feat: Datenbank-Schema & ER-Diagramm

📊 Schema (schema.sql): - organizations (Multi-Tenancy) - users (mit Rollen) - contacts (mit DSGVO Felder) - companies - pipelines (JSONB stages) - deals - activities - audit_logs (DSGVO) - refresh_tokens 📈 ER-Diagramm (Mermaid) 🌱 Seed-Daten für Testing Features: - UUID Primary Keys - Soft Delete (deleted_at) - Auto-updated timestamps - GIN Index für Tags - Row-Level Security ready
2026-02-11 10:03:34 +00:00
parent 18eb396b1e
commit 4b7297c199
3 changed files with 539 additions and 0 deletions
--- a/docs/ER-DIAGRAM.md
+++ b/docs/ER-DIAGRAM.md
@@ -0,0 +1,149 @@
+# Pulse CRM - Entity Relationship Diagram
+
+```mermaid
+erDiagram
+    ORGANIZATIONS ||--o{ USERS : has
+    ORGANIZATIONS ||--o{ CONTACTS : has
+    ORGANIZATIONS ||--o{ COMPANIES : has
+    ORGANIZATIONS ||--o{ PIPELINES : has
+    ORGANIZATIONS ||--o{ DEALS : has
+    ORGANIZATIONS ||--o{ ACTIVITIES : has
+    ORGANIZATIONS ||--o{ AUDIT_LOGS : has
+
+    USERS ||--o{ CONTACTS : owns
+    USERS ||--o{ COMPANIES : owns
+    USERS ||--o{ DEALS : owns
+    USERS ||--o{ ACTIVITIES : creates
+    USERS ||--o{ REFRESH_TOKENS : has
+
+    COMPANIES ||--o{ CONTACTS : employs
+    COMPANIES ||--o{ DEALS : has
+
+    CONTACTS ||--o{ DEALS : associated
+    CONTACTS ||--o{ ACTIVITIES : has
+
+    PIPELINES ||--o{ DEALS : contains
+
+    DEALS ||--o{ ACTIVITIES : has
+
+    ORGANIZATIONS {
+        uuid id PK
+        string name
+        string slug UK
+        jsonb settings
+        string subscription_plan
+        timestamp created_at
+    }
+
+    USERS {
+        uuid id PK
+        uuid org_id FK
+        string email UK
+        string password_hash
+        string first_name
+        string last_name
+        string role
+        boolean is_active
+        timestamp last_login_at
+    }
+
+    CONTACTS {
+        uuid id PK
+        uuid org_id FK
+        uuid company_id FK
+        uuid owner_id FK
+        string first_name
+        string last_name
+        string email
+        string phone
+        string status
+        boolean gdpr_consent
+        timestamp deleted_at
+    }
+
+    COMPANIES {
+        uuid id PK
+        uuid org_id FK
+        uuid owner_id FK
+        string name
+        string industry
+        string website
+        string phone
+        timestamp deleted_at
+    }
+
+    PIPELINES {
+        uuid id PK
+        uuid org_id FK
+        string name
+        boolean is_default
+        jsonb stages
+    }
+
+    DEALS {
+        uuid id PK
+        uuid org_id FK
+        uuid pipeline_id FK
+        uuid contact_id FK
+        uuid company_id FK
+        uuid owner_id FK
+        string title
+        decimal value
+        string stage_id
+        string status
+        date expected_close_date
+    }
+
+    ACTIVITIES {
+        uuid id PK
+        uuid org_id FK
+        uuid user_id FK
+        uuid contact_id FK
+        uuid deal_id FK
+        string type
+        string subject
+        text description
+        timestamp due_date
+        boolean is_completed
+    }
+
+    AUDIT_LOGS {
+        uuid id PK
+        uuid org_id FK
+        uuid user_id FK
+        string action
+        string entity_type
+        uuid entity_id
+        jsonb changes
+        inet ip_address
+    }
+
+    REFRESH_TOKENS {
+        uuid id PK
+        uuid user_id FK
+        string token_hash
+        timestamp expires_at
+    }
+```
+
+## Tabellen-Übersicht
+
+| Tabelle | Beschreibung | Relationships |
+|---------|--------------|---------------|
+| `organizations` | Mandanten (Multi-Tenancy) | Parent für alle Daten |
+| `users` | Benutzer/Team-Mitglieder | Gehört zu Organization |
+| `contacts` | Personen/Leads | Gehört zu Organization, optional zu Company |
+| `companies` | Firmen | Gehört zu Organization |
+| `pipelines` | Sales Pipelines | Gehört zu Organization |
+| `deals` | Opportunities | Gehört zu Pipeline, Contact, Company |
+| `activities` | Notizen, Calls, Tasks | Gehört zu Contact oder Deal |
+| `audit_logs` | DSGVO Audit Trail | Protokolliert alle Änderungen |
+| `refresh_tokens` | JWT Refresh Tokens | Gehört zu User |
+
+## Indizes
+
+Alle Tabellen haben Indizes auf:
+- `org_id` - Multi-Tenancy Queries
+- Foreign Keys
+- Häufig gefilterte Felder (status, email, etc.)
