Add full monorepo: virtual-banker, backend, frontend, docs, scripts, deployment

Co-authored-by: Cursor <cursoragent@cursor.com>

database/migrations/001_sessions.up.sql

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+-- Create sessions table
+CREATE TABLE IF NOT EXISTS sessions (
+    id VARCHAR(255) PRIMARY KEY,
+    tenant_id VARCHAR(255) NOT NULL,
+    user_id VARCHAR(255) NOT NULL,
+    ephemeral_token VARCHAR(512) NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    expires_at TIMESTAMP NOT NULL,
+    last_activity_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    ended_at TIMESTAMP,
+    INDEX idx_tenant_user (tenant_id, user_id),
+    INDEX idx_expires_at (expires_at),
+    INDEX idx_ended_at (ended_at)
+);
+
+-- Create tenants table
+CREATE TABLE IF NOT EXISTS tenants (
+    id VARCHAR(255) PRIMARY KEY,
+    name VARCHAR(255) NOT NULL,
+    theme JSONB,
+    avatar_enabled BOOLEAN DEFAULT true,
+    greeting TEXT,
+    allowed_tools JSONB DEFAULT '[]'::jsonb,
+    policy JSONB,
+    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMP NOT NULL DEFAULT NOW()
+);
+
+-- Create conversations table
+CREATE TABLE IF NOT EXISTS conversations (
+    id VARCHAR(255) PRIMARY KEY,
+    session_id VARCHAR(255) NOT NULL REFERENCES sessions(id) ON DELETE CASCADE,
+    user_id VARCHAR(255) NOT NULL,
+    tenant_id VARCHAR(255) NOT NULL,
+    started_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    ended_at TIMESTAMP,
+    metadata JSONB,
+    INDEX idx_session (session_id),
+    INDEX idx_user (user_id),
+    INDEX idx_tenant (tenant_id)
+);
+
+-- Create conversation_messages table
+CREATE TABLE IF NOT EXISTS conversation_messages (
+    id VARCHAR(255) PRIMARY KEY,
+    conversation_id VARCHAR(255) NOT NULL REFERENCES conversations(id) ON DELETE CASCADE,
+    role VARCHAR(50) NOT NULL, -- 'user' or 'assistant'
+    content TEXT NOT NULL,
+    audio_url TEXT,
+    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    metadata JSONB,
+    INDEX idx_conversation (conversation_id),
+    INDEX idx_created_at (created_at)
+);
+

database/migrations/002_conversations.up.sql

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+-- Additional indexes for conversations
+CREATE INDEX IF NOT EXISTS idx_conversations_started_at ON conversations(started_at);
+CREATE INDEX IF NOT EXISTS idx_conversations_ended_at ON conversations(ended_at);
+
+-- Create conversation_state table for workflow state
+CREATE TABLE IF NOT EXISTS conversation_state (
+    session_id VARCHAR(255) PRIMARY KEY REFERENCES sessions(id) ON DELETE CASCADE,
+    workflow VARCHAR(255),
+    step VARCHAR(255),
+    context JSONB DEFAULT '{}'::jsonb,
+    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    expires_at TIMESTAMP
+);
+

database/migrations/003_tenants.up.sql

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+-- Add default tenant if not exists
+INSERT INTO tenants (id, name, theme, avatar_enabled, greeting, allowed_tools, policy)
+VALUES (
+    'default',
+    'Default Tenant',
+    '{"primaryColor": "#0066cc", "secondaryColor": "#004499"}'::jsonb,
+    true,
+    'Hello! How can I help you today?',
+    '[]'::jsonb,
+    '{"max_session_duration_minutes": 30, "rate_limit_per_minute": 10, "require_consent": true}'::jsonb
+) ON CONFLICT (id) DO NOTHING;
+

database/migrations/004_vector_extension.up.sql

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+-- Enable pgvector extension for RAG functionality
+CREATE EXTENSION IF NOT EXISTS vector;
+
+-- Create knowledge_base table for RAG
+CREATE TABLE IF NOT EXISTS knowledge_base (
+    id VARCHAR(255) PRIMARY KEY,
+    tenant_id VARCHAR(255) NOT NULL,
+    title VARCHAR(500),
+    content TEXT NOT NULL,
+    embedding vector(1536), -- OpenAI ada-002 dimension, adjust as needed
+    metadata JSONB,
+    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    INDEX idx_tenant (tenant_id)
+);
+
+-- Create index for vector similarity search
+CREATE INDEX IF NOT EXISTS idx_knowledge_embedding ON knowledge_base 
+USING ivfflat (embedding vector_cosine_ops)
+WITH (lists = 100);
+

