export const DESCRIPTOR_VERSION = 6 as const; export interface ModuleSourceRef {  readonly path: string;  readonly sourceHash: string;} export interface ToolchainRef {  readonly bundler: {    readonly name: string;    readonly version: string;  };  readonly executor: {    readonly name: string;    readonly version: string;  };  readonly target: string;} export interface IntegrationDecl {  readonly slug: string;  readonly mode: "one" | "many";  readonly description?: string;} export interface ToolDescriptor {  readonly name: string;  readonly sourcePath: string;  readonly bundleKey: string;  readonly source: ModuleSourceRef;  readonly description: string;  readonly integrations: Readonly<Record<string, IntegrationDecl>>;  readonly inputSchema?: unknown;  readonly outputSchema?: unknown;  readonly annotations?: {    readonly readOnly?: boolean;    readonly destructive?: boolean;    readonly requiresApproval?: boolean;  };} export interface DeferredDescriptor {  readonly path: string;  readonly reason: "not supported yet";} export interface AppDescriptor {  readonly version: typeof DESCRIPTOR_VERSION;  readonly app: string;  readonly sourceRef: string;  readonly publishedAt: number;  readonly toolchain: ToolchainRef;  readonly tools: readonly ToolDescriptor[];  readonly workflows: readonly DeferredDescriptor[];  readonly ui: readonly DeferredDescriptor[];  readonly skills: readonly DeferredDescriptor[];  readonly skipped: readonly DeferredDescriptor[];} export const stableStringify = (value: unknown): string => {  const seen = new WeakSet<object>();  const walk = (v: unknown): unknown => {    if (v === null || typeof v !== "object") return v;    if (seen.has(v)) return "[Circular]";    seen.add(v);    if (Array.isArray(v)) return v.map(walk);    const out: Record<string, unknown> = {};    for (const key of Object.keys(v as Record<string, unknown>).sort()) {      const inner = (v as Record<string, unknown>)[key];      if (inner !== undefined) out[key] = walk(inner);    }    return out;  };  return JSON.stringify(walk(value));};