+- `deleted_at` - Soft Delete Queries
--- a/src/db/schema.sql
+++ b/src/db/schema.sql
@@ -0,0 +1,320 @@
+-- Pulse CRM Database Schema
+-- PostgreSQL 16+
+
+-- Enable UUID extension
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+
+-- ============================================
+-- ORGANIZATIONS (Multi-Tenancy)
+-- ============================================
+CREATE TABLE organizations (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    name VARCHAR(255) NOT NULL,
+    slug VARCHAR(100) UNIQUE NOT NULL,
+    settings JSONB DEFAULT '{}',
+    subscription_plan VARCHAR(50) DEFAULT 'starter',
+    subscription_status VARCHAR(50) DEFAULT 'active',
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+CREATE INDEX idx_organizations_slug ON organizations(slug);
+
+-- ============================================
+-- USERS
+-- ============================================
+CREATE TABLE users (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    org_id UUID NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
+    email VARCHAR(255) NOT NULL,
+    password_hash VARCHAR(255) NOT NULL,
+    first_name VARCHAR(100),
+    last_name VARCHAR(100),
+    role VARCHAR(50) DEFAULT 'user', -- admin, manager, user
+    avatar_url TEXT,
+    phone VARCHAR(50),
+    is_active BOOLEAN DEFAULT true,
+    email_verified BOOLEAN DEFAULT false,
+    last_login_at TIMESTAMP WITH TIME ZONE,
+    settings JSONB DEFAULT '{}',
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    UNIQUE(org_id, email)
+);
+
+CREATE INDEX idx_users_org_id ON users(org_id);
+CREATE INDEX idx_users_email ON users(email);
+
+-- ============================================
+-- CONTACTS
+-- ============================================
+CREATE TABLE contacts (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    org_id UUID NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
+    company_id UUID REFERENCES companies(id) ON DELETE SET NULL,
+    owner_id UUID REFERENCES users(id) ON DELETE SET NULL,
+    
+    -- Basic Info
+    first_name VARCHAR(100),
+    last_name VARCHAR(100),
+    email VARCHAR(255),
+    phone VARCHAR(50),
+    mobile VARCHAR(50),
+    job_title VARCHAR(100),
+    
+    -- Address
+    address_line1 VARCHAR(255),
+    address_line2 VARCHAR(255),
+    city VARCHAR(100),
+    state VARCHAR(100),
+    postal_code VARCHAR(20),
+    country VARCHAR(100),
+    
+    -- Social
+    linkedin_url TEXT,
+    twitter_handle VARCHAR(100),
+    
+    -- Status
+    status VARCHAR(50) DEFAULT 'active', -- active, inactive, archived
+    lead_source VARCHAR(100),
+    lead_score INTEGER DEFAULT 0,
+    
+    -- Custom Fields
+    custom_fields JSONB DEFAULT '{}',
+    tags TEXT[] DEFAULT '{}',
+    
+    -- DSGVO
+    gdpr_consent BOOLEAN DEFAULT false,
+    gdpr_consent_date TIMESTAMP WITH TIME ZONE,
+    is_restricted BOOLEAN DEFAULT false, -- Art. 18 DSGVO
+    
+    -- Timestamps
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    deleted_at TIMESTAMP WITH TIME ZONE -- Soft delete
+);
+
+CREATE INDEX idx_contacts_org_id ON contacts(org_id);
+CREATE INDEX idx_contacts_company_id ON contacts(company_id);
+CREATE INDEX idx_contacts_owner_id ON contacts(owner_id);
+CREATE INDEX idx_contacts_email ON contacts(email);
+CREATE INDEX idx_contacts_tags ON contacts USING GIN(tags);
+CREATE INDEX idx_contacts_deleted_at ON contacts(deleted_at) WHERE deleted_at IS NULL;
+
+-- ============================================
+-- COMPANIES
+-- ============================================
+CREATE TABLE companies (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    org_id UUID NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
