diff --git a/app/alert_notes/__init__.py b/app/alert_notes/__init__.py
new file mode 100644
index 0000000..0c2111e
--- /dev/null
+++ b/app/alert_notes/__init__.py
@@ -0,0 +1 @@
+"""Alert Notes Module"""
diff --git a/app/alert_notes/backend/__init__.py b/app/alert_notes/backend/__init__.py
new file mode 100644
index 0000000..5cb72df
--- /dev/null
+++ b/app/alert_notes/backend/__init__.py
@@ -0,0 +1,4 @@
+"""Alert Notes Backend Module"""
+from app.alert_notes.backend.router import router
+
+__all__ = ["router"]
diff --git a/app/alert_notes/backend/router.py b/app/alert_notes/backend/router.py
new file mode 100644
index 0000000..5bf445a
--- /dev/null
+++ b/app/alert_notes/backend/router.py
@@ -0,0 +1,515 @@
+"""
+Alert Notes Router
+API endpoints for contextual customer/contact alert system
+"""
+
+from fastapi import APIRouter, HTTPException, Depends, Query
+from typing import List, Optional, Dict
+import logging
+from datetime import datetime
+
+from app.core.database import execute_query, execute_update
+from app.core.auth_dependencies import require_permission, get_current_user
+from app.alert_notes.backend.schemas import (
+    AlertNoteCreate, AlertNoteUpdate, AlertNoteFull, AlertNoteCheck,
+    AlertNoteRestriction, AlertNoteAcknowledgement, EntityType, Severity
+)
+
+logger = logging.getLogger(__name__)
+
+router = APIRouter()
+
+
+def _check_user_can_handle(alert_id: int, current_user: dict) -> bool:
+    """
+    Check if current user is allowed to handle the entity based on restrictions.
+    Returns True if no restrictions exist OR user matches a restriction.
+    """
+    # Superadmins bypass restrictions
+    if current_user.get("is_superadmin"):
+        return True
+    
+    # Get restrictions for this alert
+    restrictions = execute_query(
+        """
+        SELECT restriction_type, restriction_id
+        FROM alert_note_restrictions
+        WHERE alert_note_id = %s
+        """,
+        (alert_id,)
+    )
+    
+    # No restrictions = everyone can handle
+    if not restrictions:
+        return True
+    
+    user_id = current_user["id"]
+    
+    # Get user's group IDs
+    user_groups = execute_query(
+        "SELECT group_id FROM user_groups WHERE user_id = %s",
+        (user_id,)
+    )
+    user_group_ids = [g["group_id"] for g in user_groups]
+    
+    # Check if user matches any restriction
+    for restriction in restrictions:
+        if restriction["restriction_type"] == "user" and restriction["restriction_id"] == user_id:
+            return True
+        if restriction["restriction_type"] == "group" and restriction["restriction_id"] in user_group_ids:
+            return True
+    
+    return False
+
+
+def _get_entity_name(entity_type: str, entity_id: int) -> Optional[str]:
+    """Get the name of the entity (customer or contact)"""
+    if entity_type == "customer":
+        result = execute_query(
+            "SELECT name FROM customers WHERE id = %s",
+            (entity_id,)
+        )
+        return result[0]["name"] if result else None
+    elif entity_type == "contact":
+        result = execute_query(
+            "SELECT first_name, last_name FROM contacts WHERE id = %s",
+            (entity_id,)
+        )
+        if result:
+            return f"{result[0]['first_name']} {result[0]['last_name']}"
+    return None
+
+
+def _get_alert_with_relations(alert_id: int, current_user: dict) -> Optional[Dict]:
+    """Get alert note with all its relations"""
+    # Get main alert
+    alerts = execute_query(
+        """
+        SELECT an.*, u.full_name as created_by_user_name
+        FROM alert_notes an
+        LEFT JOIN users u ON an.created_by_user_id = u.user_id
+        WHERE an.id = %s
+        """,
+        (alert_id,)
+    )
+    
+    if not alerts:
+        return None
+    
+    alert = dict(alerts[0])
+    
+    # Get entity name
+    alert["entity_name"] = _get_entity_name(alert["entity_type"], alert["entity_id"])
+    
+    # Get restrictions
+    restrictions = execute_query(
+        """
+        SELECT anr.*, 
+               CASE 
+                   WHEN anr.restriction_type = 'group' THEN g.name
+                   WHEN anr.restriction_type = 'user' THEN u.full_name
+               END as restriction_name
+        FROM alert_note_restrictions anr
+        LEFT JOIN groups g ON anr.restriction_type = 'group' AND anr.restriction_id = g.id
+        LEFT JOIN users u ON anr.restriction_type = 'user' AND anr.restriction_id = u.user_id
+        WHERE anr.alert_note_id = %s
+        """,
+        (alert_id,)
+    )
+    alert["restrictions"] = restrictions
+    
+    # Get acknowledgements
+    acknowledgements = execute_query(
+        """
+        SELECT ana.*, u.full_name as user_name
+        FROM alert_note_acknowledgements ana
+        LEFT JOIN users u ON ana.user_id = u.user_id
+        WHERE ana.alert_note_id = %s
+        ORDER BY ana.acknowledged_at DESC
+        """,
+        (alert_id,)
+    )
+    alert["acknowledgements"] = acknowledgements
+    
+    return alert
+
+
+@router.get("/alert-notes/check", response_model=AlertNoteCheck)
+async def check_alerts(
+    entity_type: EntityType = Query(..., description="Entity type (customer/contact)"),
+    entity_id: int = Query(..., description="Entity ID"),
+    current_user: dict = Depends(get_current_user)
+):
+    """
+    Check if there are active alert notes for a specific entity.
+    Returns alerts that the current user is allowed to see based on restrictions.
+    """
+    # Get active alerts for this entity
+    alerts = execute_query(
+        """
+        SELECT an.*, u.full_name as created_by_user_name
+        FROM alert_notes an
+        LEFT JOIN users u ON an.created_by_user_id = u.user_id
+        WHERE an.entity_type = %s 
+          AND an.entity_id = %s 
+          AND an.active = TRUE
+        ORDER BY 
+            CASE an.severity
+                WHEN 'critical' THEN 1
+                WHEN 'warning' THEN 2
+                WHEN 'info' THEN 3
+            END,
+            an.created_at DESC
+        """,
+        (entity_type.value, entity_id)
+    )
+    
+    if not alerts:
+        return AlertNoteCheck(
+            has_alerts=False,
+            alerts=[],
+            user_can_handle=True,
+            user_has_acknowledged=False
+        )
+    
+    # Enrich alerts with relations
+    enriched_alerts = []
+    for alert in alerts:
+        alert_dict = dict(alert)
+        alert_dict["entity_name"] = _get_entity_name(alert["entity_type"], alert["entity_id"])
+        
+        # Get restrictions
+        restrictions = execute_query(
+            """
+            SELECT anr.*, 
+                   CASE 
+                       WHEN anr.restriction_type = 'group' THEN g.name
+                       WHEN anr.restriction_type = 'user' THEN u.full_name
+                   END as restriction_name
+            FROM alert_note_restrictions anr
+            LEFT JOIN groups g ON anr.restriction_type = 'group' AND anr.restriction_id = g.id
+            LEFT JOIN users u ON anr.restriction_type = 'user' AND anr.restriction_id = u.user_id
+            WHERE anr.alert_note_id = %s
+            """,
+            (alert["id"],)
+        )
+        alert_dict["restrictions"] = restrictions
+        
+        # Get acknowledgements
+        acknowledgements = execute_query(
+            """
+            SELECT ana.*, u.full_name as user_name
+            FROM alert_note_acknowledgements ana
+            LEFT JOIN users u ON ana.user_id = u.user_id
+            WHERE ana.alert_note_id = %s
+            ORDER BY ana.acknowledged_at DESC
+            """,
+            (alert["id"],)
+        )
+        alert_dict["acknowledgements"] = acknowledgements
+        
+        enriched_alerts.append(alert_dict)
+    
+    # Check if user can handle based on restrictions
+    user_can_handle = all(_check_user_can_handle(a["id"], current_user) for a in alerts)
+    
+    # Check if user has acknowledged all alerts that require it
+    user_id = current_user["id"]
+    user_has_acknowledged = True
+    for alert in alerts:
+        if alert["requires_acknowledgement"]:
+            ack = execute_query(
+                "SELECT id FROM alert_note_acknowledgements WHERE alert_note_id = %s AND user_id = %s",
+                (alert["id"], user_id)
+            )
+            if not ack:
+                user_has_acknowledged = False
+                break
+    
+    return AlertNoteCheck(
+        has_alerts=True,
+        alerts=enriched_alerts,
+        user_can_handle=user_can_handle,
+        user_has_acknowledged=user_has_acknowledged
+    )
+
+
+@router.post("/alert-notes/{alert_id}/acknowledge")
+async def acknowledge_alert(
+    alert_id: int,
+    current_user: dict = Depends(get_current_user)
+):
+    """
+    Mark an alert note as acknowledged by the current user.
+    """
+    # Check if alert exists
+    alert = execute_query(
+        "SELECT id, active FROM alert_notes WHERE id = %s",
+        (alert_id,)
+    )
+    
+    if not alert:
+        raise HTTPException(status_code=404, detail="Alert note not found")
+    
+    if not alert[0]["active"]:
+        raise HTTPException(status_code=400, detail="Alert note is not active")
+    
+    user_id = current_user["id"]
+    
+    # Check if already acknowledged
+    existing = execute_query(
+        "SELECT id FROM alert_note_acknowledgements WHERE alert_note_id = %s AND user_id = %s",
+        (alert_id, user_id)
+    )
+    
+    if existing:
+        return {"status": "already_acknowledged", "alert_id": alert_id}
+    
+    # Insert acknowledgement
+    execute_update(
+        """
+        INSERT INTO alert_note_acknowledgements (alert_note_id, user_id)
+        VALUES (%s, %s)
+        """,
+        (alert_id, user_id)
+    )
+    
+    logger.info(f"Alert {alert_id} acknowledged by user {user_id}")
+    
+    return {"status": "acknowledged", "alert_id": alert_id}
+
+
+@router.get("/alert-notes", response_model=List[AlertNoteFull])
+async def list_alerts(
+    entity_type: Optional[EntityType] = Query(None),
+    entity_id: Optional[int] = Query(None),
+    severity: Optional[Severity] = Query(None),
+    active: Optional[bool] = Query(None),
+    limit: int = Query(default=50, ge=1, le=500),
+    offset: int = Query(default=0, ge=0),
+    current_user: dict = Depends(require_permission("alert_notes.view"))
+):
+    """
+    List alert notes with filtering (admin endpoint).
+    Requires alert_notes.view permission.
+    """
+    conditions = []
+    params = []
+    
+    if entity_type:
+        conditions.append("an.entity_type = %s")
+        params.append(entity_type.value)
+    
+    if entity_id:
+        conditions.append("an.entity_id = %s")
+        params.append(entity_id)
+    
+    if severity:
+        conditions.append("an.severity = %s")
+        params.append(severity.value)
+    
+    if active is not None:
+        conditions.append("an.active = %s")
+        params.append(active)
+    
+    where_clause = "WHERE " + " AND ".join(conditions) if conditions else ""
+    
+    query = f"""
+        SELECT an.*, u.full_name as created_by_user_name
+        FROM alert_notes an
+        LEFT JOIN users u ON an.created_by_user_id = u.user_id
+        {where_clause}
+        ORDER BY an.created_at DESC
+        LIMIT %s OFFSET %s
+    """
+    params.extend([limit, offset])
+    
+    alerts = execute_query(query, tuple(params))
+    
+    # Enrich with relations
+    enriched_alerts = []
+    for alert in alerts:
+        alert_full = _get_alert_with_relations(alert["id"], current_user)
+        if alert_full:
+            enriched_alerts.append(alert_full)
+    
+    return enriched_alerts
+
+
+@router.post("/alert-notes", response_model=AlertNoteFull)
+async def create_alert(
+    alert: AlertNoteCreate,
+    current_user: dict = Depends(require_permission("alert_notes.create"))
+):
+    """
+    Create a new alert note.
+    Requires alert_notes.create permission.
+    """
+    # Verify entity exists
+    entity_name = _get_entity_name(alert.entity_type.value, alert.entity_id)
+    if not entity_name:
+        raise HTTPException(
+            status_code=404,
+            detail=f"{alert.entity_type.value.capitalize()} with ID {alert.entity_id} not found"
+        )
+    
+    # Insert alert note
+    result = execute_query(
+        """
+        INSERT INTO alert_notes (
+            entity_type, entity_id, title, message, severity,
+            requires_acknowledgement, active, created_by_user_id
+        )
+        VALUES (%s, %s, %s, %s, %s, %s, %s, %s)
+        RETURNING id
+        """,
+        (
+            alert.entity_type.value, alert.entity_id, alert.title, alert.message,
+            alert.severity.value, alert.requires_acknowledgement, alert.active,
+            current_user["id"]
+        )
+    )
+    
+    if not result or len(result) == 0:
+        raise HTTPException(status_code=500, detail="Failed to create alert note")
+    
+    alert_id = result[0]["id"]
+    
+    # Insert restrictions
+    for group_id in alert.restriction_group_ids:
+        execute_query(
+            """
+            INSERT INTO alert_note_restrictions (alert_note_id, restriction_type, restriction_id)
+            VALUES (%s, 'group', %s)
+            """,
+            (alert_id, group_id)
+        )
+    
+    for user_id in alert.restriction_user_ids:
+        execute_query(
+            """
+            INSERT INTO alert_note_restrictions (alert_note_id, restriction_type, restriction_id)
+            VALUES (%s, 'user', %s)
+            """,
+            (alert_id, user_id)
+        )
+    
+    logger.info(f"Alert note {alert_id} created for {alert.entity_type.value} {alert.entity_id} by user {current_user['id']}")
+    
+    # Return full alert with relations
+    alert_full = _get_alert_with_relations(alert_id, current_user)
+    return alert_full
+
+
+@router.patch("/alert-notes/{alert_id}", response_model=AlertNoteFull)
+async def update_alert(
+    alert_id: int,
+    alert_update: AlertNoteUpdate,
+    current_user: dict = Depends(require_permission("alert_notes.edit"))
+):
+    """
+    Update an existing alert note.
+    Requires alert_notes.edit permission.
+    """
+    # Check if alert exists
+    existing = execute_query(
+        "SELECT id FROM alert_notes WHERE id = %s",
+        (alert_id,)
+    )
+    
+    if not existing:
+        raise HTTPException(status_code=404, detail="Alert note not found")
+    
+    # Build update query
+    update_fields = []
+    params = []
+    
+    if alert_update.title is not None:
+        update_fields.append("title = %s")
+        params.append(alert_update.title)
+    
+    if alert_update.message is not None:
+        update_fields.append("message = %s")
+        params.append(alert_update.message)
+    
+    if alert_update.severity is not None:
+        update_fields.append("severity = %s")
+        params.append(alert_update.severity.value)
+    
+    if alert_update.requires_acknowledgement is not None:
+        update_fields.append("requires_acknowledgement = %s")
+        params.append(alert_update.requires_acknowledgement)
+    
+    if alert_update.active is not None:
+        update_fields.append("active = %s")
+        params.append(alert_update.active)
+    
+    if update_fields:
+        query = f"UPDATE alert_notes SET {', '.join(update_fields)} WHERE id = %s"
+        params.append(alert_id)
+        execute_update(query, tuple(params))
+    
+    # Update restrictions if provided
+    if alert_update.restriction_group_ids is not None or alert_update.restriction_user_ids is not None:
+        # Delete existing restrictions
+        execute_update(
+            "DELETE FROM alert_note_restrictions WHERE alert_note_id = %s",
+            (alert_id,)
+        )
+        
+        # Insert new group restrictions
+        if alert_update.restriction_group_ids is not None:
+            for group_id in alert_update.restriction_group_ids:
+                execute_update(
+                    """
+                    INSERT INTO alert_note_restrictions (alert_note_id, restriction_type, restriction_id)
+                    VALUES (%s, 'group', %s)
+                    """,
+                    (alert_id, group_id)
+                )
+        
+        # Insert new user restrictions
+        if alert_update.restriction_user_ids is not None:
+            for user_id in alert_update.restriction_user_ids:
+                execute_update(
+                    """
+                    INSERT INTO alert_note_restrictions (alert_note_id, restriction_type, restriction_id)
+                    VALUES (%s, 'user', %s)
+                    """,
+                    (alert_id, user_id)
+                )
+    
+    logger.info(f"Alert note {alert_id} updated by user {current_user['id']}")
+    
+    # Return updated alert
+    alert_full = _get_alert_with_relations(alert_id, current_user)
+    return alert_full
+
+
+@router.delete("/alert-notes/{alert_id}")
+async def delete_alert(
+    alert_id: int,
+    current_user: dict = Depends(require_permission("alert_notes.delete"))
+):
+    """
+    Soft delete an alert note (sets active = false).
+    Requires alert_notes.delete permission.
+    """
+    # Check if alert exists
+    existing = execute_query(
+        "SELECT id, active FROM alert_notes WHERE id = %s",
+        (alert_id,)
+    )
+    
+    if not existing:
+        raise HTTPException(status_code=404, detail="Alert note not found")
+    
+    # Soft delete
+    execute_update(
+        "UPDATE alert_notes SET active = FALSE WHERE id = %s",
+        (alert_id,)
+    )
+    
+    logger.info(f"Alert note {alert_id} deactivated by user {current_user['id']}")
+    
+    return {"status": "deleted", "alert_id": alert_id}
diff --git a/app/alert_notes/backend/schemas.py b/app/alert_notes/backend/schemas.py
new file mode 100644
index 0000000..41de994
--- /dev/null
+++ b/app/alert_notes/backend/schemas.py
@@ -0,0 +1,99 @@
+"""
+Alert Notes Pydantic Schemas
+Data models for contextual customer/contact alerts
+"""
+
+from pydantic import BaseModel, Field
+from typing import Optional, List
+from datetime import datetime
+from enum import Enum
+
+
+class EntityType(str, Enum):
+    """Entity types that can have alert notes"""
+    customer = "customer"
+    contact = "contact"
+
+
+class Severity(str, Enum):
+    """Alert severity levels"""
+    info = "info"
+    warning = "warning"
+    critical = "critical"
+
+
+class RestrictionType(str, Enum):
+    """Types of restrictions for alert notes"""
+    group = "group"
+    user = "user"
+
+
+class AlertNoteRestriction(BaseModel):
+    """Alert note restriction (who can handle the customer/contact)"""
+    id: Optional[int] = None
+    alert_note_id: int
+    restriction_type: RestrictionType
+    restriction_id: int  # References groups.id or users.user_id
+    restriction_name: Optional[str] = None  # Filled by JOIN in query
+    created_at: Optional[datetime] = None
+
+
+class AlertNoteAcknowledgement(BaseModel):
+    """Alert note acknowledgement record"""
+    id: Optional[int] = None
+    alert_note_id: int
+    user_id: int
+    user_name: Optional[str] = None  # Filled by JOIN
+    acknowledged_at: Optional[datetime] = None
+
+
+class AlertNoteBase(BaseModel):
+    """Base schema for alert notes"""
+    entity_type: EntityType
+    entity_id: int
+    title: str = Field(..., min_length=1, max_length=255)
+    message: str = Field(..., min_length=1)
+    severity: Severity = Severity.info
+    requires_acknowledgement: bool = True
+    active: bool = True
+
+
+class AlertNoteCreate(AlertNoteBase):
+    """Schema for creating an alert note"""
+    restriction_group_ids: List[int] = []  # List of group IDs
+    restriction_user_ids: List[int] = []   # List of user IDs
+
+
+class AlertNoteUpdate(BaseModel):
+    """Schema for updating an alert note"""
+    title: Optional[str] = Field(None, min_length=1, max_length=255)
+    message: Optional[str] = Field(None, min_length=1)
+    severity: Optional[Severity] = None
+    requires_acknowledgement: Optional[bool] = None
+    active: Optional[bool] = None
+    restriction_group_ids: Optional[List[int]] = None
+    restriction_user_ids: Optional[List[int]] = None
+
+
+class AlertNoteFull(AlertNoteBase):
+    """Full alert note schema with all relations"""
+    id: int
+    created_by_user_id: Optional[int] = None
+    created_by_user_name: Optional[str] = None  # Filled by JOIN
+    created_at: datetime
+    updated_at: datetime
+    
+    # Related data
+    restrictions: List[AlertNoteRestriction] = []
+    acknowledgements: List[AlertNoteAcknowledgement] = []
+    
+    # Entity info (filled by JOIN)
+    entity_name: Optional[str] = None
+
+
+class AlertNoteCheck(BaseModel):
+    """Response for checking alerts on an entity"""
+    has_alerts: bool
