Feature: Agregar botón para crear webhook de debug automáticamente

- Agregar botón "Crear Webhook de Debug" en WebhookReceiverSection
- Detectar si ya existe un webhook apuntando al receptor de debug
- Permitir eliminar el webhook de debug
- Incluir todos los eventos disponibles al crear el webhook
- También incluye mejoras previas de manejo de media y mensajes

server/database/migrations/002_messages_enhanced.sql

@@ -0,0 +1,85 @@
+-- =====================================================
+-- Migration 002: Enhanced Messages Support
+-- =====================================================
+-- Adds fields for:
+-- - Group participant tracking (participant_jid, push_name)
+-- - Media caching (media_cached, media_local_path, media_size_bytes)
+-- - Message reactions
+-- - Presence caching
+-- =====================================================
+
+-- Add participant tracking fields to messages
+ALTER TABLE messages ADD COLUMN IF NOT EXISTS participant_jid VARCHAR(100);
+ALTER TABLE messages ADD COLUMN IF NOT EXISTS push_name VARCHAR(255);
+
+-- Add media caching fields
+ALTER TABLE messages ADD COLUMN IF NOT EXISTS media_cached BOOLEAN DEFAULT FALSE;
+ALTER TABLE messages ADD COLUMN IF NOT EXISTS media_local_path TEXT;
+ALTER TABLE messages ADD COLUMN IF NOT EXISTS media_size_bytes BIGINT;
+
+-- Create table for message reactions
+CREATE TABLE IF NOT EXISTS message_reactions (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    message_id UUID NOT NULL REFERENCES messages(id) ON DELETE CASCADE,
+    instance_id UUID NOT NULL REFERENCES instances(id) ON DELETE CASCADE,
+    reactor_jid VARCHAR(100) NOT NULL,
+    reactor_name VARCHAR(255),
+    emoji VARCHAR(20) NOT NULL,
+    timestamp TIMESTAMPTZ DEFAULT NOW(),
+
+    CONSTRAINT unique_reaction UNIQUE (message_id, reactor_jid)
+);
+
+CREATE INDEX IF NOT EXISTS idx_reactions_message ON message_reactions(message_id);
+CREATE INDEX IF NOT EXISTS idx_reactions_instance ON message_reactions(instance_id);
+
+-- Create table for presence caching (optional, for "last seen" persistence)
+CREATE TABLE IF NOT EXISTS presence_cache (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    instance_id UUID NOT NULL REFERENCES instances(id) ON DELETE CASCADE,
+    jid VARCHAR(100) NOT NULL,
+    presence VARCHAR(20) CHECK (presence IN ('available', 'unavailable', 'composing', 'recording', 'paused')),
+    last_seen TIMESTAMPTZ,
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+
+    CONSTRAINT unique_presence UNIQUE (instance_id, jid)
+);
+
+CREATE INDEX IF NOT EXISTS idx_presence_instance ON presence_cache(instance_id);
+
+-- Create table for group metadata caching
+CREATE TABLE IF NOT EXISTS group_metadata (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    instance_id UUID NOT NULL REFERENCES instances(id) ON DELETE CASCADE,
+    jid VARCHAR(100) NOT NULL,
+    subject VARCHAR(255),
+    description TEXT,
+    owner_jid VARCHAR(100),
+    participants JSONB DEFAULT '[]',
+    announce_only BOOLEAN DEFAULT FALSE,
+    restrict_edit BOOLEAN DEFAULT FALSE,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+
+    CONSTRAINT unique_group UNIQUE (instance_id, jid)
+);
+
+CREATE INDEX IF NOT EXISTS idx_group_metadata_instance ON group_metadata(instance_id);
+
+-- Add trigger for presence_cache updated_at
+CREATE TRIGGER update_presence_cache_updated_at
+    BEFORE UPDATE ON presence_cache
+    FOR EACH ROW
+    EXECUTE FUNCTION update_updated_at_column();
+
+-- Add trigger for group_metadata updated_at
+CREATE TRIGGER update_group_metadata_updated_at
+    BEFORE UPDATE ON group_metadata
+    FOR EACH ROW
+    EXECUTE FUNCTION update_updated_at_column();
+
+-- Add index for media caching lookups
+CREATE INDEX IF NOT EXISTS idx_messages_media_cached ON messages(media_cached) WHERE media_cached = TRUE;
+
+-- Add last_message_type to chats for preview icons
+ALTER TABLE chats ADD COLUMN IF NOT EXISTS last_message_type VARCHAR(50);