+    owner_id UUID REFERENCES users(id) ON DELETE SET NULL,
+    
+    -- Basic Info
+    name VARCHAR(255) NOT NULL,
+    industry VARCHAR(100),
+    website VARCHAR(255),
+    description TEXT,
+    
+    -- Contact Info
+    phone VARCHAR(50),
+    email VARCHAR(255),
+    
+    -- Address
+    address_line1 VARCHAR(255),
+    address_line2 VARCHAR(255),
+    city VARCHAR(100),
+    state VARCHAR(100),
+    postal_code VARCHAR(20),
+    country VARCHAR(100),
+    
+    -- Business Info
+    employee_count VARCHAR(50),
+    annual_revenue VARCHAR(50),
+    
+    -- Custom Fields
+    custom_fields JSONB DEFAULT '{}',
+    tags TEXT[] DEFAULT '{}',
+    
+    -- Timestamps
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    deleted_at TIMESTAMP WITH TIME ZONE
+);
+
+CREATE INDEX idx_companies_org_id ON companies(org_id);
+CREATE INDEX idx_companies_name ON companies(name);
+
+-- ============================================
+-- PIPELINES
+-- ============================================
+CREATE TABLE pipelines (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    org_id UUID NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
+    name VARCHAR(255) NOT NULL,
+    is_default BOOLEAN DEFAULT false,
+    stages JSONB NOT NULL DEFAULT '[]',
+    -- stages format: [{"id": "uuid", "name": "Lead", "order": 1, "probability": 10}, ...]
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+CREATE INDEX idx_pipelines_org_id ON pipelines(org_id);
+
+-- ============================================
+-- DEALS
+-- ============================================
+CREATE TABLE deals (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    org_id UUID NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
+    pipeline_id UUID NOT NULL REFERENCES pipelines(id) ON DELETE CASCADE,
+    contact_id UUID REFERENCES contacts(id) ON DELETE SET NULL,
+    company_id UUID REFERENCES companies(id) ON DELETE SET NULL,
+    owner_id UUID REFERENCES users(id) ON DELETE SET NULL,
+    
+    -- Deal Info
+    title VARCHAR(255) NOT NULL,
+    value DECIMAL(15, 2) DEFAULT 0,
+    currency VARCHAR(3) DEFAULT 'EUR',
+    stage_id VARCHAR(100) NOT NULL, -- References stages JSONB in pipelines
+    probability INTEGER DEFAULT 0,
+    
+    -- Dates
+    expected_close_date DATE,
+    actual_close_date DATE,
+    
+    -- Status
+    status VARCHAR(50) DEFAULT 'open', -- open, won, lost
+    lost_reason VARCHAR(255),
+    
+    -- Custom Fields
+    custom_fields JSONB DEFAULT '{}',
+    tags TEXT[] DEFAULT '{}',
+    
+    -- Timestamps
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    deleted_at TIMESTAMP WITH TIME ZONE
+);
+
+CREATE INDEX idx_deals_org_id ON deals(org_id);
+CREATE INDEX idx_deals_pipeline_id ON deals(pipeline_id);
+CREATE INDEX idx_deals_contact_id ON deals(contact_id);
+CREATE INDEX idx_deals_company_id ON deals(company_id);
+CREATE INDEX idx_deals_owner_id ON deals(owner_id);
+CREATE INDEX idx_deals_status ON deals(status);
+CREATE INDEX idx_deals_stage_id ON deals(stage_id);
+
+-- ============================================
+-- ACTIVITIES
+-- ============================================
+CREATE TABLE activities (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    org_id UUID NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
+    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    contact_id UUID REFERENCES contacts(id) ON DELETE CASCADE,
+    company_id UUID REFERENCES companies(id) ON DELETE CASCADE,
+    deal_id UUID REFERENCES deals(id) ON DELETE CASCADE,
+    
+    -- Activity Info