+    alerts: List[AlertNoteFull]
+    user_can_handle: bool  # Whether current user is allowed per restrictions
+    user_has_acknowledged: bool = False
diff --git a/app/alert_notes/frontend/alert_box.html b/app/alert_notes/frontend/alert_box.html
new file mode 100644
index 0000000..b84214a
--- /dev/null
+++ b/app/alert_notes/frontend/alert_box.html
@@ -0,0 +1,199 @@
+<!-- Alert Notes Box Component - For inline display on detail pages -->
+<style>
+    .alert-note-box {
+        border-left: 5px solid;
+        padding: 15px 20px;
+        margin: 15px 0;
+        background: var(--bg-card);
+        border-radius: 8px;
+        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
+        transition: all 0.3s;
+    }
+
+    .alert-note-box:hover {
+        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
+    }
+
+    .alert-note-info {
+        border-left-color: #0dcaf0;
+        background: #d1ecf1;
+    }
+
+    [data-bs-theme="dark"] .alert-note-info {
+        background: rgba(13, 202, 240, 0.15);
+    }
+
+    .alert-note-warning {
+        border-left-color: #ffc107;
+        background: #fff3cd;
+    }
+
+    [data-bs-theme="dark"] .alert-note-warning {
+        background: rgba(255, 193, 7, 0.15);
+    }
+
+    .alert-note-critical {
+        border-left-color: #dc3545;
+        background: #f8d7da;
+    }
+
+    [data-bs-theme="dark"] .alert-note-critical {
+        background: rgba(220, 53, 69, 0.15);
+    }
+
+    .alert-note-title {
+        font-weight: 600;
+        font-size: 1.1rem;
+        margin-bottom: 8px;
+        display: flex;
+        align-items: center;
+        gap: 8px;
+    }
+
+    .alert-note-severity-badge {
+        font-size: 0.75rem;
+        padding: 2px 8px;
+        border-radius: 4px;
+        text-transform: uppercase;
+        font-weight: 600;
+    }
+
+    .alert-note-severity-badge.info {
+        background: #0dcaf0;
+        color: white;
+    }
+
+    .alert-note-severity-badge.warning {
+        background: #ffc107;
+        color: #000;
+    }
+
+    .alert-note-severity-badge.critical {
+        background: #dc3545;
+        color: white;
+    }
+
+    .alert-note-message {
+        margin-bottom: 12px;
+        line-height: 1.6;
+        white-space: pre-wrap;
+    }
+
+    .alert-note-restrictions {
+        padding: 10px;
+        background: rgba(0,0,0,0.05);
+        border-radius: 6px;
+        font-size: 0.9rem;
+        margin-top: 12px;
+    }
+
+    [data-bs-theme="dark"] .alert-note-restrictions {
+        background: rgba(255,255,255,0.05);
+    }
+
+    .alert-note-restrictions strong {
+        display: block;
+        margin-bottom: 5px;
+    }
+
+    .alert-note-footer {
+        display: flex;
+        justify-content: space-between;
+        align-items: center;
+        margin-top: 12px;
+        font-size: 0.85rem;
+        color: var(--text-secondary);
+    }
+
+    .alert-note-acknowledge-btn {
+        font-size: 0.85rem;
+        padding: 4px 12px;
+    }
+</style>
+
+<!-- Template structure (fill via JavaScript) -->
+<div id="alert-notes-container"></div>
+
+<script>
+function renderAlertBox(alert) {
+    const severityClass = `alert-note-${alert.severity}`;
+    const severityBadgeClass = alert.severity;
+    
+    let restrictionsHtml = '';
+    if (alert.restrictions && alert.restrictions.length > 0) {
+        const restrictionNames = alert.restrictions.map(r => r.restriction_name).join(', ');
+        restrictionsHtml = `
+            <div class="alert-note-restrictions">
+                <strong><i class="bi bi-shield-lock"></i> Håndteres kun af:</strong>
+                ${restrictionNames}
+            </div>
+        `;
+    }
+    
+    let acknowledgeBtn = '';
+    if (alert.requires_acknowledgement && !alert.user_has_acknowledged) {
+        acknowledgeBtn = `
+            <button class="btn btn-sm btn-outline-secondary alert-note-acknowledge-btn" 
+                    onclick="acknowledgeAlert(${alert.id}, this)">
+                <i class="bi bi-check-circle"></i> Forstået
+            </button>
+        `;
+    }
+    
+    // Edit button (always show for admins/creators)
+    const editBtn = `
+        <button class="btn btn-sm btn-outline-primary alert-note-acknowledge-btn" 
+                onclick="openAlertNoteForm('${alert.entity_type}', ${alert.entity_id}, ${alert.id})"
+                title="Rediger alert note">
+            <i class="bi bi-pencil"></i>
+        </button>
+    `;
+    
+    const createdBy = alert.created_by_user_name ? ` • Oprettet af ${alert.created_by_user_name}` : '';
+    
+    return `
+        <div class="alert-note-box ${severityClass}" data-alert-id="${alert.id}">
+            <div class="alert-note-title">
+                <span class="alert-note-severity-badge ${severityBadgeClass}">
+                    ${alert.severity === 'info' ? 'INFO' : alert.severity === 'warning' ? 'ADVARSEL' : 'KRITISK'}
+                <div class="d-flex gap-2">
+                    ${editBtn}
+                    ${acknowledgeBtn}
+                </div>
+                ${alert.title}
+            </div>
+            <div class="alert-note-message">${alert.message}</div>
+            ${restrictionsHtml}
+            <div class="alert-note-footer">
+                <span class="text-muted">
+                    <i class="bi bi-calendar"></i> ${new Date(alert.created_at).toLocaleDateString('da-DK')}${createdBy}
+                </span>
+                ${acknowledgeBtn}
+            </div>
+        </div>
+    `;
+}
+
+function acknowledgeAlert(alertId, buttonElement) {
+    fetch(`/api/v1/alert-notes/${alertId}/acknowledge`, {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json'
+        }
+    })
+    .then(response => response.json())
+    .then(data => {
+        if (data.status === 'acknowledged' || data.status === 'already_acknowledged') {
+            // Remove the alert box with fade animation
+            const alertBox = buttonElement.closest('.alert-note-box');
+            alertBox.style.opacity = '0';
+            alertBox.style.transform = 'translateX(-20px)';
+            setTimeout(() => alertBox.remove(), 300);
+        }
+    })
+    .catch(error => {
+        console.error('Error acknowledging alert:', error);
+        alert('Kunne ikke markere som læst. Prøv igen.');
+    });
+}
+</script>
diff --git a/app/alert_notes/frontend/alert_check.js b/app/alert_notes/frontend/alert_check.js
new file mode 100644
index 0000000..fe23a19
--- /dev/null
+++ b/app/alert_notes/frontend/alert_check.js
@@ -0,0 +1,131 @@
+/**
+ * Alert Notes JavaScript Module
+ * Handles loading and displaying alert notes for customers and contacts
+ */
+
+/**
+ * Load and display alerts for an entity
+ * @param {string} entityType - 'customer' or 'contact'
+ * @param {number} entityId - The entity ID
+ * @param {string} mode - 'inline' (show in page) or 'modal' (show popup)
+ * @param {string} containerId - Optional container ID for inline mode (default: 'alert-notes-container')
+ */
+async function loadAndDisplayAlerts(entityType, entityId, mode = 'inline', containerId = 'alert-notes-container') {
+    try {
+        const response = await fetch(`/api/v1/alert-notes/check?entity_type=${entityType}&entity_id=${entityId}`, {
+            credentials: 'include'
+        });
+        
+        if (!response.ok) {
+            console.error('Failed to fetch alerts:', response.status);
+            return;
+        }
+        
+        const data = await response.json();
+        
+        if (!data.has_alerts) {
+            // No alerts - clear container if in inline mode
+            if (mode === 'inline') {
+                const container = document.getElementById(containerId);
+                if (container) {
+                    container.innerHTML = '';
+                }
+            }
+            return;
+        }
+        
+        // Store for later use
+        window.currentAlertData = data;
+        
+        if (mode === 'modal') {
+            // Show modal popup
+            showAlertModal(data.alerts);
+        } else {
+            // Show inline
+            displayAlertsInline(data.alerts, containerId, data.user_has_acknowledged);
+        }
+        
+    } catch (error) {
+        console.error('Error loading alerts:', error);
+    }
+}
+
+/**
+ * Display alerts inline in a container
+ * @param {Array} alerts - Array of alert objects
+ * @param {string} containerId - Container element ID
+ * @param {boolean} userHasAcknowledged - Whether user has acknowledged all
+ */
+function displayAlertsInline(alerts, containerId, userHasAcknowledged) {
+    const container = document.getElementById(containerId);
+    if (!container) {
+        console.error('Alert container not found:', containerId);
+        return;
+    }
+    
+    // Clear existing content
+    container.innerHTML = '';
+    
+    // Add each alert
+    alerts.forEach(alert => {
+        // Set user_has_acknowledged on individual alert if needed
+        alert.user_has_acknowledged = userHasAcknowledged;
+        
+        // Render using the renderAlertBox function from alert_box.html
+        const alertHtml = renderAlertBox(alert);
+        container.innerHTML += alertHtml;
+    });
+}
+
+/**
+ * Acknowledge a single alert
+ * @param {number} alertId - The alert ID
+ * @param {HTMLElement} buttonElement - The button that was clicked
+ */
+async function acknowledgeAlert(alertId, buttonElement) {
+    try {
+        const response = await fetch(`/api/v1/alert-notes/${alertId}/acknowledge`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json'
+            },
+            credentials: 'include'
+        });
+        
+        const data = await response.json();
+        
+        if (data.status === 'acknowledged' || data.status === 'already_acknowledged') {
+            // Remove the alert box with fade animation
+            const alertBox = buttonElement.closest('.alert-note-box');
+            if (alertBox) {
+                alertBox.style.opacity = '0';
+                alertBox.style.transform = 'translateX(-20px)';
+                alertBox.style.transition = 'all 0.3s';
+                setTimeout(() => alertBox.remove(), 300);
+            }
+        }
+    } catch (error) {
+        console.error('Error acknowledging alert:', error);
+        alert('Kunne ikke markere som læst. Prøv igen.');
+    }
+}
+
+/**
+ * Initialize alert checking on page load
+ * Call this from your page's DOMContentLoaded or similar
+ * @param {string} entityType - 'customer' or 'contact'
+ * @param {number} entityId - The entity ID
+ * @param {Object} options - Optional settings {mode: 'inline'|'modal', containerId: 'element-id'}
+ */
+function initAlertNotes(entityType, entityId, options = {}) {
+    const mode = options.mode || 'inline';
+    const containerId = options.containerId || 'alert-notes-container';
+    
+    loadAndDisplayAlerts(entityType, entityId, mode, containerId);
+}
+
+// Make functions globally available
+window.loadAndDisplayAlerts = loadAndDisplayAlerts;
+window.displayAlertsInline = displayAlertsInline;
+window.acknowledgeAlert = acknowledgeAlert;
+window.initAlertNotes = initAlertNotes;
diff --git a/app/alert_notes/frontend/alert_form_modal.html b/app/alert_notes/frontend/alert_form_modal.html
new file mode 100644
index 0000000..70b9602
--- /dev/null
+++ b/app/alert_notes/frontend/alert_form_modal.html
@@ -0,0 +1,551 @@
+<!-- Alert Note Create/Edit Modal -->
+<div class="modal fade" id="alertNoteFormModal" tabindex="-1" aria-labelledby="alertNoteFormModalLabel" aria-hidden="true">
+    <div class="modal-dialog modal-lg">
+        <div class="modal-content">
+            <div class="modal-header bg-warning bg-opacity-10 border-bottom border-warning">
+                <h5 class="modal-title d-flex align-items-center" id="alertNoteFormModalLabel">
+                    <i class="bi bi-exclamation-triangle-fill text-warning me-2" style="font-size: 1.3rem;"></i>
+                    <span id="alertFormTitle" class="fw-bold">Opret Alert Note</span>
+                </h5>
+                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Luk"></button>
+            </div>
+            <div class="modal-body" style="max-height: 70vh; overflow-y: auto;">
+                <form id="alertNoteForm">
+                    <input type="hidden" id="alertNoteId" value="">
+                    <input type="hidden" id="alertEntityType" value="">
+                    <input type="hidden" id="alertEntityId" value="">
+                    
+                    <!-- Titel Section -->
+                    <div class="mb-4">
+                        <label for="alertTitle" class="form-label fw-semibold">
+                            Titel <span class="text-danger">*</span>
+                        </label>
+                        <input type="text" 
+                               class="form-control form-control-lg" 
+                               id="alertTitle" 
+                               required 
+                               maxlength="255" 
+                               placeholder="Kort beskrivende titel">
+                    </div>
+                    
+                    <!-- Besked Section -->
+                    <div class="mb-4">
+                        <label for="alertMessage" class="form-label fw-semibold">
+                            Besked <span class="text-danger">*</span>
+                        </label>
+                        <textarea class="form-control" 
+                                  id="alertMessage" 
+                                  rows="6" 
+                                  required 
+                                  placeholder="Detaljeret information der skal vises..."
+                                  style="font-family: inherit; line-height: 1.6;"></textarea>
+                        <div class="form-text mt-2">
+                            <i class="bi bi-info-circle me-1"></i>
+                            Du kan bruge linjeskift for formatering
+                        </div>
+                    </div>
+                    
+                    <!-- Alvorlighed Section -->
+                    <div class="mb-4">
+                        <label for="alertSeverity" class="form-label fw-semibold">
+                            Alvorlighed <span class="text-danger">*</span>
+                        </label>
+                        <select class="form-select form-select-lg" id="alertSeverity" required>
+                            <option value="info">ℹ️ Info - General kontekst</option>
+                            <option value="warning" selected>⚠️ Advarsel - Særlige forhold</option>
+                            <option value="critical">🚨 Kritisk - Følsomme forhold</option>
+                        </select>
+                    </div>
+                    
+                    <!-- Checkboxes Section -->
+                    <div class="mb-4 p-3 bg-light rounded">
+                        <div class="form-check mb-3">
+                            <input class="form-check-input" 
+                                   type="checkbox" 
+                                   id="alertRequiresAck" 
+                                   checked>
+                            <label class="form-check-label" for="alertRequiresAck">
+                                <strong>Kræv bekræftelse</strong>
+                                <div class="text-muted small mt-1">
+                                    Brugere skal klikke "Forstået" for at bekræfte at de har set advarslen
+                                </div>
+                            </label>
+                        </div>
+                        
+                        <div class="form-check">
+                            <input class="form-check-input" 
+                                   type="checkbox" 
+                                   id="alertActive" 
+                                   checked>
+                            <label class="form-check-label" for="alertActive">
+                                <strong>Aktiv</strong>
+                                <div class="text-muted small mt-1">
+                                    Alert noten vises på kunde/kontakt siden
+                                </div>
+                            </label>
+                        </div>
+                    </div>
+                    
+                    <hr class="my-4">
+                    
+                    <!-- Restrictions Section -->
+                    <div class="mb-3">
+                        <label class="form-label fw-semibold d-flex align-items-center mb-3">
+                            <i class="bi bi-shield-lock me-2 text-primary"></i>
+                            Begrænsninger (Valgfri)
+                        </label>
+                        <div class="alert alert-info d-flex align-items-start mb-4">
+                            <i class="bi bi-info-circle-fill me-2 mt-1"></i>
+                            <div>
+                                <strong>Hvad er begrænsninger?</strong>
+                                <p class="mb-0 mt-1 small">
+                                    Angiv hvilke grupper eller brugere der må håndtere denne kunde/kontakt. 
+                                    Lad felterne stå tomme hvis alle må håndtere kunden.
+                                </p>
+                            </div>
+                        </div>
+                        
+                        <div class="row">
+                            <div class="col-md-6 mb-3">
+                                <label for="alertGroups" class="form-label fw-semibold">
+                                    <i class="bi bi-people-fill me-1"></i>
+                                    Godkendte Grupper
+                                </label>
+                                <select class="form-select" id="alertGroups" multiple size="5">
+                                    <!-- Populated via JavaScript -->
+                                </select>
+                                <div class="form-text mt-2">
+                                    <i class="bi bi-hand-index me-1"></i>
+                                    Hold Ctrl/Cmd for at vælge flere
+                                </div>
+                            </div>
+                            
+                            <div class="col-md-6 mb-3">
+                                <label for="alertUsers" class="form-label fw-semibold">
+                                    <i class="bi bi-person-fill me-1"></i>
+                                    Godkendte Brugere
+                                </label>
+                                <select class="form-select" id="alertUsers" multiple size="5">
+                                    <!-- Populated via JavaScript -->
+                                </select>
+                                <div class="form-text mt-2">
+                                    <i class="bi bi-hand-index me-1"></i>
+                                    Hold Ctrl/Cmd for at vælge flere
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                </form>
+            </div>
+            <div class="modal-footer bg-light">
+                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">
+                    <i class="bi bi-x-circle me-2"></i>
+                    Annuller
+                </button>
+                <button type="button" class="btn btn-primary btn-lg" id="saveAlertNoteBtn" onclick="saveAlertNote()">
+                    <i class="bi bi-save me-2"></i>
+                    Gem Alert Note
+                </button>
+            </div>
+        </div>
+    </div>
+</div>
+
+<style>
+    /* Modal Header Styling */
+    #alertNoteFormModal .modal-header {
+        padding: 1.25rem 1.5rem;
+    }
+    
+    #alertNoteFormModal .modal-body {
+        padding: 1.5rem;
+    }
+    
+    #alertNoteFormModal .modal-footer {
+        padding: 1rem 1.5rem;
+    }
+    
+    /* Form Labels */
+    #alertNoteFormModal .form-label {
+        font-weight: 600;
+        color: var(--bs-body-color);
+        margin-bottom: 0.5rem;
+    }
+    
+    /* Input Fields */
+    #alertNoteFormModal .form-control,
+    #alertNoteFormModal .form-select {
+        border-radius: 8px;
+        border: 1px solid #dee2e6;
+        transition: all 0.2s ease;
+    }
+    
+    #alertNoteFormModal .form-control:focus,
+    #alertNoteFormModal .form-select:focus {
+        border-color: var(--bs-primary);
+        box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.15);
+    }
+    
+    /* Textarea specific */
+    #alertNoteFormModal textarea.form-control {
+        resize: vertical;
+        min-height: 150px;
+    }
+    
+    /* Multiselect Styling */
+    #alertNoteFormModal select[multiple] {