database/migrations/005_user_profiles.up.sql

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+-- Create user_profiles table for memory service
+CREATE TABLE IF NOT EXISTS user_profiles (
+    user_id VARCHAR(255) NOT NULL,
+    tenant_id VARCHAR(255) NOT NULL,
+    preferences JSONB DEFAULT '{}'::jsonb,
+    context JSONB DEFAULT '{}'::jsonb,
+    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    PRIMARY KEY (user_id, tenant_id),
+    INDEX idx_tenant (tenant_id)
+);
+
+-- Create conversation_history table
+CREATE TABLE IF NOT EXISTS conversation_history (
+    id VARCHAR(255) PRIMARY KEY,
+    user_id VARCHAR(255) NOT NULL,
+    tenant_id VARCHAR(255) NOT NULL,
+    session_id VARCHAR(255) NOT NULL,
+    messages JSONB NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    INDEX idx_user_tenant (user_id, tenant_id),
+    INDEX idx_session (session_id),
+    INDEX idx_created_at (created_at)
+);
+

database/schema.sql

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+-- Virtual Banker Database Schema
+-- This file contains the complete schema for reference
+
+-- Sessions
+CREATE TABLE IF NOT EXISTS sessions (
+    id VARCHAR(255) PRIMARY KEY,
+    tenant_id VARCHAR(255) NOT NULL,
+    user_id VARCHAR(255) NOT NULL,
+    ephemeral_token VARCHAR(512) NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    expires_at TIMESTAMP NOT NULL,
+    last_activity_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    ended_at TIMESTAMP,
+    INDEX idx_tenant_user (tenant_id, user_id),
+    INDEX idx_expires_at (expires_at),
+    INDEX idx_ended_at (ended_at)
+);
+
+-- Tenants
+CREATE TABLE IF NOT EXISTS tenants (
+    id VARCHAR(255) PRIMARY KEY,
+    name VARCHAR(255) NOT NULL,
+    theme JSONB,
+    avatar_enabled BOOLEAN DEFAULT true,
+    greeting TEXT,
+    allowed_tools JSONB DEFAULT '[]'::jsonb,
+    policy JSONB,
+    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMP NOT NULL DEFAULT NOW()
+);
+
+-- Conversations
+CREATE TABLE IF NOT EXISTS conversations (
+    id VARCHAR(255) PRIMARY KEY,
+    session_id VARCHAR(255) NOT NULL REFERENCES sessions(id) ON DELETE CASCADE,
+    user_id VARCHAR(255) NOT NULL,
+    tenant_id VARCHAR(255) NOT NULL,
+    started_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    ended_at TIMESTAMP,
+    metadata JSONB,
+    INDEX idx_session (session_id),
+    INDEX idx_user (user_id),
+    INDEX idx_tenant (tenant_id)
+);
+
+-- Conversation Messages
+CREATE TABLE IF NOT EXISTS conversation_messages (
+    id VARCHAR(255) PRIMARY KEY,
+    conversation_id VARCHAR(255) NOT NULL REFERENCES conversations(id) ON DELETE CASCADE,
+    role VARCHAR(50) NOT NULL,
+    content TEXT NOT NULL,
+    audio_url TEXT,
+    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    metadata JSONB,
+    INDEX idx_conversation (conversation_id),
+    INDEX idx_created_at (created_at)
+);
+
+-- Conversation State
+CREATE TABLE IF NOT EXISTS conversation_state (
+    session_id VARCHAR(255) PRIMARY KEY REFERENCES sessions(id) ON DELETE CASCADE,
+    workflow VARCHAR(255),
+    step VARCHAR(255),
+    context JSONB DEFAULT '{}'::jsonb,
+    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    expires_at TIMESTAMP
+);
+
+-- Knowledge Base (requires pgvector extension)
+CREATE TABLE IF NOT EXISTS knowledge_base (
+    id VARCHAR(255) PRIMARY KEY,
+    tenant_id VARCHAR(255) NOT NULL,
+    title VARCHAR(500),
+    content TEXT NOT NULL,
+    embedding vector(1536),
+    metadata JSONB,
+    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    INDEX idx_tenant (tenant_id)
+);
+