feat(mosaic-as): agent registration + scoped/revocable tokens (US-007) (#541)

packages/appservice/src/agent-registry.dto.ts

@@ -0,0 +1,63 @@
+/** DTOs for agent registration + scoped/revocable bridge tokens (US-007). */
+
+export interface RegisterAgentDto {
+  /** Agent alias slug, e.g. "pi0". Combined with host into the agent slug. */
+  alias: string;
+  /** Host slug, e.g. "web1". Combined with alias into the agent slug. */
+  host: string;
+  display_name?: string;
+}
+
+export interface RevokeAgentDto {
+  agent_user_id: string;
+}
+
+export interface RegisterAgentResponse {
+  agent_user_id: string;
+  bridge_token: string;
+}
+
+export interface AgentSummary {
+  agent_user_id: string;
+  alias: string;
+  host: string;
+  display_name?: string;
+  created_at: string;
+  active_token_count: number;
+}
+
+const SLUG_RE = /^[a-z0-9][a-z0-9_.-]*$/;
+
+/** Combined agent slug, e.g. alias="pi0", host="web1" -> "pi0-web1". */
+export function agentSlug(alias: string, host: string): string {
+  return `${alias}-${host}`;
+}
+
+const assertSlug = (value: unknown, field: string): void => {
+  if (typeof value !== 'string' || value.length === 0 || !SLUG_RE.test(value)) {
+    throw new Error(`${field} must match [a-z0-9][a-z0-9_.-]* (lowercase, non-empty)`);
+  }
+};
+
+export function validateRegisterAgent(input: unknown): asserts input is RegisterAgentDto {
+  const o = input as Partial<RegisterAgentDto> | null | undefined;
+  if (!o || typeof o !== 'object') throw new Error('payload must be an object');
+  assertSlug(o.alias, 'alias');
+  assertSlug(o.host, 'host');
+  if (o.display_name !== undefined) {
+    if (typeof o.display_name !== 'string' || o.display_name.length === 0) {
+      throw new Error('display_name must be a non-empty string');
+    }
+    if (o.display_name.length > 100) {
+      throw new Error('display_name must be at most 100 chars');
+    }
+  }
+}
+
+export function validateRevokeAgent(input: unknown): asserts input is RevokeAgentDto {
+  const o = input as Partial<RevokeAgentDto> | null | undefined;
+  if (!o || typeof o !== 'object') throw new Error('payload must be an object');
+  if (typeof o.agent_user_id !== 'string' || !o.agent_user_id.startsWith('@')) {
+    throw new Error('agent_user_id must be a Matrix user id');
+  }
+}