+        border: 2px solid #e0e0e0;
+        border-radius: 8px;
+        padding: 0.5rem;
+        transition: all 0.2s ease;
+    }
+    
+    #alertNoteFormModal select[multiple]:focus {
+        border-color: var(--bs-primary);
+        box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.15);
+        outline: none;
+    }
+    
+    #alertNoteFormModal select[multiple] option {
+        padding: 10px 12px;
+        border-radius: 6px;
+        margin-bottom: 4px;
+        cursor: pointer;
+        transition: all 0.15s ease;
+    }
+    
+    #alertNoteFormModal select[multiple] option:hover {
+        background: rgba(13, 110, 253, 0.1);
+    }
+    
+    #alertNoteFormModal select[multiple] option:checked {
+        background: var(--bs-primary);
+        color: white;
+        font-weight: 500;
+    }
+    
+    /* Checkbox Container */
+    #alertNoteFormModal .form-check {
+        padding: 0.75rem;
+        border-radius: 8px;
+        transition: background 0.2s ease;
+    }
+    
+    #alertNoteFormModal .form-check:hover {
+        background: rgba(0, 0, 0, 0.02);
+    }
+    
+    [data-bs-theme="dark"] #alertNoteFormModal .form-check:hover {
+        background: rgba(255, 255, 255, 0.05);
+    }
+    
+    #alertNoteFormModal .form-check-input {
+        width: 1.25rem;
+        height: 1.25rem;
+        margin-top: 0.125rem;
+        cursor: pointer;
+    }
+    
+    #alertNoteFormModal .form-check-label {
+        cursor: pointer;
+        user-select: none;
+    }
+    
+    /* Alert Info Box */
+    #alertNoteFormModal .alert-info {
+        border-left: 4px solid var(--bs-info);
+        background: rgba(13, 202, 240, 0.1);
+        border-radius: 8px;
+    }
+    
+    [data-bs-theme="dark"] #alertNoteFormModal .alert-info {
+        background: rgba(13, 202, 240, 0.15);
+    }
+    
+    /* Background Color Theme Support */
+    [data-bs-theme="dark"] #alertNoteFormModal .bg-light {
+        background: rgba(255, 255, 255, 0.05) !important;
+    }
+    
+    [data-bs-theme="dark"] #alertNoteFormModal .modal-header {
+        background: rgba(255, 193, 7, 0.1) !important;
+        border-bottom-color: rgba(255, 193, 7, 0.3) !important;
+    }
+    
+    /* Form Text Helpers */
+    #alertNoteFormModal .form-text {
+        font-size: 0.875rem;
+        color: #6c757d;
+    }
+    
+    /* Divider */
+    #alertNoteFormModal hr {
+        margin: 1.5rem 0;
+        opacity: 0.1;
+    }
+    
+    /* Responsive adjustments */
+    @media (max-width: 768px) {
+        #alertNoteFormModal .row > .col-md-6 {
+            margin-bottom: 1rem !important;
+        }
+    }
+</style>
+
+<script>
+let alertFormModal = null;
+let currentAlertEntityType = null;
+let currentAlertEntityId = null;
+
+async function openAlertNoteForm(entityType, entityId, alertId = null) {
+    currentAlertEntityType = entityType;
+    currentAlertEntityId = entityId;
+    
+    // Load groups and users for restrictions
+    await loadGroupsAndUsers();
+    
+    if (alertId) {
+        // Edit mode
+        await loadAlertForEdit(alertId);
+        document.getElementById('alertFormTitle').textContent = 'Rediger Alert Note';
+    } else {
+        // Create mode
+        document.getElementById('alertFormTitle').textContent = 'Opret Alert Note';
+        document.getElementById('alertNoteForm').reset();
+        document.getElementById('alertNoteId').value = '';
+        document.getElementById('alertRequiresAck').checked = true;
+        document.getElementById('alertActive').checked = true;
+        document.getElementById('alertSeverity').value = 'warning';
+    }
+    
+    document.getElementById('alertEntityType').value = entityType;
+    document.getElementById('alertEntityId').value = entityId;
+    
+    // Show modal
+    const modalEl = document.getElementById('alertNoteFormModal');
+    alertFormModal = new bootstrap.Modal(modalEl);
+    alertFormModal.show();
+}
+
+async function loadGroupsAndUsers() {
+    try {
+        // Load groups
+        const groupsResponse = await fetch('/api/v1/admin/groups', {
+            credentials: 'include'
+        });
+        if (groupsResponse.ok) {
+            const groups = await groupsResponse.json();
+            const groupsSelect = document.getElementById('alertGroups');
+            groupsSelect.innerHTML = groups.map(g => 
+                `<option value="${g.id}">${g.name}</option>`
+            ).join('');
+        }
+        
+        // Load users
+        const usersResponse = await fetch('/api/v1/admin/users', {
+            credentials: 'include'
+        });
+        if (usersResponse.ok) {
+            const users = await usersResponse.json();
+            const usersSelect = document.getElementById('alertUsers');
+            usersSelect.innerHTML = users.map(u => 
+                `<option value="${u.user_id}">${u.full_name || u.username} (${u.username})</option>`
+            ).join('');
+        }
+    } catch (error) {
+        console.error('Error loading groups/users:', error);
+    }
+}
+
+async function loadAlertForEdit(alertId) {
+    try {
+        const response = await fetch(`/api/v1/alert-notes?entity_type=${currentAlertEntityType}&entity_id=${currentAlertEntityId}`, {
+            credentials: 'include'
+        });
+        if (!response.ok) throw new Error('Failed to load alert');
+        
+        const alerts = await response.json();
+        const alert = alerts.find(a => a.id === alertId);
+        
+        if (!alert) throw new Error('Alert not found');
+        
+        document.getElementById('alertNoteId').value = alert.id;
+        document.getElementById('alertTitle').value = alert.title;
+        document.getElementById('alertMessage').value = alert.message;
+        document.getElementById('alertSeverity').value = alert.severity;
+        document.getElementById('alertRequiresAck').checked = alert.requires_acknowledgement;
+        document.getElementById('alertActive').checked = alert.active;
+        
+        // Set restrictions
+        if (alert.restrictions && alert.restrictions.length > 0) {
+            const groupIds = alert.restrictions
+                .filter(r => r.restriction_type === 'group')
+                .map(r => r.restriction_id);
+            const userIds = alert.restrictions
+                .filter(r => r.restriction_type === 'user')
+                .map(r => r.restriction_id);
+            
+            // Select options
+            Array.from(document.getElementById('alertGroups').options).forEach(opt => {
+                opt.selected = groupIds.includes(parseInt(opt.value));
+            });
+            Array.from(document.getElementById('alertUsers').options).forEach(opt => {
+                opt.selected = userIds.includes(parseInt(opt.value));
+            });
+        }
+    } catch (error) {
+        console.error('Error loading alert for edit:', error);
+        alert('Kunne ikke indlæse alert. Prøv igen.');
+    }
+}
+
+async function saveAlertNote() {
+    const form = document.getElementById('alertNoteForm');
+    if (!form.checkValidity()) {
+        form.reportValidity();
+        return;
+    }
+    
+    const alertId = document.getElementById('alertNoteId').value;
+    const isEdit = !!alertId;
+    
+    // Get selected groups and users
+    const selectedGroups = Array.from(document.getElementById('alertGroups').selectedOptions)
+        .map(opt => parseInt(opt.value));
+    const selectedUsers = Array.from(document.getElementById('alertUsers').selectedOptions)
+        .map(opt => parseInt(opt.value));
+    
+    // Build data object - different structure for create vs update
+    let data;
+    if (isEdit) {
+        // PATCH: Only send fields to update (no entity_type, entity_id)
+        data = {
+            title: document.getElementById('alertTitle').value,
+            message: document.getElementById('alertMessage').value,
+            severity: document.getElementById('alertSeverity').value,
+            requires_acknowledgement: document.getElementById('alertRequiresAck').checked,
+            active: document.getElementById('alertActive').checked,
+            restriction_group_ids: selectedGroups,
+            restriction_user_ids: selectedUsers
+        };
+    } else {
+        // POST: Include entity_type and entity_id for creation
+        data = {
+            entity_type: document.getElementById('alertEntityType').value,
+            entity_id: parseInt(document.getElementById('alertEntityId').value),
+            title: document.getElementById('alertTitle').value,
+            message: document.getElementById('alertMessage').value,
+            severity: document.getElementById('alertSeverity').value,
+            requires_acknowledgement: document.getElementById('alertRequiresAck').checked,
+            active: document.getElementById('alertActive').checked,
+            restriction_group_ids: selectedGroups,
+            restriction_user_ids: selectedUsers
+        };
+    }
+    
+    try {
+        const saveBtn = document.getElementById('saveAlertNoteBtn');
+        saveBtn.disabled = true;
+        saveBtn.innerHTML = '<span class="spinner-border spinner-border-sm me-2"></span>Gemmer...';
+        
+        // Debug logging
+        console.log('Saving alert note:', { isEdit, alertId, data });
+        
+        let response;
+        if (isEdit) {
+            // Update existing
+            response = await fetch(`/api/v1/alert-notes/${alertId}`, {
+                method: 'PATCH',
+                headers: { 'Content-Type': 'application/json' },
+                credentials: 'include',
+                body: JSON.stringify(data)
+            });
+        } else {
+            // Create new
+            response = await fetch('/api/v1/alert-notes', {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json' },
+                credentials: 'include',
+                body: JSON.stringify(data)
+            });
+        }
+        
+        if (!response.ok) {
+            let errorMsg = 'Failed to save alert note';
+            try {
+                const error = await response.json();
+                console.error('API Error Response:', error);
+                
+                // Handle Pydantic validation errors
+                if (error.detail && Array.isArray(error.detail)) {
+                    errorMsg = error.detail.map(e => `${e.loc.join('.')}: ${e.msg}`).join('\n');
+                } else if (error.detail) {
+                    errorMsg = error.detail;
+                }
+            } catch (e) {
+                errorMsg = `HTTP ${response.status}: ${response.statusText}`;
+            }
+            throw new Error(errorMsg);
+        }
+        
+        // Success
+        alertFormModal.hide();
+        
+        // Reload alerts on page
+        loadAndDisplayAlerts(
+            currentAlertEntityType, 
+            currentAlertEntityId, 
+            'inline', 
+            'alert-notes-container'
+        );
+        
+        // Show success message
+        showSuccessToast(isEdit ? 'Alert note opdateret!' : 'Alert note oprettet!');
+        
+    } catch (error) {
+        console.error('Error saving alert note:', error);
+        
+        // Show detailed error message
+        const errorDiv = document.createElement('div');
+        errorDiv.className = 'alert alert-danger alert-dismissible fade show mt-3';
+        errorDiv.innerHTML = `
+            <strong>Kunne ikke gemme alert note:</strong><br>
+            <pre style="white-space: pre-wrap; margin-top: 10px; font-size: 0.9em;">${error.message}</pre>
+            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
+        `;
+        
+        // Insert error before form
+        const modalBody = document.querySelector('#alertNoteFormModal .modal-body');
+        modalBody.insertBefore(errorDiv, modalBody.firstChild);
+        
+        // Auto-remove after 10 seconds
+        setTimeout(() => {
+            if (errorDiv.parentNode) {
+                errorDiv.remove();
+            }
+        }, 10000);
+    } finally {
+        const saveBtn = document.getElementById('saveAlertNoteBtn');
+        saveBtn.disabled = false;
+        saveBtn.innerHTML = '<i class="bi bi-save me-2"></i>Gem Alert Note';
+    }
+}
+
+function showSuccessToast(message) {
+    // Simple toast notification
+    const toast = document.createElement('div');
+    toast.className = 'alert alert-success position-fixed bottom-0 end-0 m-3';
+    toast.style.zIndex = '9999';
+    toast.innerHTML = `<i class="bi bi-check-circle me-2"></i>${message}`;
+    document.body.appendChild(toast);
+    
+    setTimeout(() => {
+        toast.classList.add('fade');
+        setTimeout(() => toast.remove(), 150);
+    }, 3000);
+}
+
+// Make functions globally available
+window.openAlertNoteForm = openAlertNoteForm;
+window.saveAlertNote = saveAlertNote;
+</script>
diff --git a/app/alert_notes/frontend/alert_modal.html b/app/alert_notes/frontend/alert_modal.html
new file mode 100644
index 0000000..bf3ac8c
--- /dev/null
+++ b/app/alert_notes/frontend/alert_modal.html
@@ -0,0 +1,198 @@
+<!-- Alert Notes Modal Component - For popup display -->
+<div class="modal fade" id="alertNoteModal" tabindex="-1" aria-labelledby="alertNoteModalLabel" aria-hidden="true">
+    <div class="modal-dialog modal-dialog-centered">
+        <div class="modal-content">
+            <div class="modal-header" id="alertModalHeader">
+                <h5 class="modal-title" id="alertNoteModalLabel">
+                    <i class="bi bi-exclamation-triangle-fill"></i> Vigtig information
+                </h5>
+                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Luk"></button>
+            </div>
+            <div class="modal-body" id="alertModalBody">
+                <!-- Alert content will be inserted here -->
+            </div>
+            <div class="modal-footer" id="alertModalFooter">
+                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Luk</button>
+                <button type="button" class="btn btn-primary" id="alertModalAcknowledgeBtn" style="display: none;">
+                    <i class="bi bi-check-circle"></i> Forstået
+                </button>
+            </div>
+        </div>
+    </div>
+</div>
+
+<style>
+    #alertNoteModal .modal-header.severity-info {
+        background: linear-gradient(135deg, #0dcaf0 0%, #00b4d8 100%);
+        color: white;
+    }
+
+    #alertNoteModal .modal-header.severity-warning {
+        background: linear-gradient(135deg, #ffc107 0%, #ffb703 100%);
+        color: #000;
+    }
+
+    #alertNoteModal .modal-header.severity-critical {
+        background: linear-gradient(135deg, #dc3545 0%, #bb2d3b 100%);
+        color: white;
+    }
+
+    .alert-modal-content {
+        padding: 15px 0;
+    }
+
+    .alert-modal-title {
+        font-weight: 600;
+        font-size: 1.2rem;
+        margin-bottom: 15px;
+        padding-bottom: 10px;
+        border-bottom: 2px solid #dee2e6;
+    }
+
+    .alert-modal-message {
+        line-height: 1.6;
+        margin-bottom: 15px;
+        white-space: pre-wrap;
+    }
+
+    .alert-modal-restrictions {
+        background: #f8f9fa;
+        padding: 15px;
+        border-radius: 8px;
+        border-left: 4px solid #0f4c75;
+        margin-top: 15px;
+    }
+
+    [data-bs-theme="dark"] .alert-modal-restrictions {
+        background: #2c3034;
+    }
+
+    .alert-modal-restrictions strong {
+        display: block;
+        margin-bottom: 8px;
+        color: var(--accent);
+    }
+
+    .alert-modal-restrictions ul {
+        margin-bottom: 0;
+        padding-left: 20px;
+    }
+
+    .alert-modal-meta {
+        font-size: 0.85rem;
+        color: var(--text-secondary);
+        margin-top: 15px;
+        padding-top: 15px;
+        border-top: 1px solid #dee2e6;
+    }
+</style>
+
+<script>
+let currentAlertModal = null;
+let currentAlerts = [];
+
+function showAlertModal(alerts) {
+    if (!alerts || alerts.length === 0) return;
+    
+    currentAlerts = alerts;
+    const modal = document.getElementById('alertNoteModal');
+    const modalHeader = document.getElementById('alertModalHeader');
+    const modalBody = document.getElementById('alertModalBody');
+    const modalAckBtn = document.getElementById('alertModalAcknowledgeBtn');
+    
+    // Set severity styling (use highest severity)
+    const highestSeverity = alerts.find(a => a.severity === 'critical') ? 'critical' :
+                           alerts.find(a => a.severity === 'warning') ? 'warning' : 'info';
+    
+    modalHeader.className = `modal-header severity-${highestSeverity}`;
+    
+    // Build content
+    let contentHtml = '';
+    
+    alerts.forEach((alert, index) => {
+        const severityText = alert.severity === 'info' ? 'INFO' : 
+                           alert.severity === 'warning' ? 'ADVARSEL' : 'KRITISK';
+        
+        let restrictionsHtml = '';
+        if (alert.restrictions && alert.restrictions.length > 0) {
+            const restrictionsList = alert.restrictions
+                .map(r => `<li>${r.restriction_name}</li>`)
+                .join('');
+            restrictionsHtml = `
+                <div class="alert-modal-restrictions">
+                    <strong><i class="bi bi-shield-lock"></i> Kun følgende må håndtere denne ${alert.entity_type === 'customer' ? 'kunde' : 'kontakt'}:</strong>
+                    <ul>${restrictionsList}</ul>
+                </div>
+            `;
+        }
+        
+        const createdBy = alert.created_by_user_name ? ` • Oprettet af ${alert.created_by_user_name}` : '';
+        
+        contentHtml += `
+            <div class="alert-modal-content" data-alert-id="${alert.id}">
+                ${index > 0 ? '<hr>' : ''}
+                <div class="alert-modal-title">
+                    <span class="badge bg-${alert.severity === 'critical' ? 'danger' : alert.severity === 'warning' ? 'warning' : 'info'}">
+                        ${severityText}
+                    </span>
+                    ${alert.title}
+                </div>
+                <div class="alert-modal-message">${alert.message}</div>
+                ${restrictionsHtml}
+                <div class="alert-modal-meta">
+                    <i class="bi bi-calendar"></i> ${new Date(alert.created_at).toLocaleDateString('da-DK', { 
+                        year: 'numeric', 
+                        month: 'long', 
+                        day: 'numeric' 
+                    })}${createdBy}
+                </div>
+            </div>
+        `;
+    });
+    
+    modalBody.innerHTML = contentHtml;
+    
+    // Show acknowledge button if any alert requires it and user hasn't acknowledged
+    const requiresAck = alerts.some(a => a.requires_acknowledgement && !a.user_has_acknowledged);
+    if (requiresAck) {
+        modalAckBtn.style.display = 'inline-block';
+        modalAckBtn.onclick = function() {
+            acknowledgeAllAlerts();
+        };
+    } else {
+        modalAckBtn.style.display = 'none';
+    }
+    
+    // Show modal
+    currentAlertModal = new bootstrap.Modal(modal);
+    currentAlertModal.show();
+}
+
+function acknowledgeAllAlerts() {
+    const promises = currentAlerts
+        .filter(a => a.requires_acknowledgement && !a.user_has_acknowledged)
+        .map(alert => {
+            return fetch(`/api/v1/alert-notes/${alert.id}/acknowledge`, {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json'
+                }
+            });
+        });
+    
+    Promise.all(promises)
+        .then(() => {
+            if (currentAlertModal) {
+                currentAlertModal.hide();
+            }
+            // Reload alerts on the page if in inline view
+            if (typeof loadAlerts === 'function') {
+                loadAlerts();
+            }
+        })
+        .catch(error => {
+            console.error('Error acknowledging alerts:', error);
+            alert('Kunne ikke markere som læst. Prøv igen.');
+        });
+}
+</script>
diff --git a/app/contacts/frontend/contact_detail.html b/app/contacts/frontend/contact_detail.html
index 223cecf..f61d04a 100644
--- a/app/contacts/frontend/contact_detail.html
+++ b/app/contacts/frontend/contact_detail.html
@@ -134,6 +134,9 @@
                 </div>
             </div>
             <div class="d-flex gap-2">
+                <button class="btn btn-warning btn-sm" onclick="openAlertNoteForm('contact', contactId)" title="Opret vigtig information/advarsel om denne kontakt">
+                    <i class="bi bi-exclamation-triangle-fill me-2"></i>Alert Note
+                </button>
                 <button class="btn btn-light btn-sm" onclick="editContact()">
                     <i class="bi bi-pencil me-2"></i>Rediger
                 </button>
@@ -144,6 +147,9 @@
         </div>
     </div>
 
