feat(activities): editable stages with tab and kanban views

Co-authored-by: Cursor <cursoragent@cursor.com>

packages/shared/src/index.ts

@@ -1138,6 +1138,67 @@ export type ActivityStatus = "open" | "done" | "canceled";
 export type ActivityPriority = "very_low" | "low" | "medium" | "high" | "very_high";
 export type ActivityFilter = "today" | "overdue" | "upcoming" | "done" | "all";
 
+export type ActivityStageColor = "green" | "orange" | "purple" | "blue" | "rose" | "slate";
+
+export const ACTIVITY_STAGE_COLORS: ActivityStageColor[] = [
+  "green",
+  "orange",
+  "purple",
+  "blue",
+  "rose",
+  "slate",
+];
+
+export const ACTIVITY_STAGE_COLOR_LABELS: Record<ActivityStageColor, string> = {
+  green: "سبز",
+  orange: "نارنجی",
+  purple: "بنفش",
+  blue: "آبی",
+  rose: "قرمز",
+  slate: "خاکستری",
+};
+
+/** نوع مرحله = وضعیتی که فعالیت با رفتن به آن ستون می‌گیرد */
+export const ACTIVITY_STAGE_KIND_LABELS: Record<ActivityStatus, string> = {
+  open: "باز (در جریان)",
+  done: "انجام‌شده",
+  canceled: "لغو شده",
+};
+
+export interface ActivityStageDto {
+  id: string;
+  name: string;
+  position: number;
+  color: ActivityStageColor;
+  kind: ActivityStatus;
+}
+
+export interface CreateActivityStageRequest {
+  name: string;
+  color?: ActivityStageColor;
+  kind?: ActivityStatus;
+}
+
+export interface UpdateActivityStageRequest {
+  name?: string;
+  color?: ActivityStageColor;
+  kind?: ActivityStatus;
+}
+
+export interface ReorderActivityStagesRequest {
+  stageIds: string[];
+}
+
+export interface MoveActivityStageRequest {
+  stageId: string;
+}
+
+/** شمارش فعالیت‌ها به تفکیک مرحله با فیلترهای فعلی */
+export interface ActivityStageCountsDto {
+  counts: Record<string, number>;
+  total: number;
+}
+
 export type CustomFieldEntity = "person" | "company" | "deal";
 export type CustomFieldType = "text" | "number" | "date" | "boolean" | "select";
 
@@ -1204,12 +1265,16 @@ export interface ActivityDto {
   /** همه مسئولان انجام فعالیت */
   assignees: UserSummaryDto[];
   createdBy: UserSummaryDto | null;
+  /** مرحلهٔ مؤثر (ستون کانبان) */
+  stageId?: string | null;
   createdAt: string;
   updatedAt: string;
 }
 
 export interface CreateActivityRequest {
   title: string;
+  /** مرحلهٔ اولیه؛ وضعیت فعالیت از نوع مرحله گرفته می‌شود */
+  stageId?: string | null;
   type?: ActivityType;
   priority?: ActivityPriority;
   description?: string;