Q147: the conversation header lists its real members, how each agent replies, and who can read

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/shared/chat-domain.ts

@@ -113,3 +113,9 @@ export type ChatReplyStatus = { messageId: string; agentId: string } & (
   | { state: "expired" | "failed"; detail: string; resumesAt: null }
   | { state: "stopped"; detail: string | null; resumesAt: null }
 );
+
+/** The agent that answers a channel message naming no one, per channel that has one. */
+export interface ChatSpaceAnchor {
+  spaceId: string;
+  agentId: string;
+}

src/shared/domain.ts

@@ -1,6 +1,6 @@
 import type { ProviderDataPolicy } from "./provider-policy-domain";
 export { BOARD_INTERVENTION_ACTION, BOARD_INTERVENTION_MODE, CHAT_THREAD_BOARD_STATE, type BoardInterventionAction, type BoardInterventionMode, type BoardInterventionRecord, type ChatThreadBoardState } from "./board-domain";
-export type { ChatReplyStatus, ChatSpaceRecord, ChatMessageRecord, ChatMembershipRecord, ChatThreadRecord, ChatAttachmentRecord, ChatMentionRecord, ChatSlashInvocationRecord, ChatPresenceRecord, ChatReadStateRecord } from "./chat-domain";
+export type { ChatReplyStatus, ChatSpaceAnchor, ChatSpaceRecord, ChatMessageRecord, ChatMembershipRecord, ChatThreadRecord, ChatAttachmentRecord, ChatMentionRecord, ChatSlashInvocationRecord, ChatPresenceRecord, ChatReadStateRecord } from "./chat-domain";
 export { COMPLIANCE_EXPORT_STATE, COMPLIANCE_EXPORT_TYPE, type ComplianceExportRecord, type ComplianceExportState, type ComplianceExportType, type ComplianceSubjectType, type LegalHoldEntityType, type LegalHoldRecord, type RetentionFreezeRecord, type RetentionFreezeScopeType } from "./compliance-domain";
 export { ACCESS_DECISION, IDENTITY_SOURCE, ROLE_KEY, type AccessDecision, type AccessDecisionRecord, type EmployeeIdentityRecord, type IdentitySource, type PrincipalType, type RoleGrantRecord, type RoleKey, type ServiceIdentityRecord } from "./identity-domain";
 export { ROUTE_TO_TYPE, type ApprovalAssignmentRecord, type ApprovalRoutingRuleRecord, type HiringPolicyRecord, type OrgDepartmentRecord, type RouteToType } from "./org-governance-domain";

src/shared/snapshot-domain.ts

@@ -12,6 +12,7 @@ import type {
   ChatSpaceRecord,
   ChatThreadRecord,
   ChatReplyStatus,
+  ChatSpaceAnchor,
 } from "./chat-domain";
 import type { ComplianceExportRecord, LegalHoldRecord, RetentionFreezeRecord } from "./compliance-domain";
 import type {
@@ -86,6 +87,7 @@ export interface AppSnapshot {
   chatMessages: ChatMessageRecord[];
   chatThreads: ChatThreadRecord[];
   chatReplyStatuses: ChatReplyStatus[];
+  chatSpaceAnchors: ChatSpaceAnchor[];
   chatAttachments: ChatAttachmentRecord[];
   chatMentions: ChatMentionRecord[];
   chatSlashInvocations: ChatSlashInvocationRecord[];