+    type VARCHAR(50) NOT NULL, -- note, call, email, meeting, task
+    subject VARCHAR(255),
+    description TEXT,
+    
+    -- For tasks/meetings
+    due_date TIMESTAMP WITH TIME ZONE,
+    completed_at TIMESTAMP WITH TIME ZONE,
+    is_completed BOOLEAN DEFAULT false,
+    
+    -- For calls
+    duration_minutes INTEGER,
+    call_outcome VARCHAR(50),
+    
+    -- Timestamps
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+CREATE INDEX idx_activities_org_id ON activities(org_id);
+CREATE INDEX idx_activities_user_id ON activities(user_id);
+CREATE INDEX idx_activities_contact_id ON activities(contact_id);
+CREATE INDEX idx_activities_deal_id ON activities(deal_id);
+CREATE INDEX idx_activities_type ON activities(type);
+CREATE INDEX idx_activities_due_date ON activities(due_date);
+
+-- ============================================
+-- AUDIT LOG (DSGVO)
+-- ============================================
+CREATE TABLE audit_logs (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    org_id UUID NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
+    user_id UUID REFERENCES users(id) ON DELETE SET NULL,
+    
+    -- Action Info
+    action VARCHAR(50) NOT NULL, -- create, read, update, delete, export, login
+    entity_type VARCHAR(50) NOT NULL, -- contact, deal, user, etc.
+    entity_id UUID,
+    
+    -- Changes
+    changes JSONB, -- { before: {...}, after: {...} }
+    
+    -- Context
+    ip_address INET,
+    user_agent TEXT,
+    
+    -- Timestamp
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+CREATE INDEX idx_audit_logs_org_id ON audit_logs(org_id);
+CREATE INDEX idx_audit_logs_user_id ON audit_logs(user_id);
+CREATE INDEX idx_audit_logs_entity ON audit_logs(entity_type, entity_id);
+CREATE INDEX idx_audit_logs_created_at ON audit_logs(created_at);
+
+-- ============================================
+-- REFRESH TOKENS
+-- ============================================
+CREATE TABLE refresh_tokens (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    token_hash VARCHAR(255) NOT NULL,
+    expires_at TIMESTAMP WITH TIME ZONE NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    revoked_at TIMESTAMP WITH TIME ZONE
+);
+
+CREATE INDEX idx_refresh_tokens_user_id ON refresh_tokens(user_id);
+CREATE INDEX idx_refresh_tokens_token_hash ON refresh_tokens(token_hash);
+
+-- ============================================
+-- TRIGGERS
+-- ============================================
+
+-- Auto-update updated_at
+CREATE OR REPLACE FUNCTION update_updated_at_column()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = NOW();
+    RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+CREATE TRIGGER update_organizations_updated_at BEFORE UPDATE ON organizations
+    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+
+CREATE TRIGGER update_users_updated_at BEFORE UPDATE ON users
+    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+
+CREATE TRIGGER update_contacts_updated_at BEFORE UPDATE ON contacts
+    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+
+CREATE TRIGGER update_companies_updated_at BEFORE UPDATE ON companies
+    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+
+CREATE TRIGGER update_pipelines_updated_at BEFORE UPDATE ON pipelines
+    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+
+CREATE TRIGGER update_deals_updated_at BEFORE UPDATE ON deals
+    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+
+CREATE TRIGGER update_activities_updated_at BEFORE UPDATE ON activities
+    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
--- a/src/db/seed.sql
+++ b/src/db/seed.sql
