diff --git a/backend/bin/boc b/backend/bin/boc
index c92bd5daa..353f692e4 100755
Binary files a/backend/bin/boc and b/backend/bin/boc differ
diff --git a/backend/boc-api b/backend/boc-api
index c92bd5daa..353f692e4 100755
Binary files a/backend/boc-api and b/backend/boc-api differ
diff --git a/backend/db/migrations/2025081201_communication_layer.sql b/backend/db/migrations/2025081201_communication_layer.sql
new file mode 100644
index 000000000..533bdb1c3
--- /dev/null
+++ b/backend/db/migrations/2025081201_communication_layer.sql
@@ -0,0 +1,234 @@
+-- Communication & Lead Layer - Core Tables
+-- Migration: 2025081201
+
+-- Contact Identity - central contact model
+CREATE TABLE IF NOT EXISTS contacts (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    tenant_id UUID NOT NULL,
+    first_name VARCHAR(100),
+    last_name VARCHAR(100),
+    email VARCHAR(255),
+    phone VARCHAR(50),
+    whatsapp_id VARCHAR(100),
+    instagram_id VARCHAR(100),
+    facebook_id VARCHAR(100),
+    external_id VARCHAR(100),
+    company VARCHAR(255),
+    org_number VARCHAR(50),
+    tags TEXT[],
+    status VARCHAR(50) DEFAULT 'active',
+    lead_score INTEGER DEFAULT 0,
+    source VARCHAR(100),
+    metadata JSONB DEFAULT '{}',
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    merged_into UUID REFERENCES contacts(id),
+    UNIQUE(tenant_id, email),
+    UNIQUE(tenant_id, phone)
+);
+
+-- Contact Identity Links - for deduplication
+CREATE TABLE IF NOT EXISTS contact_identity_links (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    contact_id UUID NOT NULL REFERENCES contacts(id) ON DELETE CASCADE,
+    channel VARCHAR(50) NOT NULL, -- 'whatsapp', 'email', 'phone', 'instagram', etc.
+    channel_id VARCHAR(255) NOT NULL,
+    confidence FLOAT DEFAULT 1.0,
+    verified BOOLEAN DEFAULT false,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    UNIQUE(contact_id, channel, channel_id)
+);
+
+-- Conversations
+CREATE TABLE IF NOT EXISTS conversations (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    tenant_id UUID NOT NULL,
+    contact_id UUID NOT NULL REFERENCES contacts(id),
+    channel VARCHAR(50) NOT NULL,
+    channel_conversation_id VARCHAR(255),
+    status VARCHAR(50) DEFAULT 'new', -- 'new', 'active', 'waiting', 'resolved', 'escalated'
+    assigned_to UUID,
+    assigned_team VARCHAR(100),
+    lead_id UUID,
+    tags TEXT[],
+    priority VARCHAR(20) DEFAULT 'normal', -- 'low', 'normal', 'high', 'urgent'
+    last_activity_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    next_action_at TIMESTAMP WITH TIME ZONE,
+    next_action_type VARCHAR(100),
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    metadata JSONB DEFAULT '{}'
+);
+
+-- Messages
+CREATE TABLE IF NOT EXISTS messages (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    conversation_id UUID NOT NULL REFERENCES conversations(id) ON DELETE CASCADE,
+    contact_id UUID NOT NULL REFERENCES contacts(id),
+    direction VARCHAR(20) NOT NULL, -- 'inbound', 'outbound'
+    content TEXT NOT NULL,
+    content_type VARCHAR(50) DEFAULT 'text', -- 'text', 'image', 'file', 'template'
+    channel_message_id VARCHAR(255),
+    sender_type VARCHAR(50) DEFAULT 'contact', -- 'contact', 'agent', 'system', 'user'
+    sender_id UUID,
+    read_at TIMESTAMP WITH TIME ZONE,
+    delivered_at TIMESTAMP WITH TIME ZONE,
+    metadata JSONB DEFAULT '{}',
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Leads
+CREATE TABLE IF NOT EXISTS leads (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    tenant_id UUID NOT NULL,
+    contact_id UUID NOT NULL REFERENCES contacts(id),
+    conversation_id UUID REFERENCES conversations(id),
+    source VARCHAR(100) NOT NULL,
+    source_metadata JSONB DEFAULT '{}',
+    status VARCHAR(50) DEFAULT 'new', -- 'new', 'contacted', 'qualifying', 'qualified', 'sales', 'won', 'lost'
+    interest VARCHAR(255),
+    product VARCHAR(255),
+    urgency VARCHAR(20) DEFAULT 'normal', -- 'low', 'normal', 'high', 'urgent'
+    customer_type VARCHAR(50), -- 'new', 'existing'
+    owner UUID,
+    team VARCHAR(100),
+    lead_score INTEGER DEFAULT 0,
+    qualification_state JSONB DEFAULT '{}',
+    qualification_complete BOOLEAN DEFAULT false,
+    last_interaction_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    next_action_at TIMESTAMP WITH TIME ZONE,
+    next_action_type VARCHAR(100),
+    won_at TIMESTAMP WITH TIME ZONE,
+    lost_at TIMESTAMP WITH TIME ZONE,
+    lost_reason VARCHAR(255),
+    tags TEXT[],
+    metadata JSONB DEFAULT '{}',
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Lead Score History
+CREATE TABLE IF NOT EXISTS lead_score_history (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    lead_id UUID NOT NULL REFERENCES leads(id) ON DELETE CASCADE,
+    score INTEGER NOT NULL,
+    previous_score INTEGER,
+    reason TEXT NOT NULL,
+    factors JSONB DEFAULT '{}',
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Tags
+CREATE TABLE IF NOT EXISTS tags (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    tenant_id UUID NOT NULL,
+    name VARCHAR(100) NOT NULL,
+    color VARCHAR(20) DEFAULT '#2563EB',
+    category VARCHAR(100),
+    description TEXT,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    UNIQUE(tenant_id, name)
+);
+
+-- Workflows
+CREATE TABLE IF NOT EXISTS workflows (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    tenant_id UUID NOT NULL,
+    name VARCHAR(255) NOT NULL,
+    description TEXT,
+    trigger VARCHAR(100) NOT NULL, -- 'new_contact', 'new_lead', 'tag_added', 'status_changed', etc.
+    trigger_config JSONB DEFAULT '{}',
+    conditions JSONB DEFAULT '[]',
+    actions JSONB DEFAULT '[]',
+    status VARCHAR(50) DEFAULT 'active', -- 'active', 'paused', 'draft'
+    execution_count INTEGER DEFAULT 0,
+    last_executed_at TIMESTAMP WITH TIME ZONE,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Workflow Executions
+CREATE TABLE IF NOT EXISTS workflow_executions (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    workflow_id UUID NOT NULL REFERENCES workflows(id),
+    trigger_event VARCHAR(100) NOT NULL,
+    trigger_data JSONB DEFAULT '{}',
+    status VARCHAR(50) DEFAULT 'running', -- 'running', 'completed', 'failed', 'waiting'
+    current_step INTEGER DEFAULT 0,
+    steps JSONB DEFAULT '[]',
+    result JSONB DEFAULT '{}',
+    error TEXT,
+    started_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    completed_at TIMESTAMP WITH TIME ZONE
+);
+
+-- Follow-ups
+CREATE TABLE IF NOT EXISTS follow_ups (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    tenant_id UUID NOT NULL,
+    lead_id UUID REFERENCES leads(id),
+    conversation_id UUID REFERENCES conversations(id),
+    type VARCHAR(100) NOT NULL,
+    description TEXT,
+    assigned_to UUID,
+    due_at TIMESTAMP WITH TIME ZONE NOT NULL,
+    completed_at TIMESTAMP WITH TIME ZONE,
+    status VARCHAR(50) DEFAULT 'pending', -- 'pending', 'completed', 'overdue', 'cancelled'
+    reminder_sent BOOLEAN DEFAULT false,
+    metadata JSONB DEFAULT '{}',
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Audit Log
+CREATE TABLE IF NOT EXISTS communication_audit_log (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    tenant_id UUID NOT NULL,
+    actor_type VARCHAR(50) NOT NULL, -- 'user', 'system', 'agent', 'workflow'
+    actor_id UUID,
+    action VARCHAR(100) NOT NULL,
+    object_type VARCHAR(100) NOT NULL, -- 'contact', 'lead', 'conversation', 'message', 'workflow'
+    object_id UUID NOT NULL,
+    previous_state JSONB,
+    new_state JSONB,
+    source VARCHAR(100),
+    correlation_id UUID,
+    ip_address INET,
+    user_agent TEXT,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Indexes
+CREATE INDEX IF NOT EXISTS idx_contacts_tenant ON contacts(tenant_id);
+CREATE INDEX IF NOT EXISTS idx_contacts_email ON contacts(email);
+CREATE INDEX IF NOT EXISTS idx_contacts_phone ON contacts(phone);
+CREATE INDEX IF NOT EXISTS idx_contacts_merged ON contacts(merged_into);
+
+CREATE INDEX IF NOT EXISTS idx_contact_links_contact ON contact_identity_links(contact_id);
