diff --git a/src/frontend/src/store.ts b/src/frontend/src/store.ts
index 19d1530..1874e06 100644
--- a/src/frontend/src/store.ts
+++ b/src/frontend/src/store.ts
@@ -61,56 +61,7 @@ export interface V2Task {
   experiences?: any[];
 }
 
-// ── Pipeline Definition (PIPE) ──
-
-export const PIPE = [
-  { key: 'created',    dept: '主公',   icon: '👑', action: '提交' },
-  { key: 'planning',   dept: '庞统',   icon: '🐦', action: '拆解' },
-  { key: 'challenge',  dept: '司马懿', icon: '🦅', action: '审核' },
-  { key: 'assigned',   dept: '引擎',   icon: '📮', action: '派发' },
-  { key: 'executing',  dept: '将军',   icon: '⚔️', action: '执行' },
-  { key: 'reviewing',  dept: '司马懿', icon: '🔎', action: '验收' },
-  { key: 'done',       dept: '完成',   icon: '🏆', action: '完成' },
-] as const;
-
-export const PIPE_STATE_IDX: Record<string, number> = {
-  // moziplus states
-  created: 0,
-  planning: 1,
-  challenging: 2,
-  assigned: 3,
-  executing: 4,
-  cancelling: 4,  // BUG-6: 同 executing 位置
-  pausing: 4,     // BUG-6: 同 executing 位置
-  paused: 4,
-  reviewing: 5,
-  completed: 6,
-  failed: 4,
-  cancelled: 6,
-  escalated: 4,
-  // legacy edict states (backward compat)
-  Inbox: 0, Menxia: 1, Zhongshu: 2, Assigned: 3,
-  Doing: 4, Review: 5, Done: 6, Blocked: 4, Cancelled: 6, Next: 0,
-  Taizi: 0, Pending: 0,
-};
-
-export const DEPT_COLOR: Record<string, string> = {
-  '主公': '#ffd700', '庞统': '#a07aff', '司马懿': '#6a9eff', '引擎': '#6aef9a',
-  '张飞': '#ff5270', '关羽': '#f5c842', '赵云': '#44aaff', '姜维': '#2ecc8a',
-  '诸葛亮': '#e8a040', '交付': '#2ecc8a',
-};
-
-export const STATE_LABEL: Record<string, string> = {
-  created: '新建', planning: '规划中', challenging: '审核中',
-  assigned: '已派发', executing: '执行中', paused: '已暂停',
-  cancelling: '取消中', pausing: '暂停中',  // BUG-6
-  reviewing: '验收中', completed: '已完成', failed: '已失败',
-  cancelled: '已取消', escalated: '已升级',
-};
-
-export function deptColor(d: string): string {
-  return DEPT_COLOR[d] || '#6a9eff';
-}
+// ── Pipeline removed (v3.0): old 7-step PIPE replaced by EdictBoard PIPELINE_STEPS + TaskModal VALID_TRANSITIONS ──
 
 export function stateLabel(t: Task): string {
   const r = t.review_round || 0;
@@ -135,55 +86,13 @@ export function isEdict(t: Task): boolean {
   return /^TSK-/i.test(id) || /^[0-9a-f]{8}-/i.test(id) || /^[A-Za-z0-9]{10,16}$/.test(id);
 }
 
-export function isSession(t: Task): boolean {
-  return /^(OC-|MC-)/i.test(t.id || '');
-}
+// STATE_LABEL kept for backward compat (7 refs)
 
 export function isArchived(t: Task): boolean {
   return !!t.archived;
 }
 
-export type PipeStatus = { key: string; dept: string; icon: string; action: string; status: 'done' | 'active' | 'pending' };
-
-export function getPipeStatus(t: Task): PipeStatus[] {
-  const planStatus = t.plan_status || '';
-  const nodes = t.nodes || [];
-  const s = t.status || t.state; // moziplus status or legacy edict state
-
-  let activeIdx = PIPE_STATE_IDX[s] ?? 4;
-
-  // Refine based on moziplus sub-state
-  if (s === 'planning') {
-    if (planStatus === 'challenging') activeIdx = 2;       // 审核
-    else if (planStatus === 'approved') activeIdx = 3;      // 派发
-    else if (planStatus === 'rejected') activeIdx = 1;      // 回到拆解
-    else activeIdx = 1;                                      // 拆解
-  } else if (s === 'executing') {
-    const hasReviewing = nodes.some((n: TaskNode) => n.status === 'reviewing');
-    activeIdx = hasReviewing ? 5 : 4;                       // 验收 vs 执行
-  } else if (s === 'failed' || s === 'cancelled') {
-    // 根据实际失败阶段定位进度条
-    if (planStatus === 'pending' || planStatus === 'rejected' || !planStatus) {
-      activeIdx = 1; // 拆解阶段失败/取消
-    } else if (planStatus === 'challenging') {
-      activeIdx = 2; // 审核阶段失败/取消
-    } else if (planStatus === 'approved') {
-      activeIdx = 4; // 执行阶段失败/取消
-    } else {
-      activeIdx = 4; // 默认显示在执行
-    }
-  } else if (s === 'escalated') {
-    activeIdx = 4;
-  } else if (s === 'cancelling' || s === 'pausing') {
-    // BUG-6: 停在执行阶段
-    activeIdx = 4;
-  }
-
-  return PIPE.map((stage, i) => ({
-    ...stage,
-    status: (i < activeIdx ? 'done' : i === activeIdx ? 'active' : 'pending') as 'done' | 'active' | 'pending',
-  }));
-}
+// getPipeStatus + PipeStatus removed (v3.0): dead code, zero references
 
 // ── Tabs ──