/**
* Gateway integration
*
* Initializes the @git-fabric/gateway, loads the CVE app,
* and returns a handle for routing tool calls.
*
* Catches all errors — never crashes git-steer.
* When the gateway fails to initialize, tools are simply omitted.
*/
import { createRegistry, createRouter } from '@git-fabric/gateway';
import type { Router } from '@git-fabric/gateway';
export interface GatewayHandle {
router: Router;
available: boolean;
appCount: number;
toolCount: number;
}
export async function initGateway(opts: {
githubToken: string;
stateRepo: string;
managedRepos: string[];
}): Promise<GatewayHandle> {
const degraded: GatewayHandle = {
router: null as unknown as Router,
available: false,
appCount: 0,
toolCount: 0,
};
try {
// Set env vars for CVE app's createAdaptersFromEnv()
process.env.GITHUB_TOKEN = opts.githubToken;
process.env.STATE_REPO = opts.stateRepo;
process.env.MANAGED_REPOS = opts.managedRepos.join(',');
const registry = createRegistry();
// Dynamically import + register CVE app
const cveModule = await import('@git-fabric/cve');
const cveApp = await cveModule.createApp();
registry.register(cveApp);
const router = createRouter(registry);
const tools = router.listTools();
console.log(
`[git-steer] Fabric gateway loaded: ${registry.list().length} app(s), ${tools.length} tool(s)`,
);
return {
router,
available: true,
appCount: registry.list().length,
toolCount: tools.length,
};
} catch (err: unknown) {
console.warn(
`[git-steer] Fabric gateway unavailable: ${(err as Error).message}`,
);
return degraded;
}
}