+CREATE INDEX IF NOT EXISTS idx_contact_links_channel ON contact_identity_links(channel, channel_id);
+
+CREATE INDEX IF NOT EXISTS idx_conversations_tenant ON conversations(tenant_id);
+CREATE INDEX IF NOT EXISTS idx_conversations_contact ON conversations(contact_id);
+CREATE INDEX IF NOT EXISTS idx_conversations_status ON conversations(status);
+CREATE INDEX IF NOT EXISTS idx_conversations_assigned ON conversations(assigned_to);
+CREATE INDEX IF NOT EXISTS idx_conversations_lead ON conversations(lead_id);
+
+CREATE INDEX IF NOT EXISTS idx_messages_conversation ON messages(conversation_id);
+CREATE INDEX IF NOT EXISTS idx_messages_created ON messages(created_at);
+
+CREATE INDEX IF NOT EXISTS idx_leads_tenant ON leads(tenant_id);
+CREATE INDEX IF NOT EXISTS idx_leads_contact ON leads(contact_id);
+CREATE INDEX IF NOT EXISTS idx_leads_status ON leads(status);
+CREATE INDEX IF NOT EXISTS idx_leads_owner ON leads(owner);
+CREATE INDEX IF NOT EXISTS idx_leads_score ON leads(lead_score DESC);
+
+CREATE INDEX IF NOT EXISTS idx_workflows_tenant ON workflows(tenant_id);
+CREATE INDEX IF NOT EXISTS idx_workflows_trigger ON workflows(trigger);
+
+CREATE INDEX IF NOT EXISTS idx_followups_lead ON follow_ups(lead_id);
+CREATE INDEX IF NOT EXISTS idx_followups_due ON follow_ups(due_at);
+CREATE INDEX IF NOT EXISTS idx_followups_status ON follow_ups(status);
+
+CREATE INDEX IF NOT EXISTS idx_audit_tenant ON communication_audit_log(tenant_id);
+CREATE INDEX IF NOT EXISTS idx_audit_object ON communication_audit_log(object_type, object_id);
+CREATE INDEX IF NOT EXISTS idx_audit_correlation ON communication_audit_log(correlation_id);
+CREATE INDEX IF NOT EXISTS idx_audit_created ON communication_audit_log(created_at);
diff --git a/backend/handlers/comm/contact.go b/backend/handlers/comm/contact.go
new file mode 100644
index 000000000..6a43a26ad
--- /dev/null
+++ b/backend/handlers/comm/contact.go
@@ -0,0 +1,257 @@
+package comm
+
+import (
+	"database/sql"
+	"encoding/json"
+	"net/http"
+	"time"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/google/uuid"
+	"github.com/rs/zerolog/log"
+)
+
+// ContactHandler hanterar contact-identitet och deduplicering
+type ContactHandler struct {
+	db *sql.DB
+}
+
+// NewContactHandler skapar en ny handler
+func NewContactHandler(db *sql.DB) *ContactHandler {
+	return &ContactHandler{db: db}
+}
+
+// Contact representerar en kontakt
+type Contact struct {
+	ID          uuid.UUID       `json:"id"`
+	TenantID    uuid.UUID       `json:"tenant_id"`
+	FirstName   string          `json:"first_name,omitempty"`
+	LastName    string          `json:"last_name,omitempty"`
+	Email       string          `json:"email,omitempty"`
+	Phone       string          `json:"phone,omitempty"`
+	Company     string          `json:"company,omitempty"`
+	Tags        []string        `json:"tags,omitempty"`
+	Status      string          `json:"status"`
+	LeadScore   int             `json:"lead_score"`
+	Source      string          `json:"source,omitempty"`
+	Metadata    json.RawMessage `json:"metadata,omitempty"`
+	CreatedAt   time.Time       `json:"created_at"`
+	UpdatedAt   time.Time       `json:"updated_at"`
+}
+
+// CreateContactRequest för att skapa kontakt
+type CreateContactRequest struct {
+	FirstName string   `json:"first_name"`
+	LastName  string   `json:"last_name"`
+	Email     string   `json:"email"`
+	Phone     string   `json:"phone"`
+	Company   string   `json:"company"`
+	Source    string   `json:"source"`
+	Tags      []string `json:"tags,omitempty"`
+	Metadata  map[string]interface{} `json:"metadata,omitempty"`
+}
+
+// CreateContact skapar en ny kontakt med deduplicering
+func (h *ContactHandler) CreateContact(w http.ResponseWriter, r *http.Request) {
+	var req CreateContactRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid request")
+		return
+	}
+
+	tenantID := getTenantID(r)
+	if tenantID == uuid.Nil {
+		writeError(w, http.StatusUnauthorized, "missing tenant")
+		return
+	}
+
+	// Deduplicering: kolla om kontakt redan finns
+	existingID, confidence := h.findExistingContact(tenantID, req.Email, req.Phone)
+	if existingID != uuid.Nil && confidence > 0.8 {
+		// Uppdatera befintlig kontakt
+		h.updateContact(existingID, req)
+		contact, _ := h.getContact(existingID)
+		writeJSON(w, http.StatusOK, map[string]interface{}{
+			"contact":    contact,
+			"merged":     true,
+			"confidence": confidence,
+		})
+		return
+	}
+
+	// Skapa ny kontakt
+	contact, err := h.createNewContact(tenantID, req)
+	if err != nil {
+		log.Error().Err(err).Msg("Failed to create contact")
+		writeError(w, http.StatusInternalServerError, "failed to create contact")
+		return
+	}
+
+	writeJSON(w, http.StatusCreated, map[string]interface{}{
+		"contact":    contact,
+		"merged":     false,
+		"confidence": 1.0,
+	})
+}
+
+// GetContact hämtar en kontakt
+func (h *ContactHandler) GetContact(w http.ResponseWriter, r *http.Request) {
+	id, err := uuid.Parse(chi.URLParam(r, "id"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid id")
+		return
+	}
+
+	contact, err := h.getContact(id)
+	if err != nil {
+		writeError(w, http.StatusNotFound, "contact not found")
+		return
+	}
+
+	writeJSON(w, http.StatusOK, contact)
+}
+
+// ListContacts listar kontakter
+func (h *ContactHandler) ListContacts(w http.ResponseWriter, r *http.Request) {
+	tenantID := getTenantID(r)
+	if tenantID == uuid.Nil {
+		writeError(w, http.StatusUnauthorized, "missing tenant")
+		return
+	}
+
+	rows, err := h.db.Query(`
+		SELECT id, first_name, last_name, email, phone, company, tags, status, lead_score, source, created_at, updated_at
+		FROM contacts
+		WHERE tenant_id = $1 AND merged_into IS NULL
+		ORDER BY updated_at DESC
+		LIMIT 100
+	`, tenantID)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "database error")
+		return
+	}
+	defer rows.Close()
+
+	var contacts []Contact
+	for rows.Next() {
+		var c Contact
+		rows.Scan(&c.ID, &c.FirstName, &c.LastName, &c.Email, &c.Phone, &c.Company, &c.Tags, &c.Status, &c.LeadScore, &c.Source, &c.CreatedAt, &c.UpdatedAt)
+		contacts = append(contacts, c)
+	}
+
+	writeJSON(w, http.StatusOK, map[string]interface{}{"contacts": contacts})
+}
+
+// MergeContacts slår ihop två kontakter
+func (h *ContactHandler) MergeContacts(w http.ResponseWriter, r *http.Request) {
+	var req struct {
+		PrimaryID   uuid.UUID `json:"primary_id"`
+		SecondaryID uuid.UUID `json:"secondary_id"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid request")
+		return
+	}
+
+	// Uppdatera secondary att peka på primary
+	_, err := h.db.Exec(`
+		UPDATE contacts SET merged_into = $1, status = 'merged' WHERE id = $2
+	`, req.PrimaryID, req.SecondaryID)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "merge failed")
+		return
+	}
+
+	// Uppdatera conversations och leads
+	h.db.Exec(`UPDATE conversations SET contact_id = $1 WHERE contact_id = $2`, req.PrimaryID, req.SecondaryID)
+	h.db.Exec(`UPDATE leads SET contact_id = $1 WHERE contact_id = $2`, req.PrimaryID, req.SecondaryID)
+
+	writeJSON(w, http.StatusOK, map[string]interface{}{"merged": true})
+}
+
+// Internal helpers
+
+func (h *ContactHandler) findExistingContact(tenantID uuid.UUID, email, phone string) (uuid.UUID, float64) {
+	if email != "" {
+		var id uuid.UUID
+		err := h.db.QueryRow(`
+			SELECT id FROM contacts 
+			WHERE tenant_id = $1 AND email = $2 AND merged_into IS NULL
+		`, tenantID, email).Scan(&id)
+		if err == nil {
+			return id, 1.0
+		}
+	}
+
+	if phone != "" {
+		var id uuid.UUID
+		err := h.db.QueryRow(`
+			SELECT id FROM contacts 
+			WHERE tenant_id = $1 AND phone = $2 AND merged_into IS NULL
+		`, tenantID, phone).Scan(&id)
+		if err == nil {
+			return id, 0.9
+		}
+	}
+
+	return uuid.Nil, 0
+}
+
+func (h *ContactHandler) createNewContact(tenantID uuid.UUID, req CreateContactRequest) (*Contact, error) {
+	metadata, _ := json.Marshal(req.Metadata)
+	
+	var contact Contact
+	err := h.db.QueryRow(`
+		INSERT INTO contacts (tenant_id, first_name, last_name, email, phone, company, source, tags, metadata)
+		VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)
