diff --git a/src/i18n/en/dashboard.ts b/src/i18n/en/dashboard.ts
index a06f144..0eec5a4 100644
--- a/src/i18n/en/dashboard.ts
+++ b/src/i18n/en/dashboard.ts
@@ -35,9 +35,7 @@ export default {
     stage: {
       planning: 'Planning',
       coding: 'Coding',
-      paused: 'Paused',
       done: 'Done',
-      cancelled: 'Cancelled',
     },
     ideaStatus: {
       draft: 'Draft',
diff --git a/src/i18n/en/ideas.ts b/src/i18n/en/ideas.ts
index 7de8799..f21afe8 100644
--- a/src/i18n/en/ideas.ts
+++ b/src/i18n/en/ideas.ts
@@ -72,6 +72,9 @@ export default {
     titlePlaceholder: 'Describe your idea in one sentence...',
     descPlaceholder: 'More details (optional)...',
 
+    // Deep link not found
+    notFound: 'Idea not found or deleted',
+
     // Native dialog text (confirm / alert)
     confirmDelete: 'Delete idea "{title}"? This cannot be undone.',
     promoteFailed: 'Promotion failed',
diff --git a/src/i18n/en/projects.ts b/src/i18n/en/projects.ts
index 92af1a7..b9c1ca8 100644
--- a/src/i18n/en/projects.ts
+++ b/src/i18n/en/projects.ts
@@ -39,11 +39,8 @@ export default {
     // Status labels (PROJECT_STATUS_LABELS values in constants/project.ts use these keys)
     status: {
       planning: '📐 Planning',
-      in_progress: '💻 In Progress',
-      paused: '⏸ Paused',
-      completed: '✅ Completed',
-      cancelled: '❌ Cancelled',
       active: '🚀 In Progress',
+      completed: '✅ Completed',
     },
     // Error fallbacks (user-visible via state.error)
     err: {
@@ -55,6 +52,8 @@ export default {
       restoreFailed: 'Failed to restore project',
       purgeFailed: 'Failed to delete permanently',
       loadWorkflowFailed: 'Failed to load workflow records',
+      approveFailed: 'Approval operation failed',
+      cancelFailed: 'Cancel approval failed',
     },
   },
 }
diff --git a/src/i18n/zh-CN/dashboard.ts b/src/i18n/zh-CN/dashboard.ts
index 48beaf7..c951384 100644
--- a/src/i18n/zh-CN/dashboard.ts
+++ b/src/i18n/zh-CN/dashboard.ts
@@ -35,9 +35,7 @@ export default {
     stage: {
       planning: '规划中',
       coding: '编码中',
-      paused: '已暂停',
       done: '已完成',
-      cancelled: '已取消',
     },
     ideaStatus: {
       draft: '草稿',
diff --git a/src/i18n/zh-CN/ideas.ts b/src/i18n/zh-CN/ideas.ts
index 684d013..af1dae1 100644
--- a/src/i18n/zh-CN/ideas.ts
+++ b/src/i18n/zh-CN/ideas.ts
@@ -72,6 +72,9 @@ export default {
     titlePlaceholder: '一句话描述你的灵感...',
     descPlaceholder: '详细说明（可选）...',
 
+    // 深链不存在提示
+    notFound: '灵感不存在或已删除',
+
     // 原生对话框文案（confirm / alert）
     confirmDelete: '确定删除灵感「{title}」?此操作不可撤销。',
     promoteFailed: '立项失败',
diff --git a/src/i18n/zh-CN/projects.ts b/src/i18n/zh-CN/projects.ts
index 119d5a0..b878924 100644
--- a/src/i18n/zh-CN/projects.ts
+++ b/src/i18n/zh-CN/projects.ts
@@ -38,11 +38,8 @@ export default {
     // 状态文案(constants/project.ts 的 PROJECT_STATUS_LABELS 值走此 key)
     status: {
       planning: '📐 规划中',
-      in_progress: '💻 进行中',
-      paused: '⏸ 已暂停',
-      completed: '✅ 已完成',
-      cancelled: '❌ 已取消',
       active: '🚀 进行中',
+      completed: '✅ 已完成',
     },
     // 错误回退(state.error 用户可见)
     err: {
@@ -54,6 +51,8 @@ export default {
       restoreFailed: '恢复项目失败',
       purgeFailed: '彻底删除失败',
       loadWorkflowFailed: '加载工作流记录失败',
+      approveFailed: '审批操作失败',
+      cancelFailed: '取消审批失败',
     },
   },
 }
diff --git a/src/router/index.ts b/src/router/index.ts
index 9fb66f0..3c288d9 100644
--- a/src/router/index.ts
+++ b/src/router/index.ts
@@ -47,6 +47,12 @@ const routes = [
     component: () => import('../views/Tasks.vue'),
     meta: { title: '任务', icon: 'icon-thunder' },
   },
+  {
+    path: '/tasks/:id',
+    name: 'TaskDetail',
+    component: () => import('../views/TaskDetail.vue'),
+    meta: { title: '任务详情', icon: 'icon-thunder' },
+  },
   {
     path: '/knowledge',
     name: 'Knowledge',
diff --git a/src/stores/project/tasks.ts b/src/stores/project/tasks.ts
index cb49460..cb4b6e6 100644
--- a/src/stores/project/tasks.ts
+++ b/src/stores/project/tasks.ts
@@ -27,10 +27,14 @@ export function createTasksStore() {
   }
 
