    </record>
+
+    <!-- Graph View - Bar Chart -->
+    <record id="view_usage_stats_graph_bar" model="ir.ui.view">
+        <field name="name">open_workshop.usage.stats.graph.bar</field>
+        <field name="model">open_workshop.usage.stats</field>
+        <field name="arch" type="xml">
+            <graph string="Nutzungen pro Monat" type="bar" sample="1" stacked="0">
+                <field name="period_start" interval="month"/>
+                <field name="total_sessions" type="measure"/>
+            </graph>
+        </field>
+    </record>
+
+    <!-- Graph View - Line Chart (Historie) -->
+    <record id="view_usage_stats_graph_line" model="ir.ui.view">
+        <field name="name">open_workshop.usage.stats.graph.line</field>
+        <field name="model">open_workshop.usage.stats</field>
+        <field name="arch" type="xml">
+            <graph string="Nutzungen (Historie)" type="line" sample="1">
+                <field name="period_start" interval="month"/>
+                <field name="total_sessions" type="measure"/>
+                <field name="avg_per_day" type="measure"/>
+            </graph>
+        </field>
+    </record>
+
+    <!-- Action -->
+    <record id="action_usage_stats" model="ir.actions.act_window">
+        <field name="name">Nutzungsstatistiken</field>
+        <field name="res_model">open_workshop.usage.stats</field>
+        <field name="view_mode">graph,pivot,list,form</field>
+        <field name="context">{'group_by': ['period_start:month']}</field>
+        <field name="help" type="html">
+            <p class="o_view_nocontent_smiling_face">
+                Keine Statistiken vorhanden
+            </p>
+            <p>
+                Klicken Sie auf "Statistiken generieren" um monatliche Nutzungsstatistiken zu erstellen.
+            </p>
+        </field>
+    </record>
+
+    <!-- Menu -->
+    <menuitem id="menu_usage_stats"
+              name="Nutzungsstatistiken"
+              parent="menu_open_workshop_reports"
+              action="action_usage_stats"
+              sequence="10"/>
+</odoo>