+		RETURNING id, tenant_id, first_name, last_name, email, phone, company, tags, status, lead_score, source, created_at, updated_at
+	`, tenantID, req.FirstName, req.LastName, req.Email, req.Phone, req.Company, req.Source, req.Tags, metadata).Scan(
+		&contact.ID, &contact.TenantID, &contact.FirstName, &contact.LastName, &contact.Email, &contact.Phone,
+		&contact.Company, &contact.Tags, &contact.Status, &contact.LeadScore, &contact.Source, &contact.CreatedAt, &contact.UpdatedAt,
+	)
+	
+	return &contact, err
+}
+
+func (h *ContactHandler) updateContact(id uuid.UUID, req CreateContactRequest) error {
+	_, err := h.db.Exec(`
+		UPDATE contacts 
+		SET first_name = COALESCE(NULLIF($1, ''), first_name),
+		    last_name = COALESCE(NULLIF($2, ''), last_name),
+		    company = COALESCE(NULLIF($3, ''), company),
+		    updated_at = NOW()
+		WHERE id = $4
+	`, req.FirstName, req.LastName, req.Company, id)
+	return err
+}
+
+func (h *ContactHandler) getContact(id uuid.UUID) (*Contact, error) {
+	var contact Contact
+	err := h.db.QueryRow(`
+		SELECT id, tenant_id, first_name, last_name, email, phone, company, tags, status, lead_score, source, created_at, updated_at
+		FROM contacts WHERE id = $1
+	`, id).Scan(
+		&contact.ID, &contact.TenantID, &contact.FirstName, &contact.LastName, &contact.Email, &contact.Phone,
+		&contact.Company, &contact.Tags, &contact.Status, &contact.LeadScore, &contact.Source, &contact.CreatedAt, &contact.UpdatedAt,
+	)
+	return &contact, err
+}
+
+// Helper functions
+func writeJSON(w http.ResponseWriter, status int, data interface{}) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	json.NewEncoder(w).Encode(data)
+}
+
+func writeError(w http.ResponseWriter, status int, message string) {
+	writeJSON(w, status, map[string]string{"error": message})
+}
+
+func getTenantID(r *http.Request) uuid.UUID {
+	// Hämta från context (satt av auth middleware)
+	if tenantID, ok := r.Context().Value("tenant_id").(uuid.UUID); ok {
+		return tenantID
+	}
+	return uuid.Nil
+}
diff --git a/backend/handlers/comm/conversation.go b/backend/handlers/comm/conversation.go
new file mode 100644
index 000000000..6d2e173cc
--- /dev/null
+++ b/backend/handlers/comm/conversation.go
@@ -0,0 +1,340 @@
+package comm
+
+import (
+	"database/sql"
+	"encoding/json"
+	"net/http"
+	"time"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/google/uuid"
+	"github.com/rs/zerolog/log"
+)
+
+// ConversationHandler hanterar konversationer
+type ConversationHandler struct {
+	db *sql.DB
+}
+
+// NewConversationHandler skapar en ny handler
+func NewConversationHandler(db *sql.DB) *ConversationHandler {
+	return &ConversationHandler{db: db}
+}
+
+// Conversation representerar en konversation
+type Conversation struct {
+	ID              uuid.UUID       `json:"id"`
+	TenantID        uuid.UUID       `json:"tenant_id"`
+	ContactID       uuid.UUID       `json:"contact_id"`
+	Channel         string          `json:"channel"`
+	Status          string          `json:"status"`
+	AssignedTo      *uuid.UUID      `json:"assigned_to,omitempty"`
+	AssignedTeam    string          `json:"assigned_team,omitempty"`
+	LeadID          *uuid.UUID      `json:"lead_id,omitempty"`
+	Tags            []string        `json:"tags,omitempty"`
+	Priority        string          `json:"priority"`
+	LastActivityAt  time.Time       `json:"last_activity_at"`
+	NextActionAt    *time.Time      `json:"next_action_at,omitempty"`
+	NextActionType  string          `json:"next_action_type,omitempty"`
+	CreatedAt       time.Time       `json:"created_at"`
+	UpdatedAt       time.Time       `json:"updated_at"`
+	Contact         *ContactBrief   `json:"contact,omitempty"`
+	MessageCount    int             `json:"message_count"`
+	UnreadCount     int             `json:"unread_count"`
+}
+
+type ContactBrief struct {
+	ID        uuid.UUID `json:"id"`
+	FirstName string    `json:"first_name"`
+	LastName  string    `json:"last_name"`
+	Email     string    `json:"email"`
+	Phone     string    `json:"phone"`
+}
+
+// Message representerar ett meddelande
+type Message struct {
+	ID              uuid.UUID       `json:"id"`
+	ConversationID  uuid.UUID       `json:"conversation_id"`
+	ContactID       uuid.UUID       `json:"contact_id"`
+	Direction       string          `json:"direction"`
+	Content         string          `json:"content"`
+	ContentType     string          `json:"content_type"`
+	SenderType      string          `json:"sender_type"`
+	SenderID        *uuid.UUID      `json:"sender_id,omitempty"`
+	ReadAt          *time.Time      `json:"read_at,omitempty"`
+	CreatedAt       time.Time       `json:"created_at"`
+}
+
+// CreateConversationRequest
+type CreateConversationRequest struct {
+	ContactID    uuid.UUID `json:"contact_id"`
+	Channel      string    `json:"channel"`
+	ChannelID    string    `json:"channel_conversation_id,omitempty"`
+	Priority     string    `json:"priority,omitempty"`
+	AssignedTo   uuid.UUID `json:"assigned_to,omitempty"`
+	AssignedTeam string    `json:"assigned_team,omitempty"`
+}
+
+// SendMessageRequest
+type SendMessageRequest struct {
+	Content     string `json:"content"`
+	ContentType string `json:"content_type,omitempty"`
+	Direction   string `json:"direction"`
+	SenderType  string `json:"sender_type,omitempty"`
+}
+
+// CreateConversation skapar en ny konversation
+func (h *ConversationHandler) CreateConversation(w http.ResponseWriter, r *http.Request) {
+	var req CreateConversationRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid request")
+		return
+	}
+
+	tenantID := getTenantID(r)
+	if tenantID == uuid.Nil {
+		writeError(w, http.StatusUnauthorized, "missing tenant")
+		return
+	}
+
+	var conv Conversation
+	err := h.db.QueryRow(`
+		INSERT INTO conversations (tenant_id, contact_id, channel, channel_conversation_id, status, priority, assigned_to, assigned_team)
+		VALUES ($1, $2, $3, $4, 'new', COALESCE($5, 'normal'), $6, $7)
+		RETURNING id, tenant_id, contact_id, channel, status, assigned_to, assigned_team, priority, last_activity_at, created_at, updated_at
+	`, tenantID, req.ContactID, req.Channel, req.ChannelID, req.Priority, 
+		nullUUID(req.AssignedTo), nullString(req.AssignedTeam)).Scan(
+		&conv.ID, &conv.TenantID, &conv.ContactID, &conv.Channel, &conv.Status,
+		&conv.AssignedTo, &conv.AssignedTeam, &conv.Priority, &conv.LastActivityAt, &conv.CreatedAt, &conv.UpdatedAt,
+	)
+	if err != nil {
+		log.Error().Err(err).Msg("Failed to create conversation")
+		writeError(w, http.StatusInternalServerError, "failed to create conversation")
+		return
+	}
+
+	writeJSON(w, http.StatusCreated, conv)
+}
+
+// ListConversations listar konversationer med filtering
+func (h *ConversationHandler) ListConversations(w http.ResponseWriter, r *http.Request) {
+	tenantID := getTenantID(r)
+	if tenantID == uuid.Nil {
+		writeError(w, http.StatusUnauthorized, "missing tenant")
+		return
+	}
+
+	status := r.URL.Query().Get("status")
+	assignedTo := r.URL.Query().Get("assigned_to")
+	channel := r.URL.Query().Get("channel")
+
+	query := `
+		SELECT c.id, c.tenant_id, c.contact_id, c.channel, c.status, c.assigned_to, c.assigned_team,
+		       c.priority, c.last_activity_at, c.next_action_at, c.next_action_type, c.created_at, c.updated_at,
+		       co.id, co.first_name, co.last_name, co.email, co.phone,
+		       (SELECT COUNT(*) FROM messages WHERE conversation_id = c.id) as message_count,
+		       (SELECT COUNT(*) FROM messages WHERE conversation_id = c.id AND direction = 'inbound' AND read_at IS NULL) as unread_count
+		FROM conversations c
+		JOIN contacts co ON c.contact_id = co.id
+		WHERE c.tenant_id = $1
+	`
+	args := []interface{}{tenantID}
+	argCount := 1
+
+	if status != "" {
+		argCount++
+		query += " AND c.status = $" + string(rune('0'+argCount))
+		args = append(args, status)
+	}
+	if assignedTo != "" {
+		argCount++
+		query += " AND c.assigned_to = $" + string(rune('0'+argCount))
+		args = append(args, assignedTo)
+	}
+	if channel != "" {
+		argCount++
+		query += " AND c.channel = $" + string(rune('0'+argCount))
+		args = append(args, channel)
+	}
+
+	query += " ORDER BY c.last_activity_at DESC LIMIT 100"
+