+    <!-- Alert Notes Container -->
+    <div id="alert-notes-container"></div>
+
     <!-- Content Layout with Sidebar Navigation -->
     <div class="row">
         <div class="col-lg-3 col-md-4">
@@ -784,6 +790,12 @@
 {% endblock %}
 
 {% block extra_js %}
+<!-- Alert Notes Components -->
+<script src="/static/alert_notes/alert_check.js"></script>
+{% include "alert_notes/frontend/alert_box.html" %}
+{% include "alert_notes/frontend/alert_modal.html" %}
+{% include "alert_notes/frontend/alert_form_modal.html" %}
+
 <script>
 const contactId = parseInt(window.location.pathname.split('/').pop());
 let contactData = null;
@@ -931,6 +943,9 @@ function displayContact(contact) {
     if (document.querySelector('a[href="#companies"]').classList.contains('active')) {
         displayCompanies(contact.companies);
     }
+    
+    // Load Alert Notes for this contact
+    loadAndDisplayAlerts('contact', contact.id, 'inline', 'alert-notes-container');
 }
 
 function renderNumberActions(number, allowSms = false, contact = null) {
diff --git a/app/customers/frontend/customer_detail.html b/app/customers/frontend/customer_detail.html
index cb6a70c..31d8b91 100644
--- a/app/customers/frontend/customer_detail.html
+++ b/app/customers/frontend/customer_detail.html
@@ -245,6 +245,9 @@
                 </div>
             </div>
             <div class="d-flex gap-2">
+                <button class="btn btn-warning btn-sm" onclick="openAlertNoteForm('customer', customerId)" title="Opret vigtig information/advarsel om denne kunde">
+                    <i class="bi bi-exclamation-triangle-fill me-2"></i>Alert Note
+                </button>
                 <button class="btn btn-edit-customer" onclick="editCustomer()">
                     <i class="bi bi-pencil-square me-2"></i>Rediger Kunde
                 </button>
@@ -255,6 +258,9 @@
         </div>
     </div>
 
+    <!-- Alert Notes Container -->
+    <div id="alert-notes-container"></div>
+
     <!-- Bankruptcy Alert -->
     <div id="bankruptcyAlert" class="alert alert-danger d-flex align-items-center mb-4 d-none border-0 shadow-sm" role="alert" style="background-color: #ffeaea; color: #842029;">
         <i class="bi bi-shield-exclamation flex-shrink-0 me-3 fs-2 animate__animated animate__pulse animate__infinite"></i>
@@ -1188,6 +1194,12 @@
 {% endblock %}
 
 {% block extra_js %}
+<!-- Alert Notes Components -->
+<script src="/static/alert_notes/alert_check.js"></script>
+{% include "alert_notes/frontend/alert_box.html" %}
+{% include "alert_notes/frontend/alert_modal.html" %}
+{% include "alert_notes/frontend/alert_form_modal.html" %}
+
 <script>
 const customerId = parseInt(window.location.pathname.split('/').pop());
 let customerData = null;
@@ -1403,6 +1415,9 @@ function displayCustomer(customer) {
         ? new Date(customer.economic_last_sync_at).toLocaleString('da-DK')
         : '-';
     document.getElementById('createdAt').textContent = new Date(customer.created_at).toLocaleString('da-DK');
+    
+    // Load Alert Notes for this customer
+    loadAndDisplayAlerts('customer', customer.id, 'inline', 'alert-notes-container');
 }
 