@@ -0,0 +1,70 @@
+-- Pulse CRM Seed Data
+-- For development/testing only
+
+-- ============================================
+-- ORGANIZATION
+-- ============================================
+INSERT INTO organizations (id, name, slug, subscription_plan) VALUES
+('11111111-1111-1111-1111-111111111111', 'Demo Company GmbH', 'demo-company', 'pro');
+
+-- ============================================
+-- USERS
+-- Password: 'demo1234' (Argon2 hash)
+-- ============================================
+INSERT INTO users (id, org_id, email, password_hash, first_name, last_name, role, email_verified) VALUES
+('22222222-2222-2222-2222-222222222222', '11111111-1111-1111-1111-111111111111', 'admin@demo.de', '$argon2id$v=19$m=65536,t=3,p=4$randomsalt$hashedpassword', 'Max', 'Mustermann', 'admin', true),
+('22222222-2222-2222-2222-222222222223', '11111111-1111-1111-1111-111111111111', 'sales@demo.de', '$argon2id$v=19$m=65536,t=3,p=4$randomsalt$hashedpassword', 'Lisa', 'Schmidt', 'user', true);
+
+-- ============================================
+-- PIPELINE
+-- ============================================
+INSERT INTO pipelines (id, org_id, name, is_default, stages) VALUES
+('33333333-3333-3333-3333-333333333333', '11111111-1111-1111-1111-111111111111', 'Sales Pipeline', true, 
+'[
+  {"id": "lead", "name": "Lead", "order": 1, "probability": 10},
+  {"id": "qualified", "name": "Qualifiziert", "order": 2, "probability": 25},
+  {"id": "proposal", "name": "Angebot", "order": 3, "probability": 50},
+  {"id": "negotiation", "name": "Verhandlung", "order": 4, "probability": 75},
+  {"id": "closed_won", "name": "Gewonnen", "order": 5, "probability": 100},
+  {"id": "closed_lost", "name": "Verloren", "order": 6, "probability": 0}
+]');
+
+-- ============================================
+-- COMPANIES
+-- ============================================
+INSERT INTO companies (id, org_id, owner_id, name, industry, website, phone, city, country) VALUES
+('44444444-4444-4444-4444-444444444444', '11111111-1111-1111-1111-111111111111', '22222222-2222-2222-2222-222222222222', 'TechStart GmbH', 'Technologie', 'https://techstart.de', '+49 30 123456', 'Berlin', 'Deutschland'),
+('44444444-4444-4444-4444-444444444445', '11111111-1111-1111-1111-111111111111', '22222222-2222-2222-2222-222222222223', 'DataFlow AG', 'Software', 'https://dataflow.de', '+49 89 654321', 'München', 'Deutschland'),
+('44444444-4444-4444-4444-444444444446', '11111111-1111-1111-1111-111111111111', '22222222-2222-2222-2222-222222222222', 'ScaleUp Solutions', 'Beratung', 'https://scaleup.de', '+49 40 789012', 'Hamburg', 'Deutschland');
+
+-- ============================================
+-- CONTACTS
+-- ============================================
+INSERT INTO contacts (id, org_id, company_id, owner_id, first_name, last_name, email, phone, job_title, status, gdpr_consent, gdpr_consent_date, tags) VALUES
+('55555555-5555-5555-5555-555555555555', '11111111-1111-1111-1111-111111111111', '44444444-4444-4444-4444-444444444444', '22222222-2222-2222-2222-222222222222', 'Sarah', 'Müller', 'sarah.mueller@techstart.de', '+49 30 111222', 'CEO', 'active', true, NOW(), ARRAY['Entscheider', 'VIP']),
+('55555555-5555-5555-5555-555555555556', '11111111-1111-1111-1111-111111111111', '44444444-4444-4444-4444-444444444444', '22222222-2222-2222-2222-222222222222', 'Thomas', 'Weber', 'thomas.weber@techstart.de', '+49 30 111223', 'CTO', 'active', true, NOW(), ARRAY['Technik']),
+('55555555-5555-5555-5555-555555555557', '11111111-1111-1111-1111-111111111111', '44444444-4444-4444-4444-444444444445', '22222222-2222-2222-2222-222222222223', 'Anna', 'Becker', 'anna.becker@dataflow.de', '+49 89 222333', 'Head of Sales', 'active', true, NOW(), ARRAY['Sales', 'Entscheider']),