+	rows, err := h.db.Query(query, args...)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "database error")
+		return
+	}
+	defer rows.Close()
+
+	var conversations []Conversation
+	for rows.Next() {
+		var conv Conversation
+		var contact ContactBrief
+		rows.Scan(
+			&conv.ID, &conv.TenantID, &conv.ContactID, &conv.Channel, &conv.Status,
+			&conv.AssignedTo, &conv.AssignedTeam, &conv.Priority, &conv.LastActivityAt,
+			&conv.NextActionAt, &conv.NextActionType, &conv.CreatedAt, &conv.UpdatedAt,
+			&contact.ID, &contact.FirstName, &contact.LastName, &contact.Email, &contact.Phone,
+			&conv.MessageCount, &conv.UnreadCount,
+		)
+		conv.Contact = &contact
+		conversations = append(conversations, conv)
+	}
+
+	writeJSON(w, http.StatusOK, map[string]interface{}{"conversations": conversations})
+}
+
+// GetConversation hämtar en konversation med meddelanden
+func (h *ConversationHandler) GetConversation(w http.ResponseWriter, r *http.Request) {
+	id, err := uuid.Parse(chi.URLParam(r, "id"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid id")
+		return
+	}
+
+	var conv Conversation
+	err = h.db.QueryRow(`
+		SELECT id, tenant_id, contact_id, channel, status, assigned_to, assigned_team,
+		       priority, last_activity_at, next_action_at, next_action_type, created_at, updated_at
+		FROM conversations WHERE id = $1
+	`, id).Scan(
+		&conv.ID, &conv.TenantID, &conv.ContactID, &conv.Channel, &conv.Status,
+		&conv.AssignedTo, &conv.AssignedTeam, &conv.Priority, &conv.LastActivityAt,
+		&conv.NextActionAt, &conv.NextActionType, &conv.CreatedAt, &conv.UpdatedAt,
+	)
+	if err != nil {
+		writeError(w, http.StatusNotFound, "conversation not found")
+		return
+	}
+
+	// Hämta meddelanden
+	rows, err := h.db.Query(`
+		SELECT id, conversation_id, contact_id, direction, content, content_type,
+		       sender_type, sender_id, read_at, created_at
+		FROM messages
+		WHERE conversation_id = $1
+		ORDER BY created_at ASC
+	`, id)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "database error")
+		return
+	}
+	defer rows.Close()
+
+	var messages []Message
+	for rows.Next() {
+		var msg Message
+		rows.Scan(&msg.ID, &msg.ConversationID, &msg.ContactID, &msg.Direction, &msg.Content,
+			&msg.ContentType, &msg.SenderType, &msg.SenderID, &msg.ReadAt, &msg.CreatedAt)
+		messages = append(messages, msg)
+	}
+
+	writeJSON(w, http.StatusOK, map[string]interface{}{
+		"conversation": conv,
+		"messages":     messages,
+	})
+}
+
+// SendMessage skickar ett meddelande i en konversation
+func (h *ConversationHandler) SendMessage(w http.ResponseWriter, r *http.Request) {
+	convID, err := uuid.Parse(chi.URLParam(r, "id"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid conversation id")
+		return
+	}
+
+	var req SendMessageRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid request")
+		return
+	}
+
+	// Hämta conversation för att få contact_id
+	var contactID uuid.UUID
+	err = h.db.QueryRow("SELECT contact_id FROM conversations WHERE id = $1", convID).Scan(&contactID)
+	if err != nil {
+		writeError(w, http.StatusNotFound, "conversation not found")
+		return
+	}
+
+	// Sätt sender från auth context
+	var senderID *uuid.UUID
+	if userID, ok := r.Context().Value("user_id").(uuid.UUID); ok {
+		senderID = &userID
+	}
+
+	var msg Message
+	err = h.db.QueryRow(`
+		INSERT INTO messages (conversation_id, contact_id, direction, content, content_type, sender_type, sender_id)
+		VALUES ($1, $2, $3, $4, $5, $6, $7)
+		RETURNING id, conversation_id, contact_id, direction, content, content_type, sender_type, sender_id, created_at
+	`, convID, contactID, req.Direction, req.Content, req.ContentType, req.SenderType, senderID).Scan(
+		&msg.ID, &msg.ConversationID, &msg.ContactID, &msg.Direction, &msg.Content,
+		&msg.ContentType, &msg.SenderType, &msg.SenderID, &msg.CreatedAt,
+	)
+	if err != nil {
+		log.Error().Err(err).Msg("Failed to create message")
+		writeError(w, http.StatusInternalServerError, "failed to create message")
+		return
+	}
+
+	// Uppdatera conversation last_activity
+	h.db.Exec(`
+		UPDATE conversations 
+		SET last_activity_at = NOW(), updated_at = NOW()
+		WHERE id = $1
+	`, convID)
+
+	writeJSON(w, http.StatusCreated, msg)
+}
+
+// UpdateConversationStatus uppdaterar status
+func (h *ConversationHandler) UpdateStatus(w http.ResponseWriter, r *http.Request) {
+	id, err := uuid.Parse(chi.URLParam(r, "id"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid id")
+		return
+	}
+
+	var req struct {
+		Status       string    `json:"status"`
+		AssignedTo   uuid.UUID `json:"assigned_to,omitempty"`
+		AssignedTeam string    `json:"assigned_team,omitempty"`
+		Priority     string    `json:"priority,omitempty"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid request")
+		return
+	}
+
+	_, err = h.db.Exec(`
+		UPDATE conversations 
+		SET status = COALESCE(NULLIF($1, ''), status),
+		    assigned_to = COALESCE($2, assigned_to),
+		    assigned_team = COALESCE(NULLIF($3, ''), assigned_team),
+		    priority = COALESCE(NULLIF($4, ''), priority),
+		    updated_at = NOW()
+		WHERE id = $5
+	`, req.Status, nullUUID(req.AssignedTo), req.AssignedTeam, req.Priority, id)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "update failed")
+		return
+	}
+
+	writeJSON(w, http.StatusOK, map[string]interface{}{"updated": true})
+}
+
+// Helper functions
+func nullUUID(u uuid.UUID) interface{} {
+	if u == uuid.Nil {
+		return nil
+	}
+	return u
+}
+
+func nullString(s string) interface{} {
+	if s == "" {
+		return nil
+	}
+	return s
+}
diff --git a/backend/handlers/comm/lead.go b/backend/handlers/comm/lead.go
new file mode 100644
index 000000000..2af80fa32
--- /dev/null
+++ b/backend/handlers/comm/lead.go
@@ -0,0 +1,485 @@
+package comm
+
+import (
+	"database/sql"
+	"encoding/json"
+	"net/http"
+	"time"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/google/uuid"
+	"github.com/rs/zerolog/log"
+)
+
+// LeadHandler hanterar leads
+type LeadHandler struct {
+	db *sql.DB
+}
+
+// NewLeadHandler skapar en ny handler
+func NewLeadHandler(db *sql.DB) *LeadHandler {
+	return &LeadHandler{db: db}
+}
+
+// Lead representerar ett lead
+type Lead struct {
+	ID                   uuid.UUID       `json:"id"`
+	TenantID             uuid.UUID       `json:"tenant_id"`
+	ContactID            uuid.UUID       `json:"contact_id"`
+	ConversationID       *uuid.UUID      `json:"conversation_id,omitempty"`
+	Source               string          `json:"source"`
+	SourceMetadata       json.RawMessage `json:"source_metadata,omitempty"`
+	Status               string          `json:"status"`
+	Interest             string          `json:"interest,omitempty"`
+	Product              string          `json:"product,omitempty"`
+	Urgency              string          `json:"urgency"`
+	CustomerType         string          `json:"customer_type,omitempty"`
+	Owner                *uuid.UUID      `json:"owner,omitempty"`
+	Team                 string          `json:"team,omitempty"`
+	LeadScore            int             `json:"lead_score"`
+	QualificationState   json.RawMessage `json:"qualification_state,omitempty"`
+	QualificationComplete bool           `json:"qualification_complete"`
+	LastInteractionAt    time.Time       `json:"last_interaction_at"`
+	NextActionAt         *time.Time      `json:"next_action_at,omitempty"`
+	NextActionType       string          `json:"next_action_type,omitempty"`
+	Tags                 []string        `json:"tags,omitempty"`
+	CreatedAt            time.Time       `json:"created_at"`
+	UpdatedAt            time.Time       `json:"updated_at"`
+	Contact              *ContactBrief   `json:"contact,omitempty"`
+}
+
+// CreateLeadRequest
+type CreateLeadRequest struct {
+	ContactID      uuid.UUID              `json:"contact_id"`
+	ConversationID uuid.UUID              `json:"conversation_id,omitempty"`
+	Source         string                 `json:"source"`
+	SourceMetadata map[string]interface{} `json:"source_metadata,omitempty"`
+	Interest       string                 `json:"interest,omitempty"`
+	Product        string                 `json:"product,omitempty"`
+	Urgency        string                 `json:"urgency,omitempty"`
