migration reorg basically done

migrations/20250101000014_worker_table.sql

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+-- Migration: Worker Table
+-- Description: Creates worker table for tracking worker registration and heartbeat
+-- Version: 20250101000014
+
+-- ============================================================================
+-- WORKER TABLE
+-- ============================================================================
+
+CREATE TABLE worker (
+    id BIGSERIAL PRIMARY KEY,
+    name TEXT NOT NULL UNIQUE,
+    worker_type worker_type_enum NOT NULL,
+    worker_role worker_role_enum NOT NULL,
+    runtime BIGINT REFERENCES runtime(id) ON DELETE SET NULL,
+    host TEXT,
+    port INTEGER,
+    status worker_status_enum NOT NULL DEFAULT 'active',
+    capabilities JSONB,
+    meta JSONB,
+    last_heartbeat TIMESTAMPTZ,
+    created TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+-- Indexes
+CREATE INDEX idx_worker_name ON worker(name);
+CREATE INDEX idx_worker_type ON worker(worker_type);
+CREATE INDEX idx_worker_role ON worker(worker_role);
+CREATE INDEX idx_worker_runtime ON worker(runtime);
+CREATE INDEX idx_worker_status ON worker(status);
+CREATE INDEX idx_worker_last_heartbeat ON worker(last_heartbeat DESC) WHERE last_heartbeat IS NOT NULL;
+CREATE INDEX idx_worker_created ON worker(created DESC);
+CREATE INDEX idx_worker_status_role ON worker(status, worker_role);
+CREATE INDEX idx_worker_capabilities_gin ON worker USING GIN (capabilities);
+CREATE INDEX idx_worker_meta_gin ON worker USING GIN (meta);
+
+-- Trigger
+CREATE TRIGGER update_worker_updated
+    BEFORE UPDATE ON worker
+    FOR EACH ROW
+    EXECUTE FUNCTION update_updated_column();
+
+-- Comments
+COMMENT ON TABLE worker IS 'Worker registration and tracking table for action and sensor workers';
+COMMENT ON COLUMN worker.name IS 'Unique worker identifier (typically hostname-based)';
+COMMENT ON COLUMN worker.worker_type IS 'Worker deployment type (local or remote)';
+COMMENT ON COLUMN worker.worker_role IS 'Worker role (action or sensor)';
+COMMENT ON COLUMN worker.runtime IS 'Runtime environment this worker supports (optional)';
+COMMENT ON COLUMN worker.host IS 'Worker host address';
+COMMENT ON COLUMN worker.port IS 'Worker port number';
+COMMENT ON COLUMN worker.status IS 'Worker operational status';
+COMMENT ON COLUMN worker.capabilities IS 'Worker capabilities (e.g., max_concurrent_executions, supported runtimes)';
+COMMENT ON COLUMN worker.meta IS 'Additional worker metadata';
+COMMENT ON COLUMN worker.last_heartbeat IS 'Timestamp of last heartbeat from worker';
+
+-- ============================================================================