 function renderCustomerCallNumber(number) {
diff --git a/app/jobs/backfill_vtiger_archived_contacts.py b/app/jobs/backfill_vtiger_archived_contacts.py
new file mode 100644
index 0000000..7628d43
--- /dev/null
+++ b/app/jobs/backfill_vtiger_archived_contacts.py
@@ -0,0 +1,223 @@
+"""
+Backfill organization_name/contact_name on archived vTiger tickets.
+
+Usage:
+  python -m app.jobs.backfill_vtiger_archived_contacts --limit 200 --sleep 0.35 --retries 8
+"""
+
+import argparse
+import asyncio
+import logging
+from typing import Any, Optional
+
+from app.core.database import init_db, execute_query, execute_update
+from app.services.vtiger_service import get_vtiger_service
+
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger("vtiger_backfill")
+
+
+def _first_value(data: dict, keys: list[str]) -> Optional[str]:
+    for key in keys:
+        value = data.get(key)
+        if value is None:
+            continue
+        text = str(value).strip()
+        if text:
+            return text
+    return None
+
+
+def _looks_like_external_id(value: Optional[str]) -> bool:
+    if not value:
+        return False
+    text = str(value)
+    return "x" in text and len(text) >= 4
+
+
+async def _query_with_retry(vtiger: Any, query_string: str, retries: int, base_delay: float) -> list[dict]:
+    for attempt in range(retries + 1):
+        result = await vtiger.query(query_string)
+        status_code = getattr(vtiger, "last_query_status", None)
+        error = getattr(vtiger, "last_query_error", None) or {}
+        error_code = error.get("code") if isinstance(error, dict) else None
+
+        if status_code != 429 and error_code != "TOO_MANY_REQUESTS":
+            return result
+
+        if attempt < retries:
+            await asyncio.sleep(base_delay * (2**attempt))
+
+    return []
+
+
+async def run(limit: int, sleep_seconds: float, retries: int, base_delay: float, only_missing_both: bool) -> None:
+    init_db()
+    vtiger = get_vtiger_service()
+
+    missing_clause = (
+        "COALESCE(NULLIF(BTRIM(organization_name), ''), NULL) IS NULL "
+        "AND COALESCE(NULLIF(BTRIM(contact_name), ''), NULL) IS NULL"
+        if only_missing_both
+        else "COALESCE(NULLIF(BTRIM(organization_name), ''), NULL) IS NULL OR COALESCE(NULLIF(BTRIM(contact_name), ''), NULL) IS NULL"
+    )
+
+    rows = execute_query(
+        f"""
+        SELECT id, external_id, organization_name, contact_name
+        FROM tticket_archived_tickets
+        WHERE source_system = 'vtiger'
+          AND ({missing_clause})
+        ORDER BY id ASC
+        LIMIT %s
+        """,
+        (limit,),
+    ) or []
+
+    logger.info("Candidates: %s", len(rows))
+
+    account_cache: dict[str, Optional[str]] = {}
+    contact_cache: dict[str, Optional[str]] = {}
+    contact_account_cache: dict[str, Optional[str]] = {}
+
+    stats = {
+        "candidates": len(rows),
+        "updated": 0,
+        "unchanged": 0,
+        "case_missing": 0,
+        "errors": 0,
+    }
+
+    for row in rows:
+        archived_id = row["id"]
+        external_id = row["external_id"]
+        existing_org = (row.get("organization_name") or "").strip()
+        existing_contact = (row.get("contact_name") or "").strip()
+
+        try:
+            case_rows = await _query_with_retry(
+                vtiger,
+                f"SELECT * FROM Cases WHERE id='{external_id}' LIMIT 1;",
+                retries=retries,
+                base_delay=base_delay,
+            )
+            if not case_rows:
+                stats["case_missing"] += 1
+                continue
+
+            case_data = case_rows[0]
+            organization_name = _first_value(case_data, ["accountname", "account_name", "organization", "company"])
+            contact_name = _first_value(case_data, ["contactname", "contact_name", "contact", "firstname", "lastname"])
+
+            account_id = _first_value(case_data, ["parent_id", "account_id", "accountid", "account"])
+            if not organization_name and _looks_like_external_id(account_id):
+                if account_id not in account_cache:
+                    account_rows = await _query_with_retry(
+                        vtiger,
+                        f"SELECT * FROM Accounts WHERE id='{account_id}' LIMIT 1;",
+                        retries=retries,
+                        base_delay=base_delay,
+                    )
+                    account_cache[account_id] = _first_value(
+                        account_rows[0] if account_rows else {},
+                        ["accountname", "account_name", "name"],
+                    )
+                organization_name = account_cache.get(account_id)
+
+            contact_id = _first_value(case_data, ["contact_id", "contactid"])
+            if _looks_like_external_id(contact_id):
+                if contact_id not in contact_cache or contact_id not in contact_account_cache:
+                    contact_rows = await _query_with_retry(
+                        vtiger,
+                        f"SELECT * FROM Contacts WHERE id='{contact_id}' LIMIT 1;",
+                        retries=retries,
+                        base_delay=base_delay,
+                    )
+                    contact_data = contact_rows[0] if contact_rows else {}
+                    first_name = _first_value(contact_data, ["firstname", "first_name", "first"])
+                    last_name = _first_value(contact_data, ["lastname", "last_name", "last"])
+                    combined_name = " ".join([name for name in [first_name, last_name] if name]).strip()
+                    contact_cache[contact_id] = combined_name or _first_value(
+                        contact_data,
+                        ["contactname", "contact_name", "name"],
+                    )
+                    related_account_id = _first_value(
+                        contact_data,
+                        ["account_id", "accountid", "account", "parent_id"],
+                    )
+                    contact_account_cache[contact_id] = related_account_id if _looks_like_external_id(related_account_id) else None
+
+                if not contact_name:
+                    contact_name = contact_cache.get(contact_id)
+
+                if not organization_name:
+                    related_account_id = contact_account_cache.get(contact_id)
+                    if related_account_id:
+                        if related_account_id not in account_cache:
+                            account_rows = await _query_with_retry(
+                                vtiger,
+                                f"SELECT * FROM Accounts WHERE id='{related_account_id}' LIMIT 1;",
+                                retries=retries,
+                                base_delay=base_delay,
+                            )
+                            account_cache[related_account_id] = _first_value(
+                                account_rows[0] if account_rows else {},
+                                ["accountname", "account_name", "name"],
+                            )
+                        organization_name = account_cache.get(related_account_id)
+
+            next_org = organization_name if (not existing_org and organization_name) else None
+            next_contact = contact_name if (not existing_contact and contact_name) else None
+
+            if not next_org and not next_contact:
+                stats["unchanged"] += 1
+            else:
+                execute_update(
+                    """
+                    UPDATE tticket_archived_tickets
+                    SET organization_name = CASE
+                            WHEN COALESCE(NULLIF(BTRIM(organization_name), ''), NULL) IS NULL THEN COALESCE(%s, organization_name)
+                            ELSE organization_name
+                        END,
+                        contact_name = CASE
+                            WHEN COALESCE(NULLIF(BTRIM(contact_name), ''), NULL) IS NULL THEN COALESCE(%s, contact_name)
+                            ELSE contact_name
+                        END,
+                        last_synced_at = CURRENT_TIMESTAMP
+                    WHERE id = %s
+                    """,
+                    (next_org, next_contact, archived_id),
+                )
+                stats["updated"] += 1
+
+            await asyncio.sleep(sleep_seconds)
+
+        except Exception as exc:
+            stats["errors"] += 1
+            logger.warning("Row %s (%s) failed: %s", archived_id, external_id, exc)
+
+    logger.info("Backfill result: %s", stats)
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--limit", type=int, default=200)
+    parser.add_argument("--sleep", type=float, default=0.35)
+    parser.add_argument("--retries", type=int, default=8)
+    parser.add_argument("--base-delay", type=float, default=1.2)
+    parser.add_argument("--only-missing-both", action="store_true")
+    args = parser.parse_args()
+
+    asyncio.run(
+        run(
+            limit=args.limit,
+            sleep_seconds=args.sleep,
+            retries=args.retries,
+            base_delay=args.base_delay,
+            only_missing_both=args.only_missing_both,
+        )
+    )
+
+
+if __name__ == "__main__":
+    main()
diff --git a/app/modules/sag/templates/detail.html b/app/modules/sag/templates/detail.html
index d1a517f..bf8ae51 100644
--- a/app/modules/sag/templates/detail.html
+++ b/app/modules/sag/templates/detail.html
@@ -81,6 +81,12 @@
         border: 1px solid rgba(0,0,0,0.1);
     }
 
+    /* Wider tooltip for relation type explanations */
+    .tooltip-wide .tooltip-inner {
+        max-width: 400px;
+        text-align: left;
+    }
+
     .tag-closed {
         background-color: #e0e0e0;
         color: #666;
@@ -953,7 +959,15 @@
         <div class="col-12 mb-3">
             <div class="card h-100 d-flex flex-column" data-module="relations" data-has-content="{{ 'true' if relation_tree else 'false' }}">
                 <div class="card-header d-flex justify-content-between align-items-center">
-                    <h6 class="mb-0" style="color: var(--accent);">🔗 Relationer</h6>
+                    <h6 class="mb-0" style="color: var(--accent);">
+                        🔗 Relationer
+                        <i class="bi bi-info-circle-fill ms-2" 
+                           style="font-size: 0.85rem; cursor: help; opacity: 0.7;"
+                           data-bs-toggle="tooltip" 
+                           data-bs-placement="right"
+                           data-bs-html="true"
+                           title="<div class='text-start'><strong>Relateret til:</strong> Faglig kobling uden direkte afhængighed.<br><strong>Afledt af:</strong> Denne sag er opstået på baggrund af en anden sag.<br><strong>Årsag til:</strong> Denne sag er årsagen til en anden sag.<br><strong>Blokkerer:</strong> Arbejde i en sag stopper fremdrift i den anden.</div>"></i>
+                    </h6>
                     <div class="d-flex gap-2">
                         <button class="btn btn-sm btn-outline-primary" onclick="showRelationModal()">
                             <i class="bi bi-link-45deg"></i>
@@ -964,13 +978,6 @@
                     </div>
                 </div>
                 <div class="card-body flex-grow-1 overflow-auto" style="max-height: 300px;">
-                    <div class="alert alert-light border small py-2 px-3 mb-3">
-                        <div class="fw-semibold mb-1"><i class="bi bi-info-circle me-1"></i>Hvad betyder relationstyper?</div>
-                        <div><strong>Relateret til</strong>: Faglig kobling uden direkte afhængighed.</div>
-                        <div><strong>Afledt af</strong>: Denne sag er opstået på baggrund af en anden sag.</div>
-                        <div><strong>Årsag til</strong>: Denne sag er årsagen til en anden sag.</div>
-                        <div><strong>Blokkerer</strong>: Arbejde i en sag stopper fremdrift i den anden.</div>
-                    </div>
                     {% macro render_tree(nodes) %}
                         <ul class="relation-tree">
                         {% for node in nodes %}
@@ -1546,6 +1553,13 @@
 
         // Initialize everything when DOM is ready
         document.addEventListener('DOMContentLoaded', () => {
+            // Initialize Bootstrap tooltips
+            document.querySelectorAll('[data-bs-toggle="tooltip"]').forEach((el) => {
+                new bootstrap.Tooltip(el, {
+                    customClass: 'tooltip-wide'
+                });
+            });
+
             // Initialize modals
             contactSearchModal = new bootstrap.Modal(document.getElementById('contactSearchModal'));
             customerSearchModal = new bootstrap.Modal(document.getElementById('customerSearchModal'));
diff --git a/app/modules/telefoni/backend/router.py b/app/modules/telefoni/backend/router.py
index bce779b..80c6c7e 100644
--- a/app/modules/telefoni/backend/router.py
+++ b/app/modules/telefoni/backend/router.py
@@ -212,7 +212,7 @@ async def yealink_established(
     ekstern_value = ekstern_e164 or ((ekstern_raw or "").strip() or None)
     suffix8 = phone_suffix_8(ekstern_raw)
 
-    user_id = TelefoniService.find_user_by_extension(local_extension)
+    user_ids = TelefoniService.find_user_by_extension(local_extension)
 
     kontakt = TelefoniService.find_contact_by_phone_suffix(suffix8)
     kontakt_id = kontakt.get("id") if kontakt else None
@@ -237,9 +237,11 @@ async def yealink_established(
         "received_at": datetime.utcnow().isoformat(),
     }
 
+    # Store call with first user_id (or None if no users)
+    primary_user_id = user_ids[0] if user_ids else None
     row = TelefoniService.upsert_call(
         callid=resolved_callid,
-        user_id=user_id,
+        user_id=primary_user_id,
         direction=direction,
         ekstern_nummer=ekstern_value,
         intern_extension=(local_extension or "")[:16] or None,
@@ -248,19 +250,19 @@ async def yealink_established(
         started_at=datetime.utcnow(),
     )
 
-    if user_id:
-        await manager.send_to_user(
-            user_id,
-            "incoming_call",
-            {
-                "call_id": str(row.get("id") or resolved_callid),
-                "number": ekstern_e164 or (ekstern_raw or ""),
-                "direction": direction,
-                "contact": kontakt,
-                "recent_cases": contact_details.get("recent_cases", []),
-                "last_call": contact_details.get("last_call"),
-            },
-        )
+    # Send websocket notification to ALL users with this extension
+    if user_ids:
+        call_data = {
+            "call_id": str(row.get("id") or resolved_callid),
+            "number": ekstern_e164 or (ekstern_raw or ""),
+            "direction": direction,
+            "contact": kontakt,
+            "recent_cases": contact_details.get("recent_cases", []),
+            "last_call": contact_details.get("last_call"),
+        }
+        for user_id in user_ids:
+            await manager.send_to_user(user_id, "incoming_call", call_data)
+        logger.info("📞 Telefoni notification sent to %d user(s) for extension=%s", len(user_ids), local_extension)
     else:
         logger.info("⚠️ Telefoni established: no mapped user for extension=%s (callid=%s)", local_extension, resolved_callid)
 
@@ -384,7 +386,9 @@ async def telefoni_test_popup(
         if user_id:
             target_user_id = int(user_id)
         elif extension:
-            target_user_id = TelefoniService.find_user_by_extension(extension)
+            # find_user_by_extension now returns list - take first match for test
+            user_ids = TelefoniService.find_user_by_extension(extension)
+            target_user_id = user_ids[0] if user_ids else None
 
     if not target_user_id:
         raise HTTPException(status_code=422, detail="Provide user_id or extension when using token auth")
diff --git a/app/modules/telefoni/backend/service.py b/app/modules/telefoni/backend/service.py
index 3642ecb..295f644 100644
--- a/app/modules/telefoni/backend/service.py
+++ b/app/modules/telefoni/backend/service.py
@@ -9,14 +9,15 @@ logger = logging.getLogger(__name__)
 
 class TelefoniService:
     @staticmethod
-    def find_user_by_extension(extension: Optional[str]) -> Optional[int]:
+    def find_user_by_extension(extension: Optional[str]) -> list[int]:
+        """Find all users with the given extension - returns list of user_ids."""
         if not extension:
-            return None
-        row = execute_query_single(
-            "SELECT user_id FROM users WHERE telefoni_aktiv = TRUE AND telefoni_extension = %s LIMIT 1",
+            return []
+        rows = execute_query(
+            "SELECT user_id FROM users WHERE telefoni_aktiv = TRUE AND telefoni_extension = %s ORDER BY user_id",
             (extension,),
         )
-        return int(row["user_id"]) if row and row.get("user_id") is not None else None
+        return [int(row["user_id"]) for row in rows if row.get("user_id") is not None]
 