+	CustomerType   string                 `json:"customer_type,omitempty"`
+	Tags           []string               `json:"tags,omitempty"`
+}
+
+// UpdateLeadRequest
+type UpdateLeadRequest struct {
+	Status       string    `json:"status,omitempty"`
+	Interest     string    `json:"interest,omitempty"`
+	Product      string    `json:"product,omitempty"`
+	Urgency      string    `json:"urgency,omitempty"`
+	Owner        uuid.UUID `json:"owner,omitempty"`
+	Team         string    `json:"team,omitempty"`
+	Tags         []string  `json:"tags,omitempty"`
+	LeadScore    int       `json:"lead_score,omitempty"`
+}
+
+// CreateLead skapar ett nytt lead
+func (h *LeadHandler) CreateLead(w http.ResponseWriter, r *http.Request) {
+	var req CreateLeadRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid request")
+		return
+	}
+
+	tenantID := getTenantID(r)
+	if tenantID == uuid.Nil {
+		writeError(w, http.StatusUnauthorized, "missing tenant")
+		return
+	}
+
+	sourceMetadata, _ := json.Marshal(req.SourceMetadata)
+
+	var lead Lead
+	err := h.db.QueryRow(`
+		INSERT INTO leads (tenant_id, contact_id, conversation_id, source, source_metadata, 
+		                   interest, product, urgency, customer_type, tags, status)
+		VALUES ($1, $2, $3, $4, $5, $6, $7, COALESCE($8, 'normal'), $9, $10, 'new')
+		RETURNING id, tenant_id, contact_id, conversation_id, source, status, interest, product,
+		          urgency, customer_type, owner, team, lead_score, qualification_complete,
+		          last_interaction_at, next_action_at, next_action_type, tags, created_at, updated_at
+	`, tenantID, req.ContactID, nullUUID(req.ConversationID), req.Source, sourceMetadata,
+		req.Interest, req.Product, req.Urgency, req.CustomerType, req.Tags).Scan(
+		&lead.ID, &lead.TenantID, &lead.ContactID, &lead.ConversationID, &lead.Source, &lead.Status,
+		&lead.Interest, &lead.Product, &lead.Urgency, &lead.CustomerType, &lead.Owner, &lead.Team,
+		&lead.LeadScore, &lead.QualificationComplete, &lead.LastInteractionAt, &lead.NextActionAt,
+		&lead.NextActionType, &lead.Tags, &lead.CreatedAt, &lead.UpdatedAt,
+	)
+	if err != nil {
+		log.Error().Err(err).Msg("Failed to create lead")
+		writeError(w, http.StatusInternalServerError, "failed to create lead")
+		return
+	}
+
+	// Beräkna initial lead score
+	score, factors := h.calculateLeadScore(lead)
+	if score > 0 {
+		h.updateLeadScore(lead.ID, score, factors, "Initial score on creation")
+	}
+
+	writeJSON(w, http.StatusCreated, lead)
+}
+
+// GetLead hämtar ett lead
+func (h *LeadHandler) GetLead(w http.ResponseWriter, r *http.Request) {
+	id, err := uuid.Parse(chi.URLParam(r, "id"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid id")
+		return
+	}
+
+	lead, err := h.getLeadWithContact(id)
+	if err != nil {
+		writeError(w, http.StatusNotFound, "lead not found")
+		return
+	}
+
+	writeJSON(w, http.StatusOK, lead)
+}
+
+// ListLeads listar leads med filtering
+func (h *LeadHandler) ListLeads(w http.ResponseWriter, r *http.Request) {
+	tenantID := getTenantID(r)
+	if tenantID == uuid.Nil {
+		writeError(w, http.StatusUnauthorized, "missing tenant")
+		return
+	}
+
+	status := r.URL.Query().Get("status")
+	owner := r.URL.Query().Get("owner")
+	minScore := r.URL.Query().Get("min_score")
+
+	query := `
+		SELECT l.id, l.tenant_id, l.contact_id, l.conversation_id, l.source, l.status,
+		       l.interest, l.product, l.urgency, l.customer_type, l.owner, l.team,
+		       l.lead_score, l.qualification_complete, l.last_interaction_at,
+		       l.next_action_at, l.next_action_type, l.tags, l.created_at, l.updated_at,
+		       c.id, c.first_name, c.last_name, c.email, c.phone
+		FROM leads l
+		JOIN contacts c ON l.contact_id = c.id
+		WHERE l.tenant_id = $1
+	`
+	args := []interface{}{tenantID}
+	argCount := 1
+
+	if status != "" {
+		argCount++
+		query += " AND l.status = $" + string(rune('0'+argCount))
+		args = append(args, status)
+	}
+	if owner != "" {
+		argCount++
+		query += " AND l.owner = $" + string(rune('0'+argCount))
+		args = append(args, owner)
+	}
+	if minScore != "" {
+		argCount++
+		query += " AND l.lead_score >= $" + string(rune('0'+argCount))
+		args = append(args, minScore)
+	}
+
+	query += " ORDER BY l.lead_score DESC, l.created_at DESC LIMIT 100"
+
+	rows, err := h.db.Query(query, args...)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "database error")
+		return
+	}
+	defer rows.Close()
+
+	var leads []Lead
+	for rows.Next() {
+		var lead Lead
+		var contact ContactBrief
+		rows.Scan(
+			&lead.ID, &lead.TenantID, &lead.ContactID, &lead.ConversationID, &lead.Source, &lead.Status,
+			&lead.Interest, &lead.Product, &lead.Urgency, &lead.CustomerType, &lead.Owner, &lead.Team,
+			&lead.LeadScore, &lead.QualificationComplete, &lead.LastInteractionAt,
+			&lead.NextActionAt, &lead.NextActionType, &lead.Tags, &lead.CreatedAt, &lead.UpdatedAt,
+			&contact.ID, &contact.FirstName, &contact.LastName, &contact.Email, &contact.Phone,
+		)
+		lead.Contact = &contact
+		leads = append(leads, lead)
+	}
+
+	writeJSON(w, http.StatusOK, map[string]interface{}{"leads": leads})
+}
+
+// UpdateLead uppdaterar ett lead
+func (h *LeadHandler) UpdateLead(w http.ResponseWriter, r *http.Request) {
+	id, err := uuid.Parse(chi.URLParam(r, "id"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid id")
+		return
+	}
+
+	var req UpdateLeadRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid request")
+		return
+	}
+
+	// Hämta nuvarande lead för att logga förändringar
+	oldLead, _ := h.getLead(id)
+
+	_, err = h.db.Exec(`
+		UPDATE leads 
+		SET status = COALESCE(NULLIF($1, ''), status),
+		    interest = COALESCE(NULLIF($2, ''), interest),
+		    product = COALESCE(NULLIF($3, ''), product),
+		    urgency = COALESCE(NULLIF($4, ''), urgency),
+		    owner = COALESCE($5, owner),
+		    team = COALESCE(NULLIF($6, ''), team),
+		    tags = COALESCE($7, tags),
+		    lead_score = COALESCE(NULLIF($8, 0), lead_score),
+		    updated_at = NOW()
+		WHERE id = $9
+	`, req.Status, req.Interest, req.Product, req.Urgency,
+		nullUUID(req.Owner), req.Team, req.Tags, req.LeadScore, id)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "update failed")
+		return
+	}
+
+	// Om status ändrades, logga det
+	if oldLead != nil && req.Status != "" && req.Status != oldLead.Status {
+		h.logStatusChange(id, oldLead.Status, req.Status)
+	}
+
+	writeJSON(w, http.StatusOK, map[string]interface{}{"updated": true})
+}
+
+// UpdateQualification uppdaterar kvalificeringsstatus
+func (h *LeadHandler) UpdateQualification(w http.ResponseWriter, r *http.Request) {
+	id, err := uuid.Parse(chi.URLParam(r, "id"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid id")
+		return
+	}
+
+	var req struct {
+		State    map[string]interface{} `json:"state"`
+		Complete bool                   `json:"complete"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid request")
+		return
+	}
+
+	stateJSON, _ := json.Marshal(req.State)
+
+	_, err = h.db.Exec(`
+		UPDATE leads 
+		SET qualification_state = $1, qualification_complete = $2, updated_at = NOW()
+		WHERE id = $3
+	`, stateJSON, req.Complete, id)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "update failed")
+		return
+	}
+
+	// Om kvalificering är komplett, uppdatera score
+	if req.Complete {
+		lead, _ := h.getLead(id)
+		if lead != nil {
+			score, factors := h.calculateLeadScore(*lead)
+			h.updateLeadScore(id, score, factors, "Qualification completed")
+		}
+	}
+
+	writeJSON(w, http.StatusOK, map[string]interface{}{"updated": true})
+}
+
+// GetLeadScoreHistory hämtar score-historik
+func (h *LeadHandler) GetLeadScoreHistory(w http.ResponseWriter, r *http.Request) {
+	id, err := uuid.Parse(chi.URLParam(r, "id"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid id")
+		return
+	}
+
+	rows, err := h.db.Query(`
+		SELECT id, lead_id, score, previous_score, reason, factors, created_at
+		FROM lead_score_history
+		WHERE lead_id = $1
+		ORDER BY created_at DESC
+	`, id)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "database error")
+		return
+	}
+	defer rows.Close()
+
+	var history []map[string]interface{}
