feat: 🎉 postgresql broker first commit of forked prototype from my original code

pkg/broker/install/sql/tables/01_broker_queueinstance.sql

@@ -0,0 +1,31 @@
+-- broker_queueinstance table
+-- Tracks active and historical broker queue instances
+
+CREATE TABLE IF NOT EXISTS broker_queueinstance (
+    id_broker_queueinstance BIGSERIAL PRIMARY KEY,
+    name VARCHAR(255) NOT NULL,
+    hostname VARCHAR(255) NOT NULL,
+    pid INTEGER NOT NULL,
+    version VARCHAR(50) NOT NULL,
+    status VARCHAR(20) NOT NULL DEFAULT 'active',
+    started_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    last_ping_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW(),
+    shutdown_at TIMESTAMP WITH TIME ZONE,
+    queue_count INTEGER NOT NULL DEFAULT 0,
+    jobs_handled BIGINT NOT NULL DEFAULT 0,
+
+    CONSTRAINT broker_queueinstance_status_check CHECK (status IN ('active', 'inactive', 'shutdown'))
+);
+
+-- Indexes
+CREATE INDEX IF NOT EXISTS idx_broker_queueinstance_status ON broker_queueinstance(status);
+CREATE INDEX IF NOT EXISTS idx_broker_queueinstance_hostname ON broker_queueinstance(hostname);
+CREATE INDEX IF NOT EXISTS idx_broker_queueinstance_last_ping ON broker_queueinstance(last_ping_at);
+
+-- Comments
+COMMENT ON TABLE broker_queueinstance IS 'Tracks broker queue instances (active and historical)';
+COMMENT ON COLUMN broker_queueinstance.name IS 'Human-readable name of the broker instance';
+COMMENT ON COLUMN broker_queueinstance.hostname IS 'Hostname where the broker is running';
+COMMENT ON COLUMN broker_queueinstance.pid IS 'Process ID of the broker';
+COMMENT ON COLUMN broker_queueinstance.status IS 'Current status: active, inactive, or shutdown';
+COMMENT ON COLUMN broker_queueinstance.jobs_handled IS 'Total number of jobs handled by this instance';