     @staticmethod
     def find_contact_by_phone_suffix(suffix8: Optional[str]) -> Optional[dict]:
diff --git a/main.py b/main.py
index f0d536b..ac38736 100644
--- a/main.py
+++ b/main.py
@@ -29,6 +29,7 @@ from app.customers.backend import router as customers_api
 from app.customers.backend import views as customers_views
 from app.customers.backend import bmc_office_router
 # from app.hardware.backend import router as hardware_api  # Replaced by hardware module
+from app.alert_notes.backend import router as alert_notes_api
 from app.billing.backend import router as billing_api
 from app.billing.frontend import views as billing_views
 from app.system.backend import router as system_api
@@ -274,6 +275,7 @@ async def auth_middleware(request: Request, call_next):
 app.include_router(customers_api.router, prefix="/api/v1", tags=["Customers"])
 app.include_router(bmc_office_router.router, prefix="/api/v1", tags=["BMC Office"])
 # app.include_router(hardware_api.router, prefix="/api/v1", tags=["Hardware"])  # Replaced by hardware module
+app.include_router(alert_notes_api, prefix="/api/v1", tags=["Alert Notes"])
 app.include_router(billing_api.router, prefix="/api/v1", tags=["Billing"])
 app.include_router(system_api.router, prefix="/api/v1", tags=["System"])
 app.include_router(dashboard_api.router, prefix="/api/v1", tags=["Dashboard"])
diff --git a/migrations/1001_alert_notes_system.sql b/migrations/1001_alert_notes_system.sql
new file mode 100644
index 0000000..47eecd1
--- /dev/null
+++ b/migrations/1001_alert_notes_system.sql
@@ -0,0 +1,102 @@
+-- Migration 1001: Alert Notes System
+-- Description: Contextual popup/info system for customers and contacts
+-- Date: 2026-02-17
+
+-- Alert Notes main table
+CREATE TABLE IF NOT EXISTS alert_notes (
+    id SERIAL PRIMARY KEY,
+    entity_type VARCHAR(20) NOT NULL CHECK (entity_type IN ('customer', 'contact')),
+    entity_id INTEGER NOT NULL,
+    title VARCHAR(255) NOT NULL,
+    message TEXT NOT NULL,
+    severity VARCHAR(20) NOT NULL DEFAULT 'info' CHECK (severity IN ('info', 'warning', 'critical')),
+    requires_acknowledgement BOOLEAN DEFAULT TRUE,
+    active BOOLEAN DEFAULT TRUE,
+    created_by_user_id INTEGER REFERENCES users(user_id) ON DELETE SET NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Alert Note Restrictions (who is allowed to handle the customer/contact)
+-- Supports both group-based and user-based restrictions
+CREATE TABLE IF NOT EXISTS alert_note_restrictions (
+    id SERIAL PRIMARY KEY,
+    alert_note_id INTEGER NOT NULL REFERENCES alert_notes(id) ON DELETE CASCADE,
+    restriction_type VARCHAR(20) NOT NULL CHECK (restriction_type IN ('group', 'user')),
+    restriction_id INTEGER NOT NULL,
+    -- restriction_id references either groups.id or users.user_id depending on restriction_type
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE(alert_note_id, restriction_type, restriction_id)
+);
+
+-- Alert Note Acknowledgements (tracking who has seen and acknowledged alerts)
+CREATE TABLE IF NOT EXISTS alert_note_acknowledgements (
+    id SERIAL PRIMARY KEY,
+    alert_note_id INTEGER NOT NULL REFERENCES alert_notes(id) ON DELETE CASCADE,
+    user_id INTEGER NOT NULL REFERENCES users(user_id) ON DELETE CASCADE,
+    acknowledged_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE(alert_note_id, user_id)
+);
+
+-- Create indexes for performance
+CREATE INDEX IF NOT EXISTS idx_alert_notes_entity ON alert_notes(entity_type, entity_id);
+CREATE INDEX IF NOT EXISTS idx_alert_notes_active ON alert_notes(active) WHERE active = TRUE;
+CREATE INDEX IF NOT EXISTS idx_alert_notes_severity ON alert_notes(severity);
+CREATE INDEX IF NOT EXISTS idx_alert_notes_created_by ON alert_notes(created_by_user_id);
+CREATE INDEX IF NOT EXISTS idx_alert_note_restrictions_alert ON alert_note_restrictions(alert_note_id);
+CREATE INDEX IF NOT EXISTS idx_alert_note_acknowledgements_alert ON alert_note_acknowledgements(alert_note_id);
+CREATE INDEX IF NOT EXISTS idx_alert_note_acknowledgements_user ON alert_note_acknowledgements(user_id);
+
+-- Trigger to update updated_at timestamp
+CREATE OR REPLACE FUNCTION update_alert_notes_updated_at()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = CURRENT_TIMESTAMP;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER trigger_update_alert_notes_updated_at
+    BEFORE UPDATE ON alert_notes
+    FOR EACH ROW
+    EXECUTE FUNCTION update_alert_notes_updated_at();
+
+-- Add alert_notes permissions
+INSERT INTO permissions (code, description, category) VALUES
+('alert_notes.view', 'View alert notes', 'alert_notes'),
+('alert_notes.create', 'Create alert notes', 'alert_notes'),
+('alert_notes.edit', 'Edit alert notes', 'alert_notes'),
+('alert_notes.delete', 'Delete alert notes', 'alert_notes'),
+('alert_notes.manage', 'Full management of alert notes', 'alert_notes')
+ON CONFLICT (code) DO NOTHING;
+
+-- Assign all alert_notes permissions to Administrators group
+INSERT INTO group_permissions (group_id, permission_id)
+SELECT g.id, p.id
+FROM groups g
+CROSS JOIN permissions p
+WHERE g.name = 'Administrators' AND p.category = 'alert_notes'
+ON CONFLICT DO NOTHING;
+
+-- Assign create, edit permissions to Managers group
+INSERT INTO group_permissions (group_id, permission_id)
+SELECT g.id, p.id
+FROM groups g
+CROSS JOIN permissions p
+WHERE g.name = 'Managers' AND p.code IN (
+    'alert_notes.view', 'alert_notes.create', 'alert_notes.edit'
+)
+ON CONFLICT DO NOTHING;
+
+-- Assign view permission to all other groups (Technicians, Viewers)
+INSERT INTO group_permissions (group_id, permission_id)
+SELECT g.id, p.id
+FROM groups g
+CROSS JOIN permissions p
+WHERE g.name IN ('Technicians', 'Viewers') AND p.code = 'alert_notes.view'
+ON CONFLICT DO NOTHING;
+
+-- Verify migration
+SELECT 'Alert Notes system created successfully' AS status,
+       (SELECT COUNT(*) FROM alert_notes) AS alert_notes_count,
+       (SELECT COUNT(*) FROM permissions WHERE category = 'alert_notes') AS permissions_count;
diff --git a/scripts/backfill_vtiger_archived_contacts.py b/scripts/backfill_vtiger_archived_contacts.py
new file mode 100644
index 0000000..5241168
--- /dev/null
+++ b/scripts/backfill_vtiger_archived_contacts.py
@@ -0,0 +1,224 @@
+#!/usr/bin/env python3
+"""
+Backfill organization_name/contact_name on archived vTiger tickets.
+
+Usage (inside api container):
+  python scripts/backfill_vtiger_archived_contacts.py --limit 200 --sleep 0.35 --retries 8
+"""
+
+import argparse
+import asyncio
+import logging
+from typing import Any, Optional
+
+from app.core.database import init_db, execute_query, execute_update
+from app.services.vtiger_service import get_vtiger_service
+
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger("vtiger_backfill")
+
+
+def _first_value(data: dict, keys: list[str]) -> Optional[str]:
+    for key in keys:
+        value = data.get(key)
+        if value is None:
+            continue
+        text = str(value).strip()
+        if text:
+            return text
+    return None
+
+
+def _looks_like_external_id(value: Optional[str]) -> bool:
+    if not value:
+        return False
+    text = str(value)
+    return "x" in text and len(text) >= 4
+
+
+async def _query_with_retry(vtiger: Any, query_string: str, retries: int, base_delay: float) -> list[dict]:
+    for attempt in range(retries + 1):
+        result = await vtiger.query(query_string)
+        status_code = getattr(vtiger, "last_query_status", None)
+        error = getattr(vtiger, "last_query_error", None) or {}
+        error_code = error.get("code") if isinstance(error, dict) else None
+
+        if status_code != 429 and error_code != "TOO_MANY_REQUESTS":
+            return result
+
+        if attempt < retries:
+            await asyncio.sleep(base_delay * (2**attempt))
+
+    return []
+
+
+async def run(limit: int, sleep_seconds: float, retries: int, base_delay: float, only_missing_both: bool) -> None:
+    init_db()
+    vtiger = get_vtiger_service()
+
+    missing_clause = (
+        "COALESCE(NULLIF(BTRIM(organization_name), ''), NULL) IS NULL "
+        "AND COALESCE(NULLIF(BTRIM(contact_name), ''), NULL) IS NULL"
+        if only_missing_both
+        else "COALESCE(NULLIF(BTRIM(organization_name), ''), NULL) IS NULL OR COALESCE(NULLIF(BTRIM(contact_name), ''), NULL) IS NULL"
+    )
+
+    rows = execute_query(
+        f"""
+        SELECT id, external_id, organization_name, contact_name
+        FROM tticket_archived_tickets
+        WHERE source_system = 'vtiger'
+          AND ({missing_clause})
+        ORDER BY id ASC
+        LIMIT %s
+        """,
+        (limit,),
+    ) or []
+
+    logger.info("Candidates: %s", len(rows))
+
+    account_cache: dict[str, Optional[str]] = {}
+    contact_cache: dict[str, Optional[str]] = {}
+    contact_account_cache: dict[str, Optional[str]] = {}
+
+    stats = {
+        "candidates": len(rows),
+        "updated": 0,
+        "unchanged": 0,
+        "case_missing": 0,
+        "errors": 0,
+    }
+
+    for row in rows:
+        archived_id = row["id"]
+        external_id = row["external_id"]
+        existing_org = (row.get("organization_name") or "").strip()
+        existing_contact = (row.get("contact_name") or "").strip()
+
+        try:
+            case_rows = await _query_with_retry(
+                vtiger,
+                f"SELECT * FROM Cases WHERE id='{external_id}' LIMIT 1;",
+                retries=retries,
+                base_delay=base_delay,
+            )
+            if not case_rows:
+                stats["case_missing"] += 1
+                continue
+
+            case_data = case_rows[0]
+            organization_name = _first_value(case_data, ["accountname", "account_name", "organization", "company"])
+            contact_name = _first_value(case_data, ["contactname", "contact_name", "contact", "firstname", "lastname"])
+
+            account_id = _first_value(case_data, ["parent_id", "account_id", "accountid", "account"])
+            if not organization_name and _looks_like_external_id(account_id):
+                if account_id not in account_cache:
+                    account_rows = await _query_with_retry(
+                        vtiger,
+                        f"SELECT * FROM Accounts WHERE id='{account_id}' LIMIT 1;",
+                        retries=retries,
+                        base_delay=base_delay,
+                    )
+                    account_cache[account_id] = _first_value(
+                        account_rows[0] if account_rows else {},
+                        ["accountname", "account_name", "name"],
+                    )
+                organization_name = account_cache.get(account_id)
+
+            contact_id = _first_value(case_data, ["contact_id", "contactid"])
+            if _looks_like_external_id(contact_id):
+                if contact_id not in contact_cache or contact_id not in contact_account_cache:
+                    contact_rows = await _query_with_retry(
+                        vtiger,
+                        f"SELECT * FROM Contacts WHERE id='{contact_id}' LIMIT 1;",
+                        retries=retries,
+                        base_delay=base_delay,
+                    )
+                    contact_data = contact_rows[0] if contact_rows else {}
+                    first_name = _first_value(contact_data, ["firstname", "first_name", "first"])
+                    last_name = _first_value(contact_data, ["lastname", "last_name", "last"])
+                    combined_name = " ".join([name for name in [first_name, last_name] if name]).strip()
+                    contact_cache[contact_id] = combined_name or _first_value(
+                        contact_data,
+                        ["contactname", "contact_name", "name"],
+                    )
+                    related_account_id = _first_value(
+                        contact_data,
+                        ["account_id", "accountid", "account", "parent_id"],
+                    )
+                    contact_account_cache[contact_id] = related_account_id if _looks_like_external_id(related_account_id) else None
+
+                if not contact_name:
+                    contact_name = contact_cache.get(contact_id)
+
+                if not organization_name:
+                    related_account_id = contact_account_cache.get(contact_id)
+                    if related_account_id:
+                        if related_account_id not in account_cache:
+                            account_rows = await _query_with_retry(
+                                vtiger,
+                                f"SELECT * FROM Accounts WHERE id='{related_account_id}' LIMIT 1;",
+                                retries=retries,
+                                base_delay=base_delay,
+                            )
+                            account_cache[related_account_id] = _first_value(
+                                account_rows[0] if account_rows else {},
+                                ["accountname", "account_name", "name"],
+                            )
+                        organization_name = account_cache.get(related_account_id)
+
+            next_org = organization_name if (not existing_org and organization_name) else None
+            next_contact = contact_name if (not existing_contact and contact_name) else None
+
+            if not next_org and not next_contact:
+                stats["unchanged"] += 1
+            else:
+                execute_update(
+                    """
+                    UPDATE tticket_archived_tickets
+                    SET organization_name = CASE
+                            WHEN COALESCE(NULLIF(BTRIM(organization_name), ''), NULL) IS NULL THEN COALESCE(%s, organization_name)
+                            ELSE organization_name
+                        END,
+                        contact_name = CASE
+                            WHEN COALESCE(NULLIF(BTRIM(contact_name), ''), NULL) IS NULL THEN COALESCE(%s, contact_name)
+                            ELSE contact_name
+                        END,
+                        last_synced_at = CURRENT_TIMESTAMP
+                    WHERE id = %s
+                    """,
+                    (next_org, next_contact, archived_id),
+                )
+                stats["updated"] += 1
+
+            await asyncio.sleep(sleep_seconds)
+
+        except Exception as exc:
+            stats["errors"] += 1
+            logger.warning("Row %s (%s) failed: %s", archived_id, external_id, exc)
+
+    logger.info("Backfill result: %s", stats)
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--limit", type=int, default=200)
+    parser.add_argument("--sleep", type=float, default=0.35)
+    parser.add_argument("--retries", type=int, default=8)
+    parser.add_argument("--base-delay", type=float, default=1.2)
+    parser.add_argument("--only-missing-both", action="store_true")
+    args = parser.parse_args()
+
+    asyncio.run(
+        run(
+            limit=args.limit,
+            sleep_seconds=args.sleep,
+            retries=args.retries,
+            base_delay=args.base_delay,
+            only_missing_both=args.only_missing_both,
+        )
+    )
+
+
+if __name__ == "__main__":
+    main()
diff --git a/static/alert_notes/alert_check.js b/static/alert_notes/alert_check.js
new file mode 100644
index 0000000..fe23a19
--- /dev/null
+++ b/static/alert_notes/alert_check.js
@@ -0,0 +1,131 @@
+/**
+ * Alert Notes JavaScript Module
+ * Handles loading and displaying alert notes for customers and contacts
+ */
+
+/**
+ * Load and display alerts for an entity
+ * @param {string} entityType - 'customer' or 'contact'
+ * @param {number} entityId - The entity ID
+ * @param {string} mode - 'inline' (show in page) or 'modal' (show popup)
+ * @param {string} containerId - Optional container ID for inline mode (default: 'alert-notes-container')
+ */
+async function loadAndDisplayAlerts(entityType, entityId, mode = 'inline', containerId = 'alert-notes-container') {
+    try {
+        const response = await fetch(`/api/v1/alert-notes/check?entity_type=${entityType}&entity_id=${entityId}`, {
+            credentials: 'include'
+        });
+        
+        if (!response.ok) {
+            console.error('Failed to fetch alerts:', response.status);
+            return;
+        }
+        
+        const data = await response.json();
+        
+        if (!data.has_alerts) {
+            // No alerts - clear container if in inline mode
+            if (mode === 'inline') {
+                const container = document.getElementById(containerId);
+                if (container) {
+                    container.innerHTML = '';
+                }
+            }
+            return;
+        }
+        
+        // Store for later use
+        window.currentAlertData = data;
+        
+        if (mode === 'modal') {
+            // Show modal popup
+            showAlertModal(data.alerts);
+        } else {
+            // Show inline
+            displayAlertsInline(data.alerts, containerId, data.user_has_acknowledged);
+        }
+        
+    } catch (error) {
+        console.error('Error loading alerts:', error);
+    }
+}
+
+/**
+ * Display alerts inline in a container
+ * @param {Array} alerts - Array of alert objects
+ * @param {string} containerId - Container element ID
+ * @param {boolean} userHasAcknowledged - Whether user has acknowledged all
+ */
+function displayAlertsInline(alerts, containerId, userHasAcknowledged) {
+    const container = document.getElementById(containerId);
+    if (!container) {
+        console.error('Alert container not found:', containerId);
+        return;
+    }
+    
+    // Clear existing content
+    container.innerHTML = '';
+    
+    // Add each alert
+    alerts.forEach(alert => {
+        // Set user_has_acknowledged on individual alert if needed
+        alert.user_has_acknowledged = userHasAcknowledged;
+        
+        // Render using the renderAlertBox function from alert_box.html
+        const alertHtml = renderAlertBox(alert);
+        container.innerHTML += alertHtml;
+    });
+}
+
+/**
+ * Acknowledge a single alert
+ * @param {number} alertId - The alert ID
+ * @param {HTMLElement} buttonElement - The button that was clicked
+ */
+async function acknowledgeAlert(alertId, buttonElement) {
+    try {
+        const response = await fetch(`/api/v1/alert-notes/${alertId}/acknowledge`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json'
+            },
+            credentials: 'include'
+        });
+        
+        const data = await response.json();
+        
+        if (data.status === 'acknowledged' || data.status === 'already_acknowledged') {