+	for rows.Next() {
+		var entry struct {
+			ID            uuid.UUID       `json:"id"`
+			LeadID        uuid.UUID       `json:"lead_id"`
+			Score         int             `json:"score"`
+			PreviousScore *int            `json:"previous_score,omitempty"`
+			Reason        string          `json:"reason"`
+			Factors       json.RawMessage `json:"factors"`
+			CreatedAt     time.Time       `json:"created_at"`
+		}
+		rows.Scan(&entry.ID, &entry.LeadID, &entry.Score, &entry.PreviousScore, &entry.Reason, &entry.Factors, &entry.CreatedAt)
+		history = append(history, map[string]interface{}{
+			"id":             entry.ID,
+			"score":          entry.Score,
+			"previous_score": entry.PreviousScore,
+			"reason":         entry.Reason,
+			"factors":        entry.Factors,
+			"created_at":     entry.CreatedAt,
+		})
+	}
+
+	writeJSON(w, http.StatusOK, map[string]interface{}{"history": history})
+}
+
+// LeadScoringFactors förklarar score
+type LeadScoringFactors struct {
+	SourceScore      int `json:"source_score"`
+	InteractionScore int `json:"interaction_score"`
+	IntentScore      int `json:"intent_score"`
+	UrgencyScore     int `json:"urgency_score"`
+	ProductScore     int `json:"product_score"`
+	CustomerScore    int `json:"customer_score"`
+	QualificationScore int `json:"qualification_score"`
+}
+
+// calculateLeadScore beräknar lead score
+func (h *LeadHandler) calculateLeadScore(lead Lead) (int, LeadScoringFactors) {
+	factors := LeadScoringFactors{}
+
+	// Source score
+	switch lead.Source {
+	case "referral", "website":
+		factors.SourceScore = 25
+	case "whatsapp", "instagram", "facebook":
+		factors.SourceScore = 20
+	case "campaign", "landing_page":
+		factors.SourceScore = 15
+	default:
+		factors.SourceScore = 10
+	}
+
+	// Urgency score
+	switch lead.Urgency {
+	case "urgent":
+		factors.UrgencyScore = 20
+	case "high":
+		factors.UrgencyScore = 15
+	case "normal":
+		factors.UrgencyScore = 10
+	default:
+		factors.UrgencyScore = 5
+	}
+
+	// Product interest score
+	if lead.Product != "" {
+		factors.ProductScore = 15
+	}
+
+	// Customer type score
+	if lead.CustomerType == "existing" {
+		factors.CustomerScore = 15
+	} else {
+		factors.CustomerScore = 10
+	}
+
+	// Qualification score
+	if lead.QualificationComplete {
+		factors.QualificationScore = 20
+	} else {
+		// Delvis kvalificering
+		var state map[string]interface{}
+		json.Unmarshal(lead.QualificationState, &state)
+		if len(state) > 0 {
+			factors.QualificationScore = 10
+		}
+	}
+
+	// Interaction score (baserat på konversation)
+	if lead.ConversationID != nil {
+		var msgCount int
+		h.db.QueryRow("SELECT COUNT(*) FROM messages WHERE conversation_id = $1", lead.ConversationID).Scan(&msgCount)
+		if msgCount > 5 {
+			factors.InteractionScore = 15
+		} else if msgCount > 2 {
+			factors.InteractionScore = 10
+		} else {
+			factors.InteractionScore = 5
+		}
+	}
+
+	total := factors.SourceScore + factors.InteractionScore + factors.IntentScore +
+		factors.UrgencyScore + factors.ProductScore + factors.CustomerScore + factors.QualificationScore
+
+	// Cap at 100
+	if total > 100 {
+		total = 100
+	}
+
+	return total, factors
+}
+
+func (h *LeadHandler) updateLeadScore(leadID uuid.UUID, score int, factors LeadScoringFactors, reason string) {
+	// Hämta nuvarande score
+	var oldScore int
+	h.db.QueryRow("SELECT lead_score FROM leads WHERE id = $1", leadID).Scan(&oldScore)
+
+	// Uppdatera lead
+	h.db.Exec("UPDATE leads SET lead_score = $1, updated_at = NOW() WHERE id = $2", score, leadID)
+
+	// Logga förändring
+	factorsJSON, _ := json.Marshal(factors)
+	h.db.Exec(`
+		INSERT INTO lead_score_history (lead_id, score, previous_score, reason, factors)
+		VALUES ($1, $2, $3, $4, $5)
+	`, leadID, score, oldScore, reason, factorsJSON)
+}
+
+func (h *LeadHandler) logStatusChange(leadID uuid.UUID, oldStatus, newStatus string) {
+	// TODO: Implementera audit logging
+	log.Info().
+		Str("lead_id", leadID.String()).
+		Str("old_status", oldStatus).
+		Str("new_status", newStatus).
+		Msg("Lead status changed")
+}
+
+func (h *LeadHandler) getLead(id uuid.UUID) (*Lead, error) {
+	var lead Lead
+	err := h.db.QueryRow(`
+		SELECT id, tenant_id, contact_id, conversation_id, source, status, interest, product,
+		       urgency, customer_type, owner, team, lead_score, qualification_state, qualification_complete,
+		       last_interaction_at, next_action_at, next_action_type, tags, created_at, updated_at
+		FROM leads WHERE id = $1
+	`, id).Scan(
+		&lead.ID, &lead.TenantID, &lead.ContactID, &lead.ConversationID, &lead.Source, &lead.Status,
+		&lead.Interest, &lead.Product, &lead.Urgency, &lead.CustomerType, &lead.Owner, &lead.Team,
+		&lead.LeadScore, &lead.QualificationState, &lead.QualificationComplete, &lead.LastInteractionAt,
+		&lead.NextActionAt, &lead.NextActionType, &lead.Tags, &lead.CreatedAt, &lead.UpdatedAt,
+	)
+	return &lead, err
+}
+
+func (h *LeadHandler) getLeadWithContact(id uuid.UUID) (*Lead, error) {
+	var lead Lead
+	var contact ContactBrief
+	err := h.db.QueryRow(`
+		SELECT l.id, l.tenant_id, l.contact_id, l.conversation_id, l.source, l.status, l.interest, l.product,
+		       l.urgency, l.customer_type, l.owner, l.team, l.lead_score, l.qualification_state, l.qualification_complete,
+		       l.last_interaction_at, l.next_action_at, l.next_action_type, l.tags, l.created_at, l.updated_at,
+		       c.id, c.first_name, c.last_name, c.email, c.phone
+		FROM leads l
+		JOIN contacts c ON l.contact_id = c.id
+		WHERE l.id = $1
+	`, id).Scan(
+		&lead.ID, &lead.TenantID, &lead.ContactID, &lead.ConversationID, &lead.Source, &lead.Status,
+		&lead.Interest, &lead.Product, &lead.Urgency, &lead.CustomerType, &lead.Owner, &lead.Team,
+		&lead.LeadScore, &lead.QualificationState, &lead.QualificationComplete, &lead.LastInteractionAt,
+		&lead.NextActionAt, &lead.NextActionType, &lead.Tags, &lead.CreatedAt, &lead.UpdatedAt,
+		&contact.ID, &contact.FirstName, &contact.LastName, &contact.Email, &contact.Phone,
+	)
+	lead.Contact = &contact
+	return &lead, err
+}
diff --git a/backend/handlers/comm/workflow.go b/backend/handlers/comm/workflow.go
new file mode 100644
index 000000000..40e5ea2c3
--- /dev/null
+++ b/backend/handlers/comm/workflow.go
@@ -0,0 +1,453 @@
+package comm
+
+import (
+	"database/sql"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"time"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/google/uuid"
+	"github.com/rs/zerolog/log"
+)
+
+// WorkflowHandler hanterar workflows
+type WorkflowHandler struct {
+	db *sql.DB
+}
+
+// NewWorkflowHandler skapar en ny handler
+func NewWorkflowHandler(db *sql.DB) *WorkflowHandler {
+	return &WorkflowHandler{db: db}
+}
+
+// Workflow representerar en workflow
+type Workflow struct {
+	ID              uuid.UUID       `json:"id"`
+	TenantID        uuid.UUID       `json:"tenant_id"`
+	Name            string          `json:"name"`
+	Description     string          `json:"description,omitempty"`
+	Trigger         string          `json:"trigger"`
+	TriggerConfig   json.RawMessage `json:"trigger_config,omitempty"`
+	Conditions      json.RawMessage `json:"conditions,omitempty"`
+	Actions         json.RawMessage `json:"actions,omitempty"`
+	Status          string          `json:"status"`
+	ExecutionCount  int             `json:"execution_count"`
+	LastExecutedAt  *time.Time      `json:"last_executed_at,omitempty"`
+	CreatedAt       time.Time       `json:"created_at"`
+	UpdatedAt       time.Time       `json:"updated_at"`
+}
+
+// WorkflowExecution representerar en workflow-körning
+type WorkflowExecution struct {
+	ID           uuid.UUID       `json:"id"`
+	WorkflowID   uuid.UUID       `json:"workflow_id"`
+	TriggerEvent string          `json:"trigger_event"`
+	TriggerData  json.RawMessage `json:"trigger_data,omitempty"`
+	Status       string          `json:"status"`
+	CurrentStep  int             `json:"current_step"`
+	Steps        json.RawMessage `json:"steps,omitempty"`
+	Result       json.RawMessage `json:"result,omitempty"`
+	Error        string          `json:"error,omitempty"`
+	StartedAt    time.Time       `json:"started_at"`
