chore: import upstream snapshot with attribution

database/migrations/001_create_claude_code_versions.sql

@@ -0,0 +1,89 @@
+-- Schema para tracking de versiones de Claude Code en Neon Database
+
+-- Tabla principal: versiones de Claude Code
+CREATE TABLE IF NOT EXISTS claude_code_versions (
+  id SERIAL PRIMARY KEY,
+  version VARCHAR(50) NOT NULL UNIQUE,
+  published_at TIMESTAMP WITH TIME ZONE NOT NULL,
+  changelog_content TEXT,
+  npm_url VARCHAR(500),
+  github_url VARCHAR(500),
+  discord_notified BOOLEAN DEFAULT FALSE,
+  discord_notification_sent_at TIMESTAMP WITH TIME ZONE,
+  created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+  updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Tabla: cambios individuales parseados del changelog
+CREATE TABLE IF NOT EXISTS claude_code_changes (
+  id SERIAL PRIMARY KEY,
+  version_id INTEGER REFERENCES claude_code_versions(id) ON DELETE CASCADE,
+  change_type VARCHAR(50), -- 'feature', 'fix', 'improvement', 'breaking', 'deprecation'
+  description TEXT NOT NULL,
+  category VARCHAR(100), -- 'Plugin System', 'Performance', 'CLI', etc.
+  created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Tabla: logs de notificaciones Discord
+CREATE TABLE IF NOT EXISTS discord_notifications_log (
+  id SERIAL PRIMARY KEY,
+  version_id INTEGER REFERENCES claude_code_versions(id) ON DELETE CASCADE,
+  webhook_url VARCHAR(500),
+  payload JSONB,
+  response_status INTEGER,
+  response_body TEXT,
+  error_message TEXT,
+  sent_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Tabla: metadata de monitoreo
+CREATE TABLE IF NOT EXISTS monitoring_metadata (
+  id SERIAL PRIMARY KEY,
+  last_check_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+  last_version_found VARCHAR(50),
+  check_count INTEGER DEFAULT 0,
+  error_count INTEGER DEFAULT 0,
+  last_error TEXT,
+  updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Índices para optimización
+CREATE INDEX idx_versions_version ON claude_code_versions(version);
+CREATE INDEX idx_versions_published_at ON claude_code_versions(published_at DESC);
+CREATE INDEX idx_versions_discord_notified ON claude_code_versions(discord_notified);
+CREATE INDEX idx_changes_version_id ON claude_code_changes(version_id);
+CREATE INDEX idx_changes_type ON claude_code_changes(change_type);
+CREATE INDEX idx_notifications_version_id ON discord_notifications_log(version_id);
+CREATE INDEX idx_notifications_sent_at ON discord_notifications_log(sent_at DESC);
+
+-- Función para actualizar updated_at automáticamente
+CREATE OR REPLACE FUNCTION update_updated_at_column()
+RETURNS TRIGGER AS $$
+BEGIN
+  NEW.updated_at = NOW();
+  RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+-- Trigger para claude_code_versions
+CREATE TRIGGER update_claude_code_versions_updated_at
+  BEFORE UPDATE ON claude_code_versions
+  FOR EACH ROW
+  EXECUTE FUNCTION update_updated_at_column();
+
+-- Trigger para monitoring_metadata
+CREATE TRIGGER update_monitoring_metadata_updated_at
+  BEFORE UPDATE ON monitoring_metadata
+  FOR EACH ROW
+  EXECUTE FUNCTION update_updated_at_column();
+
+-- Insertar registro inicial de metadata
+INSERT INTO monitoring_metadata (last_version_found, check_count, error_count)
+VALUES (NULL, 0, 0)
+ON CONFLICT DO NOTHING;
+
+-- Comentarios para documentación
+COMMENT ON TABLE claude_code_versions IS 'Almacena todas las versiones de Claude Code detectadas';
+COMMENT ON TABLE claude_code_changes IS 'Cambios individuales extraídos del changelog de cada versión';
+COMMENT ON TABLE discord_notifications_log IS 'Log de todas las notificaciones enviadas a Discord';
+COMMENT ON TABLE monitoring_metadata IS 'Metadata del sistema de monitoreo (última verificación, errores, etc)';