Add board thread interventions

AgentCompany-New/src/shared/board-domain.ts

@@ -0,0 +1,41 @@
+export const CHAT_THREAD_BOARD_STATE = {
+  OPEN: "open",
+  FROZEN: "frozen",
+  TAKEOVER: "takeover",
+} as const;
+
+export const BOARD_INTERVENTION_MODE = {
+  OBSERVE: "observe",
+  INTERVENE: "intervene",
+  TAKEOVER: "takeover",
+} as const;
+
+export const BOARD_INTERVENTION_ACTION = {
+  DECISION: "decision",
+  FREEZE: "freeze",
+  TAKEOVER: "takeover",
+  ROLLBACK: "rollback",
+  FORCE_APPROVAL: "force_approval",
+} as const;
+
+type ValueOf<T> = T[keyof T];
+
+export type ChatThreadBoardState = ValueOf<typeof CHAT_THREAD_BOARD_STATE>;
+export type BoardInterventionMode = ValueOf<typeof BOARD_INTERVENTION_MODE>;
+export type BoardInterventionAction = ValueOf<typeof BOARD_INTERVENTION_ACTION>;
+
+export interface BoardInterventionRecord {
+  id: string;
+  orgId: string;
+  threadId: string;
+  messageId: string;
+  mode: BoardInterventionMode;
+  action: BoardInterventionAction;
+  details: string;
+  targetType: "employee" | "agent" | "board" | null;
+  targetId: string | null;
+  approvalId: string | null;
+  createdByType: "employee" | "agent" | "board" | "system";
+  createdById: string | null;
+  createdAt: string;
+}