+	CompletedAt  *time.Time      `json:"completed_at,omitempty"`
+}
+
+// CreateWorkflowRequest
+type CreateWorkflowRequest struct {
+	Name        string                   `json:"name"`
+	Description string                   `json:"description,omitempty"`
+	Trigger     string                   `json:"trigger"`
+	TriggerConfig map[string]interface{} `json:"trigger_config,omitempty"`
+	Conditions  []WorkflowCondition      `json:"conditions,omitempty"`
+	Actions     []WorkflowAction         `json:"actions"`
+}
+
+// WorkflowCondition representerar ett villkor
+type WorkflowCondition struct {
+	Field    string      `json:"field"`
+	Operator string      `json:"operator"` // 'eq', 'ne', 'gt', 'lt', 'contains', 'exists'
+	Value    interface{} `json:"value"`
+}
+
+// WorkflowAction representerar en åtgärd
+type WorkflowAction struct {
+	Type   string                 `json:"type"` // 'create_contact', 'create_lead', 'update_lead', 'add_tag', 'assign_owner', 'create_task', 'send_message', 'change_status', 'escalate', 'webhook', 'wait'
+	Config map[string]interface{} `json:"config"`
+}
+
+// CreateWorkflow skapar en ny workflow
+func (h *WorkflowHandler) CreateWorkflow(w http.ResponseWriter, r *http.Request) {
+	var req CreateWorkflowRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid request")
+		return
+	}
+
+	tenantID := getTenantID(r)
+	if tenantID == uuid.Nil {
+		writeError(w, http.StatusUnauthorized, "missing tenant")
+		return
+	}
+
+	triggerConfig, _ := json.Marshal(req.TriggerConfig)
+	conditions, _ := json.Marshal(req.Conditions)
+	actions, _ := json.Marshal(req.Actions)
+
+	var workflow Workflow
+	err := h.db.QueryRow(`
+		INSERT INTO workflows (tenant_id, name, description, trigger, trigger_config, conditions, actions, status)
+		VALUES ($1, $2, $3, $4, $5, $6, $7, 'active')
+		RETURNING id, tenant_id, name, description, trigger, trigger_config, conditions, actions, status, created_at, updated_at
+	`, tenantID, req.Name, req.Description, req.Trigger, triggerConfig, conditions, actions).Scan(
+		&workflow.ID, &workflow.TenantID, &workflow.Name, &workflow.Description, &workflow.Trigger,
+		&workflow.TriggerConfig, &workflow.Conditions, &workflow.Actions, &workflow.Status,
+		&workflow.CreatedAt, &workflow.UpdatedAt,
+	)
+	if err != nil {
+		log.Error().Err(err).Msg("Failed to create workflow")
+		writeError(w, http.StatusInternalServerError, "failed to create workflow")
+		return
+	}
+
+	writeJSON(w, http.StatusCreated, workflow)
+}
+
+// ListWorkflows listar workflows
+func (h *WorkflowHandler) ListWorkflows(w http.ResponseWriter, r *http.Request) {
+	tenantID := getTenantID(r)
+	if tenantID == uuid.Nil {
+		writeError(w, http.StatusUnauthorized, "missing tenant")
+		return
+	}
+
+	rows, err := h.db.Query(`
+		SELECT id, tenant_id, name, description, trigger, status, execution_count, last_executed_at, created_at, updated_at
+		FROM workflows
+		WHERE tenant_id = $1
+		ORDER BY created_at DESC
+	`, tenantID)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "database error")
+		return
+	}
+	defer rows.Close()
+
+	var workflows []Workflow
+	for rows.Next() {
+		var w Workflow
+		rows.Scan(&w.ID, &w.TenantID, &w.Name, &w.Description, &w.Trigger, &w.Status, &w.ExecutionCount, &w.LastExecutedAt, &w.CreatedAt, &w.UpdatedAt)
+		workflows = append(workflows, w)
+	}
+
+	writeJSON(w, http.StatusOK, map[string]interface{}{"workflows": workflows})
+}
+
+// GetWorkflow hämtar en workflow
+func (h *WorkflowHandler) GetWorkflow(w http.ResponseWriter, r *http.Request) {
+	id, err := uuid.Parse(chi.URLParam(r, "id"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid id")
+		return
+	}
+
+	var workflow Workflow
+	err = h.db.QueryRow(`
+		SELECT id, tenant_id, name, description, trigger, trigger_config, conditions, actions, status, execution_count, last_executed_at, created_at, updated_at
+		FROM workflows WHERE id = $1
+	`, id).Scan(
+		&workflow.ID, &workflow.TenantID, &workflow.Name, &workflow.Description, &workflow.Trigger,
+		&workflow.TriggerConfig, &workflow.Conditions, &workflow.Actions, &workflow.Status,
+		&workflow.ExecutionCount, &workflow.LastExecutedAt, &workflow.CreatedAt, &workflow.UpdatedAt,
+	)
+	if err != nil {
+		writeError(w, http.StatusNotFound, "workflow not found")
+		return
+	}
+
+	writeJSON(w, http.StatusOK, workflow)
+}
+
+// UpdateWorkflow uppdaterar en workflow
+func (h *WorkflowHandler) UpdateWorkflow(w http.ResponseWriter, r *http.Request) {
+	id, err := uuid.Parse(chi.URLParam(r, "id"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid id")
+		return
+	}
+
+	var req CreateWorkflowRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid request")
+		return
+	}
+
+	triggerConfig, _ := json.Marshal(req.TriggerConfig)
+	conditions, _ := json.Marshal(req.Conditions)
+	actions, _ := json.Marshal(req.Actions)
+
+	_, err = h.db.Exec(`
+		UPDATE workflows 
+		SET name = $1, description = $2, trigger = $3, trigger_config = $4, conditions = $5, actions = $6, updated_at = NOW()
+		WHERE id = $7
+	`, req.Name, req.Description, req.Trigger, triggerConfig, conditions, actions, id)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "update failed")
+		return
+	}
+
+	writeJSON(w, http.StatusOK, map[string]interface{}{"updated": true})
+}
+
+// ToggleWorkflow aktiverar/pausar en workflow
+func (h *WorkflowHandler) ToggleWorkflow(w http.ResponseWriter, r *http.Request) {
+	id, err := uuid.Parse(chi.URLParam(r, "id"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid id")
+		return
+	}
+
+	var req struct {
+		Status string `json:"status"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid request")
+		return
+	}
+
+	_, err = h.db.Exec("UPDATE workflows SET status = $1, updated_at = NOW() WHERE id = $2", req.Status, id)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "update failed")
+		return
+	}
+
+	writeJSON(w, http.StatusOK, map[string]interface{}{"status": req.Status})
+}
+
+// ExecuteWorkflow manuellt kör en workflow
+func (h *WorkflowHandler) ExecuteWorkflow(w http.ResponseWriter, r *http.Request) {
+	id, err := uuid.Parse(chi.URLParam(r, "id"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid id")
+		return
+	}
+
+	var req struct {
+		TriggerData map[string]interface{} `json:"trigger_data"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid request")
+		return
+	}
+
+	// Hämta workflow
+	var workflow Workflow
+	err = h.db.QueryRow(`
+		SELECT id, tenant_id, name, trigger, conditions, actions 
+		FROM workflows WHERE id = $1 AND status = 'active'
+	`, id).Scan(&workflow.ID, &workflow.TenantID, &workflow.Name, &workflow.Trigger, &workflow.Conditions, &workflow.Actions)
+	if err != nil {
+		writeError(w, http.StatusNotFound, "workflow not found or not active")
+		return
+	}
+
+	// Kör workflow
+	execution, err := h.executeWorkflow(workflow, req.TriggerData)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "execution failed")
+		return
+	}
+
+	writeJSON(w, http.StatusOK, execution)
+}
+
+// ListExecutions listar workflow-körningar
+func (h *WorkflowHandler) ListExecutions(w http.ResponseWriter, r *http.Request) {
+	workflowID, err := uuid.Parse(chi.URLParam(r, "id"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid workflow id")
+		return
+	}
+
+	rows, err := h.db.Query(`
+		SELECT id, workflow_id, trigger_event, status, current_step, started_at, completed_at
+		FROM workflow_executions
+		WHERE workflow_id = $1
+		ORDER BY started_at DESC
+		LIMIT 50
+	`, workflowID)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "database error")
+		return
+	}
+	defer rows.Close()
+
+	var executions []WorkflowExecution
+	for rows.Next() {
+		var e WorkflowExecution
+		rows.Scan(&e.ID, &e.WorkflowID, &e.TriggerEvent, &e.Status, &e.CurrentStep, &e.StartedAt, &e.CompletedAt)
+		executions = append(executions, e)
+	}
+
+	writeJSON(w, http.StatusOK, map[string]interface{}{"executions": executions})
+}
+
+// executeWorkflow kör en workflow
+func (h *WorkflowHandler) executeWorkflow(workflow Workflow, triggerData map[string]interface{}) (*WorkflowExecution, error) {
+	// Skapa execution record
+	triggerDataJSON, _ := json.Marshal(triggerData)
+	
+	var execution WorkflowExecution