+            // Remove the alert box with fade animation
+            const alertBox = buttonElement.closest('.alert-note-box');
+            if (alertBox) {
+                alertBox.style.opacity = '0';
+                alertBox.style.transform = 'translateX(-20px)';
+                alertBox.style.transition = 'all 0.3s';
+                setTimeout(() => alertBox.remove(), 300);
+            }
+        }
+    } catch (error) {
+        console.error('Error acknowledging alert:', error);
+        alert('Kunne ikke markere som læst. Prøv igen.');
+    }
+}
+
+/**
+ * Initialize alert checking on page load
+ * Call this from your page's DOMContentLoaded or similar
+ * @param {string} entityType - 'customer' or 'contact'
+ * @param {number} entityId - The entity ID
+ * @param {Object} options - Optional settings {mode: 'inline'|'modal', containerId: 'element-id'}
+ */
+function initAlertNotes(entityType, entityId, options = {}) {
+    const mode = options.mode || 'inline';
+    const containerId = options.containerId || 'alert-notes-container';
+    
+    loadAndDisplayAlerts(entityType, entityId, mode, containerId);
+}
+
+// Make functions globally available
+window.loadAndDisplayAlerts = loadAndDisplayAlerts;
+window.displayAlertsInline = displayAlertsInline;
+window.acknowledgeAlert = acknowledgeAlert;
+window.initAlertNotes = initAlertNotes;
diff --git a/templates/alert_notes/frontend/alert_box.html b/templates/alert_notes/frontend/alert_box.html
new file mode 100644
index 0000000..b84214a
--- /dev/null
+++ b/templates/alert_notes/frontend/alert_box.html
@@ -0,0 +1,199 @@
+<!-- Alert Notes Box Component - For inline display on detail pages -->
+<style>
+    .alert-note-box {
+        border-left: 5px solid;
+        padding: 15px 20px;
+        margin: 15px 0;
+        background: var(--bg-card);
+        border-radius: 8px;
+        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
+        transition: all 0.3s;
+    }
+
+    .alert-note-box:hover {
+        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
+    }
+
+    .alert-note-info {
+        border-left-color: #0dcaf0;
+        background: #d1ecf1;
+    }
+
+    [data-bs-theme="dark"] .alert-note-info {
+        background: rgba(13, 202, 240, 0.15);
+    }
+
+    .alert-note-warning {
+        border-left-color: #ffc107;
+        background: #fff3cd;
+    }
+
+    [data-bs-theme="dark"] .alert-note-warning {
+        background: rgba(255, 193, 7, 0.15);
+    }
+
+    .alert-note-critical {
+        border-left-color: #dc3545;
+        background: #f8d7da;
+    }
+
+    [data-bs-theme="dark"] .alert-note-critical {
+        background: rgba(220, 53, 69, 0.15);
+    }
+
+    .alert-note-title {
+        font-weight: 600;
+        font-size: 1.1rem;
+        margin-bottom: 8px;
+        display: flex;
+        align-items: center;
+        gap: 8px;
+    }
+
+    .alert-note-severity-badge {
+        font-size: 0.75rem;
+        padding: 2px 8px;
+        border-radius: 4px;
+        text-transform: uppercase;
+        font-weight: 600;
+    }
+
+    .alert-note-severity-badge.info {
+        background: #0dcaf0;
+        color: white;
+    }
+
+    .alert-note-severity-badge.warning {
+        background: #ffc107;
+        color: #000;
+    }
+
+    .alert-note-severity-badge.critical {
+        background: #dc3545;
+        color: white;
+    }
+
+    .alert-note-message {
+        margin-bottom: 12px;
+        line-height: 1.6;
+        white-space: pre-wrap;
+    }
+
+    .alert-note-restrictions {
+        padding: 10px;
+        background: rgba(0,0,0,0.05);
+        border-radius: 6px;
+        font-size: 0.9rem;
+        margin-top: 12px;
+    }
+
+    [data-bs-theme="dark"] .alert-note-restrictions {
+        background: rgba(255,255,255,0.05);
+    }
+
+    .alert-note-restrictions strong {
+        display: block;
+        margin-bottom: 5px;
+    }
+
+    .alert-note-footer {
+        display: flex;
+        justify-content: space-between;
+        align-items: center;
+        margin-top: 12px;
+        font-size: 0.85rem;
+        color: var(--text-secondary);
+    }
+
+    .alert-note-acknowledge-btn {
+        font-size: 0.85rem;
+        padding: 4px 12px;
+    }
+</style>
+
+<!-- Template structure (fill via JavaScript) -->
+<div id="alert-notes-container"></div>
+
+<script>
+function renderAlertBox(alert) {
+    const severityClass = `alert-note-${alert.severity}`;
+    const severityBadgeClass = alert.severity;
+    
+    let restrictionsHtml = '';
+    if (alert.restrictions && alert.restrictions.length > 0) {
+        const restrictionNames = alert.restrictions.map(r => r.restriction_name).join(', ');
+        restrictionsHtml = `
+            <div class="alert-note-restrictions">
+                <strong><i class="bi bi-shield-lock"></i> Håndteres kun af:</strong>
+                ${restrictionNames}
+            </div>
+        `;
+    }
+    
+    let acknowledgeBtn = '';
+    if (alert.requires_acknowledgement && !alert.user_has_acknowledged) {
+        acknowledgeBtn = `
+            <button class="btn btn-sm btn-outline-secondary alert-note-acknowledge-btn" 
+                    onclick="acknowledgeAlert(${alert.id}, this)">
+                <i class="bi bi-check-circle"></i> Forstået
+            </button>
+        `;
+    }
+    
+    // Edit button (always show for admins/creators)
+    const editBtn = `
+        <button class="btn btn-sm btn-outline-primary alert-note-acknowledge-btn" 
+                onclick="openAlertNoteForm('${alert.entity_type}', ${alert.entity_id}, ${alert.id})"
+                title="Rediger alert note">
+            <i class="bi bi-pencil"></i>
+        </button>
+    `;
+    
+    const createdBy = alert.created_by_user_name ? ` • Oprettet af ${alert.created_by_user_name}` : '';
+    
+    return `
+        <div class="alert-note-box ${severityClass}" data-alert-id="${alert.id}">
+            <div class="alert-note-title">
+                <span class="alert-note-severity-badge ${severityBadgeClass}">
+                    ${alert.severity === 'info' ? 'INFO' : alert.severity === 'warning' ? 'ADVARSEL' : 'KRITISK'}
+                <div class="d-flex gap-2">
+                    ${editBtn}
+                    ${acknowledgeBtn}
+                </div>
+                ${alert.title}
+            </div>
+            <div class="alert-note-message">${alert.message}</div>
+            ${restrictionsHtml}
+            <div class="alert-note-footer">
+                <span class="text-muted">
+                    <i class="bi bi-calendar"></i> ${new Date(alert.created_at).toLocaleDateString('da-DK')}${createdBy}
+                </span>
+                ${acknowledgeBtn}
+            </div>
+        </div>
+    `;
+}
+
+function acknowledgeAlert(alertId, buttonElement) {
+    fetch(`/api/v1/alert-notes/${alertId}/acknowledge`, {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json'
+        }
+    })
+    .then(response => response.json())
+    .then(data => {
+        if (data.status === 'acknowledged' || data.status === 'already_acknowledged') {
+            // Remove the alert box with fade animation
+            const alertBox = buttonElement.closest('.alert-note-box');
+            alertBox.style.opacity = '0';
+            alertBox.style.transform = 'translateX(-20px)';
+            setTimeout(() => alertBox.remove(), 300);
+        }
+    })
+    .catch(error => {
+        console.error('Error acknowledging alert:', error);
+        alert('Kunne ikke markere som læst. Prøv igen.');
+    });
+}
+</script>
diff --git a/templates/alert_notes/frontend/alert_form_modal.html b/templates/alert_notes/frontend/alert_form_modal.html
new file mode 100644
index 0000000..70b9602
--- /dev/null
+++ b/templates/alert_notes/frontend/alert_form_modal.html
@@ -0,0 +1,551 @@
+<!-- Alert Note Create/Edit Modal -->
+<div class="modal fade" id="alertNoteFormModal" tabindex="-1" aria-labelledby="alertNoteFormModalLabel" aria-hidden="true">
+    <div class="modal-dialog modal-lg">
+        <div class="modal-content">
+            <div class="modal-header bg-warning bg-opacity-10 border-bottom border-warning">
+                <h5 class="modal-title d-flex align-items-center" id="alertNoteFormModalLabel">
+                    <i class="bi bi-exclamation-triangle-fill text-warning me-2" style="font-size: 1.3rem;"></i>
+                    <span id="alertFormTitle" class="fw-bold">Opret Alert Note</span>
+                </h5>
+                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Luk"></button>
+            </div>
+            <div class="modal-body" style="max-height: 70vh; overflow-y: auto;">
+                <form id="alertNoteForm">
+                    <input type="hidden" id="alertNoteId" value="">
+                    <input type="hidden" id="alertEntityType" value="">
+                    <input type="hidden" id="alertEntityId" value="">
+                    
+                    <!-- Titel Section -->
+                    <div class="mb-4">
+                        <label for="alertTitle" class="form-label fw-semibold">
+                            Titel <span class="text-danger">*</span>
+                        </label>
+                        <input type="text" 
+                               class="form-control form-control-lg" 
+                               id="alertTitle" 
+                               required 
+                               maxlength="255" 
+                               placeholder="Kort beskrivende titel">
+                    </div>
+                    
+                    <!-- Besked Section -->
+                    <div class="mb-4">
+                        <label for="alertMessage" class="form-label fw-semibold">
+                            Besked <span class="text-danger">*</span>
+                        </label>
+                        <textarea class="form-control" 
+                                  id="alertMessage" 
+                                  rows="6" 
+                                  required 
+                                  placeholder="Detaljeret information der skal vises..."
+                                  style="font-family: inherit; line-height: 1.6;"></textarea>
+                        <div class="form-text mt-2">
+                            <i class="bi bi-info-circle me-1"></i>
+                            Du kan bruge linjeskift for formatering
+                        </div>
+                    </div>
+                    
+                    <!-- Alvorlighed Section -->
+                    <div class="mb-4">
+                        <label for="alertSeverity" class="form-label fw-semibold">
+                            Alvorlighed <span class="text-danger">*</span>
+                        </label>
+                        <select class="form-select form-select-lg" id="alertSeverity" required>
+                            <option value="info">ℹ️ Info - General kontekst</option>
+                            <option value="warning" selected>⚠️ Advarsel - Særlige forhold</option>
+                            <option value="critical">🚨 Kritisk - Følsomme forhold</option>
+                        </select>
+                    </div>
+                    
+                    <!-- Checkboxes Section -->
+                    <div class="mb-4 p-3 bg-light rounded">
+                        <div class="form-check mb-3">
+                            <input class="form-check-input" 
+                                   type="checkbox" 
+                                   id="alertRequiresAck" 
+                                   checked>
+                            <label class="form-check-label" for="alertRequiresAck">
+                                <strong>Kræv bekræftelse</strong>
+                                <div class="text-muted small mt-1">
+                                    Brugere skal klikke "Forstået" for at bekræfte at de har set advarslen
+                                </div>
+                            </label>
+                        </div>
+                        
+                        <div class="form-check">
+                            <input class="form-check-input" 
+                                   type="checkbox" 
+                                   id="alertActive" 
+                                   checked>
+                            <label class="form-check-label" for="alertActive">
+                                <strong>Aktiv</strong>
+                                <div class="text-muted small mt-1">
+                                    Alert noten vises på kunde/kontakt siden
+                                </div>
+                            </label>
+                        </div>
+                    </div>
+                    
+                    <hr class="my-4">
+                    
+                    <!-- Restrictions Section -->
+                    <div class="mb-3">
+                        <label class="form-label fw-semibold d-flex align-items-center mb-3">
+                            <i class="bi bi-shield-lock me-2 text-primary"></i>
+                            Begrænsninger (Valgfri)
+                        </label>
+                        <div class="alert alert-info d-flex align-items-start mb-4">
+                            <i class="bi bi-info-circle-fill me-2 mt-1"></i>
+                            <div>
+                                <strong>Hvad er begrænsninger?</strong>
+                                <p class="mb-0 mt-1 small">
+                                    Angiv hvilke grupper eller brugere der må håndtere denne kunde/kontakt. 
+                                    Lad felterne stå tomme hvis alle må håndtere kunden.
+                                </p>
+                            </div>
+                        </div>
+                        
+                        <div class="row">
+                            <div class="col-md-6 mb-3">
+                                <label for="alertGroups" class="form-label fw-semibold">
+                                    <i class="bi bi-people-fill me-1"></i>
+                                    Godkendte Grupper
+                                </label>
+                                <select class="form-select" id="alertGroups" multiple size="5">
+                                    <!-- Populated via JavaScript -->
+                                </select>
+                                <div class="form-text mt-2">
+                                    <i class="bi bi-hand-index me-1"></i>
+                                    Hold Ctrl/Cmd for at vælge flere
+                                </div>
+                            </div>
+                            
+                            <div class="col-md-6 mb-3">
+                                <label for="alertUsers" class="form-label fw-semibold">
+                                    <i class="bi bi-person-fill me-1"></i>
+                                    Godkendte Brugere
+                                </label>
+                                <select class="form-select" id="alertUsers" multiple size="5">
+                                    <!-- Populated via JavaScript -->
+                                </select>
+                                <div class="form-text mt-2">
+                                    <i class="bi bi-hand-index me-1"></i>
+                                    Hold Ctrl/Cmd for at vælge flere
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                </form>
+            </div>
+            <div class="modal-footer bg-light">
+                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">
+                    <i class="bi bi-x-circle me-2"></i>
+                    Annuller
+                </button>
+                <button type="button" class="btn btn-primary btn-lg" id="saveAlertNoteBtn" onclick="saveAlertNote()">
+                    <i class="bi bi-save me-2"></i>
+                    Gem Alert Note
+                </button>
+            </div>
+        </div>
+    </div>
+</div>
+
+<style>
+    /* Modal Header Styling */
+    #alertNoteFormModal .modal-header {
+        padding: 1.25rem 1.5rem;
+    }
+    
+    #alertNoteFormModal .modal-body {
+        padding: 1.5rem;
+    }
+    
+    #alertNoteFormModal .modal-footer {
+        padding: 1rem 1.5rem;
+    }
+    
+    /* Form Labels */
+    #alertNoteFormModal .form-label {
+        font-weight: 600;
+        color: var(--bs-body-color);
+        margin-bottom: 0.5rem;
+    }
+    
+    /* Input Fields */
+    #alertNoteFormModal .form-control,
+    #alertNoteFormModal .form-select {
+        border-radius: 8px;
+        border: 1px solid #dee2e6;
+        transition: all 0.2s ease;
+    }
+    
+    #alertNoteFormModal .form-control:focus,
+    #alertNoteFormModal .form-select:focus {
+        border-color: var(--bs-primary);
+        box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.15);
+    }
+    
+    /* Textarea specific */
+    #alertNoteFormModal textarea.form-control {
+        resize: vertical;
+        min-height: 150px;
+    }
+    
+    /* Multiselect Styling */
+    #alertNoteFormModal select[multiple] {
+        border: 2px solid #e0e0e0;
+        border-radius: 8px;
+        padding: 0.5rem;
+        transition: all 0.2s ease;
+    }
+    
+    #alertNoteFormModal select[multiple]:focus {
+        border-color: var(--bs-primary);
+        box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.15);
+        outline: none;
+    }
+    
+    #alertNoteFormModal select[multiple] option {
+        padding: 10px 12px;
+        border-radius: 6px;
+        margin-bottom: 4px;
+        cursor: pointer;
+        transition: all 0.15s ease;
+    }
+    
+    #alertNoteFormModal select[multiple] option:hover {
+        background: rgba(13, 110, 253, 0.1);
+    }
+    
+    #alertNoteFormModal select[multiple] option:checked {
+        background: var(--bs-primary);
+        color: white;
+        font-weight: 500;
+    }
+    
+    /* Checkbox Container */
+    #alertNoteFormModal .form-check {
+        padding: 0.75rem;
+        border-radius: 8px;
+        transition: background 0.2s ease;
+    }
+    
+    #alertNoteFormModal .form-check:hover {
+        background: rgba(0, 0, 0, 0.02);
+    }
+    
+    [data-bs-theme="dark"] #alertNoteFormModal .form-check:hover {
+        background: rgba(255, 255, 255, 0.05);
+    }
+    
+    #alertNoteFormModal .form-check-input {
+        width: 1.25rem;
+        height: 1.25rem;
+        margin-top: 0.125rem;
+        cursor: pointer;
+    }
+    