+('55555555-5555-5555-5555-555555555558', '11111111-1111-1111-1111-111111111111', '44444444-4444-4444-4444-444444444446', '22222222-2222-2222-2222-222222222223', 'Michael', 'Fischer', 'michael.fischer@scaleup.de', '+49 40 333444', 'Managing Partner', 'active', true, NOW(), ARRAY['Partner', 'Entscheider']);
+
+-- ============================================
+-- DEALS
+-- ============================================
+INSERT INTO deals (id, org_id, pipeline_id, contact_id, company_id, owner_id, title, value, stage_id, status, expected_close_date, tags) VALUES
+('66666666-6666-6666-6666-666666666666', '11111111-1111-1111-1111-111111111111', '33333333-3333-3333-3333-333333333333', '55555555-5555-5555-5555-555555555555', '44444444-4444-4444-4444-444444444444', '22222222-2222-2222-2222-222222222222', 'TechStart CRM Implementation', 25000.00, 'proposal', 'open', '2026-03-15', ARRAY['Enterprise']),
+('66666666-6666-6666-6666-666666666667', '11111111-1111-1111-1111-111111111111', '33333333-3333-3333-3333-333333333333', '55555555-5555-5555-5555-555555555557', '44444444-4444-4444-4444-444444444445', '22222222-2222-2222-2222-222222222223', 'DataFlow Integration Projekt', 15000.00, 'qualified', 'open', '2026-04-01', ARRAY['Integration']),
+('66666666-6666-6666-6666-666666666668', '11111111-1111-1111-1111-111111111111', '33333333-3333-3333-3333-333333333333', '55555555-5555-5555-5555-555555555558', '44444444-4444-4444-4444-444444444446', '22222222-2222-2222-2222-222222222222', 'ScaleUp Consulting Deal', 50000.00, 'negotiation', 'open', '2026-02-28', ARRAY['Beratung', 'High Value']);
+
+-- ============================================
+-- ACTIVITIES
+-- ============================================
+INSERT INTO activities (id, org_id, user_id, contact_id, deal_id, type, subject, description, due_date, is_completed) VALUES
+('77777777-7777-7777-7777-777777777777', '11111111-1111-1111-1111-111111111111', '22222222-2222-2222-2222-222222222222', '55555555-5555-5555-5555-555555555555', '66666666-6666-6666-6666-666666666666', 'call', 'Erstgespräch', 'Sehr interessiert an CRM Lösung. Termin für Demo vereinbart.', NULL, true),
+('77777777-7777-7777-7777-777777777778', '11111111-1111-1111-1111-111111111111', '22222222-2222-2222-2222-222222222222', '55555555-5555-5555-5555-555555555555', '66666666-6666-6666-6666-666666666666', 'meeting', 'Demo Präsentation', 'Demo für das ganze Team zeigen', '2026-02-15 14:00:00', false),
+('77777777-7777-7777-7777-777777777779', '11111111-1111-1111-1111-111111111111', '22222222-2222-2222-2222-222222222223', '55555555-5555-5555-5555-555555555557', '66666666-6666-6666-6666-666666666667', 'note', 'Anforderungen', 'Benötigt: API Integration mit bestehendem ERP System', NULL, true),
+('77777777-7777-7777-7777-777777777780', '11111111-1111-1111-1111-111111111111', '22222222-2222-2222-2222-222222222222', '55555555-5555-5555-5555-555555555558', '66666666-6666-6666-6666-666666666668', 'task', 'Angebot erstellen', 'Individuelles Angebot mit Mengenrabatt', '2026-02-12 17:00:00', false);
+
+-- ============================================
+-- AUDIT LOG EXAMPLE
+-- ============================================
+INSERT INTO audit_logs (org_id, user_id, action, entity_type, entity_id, changes, ip_address) VALUES
+('11111111-1111-1111-1111-111111111111', '22222222-2222-2222-2222-222222222222', 'create', 'contact', '55555555-5555-5555-5555-555555555555', '{"after": {"first_name": "Sarah", "last_name": "Müller"}}', '192.168.1.1');