+	err := h.db.QueryRow(`
+		INSERT INTO workflow_executions (workflow_id, trigger_event, trigger_data, status, current_step, steps)
+		VALUES ($1, $2, $3, 'running', 0, '[]')
+		RETURNING id, workflow_id, trigger_event, status, current_step, started_at
+	`, workflow.ID, workflow.Trigger, triggerDataJSON).Scan(
+		&execution.ID, &execution.WorkflowID, &execution.TriggerEvent, &execution.Status, &execution.CurrentStep, &execution.StartedAt,
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	// Parsa actions
+	var actions []WorkflowAction
+	json.Unmarshal(workflow.Actions, &actions)
+
+	// Kör varje action
+	steps := make([]map[string]interface{}, 0, len(actions))
+	for i, action := range actions {
+		stepResult := map[string]interface{}{
+			"step":   i,
+			"action": action.Type,
+			"status": "completed",
+		}
+
+		// Utför action
+		result, err := h.executeAction(action, triggerData)
+		if err != nil {
+			stepResult["status"] = "failed"
+			stepResult["error"] = err.Error()
+			
+			// Uppdatera execution med fel
+			h.db.Exec(`
+				UPDATE workflow_executions 
+				SET status = 'failed', error = $1, steps = $2, completed_at = NOW()
+				WHERE id = $3
+			`, err.Error(), mustMarshal(steps), execution.ID)
+			
+			return &execution, err
+		}
+
+		stepResult["result"] = result
+		steps = append(steps, stepResult)
+
+		// Uppdatera current step
+		h.db.Exec("UPDATE workflow_executions SET current_step = $1 WHERE id = $2", i+1, execution.ID)
+	}
+
+	// Markera som completed
+	stepsJSON, _ := json.Marshal(steps)
+	h.db.Exec(`
+		UPDATE workflow_executions 
+		SET status = 'completed', steps = $1, result = $2, completed_at = NOW()
+		WHERE id = $3
+	`, stepsJSON, mustMarshal(triggerData), execution.ID)
+
+	// Uppdatera workflow execution count
+	h.db.Exec(`
+		UPDATE workflows 
+		SET execution_count = execution_count + 1, last_executed_at = NOW()
+		WHERE id = $1
+	`, workflow.ID)
+
+	execution.Status = "completed"
+	return &execution, nil
+}
+
+// executeAction utför en enskild action
+func (h *WorkflowHandler) executeAction(action WorkflowAction, context map[string]interface{}) (map[string]interface{}, error) {
+	switch action.Type {
+	case "create_contact":
+		return h.actionCreateContact(action.Config, context)
+	case "create_lead":
+		return h.actionCreateLead(action.Config, context)
+	case "update_lead":
+		return h.actionUpdateLead(action.Config, context)
+	case "add_tag":
+		return h.actionAddTag(action.Config, context)
+	case "assign_owner":
+		return h.actionAssignOwner(action.Config, context)
+	case "create_task":
+		return h.actionCreateTask(action.Config, context)
+	case "send_message":
+		return h.actionSendMessage(action.Config, context)
+	case "change_status":
+		return h.actionChangeStatus(action.Config, context)
+	case "escalate":
+		return h.actionEscalate(action.Config, context)
+	case "webhook":
+		return h.actionWebhook(action.Config, context)
+	case "wait":
+		// Wait är en no-op i synkron exekvering
+		return map[string]interface{}{"waited": true}, nil
+	default:
+		return nil, fmt.Errorf("unknown action type: %s", action.Type)
+	}
+}
+
+// Action implementations
+func (h *WorkflowHandler) actionCreateContact(config map[string]interface{}, context map[string]interface{}) (map[string]interface{}, error) {
+	// TODO: Implementera
+	return map[string]interface{}{"action": "create_contact", "status": "placeholder"}, nil
+}
+
+func (h *WorkflowHandler) actionCreateLead(config map[string]interface{}, context map[string]interface{}) (map[string]interface{}, error) {
+	// TODO: Implementera
+	return map[string]interface{}{"action": "create_lead", "status": "placeholder"}, nil
+}
+
+func (h *WorkflowHandler) actionUpdateLead(config map[string]interface{}, context map[string]interface{}) (map[string]interface{}, error) {
+	// TODO: Implementera
+	return map[string]interface{}{"action": "update_lead", "status": "placeholder"}, nil
+}
+
+func (h *WorkflowHandler) actionAddTag(config map[string]interface{}, context map[string]interface{}) (map[string]interface{}, error) {
+	// TODO: Implementera
+	return map[string]interface{}{"action": "add_tag", "status": "placeholder"}, nil
+}
+
+func (h *WorkflowHandler) actionAssignOwner(config map[string]interface{}, context map[string]interface{}) (map[string]interface{}, error) {
+	// TODO: Implementera
+	return map[string]interface{}{"action": "assign_owner", "status": "placeholder"}, nil
+}
+
+func (h *WorkflowHandler) actionCreateTask(config map[string]interface{}, context map[string]interface{}) (map[string]interface{}, error) {
+	// TODO: Implementera
+	return map[string]interface{}{"action": "create_task", "status": "placeholder"}, nil
+}
+
+func (h *WorkflowHandler) actionSendMessage(config map[string]interface{}, context map[string]interface{}) (map[string]interface{}, error) {
+	// TODO: Implementera
+	return map[string]interface{}{"action": "send_message", "status": "placeholder"}, nil
+}
+
+func (h *WorkflowHandler) actionChangeStatus(config map[string]interface{}, context map[string]interface{}) (map[string]interface{}, error) {
+	// TODO: Implementera
+	return map[string]interface{}{"action": "change_status", "status": "placeholder"}, nil
+}
+
+func (h *WorkflowHandler) actionEscalate(config map[string]interface{}, context map[string]interface{}) (map[string]interface{}, error) {
+	// TODO: Implementera
+	return map[string]interface{}{"action": "escalate", "status": "placeholder"}, nil
+}
+
+func (h *WorkflowHandler) actionWebhook(config map[string]interface{}, context map[string]interface{}) (map[string]interface{}, error) {
+	// TODO: Implementera
+	return map[string]interface{}{"action": "webhook", "status": "placeholder"}, nil
+}
+
+func mustMarshal(v interface{}) json.RawMessage {
+	b, _ := json.Marshal(v)
+	return b
+}
diff --git a/backend/main.go b/backend/main.go
index 1d51f71a6..b97fed979 100644
--- a/backend/main.go
+++ b/backend/main.go
@@ -26,6 +26,7 @@ import (
 	"boc/db"
 	"boc/employee"
 	"boc/handlers"
+	"boc/handlers/comm"
 	"boc/ledger"
 	"boc/middleware"
 	"boc/sms"
@@ -407,6 +408,42 @@ func main() {
 		r.Post("/api/v1/agents/chat", agentOrchestrator.HandleAgentChat)
 		r.Get("/api/v1/agents/{id}", agentOrchestrator.HandleAgentStatus)
 		r.Post("/api/v1/agents/{id}/execute", agentOrchestrator.HandleAgentChat)
+
+		// Communication & Lead Layer
+		contactH := comm.NewContactHandler(database)
+		conversationH := comm.NewConversationHandler(database)
+		leadH := comm.NewLeadHandler(database)
+		workflowH := comm.NewWorkflowHandler(database)
+
+		// Contacts
+		r.Post("/api/v1/comm/contacts", contactH.CreateContact)
+		r.Get("/api/v1/comm/contacts", contactH.ListContacts)
+		r.Get("/api/v1/comm/contacts/{id}", contactH.GetContact)
+		r.Post("/api/v1/comm/contacts/merge", contactH.MergeContacts)
+
+		// Conversations
+		r.Post("/api/v1/comm/conversations", conversationH.CreateConversation)
+		r.Get("/api/v1/comm/conversations", conversationH.ListConversations)
+		r.Get("/api/v1/comm/conversations/{id}", conversationH.GetConversation)
+		r.Post("/api/v1/comm/conversations/{id}/messages", conversationH.SendMessage)
+		r.Put("/api/v1/comm/conversations/{id}/status", conversationH.UpdateStatus)
+
+		// Leads
+		r.Post("/api/v1/comm/leads", leadH.CreateLead)
+		r.Get("/api/v1/comm/leads", leadH.ListLeads)
+		r.Get("/api/v1/comm/leads/{id}", leadH.GetLead)
+		r.Put("/api/v1/comm/leads/{id}", leadH.UpdateLead)
+		r.Put("/api/v1/comm/leads/{id}/qualification", leadH.UpdateQualification)
+		r.Get("/api/v1/comm/leads/{id}/score-history", leadH.GetLeadScoreHistory)
+
+		// Workflows
+		r.Post("/api/v1/comm/workflows", workflowH.CreateWorkflow)
+		r.Get("/api/v1/comm/workflows", workflowH.ListWorkflows)
+		r.Get("/api/v1/comm/workflows/{id}", workflowH.GetWorkflow)
+		r.Put("/api/v1/comm/workflows/{id}", workflowH.UpdateWorkflow)
+		r.Post("/api/v1/comm/workflows/{id}/toggle", workflowH.ToggleWorkflow)
+		r.Post("/api/v1/comm/workflows/{id}/execute", workflowH.ExecuteWorkflow)
+		r.Get("/api/v1/comm/workflows/{id}/executions", workflowH.ListExecutions)
 	})
 
 	// WebSocket (protected)