+    #alertNoteFormModal .form-check-label {
+        cursor: pointer;
+        user-select: none;
+    }
+    
+    /* Alert Info Box */
+    #alertNoteFormModal .alert-info {
+        border-left: 4px solid var(--bs-info);
+        background: rgba(13, 202, 240, 0.1);
+        border-radius: 8px;
+    }
+    
+    [data-bs-theme="dark"] #alertNoteFormModal .alert-info {
+        background: rgba(13, 202, 240, 0.15);
+    }
+    
+    /* Background Color Theme Support */
+    [data-bs-theme="dark"] #alertNoteFormModal .bg-light {
+        background: rgba(255, 255, 255, 0.05) !important;
+    }
+    
+    [data-bs-theme="dark"] #alertNoteFormModal .modal-header {
+        background: rgba(255, 193, 7, 0.1) !important;
+        border-bottom-color: rgba(255, 193, 7, 0.3) !important;
+    }
+    
+    /* Form Text Helpers */
+    #alertNoteFormModal .form-text {
+        font-size: 0.875rem;
+        color: #6c757d;
+    }
+    
+    /* Divider */
+    #alertNoteFormModal hr {
+        margin: 1.5rem 0;
+        opacity: 0.1;
+    }
+    
+    /* Responsive adjustments */
+    @media (max-width: 768px) {
+        #alertNoteFormModal .row > .col-md-6 {
+            margin-bottom: 1rem !important;
+        }
+    }
+</style>
+
+<script>
+let alertFormModal = null;
+let currentAlertEntityType = null;
+let currentAlertEntityId = null;
+
+async function openAlertNoteForm(entityType, entityId, alertId = null) {
+    currentAlertEntityType = entityType;
+    currentAlertEntityId = entityId;
+    
+    // Load groups and users for restrictions
+    await loadGroupsAndUsers();
+    
+    if (alertId) {
+        // Edit mode
+        await loadAlertForEdit(alertId);
+        document.getElementById('alertFormTitle').textContent = 'Rediger Alert Note';
+    } else {
+        // Create mode
+        document.getElementById('alertFormTitle').textContent = 'Opret Alert Note';
+        document.getElementById('alertNoteForm').reset();
+        document.getElementById('alertNoteId').value = '';
+        document.getElementById('alertRequiresAck').checked = true;
+        document.getElementById('alertActive').checked = true;
+        document.getElementById('alertSeverity').value = 'warning';
+    }
+    
+    document.getElementById('alertEntityType').value = entityType;
+    document.getElementById('alertEntityId').value = entityId;
+    
+    // Show modal
+    const modalEl = document.getElementById('alertNoteFormModal');
+    alertFormModal = new bootstrap.Modal(modalEl);
+    alertFormModal.show();
+}
+
+async function loadGroupsAndUsers() {
+    try {
+        // Load groups
+        const groupsResponse = await fetch('/api/v1/admin/groups', {
+            credentials: 'include'
+        });
+        if (groupsResponse.ok) {
+            const groups = await groupsResponse.json();
+            const groupsSelect = document.getElementById('alertGroups');
+            groupsSelect.innerHTML = groups.map(g => 
+                `<option value="${g.id}">${g.name}</option>`
+            ).join('');
+        }
+        
+        // Load users
+        const usersResponse = await fetch('/api/v1/admin/users', {
+            credentials: 'include'
+        });
+        if (usersResponse.ok) {
+            const users = await usersResponse.json();
+            const usersSelect = document.getElementById('alertUsers');
+            usersSelect.innerHTML = users.map(u => 
+                `<option value="${u.user_id}">${u.full_name || u.username} (${u.username})</option>`
+            ).join('');
+        }
+    } catch (error) {
+        console.error('Error loading groups/users:', error);
+    }
+}
+
+async function loadAlertForEdit(alertId) {
+    try {
+        const response = await fetch(`/api/v1/alert-notes?entity_type=${currentAlertEntityType}&entity_id=${currentAlertEntityId}`, {
+            credentials: 'include'
+        });
+        if (!response.ok) throw new Error('Failed to load alert');
+        
+        const alerts = await response.json();
+        const alert = alerts.find(a => a.id === alertId);
+        
+        if (!alert) throw new Error('Alert not found');
+        
+        document.getElementById('alertNoteId').value = alert.id;
+        document.getElementById('alertTitle').value = alert.title;
+        document.getElementById('alertMessage').value = alert.message;
+        document.getElementById('alertSeverity').value = alert.severity;
+        document.getElementById('alertRequiresAck').checked = alert.requires_acknowledgement;
+        document.getElementById('alertActive').checked = alert.active;
+        
+        // Set restrictions
+        if (alert.restrictions && alert.restrictions.length > 0) {
+            const groupIds = alert.restrictions
+                .filter(r => r.restriction_type === 'group')
+                .map(r => r.restriction_id);
+            const userIds = alert.restrictions
+                .filter(r => r.restriction_type === 'user')
+                .map(r => r.restriction_id);
+            
+            // Select options
+            Array.from(document.getElementById('alertGroups').options).forEach(opt => {
+                opt.selected = groupIds.includes(parseInt(opt.value));
+            });
+            Array.from(document.getElementById('alertUsers').options).forEach(opt => {
+                opt.selected = userIds.includes(parseInt(opt.value));
+            });
+        }
+    } catch (error) {
+        console.error('Error loading alert for edit:', error);
+        alert('Kunne ikke indlæse alert. Prøv igen.');
+    }
+}
+
+async function saveAlertNote() {
+    const form = document.getElementById('alertNoteForm');
+    if (!form.checkValidity()) {
+        form.reportValidity();
+        return;
+    }
+    
+    const alertId = document.getElementById('alertNoteId').value;
+    const isEdit = !!alertId;
+    
+    // Get selected groups and users
+    const selectedGroups = Array.from(document.getElementById('alertGroups').selectedOptions)
+        .map(opt => parseInt(opt.value));
+    const selectedUsers = Array.from(document.getElementById('alertUsers').selectedOptions)
+        .map(opt => parseInt(opt.value));
+    
+    // Build data object - different structure for create vs update
+    let data;
+    if (isEdit) {
+        // PATCH: Only send fields to update (no entity_type, entity_id)
+        data = {
+            title: document.getElementById('alertTitle').value,
+            message: document.getElementById('alertMessage').value,
+            severity: document.getElementById('alertSeverity').value,
+            requires_acknowledgement: document.getElementById('alertRequiresAck').checked,
+            active: document.getElementById('alertActive').checked,
+            restriction_group_ids: selectedGroups,
+            restriction_user_ids: selectedUsers
+        };
+    } else {
+        // POST: Include entity_type and entity_id for creation
+        data = {
+            entity_type: document.getElementById('alertEntityType').value,
+            entity_id: parseInt(document.getElementById('alertEntityId').value),
+            title: document.getElementById('alertTitle').value,
+            message: document.getElementById('alertMessage').value,
+            severity: document.getElementById('alertSeverity').value,
+            requires_acknowledgement: document.getElementById('alertRequiresAck').checked,
+            active: document.getElementById('alertActive').checked,
+            restriction_group_ids: selectedGroups,
+            restriction_user_ids: selectedUsers
+        };
+    }
+    
+    try {
+        const saveBtn = document.getElementById('saveAlertNoteBtn');
+        saveBtn.disabled = true;
+        saveBtn.innerHTML = '<span class="spinner-border spinner-border-sm me-2"></span>Gemmer...';
+        
+        // Debug logging
+        console.log('Saving alert note:', { isEdit, alertId, data });
+        
+        let response;
+        if (isEdit) {
+            // Update existing
+            response = await fetch(`/api/v1/alert-notes/${alertId}`, {
+                method: 'PATCH',
+                headers: { 'Content-Type': 'application/json' },
+                credentials: 'include',
+                body: JSON.stringify(data)
+            });
+        } else {
+            // Create new
+            response = await fetch('/api/v1/alert-notes', {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json' },
+                credentials: 'include',
+                body: JSON.stringify(data)
+            });
+        }
+        
+        if (!response.ok) {
+            let errorMsg = 'Failed to save alert note';
+            try {
+                const error = await response.json();
+                console.error('API Error Response:', error);
+                
+                // Handle Pydantic validation errors
+                if (error.detail && Array.isArray(error.detail)) {
+                    errorMsg = error.detail.map(e => `${e.loc.join('.')}: ${e.msg}`).join('\n');
+                } else if (error.detail) {
+                    errorMsg = error.detail;
+                }
+            } catch (e) {
+                errorMsg = `HTTP ${response.status}: ${response.statusText}`;
+            }
+            throw new Error(errorMsg);
+        }
+        
+        // Success
+        alertFormModal.hide();
+        
+        // Reload alerts on page
+        loadAndDisplayAlerts(
+            currentAlertEntityType, 
+            currentAlertEntityId, 
+            'inline', 
+            'alert-notes-container'
+        );
+        
+        // Show success message
+        showSuccessToast(isEdit ? 'Alert note opdateret!' : 'Alert note oprettet!');
+        
+    } catch (error) {
+        console.error('Error saving alert note:', error);
+        
+        // Show detailed error message
+        const errorDiv = document.createElement('div');
+        errorDiv.className = 'alert alert-danger alert-dismissible fade show mt-3';
+        errorDiv.innerHTML = `
+            <strong>Kunne ikke gemme alert note:</strong><br>
+            <pre style="white-space: pre-wrap; margin-top: 10px; font-size: 0.9em;">${error.message}</pre>
+            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
+        `;
+        
+        // Insert error before form
+        const modalBody = document.querySelector('#alertNoteFormModal .modal-body');
+        modalBody.insertBefore(errorDiv, modalBody.firstChild);
+        
+        // Auto-remove after 10 seconds
+        setTimeout(() => {
+            if (errorDiv.parentNode) {
+                errorDiv.remove();
+            }
+        }, 10000);
+    } finally {
+        const saveBtn = document.getElementById('saveAlertNoteBtn');
+        saveBtn.disabled = false;
+        saveBtn.innerHTML = '<i class="bi bi-save me-2"></i>Gem Alert Note';
+    }
+}
+
+function showSuccessToast(message) {
+    // Simple toast notification
+    const toast = document.createElement('div');
+    toast.className = 'alert alert-success position-fixed bottom-0 end-0 m-3';
+    toast.style.zIndex = '9999';
+    toast.innerHTML = `<i class="bi bi-check-circle me-2"></i>${message}`;
+    document.body.appendChild(toast);
+    
+    setTimeout(() => {
+        toast.classList.add('fade');
+        setTimeout(() => toast.remove(), 150);
+    }, 3000);
+}
+
+// Make functions globally available
+window.openAlertNoteForm = openAlertNoteForm;
+window.saveAlertNote = saveAlertNote;
+</script>
diff --git a/templates/alert_notes/frontend/alert_modal.html b/templates/alert_notes/frontend/alert_modal.html
new file mode 100644
index 0000000..bf3ac8c
--- /dev/null
+++ b/templates/alert_notes/frontend/alert_modal.html
@@ -0,0 +1,198 @@
+<!-- Alert Notes Modal Component - For popup display -->
+<div class="modal fade" id="alertNoteModal" tabindex="-1" aria-labelledby="alertNoteModalLabel" aria-hidden="true">
+    <div class="modal-dialog modal-dialog-centered">
+        <div class="modal-content">
+            <div class="modal-header" id="alertModalHeader">
+                <h5 class="modal-title" id="alertNoteModalLabel">
+                    <i class="bi bi-exclamation-triangle-fill"></i> Vigtig information
+                </h5>
+                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Luk"></button>
+            </div>
+            <div class="modal-body" id="alertModalBody">
+                <!-- Alert content will be inserted here -->
+            </div>
+            <div class="modal-footer" id="alertModalFooter">
+                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Luk</button>
+                <button type="button" class="btn btn-primary" id="alertModalAcknowledgeBtn" style="display: none;">
+                    <i class="bi bi-check-circle"></i> Forstået
+                </button>
+            </div>
+        </div>
+    </div>
+</div>
+
+<style>
+    #alertNoteModal .modal-header.severity-info {
+        background: linear-gradient(135deg, #0dcaf0 0%, #00b4d8 100%);
+        color: white;
+    }
+
+    #alertNoteModal .modal-header.severity-warning {
+        background: linear-gradient(135deg, #ffc107 0%, #ffb703 100%);
+        color: #000;
+    }
+
+    #alertNoteModal .modal-header.severity-critical {
+        background: linear-gradient(135deg, #dc3545 0%, #bb2d3b 100%);
+        color: white;
+    }
+
+    .alert-modal-content {
+        padding: 15px 0;
+    }
+
+    .alert-modal-title {
+        font-weight: 600;
+        font-size: 1.2rem;
+        margin-bottom: 15px;
+        padding-bottom: 10px;
+        border-bottom: 2px solid #dee2e6;
+    }
+
+    .alert-modal-message {
+        line-height: 1.6;
+        margin-bottom: 15px;
+        white-space: pre-wrap;
+    }
+
+    .alert-modal-restrictions {
+        background: #f8f9fa;
+        padding: 15px;
+        border-radius: 8px;
+        border-left: 4px solid #0f4c75;
+        margin-top: 15px;
+    }
+
+    [data-bs-theme="dark"] .alert-modal-restrictions {
+        background: #2c3034;
+    }
+
+    .alert-modal-restrictions strong {
+        display: block;
+        margin-bottom: 8px;
+        color: var(--accent);
+    }
+
+    .alert-modal-restrictions ul {
+        margin-bottom: 0;
+        padding-left: 20px;
+    }
+
+    .alert-modal-meta {
+        font-size: 0.85rem;
+        color: var(--text-secondary);
+        margin-top: 15px;
+        padding-top: 15px;
+        border-top: 1px solid #dee2e6;
+    }
+</style>
+
+<script>
+let currentAlertModal = null;
+let currentAlerts = [];
+
+function showAlertModal(alerts) {
+    if (!alerts || alerts.length === 0) return;
+    
+    currentAlerts = alerts;
+    const modal = document.getElementById('alertNoteModal');
+    const modalHeader = document.getElementById('alertModalHeader');
+    const modalBody = document.getElementById('alertModalBody');
+    const modalAckBtn = document.getElementById('alertModalAcknowledgeBtn');
+    
+    // Set severity styling (use highest severity)
+    const highestSeverity = alerts.find(a => a.severity === 'critical') ? 'critical' :
+                           alerts.find(a => a.severity === 'warning') ? 'warning' : 'info';
+    
+    modalHeader.className = `modal-header severity-${highestSeverity}`;
+    
+    // Build content
+    let contentHtml = '';
+    
+    alerts.forEach((alert, index) => {
+        const severityText = alert.severity === 'info' ? 'INFO' : 
+                           alert.severity === 'warning' ? 'ADVARSEL' : 'KRITISK';
+        
+        let restrictionsHtml = '';
+        if (alert.restrictions && alert.restrictions.length > 0) {
+            const restrictionsList = alert.restrictions
+                .map(r => `<li>${r.restriction_name}</li>`)
+                .join('');
+            restrictionsHtml = `
+                <div class="alert-modal-restrictions">
+                    <strong><i class="bi bi-shield-lock"></i> Kun følgende må håndtere denne ${alert.entity_type === 'customer' ? 'kunde' : 'kontakt'}:</strong>
+                    <ul>${restrictionsList}</ul>
+                </div>
+            `;
+        }
+        
+        const createdBy = alert.created_by_user_name ? ` • Oprettet af ${alert.created_by_user_name}` : '';
+        
+        contentHtml += `
+            <div class="alert-modal-content" data-alert-id="${alert.id}">
+                ${index > 0 ? '<hr>' : ''}
+                <div class="alert-modal-title">
+                    <span class="badge bg-${alert.severity === 'critical' ? 'danger' : alert.severity === 'warning' ? 'warning' : 'info'}">
+                        ${severityText}
+                    </span>
+                    ${alert.title}
+                </div>
+                <div class="alert-modal-message">${alert.message}</div>
+                ${restrictionsHtml}
+                <div class="alert-modal-meta">
+                    <i class="bi bi-calendar"></i> ${new Date(alert.created_at).toLocaleDateString('da-DK', { 
+                        year: 'numeric', 
+                        month: 'long', 
+                        day: 'numeric' 
+                    })}${createdBy}
+                </div>
+            </div>
+        `;
+    });
+    
+    modalBody.innerHTML = contentHtml;
+    
+    // Show acknowledge button if any alert requires it and user hasn't acknowledged
+    const requiresAck = alerts.some(a => a.requires_acknowledgement && !a.user_has_acknowledged);
+    if (requiresAck) {
+        modalAckBtn.style.display = 'inline-block';
+        modalAckBtn.onclick = function() {
+            acknowledgeAllAlerts();
+        };
+    } else {
+        modalAckBtn.style.display = 'none';
+    }
+    
+    // Show modal
+    currentAlertModal = new bootstrap.Modal(modal);
+    currentAlertModal.show();
+}
+
+function acknowledgeAllAlerts() {
+    const promises = currentAlerts
+        .filter(a => a.requires_acknowledgement && !a.user_has_acknowledged)
+        .map(alert => {
+            return fetch(`/api/v1/alert-notes/${alert.id}/acknowledge`, {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json'
+                }
+            });
+        });
+    
+    Promise.all(promises)
+        .then(() => {
+            if (currentAlertModal) {
+                currentAlertModal.hide();
+            }
+            // Reload alerts on the page if in inline view
+            if (typeof loadAlerts === 'function') {
+                loadAlerts();
+            }
+        })
+        .catch(error => {
+            console.error('Error acknowledging alerts:', error);
+            alert('Kunne ikke markere som læst. Prøv igen.');
+        });
+}
+</script>