   async function updateTask(id: string, field: string, value: string) {
-    await taskApi.update(id, field, value)
-    const idx = state.tasks.findIndex(t => t.id === id)
-    if (idx >= 0) {
-      (state.tasks[idx] as any)[field] = value
+    try {
+      await taskApi.update(id, field, value)
+      const idx = state.tasks.findIndex(t => t.id === id)
+      if (idx >= 0) {
+        (state.tasks[idx] as any)[field] = value
+      }
+    } catch (e: any) {
+      state.error = e?.toString() ?? t('tasks.err.updateFailed')
     }
   }
 
diff --git a/src/stores/project/workflow.ts b/src/stores/project/workflow.ts
index 14621f9..88b5eae 100644
--- a/src/stores/project/workflow.ts
+++ b/src/stores/project/workflow.ts
@@ -89,6 +89,7 @@ export function createWorkflowStore() {
       state.pendingApproval = null
     } catch (error) {
       console.error('审批失败:', error)
+      state.error = error?.toString() ?? t('projects.err.approveFailed')
     }
   }
 
@@ -105,6 +106,7 @@ export function createWorkflowStore() {
       state.pendingApproval = null
     } catch (error) {
       console.error('取消审批失败:', error)
+      state.error = error?.toString() ?? t('projects.err.cancelFailed')
     }
   }
 
diff --git a/src/views/Dashboard.vue b/src/views/Dashboard.vue
index a3d5dd7..ee9a305 100644
--- a/src/views/Dashboard.vue
+++ b/src/views/Dashboard.vue
@@ -126,15 +126,13 @@ const stats = computed(() => [
 ])
 
 function getProjectStage(status: string): { stage: string; stageLabelKey: string; progress: number } {
-  // stage(颜色档)与 stageLabelKey(文案)语义必须一致：
-  //   planning/cancelled 不再借用 coding/testing 颜色(否则颜色撒谎),改用专属颜色档。
+  // F-09 对齐:project status 死键(in_progress/paused/cancelled)已从后端映射移除,
+  // 此处 switch 同步收敛,与 constants/project.ts 的 PROJECT_STAGE_INFO 语义一致。
   switch (status) {
     case 'planning': return { stage: 'planning', stageLabelKey: 'planning', progress: 20 }
-    case 'in_progress': return { stage: 'coding', stageLabelKey: 'coding', progress: 55 }
-    case 'paused': return { stage: 'testing', stageLabelKey: 'paused', progress: 40 }
+    case 'active': return { stage: 'coding', stageLabelKey: 'coding', progress: 55 }
     case 'completed': return { stage: 'release', stageLabelKey: 'done', progress: 100 }
-    case 'cancelled': return { stage: 'cancelled', stageLabelKey: 'cancelled', progress: 0 }
-    default: return { stage: 'coding', stageLabelKey: 'coding', progress: 30 }
+    default: return { stage: 'planning', stageLabelKey: 'planning', progress: 20 }
   }
 }
 
diff --git a/src/views/Ideas.vue b/src/views/Ideas.vue
index 0990692..b1af5b9 100644
--- a/src/views/Ideas.vue
+++ b/src/views/Ideas.vue
@@ -206,8 +206,8 @@
 </template>
 
 <script setup lang="ts">
-import { ref, computed, onMounted } from 'vue'
-import { useRouter } from 'vue-router'
+import { ref, computed, onMounted, watch } from 'vue'
+import { useRouter, useRoute } from 'vue-router'
 import { useI18n } from 'vue-i18n'
 import { Message } from '@arco-design/web-vue'
 import { useProjectStore } from '../stores/project'
@@ -219,6 +219,7 @@ import type { IdeaRecord } from '../api/types'
 
 const { t } = useI18n()
 const router = useRouter()
+const route = useRoute()
 const store = useProjectStore()
 
 // 确认弹层状态机抽至 composables/useConfirm(原 4 视图重复:Projects/ProjectDetail/Ideas/Settings)
@@ -448,6 +449,27 @@ async function onStatusChange(e: Event) {
 onMounted(async () => {
   ensureLoaded() // 后台预热 Markdown 渲染器(模块单例,与 AiChat/TaskDetail 共享),不阻塞
   await store.loadIdeas()
+  // 从路由参数恢复选中灵感（修复 /ideas/:id 直接访问空白页 B-260615-36）
+  if (route.params.id) {
+    const id = route.params.id as string
+    const exists = store.ideas.some(i => i.id === id)
+    if (!exists) {
+      Message.warning(t('ideas.notFound'))
+    }
+    selectedId.value = id
+  }
+})
+
+// 同组件内路由变化时同步 selectedId（列表点击跳 /ideas/:id）
+watch(() => route.params.id, (id) => {
+  if (id) {
+    const ideaId = id as string
+    const exists = store.ideas.some(i => i.id === ideaId)
+    if (!exists) {
+      Message.warning(t('ideas.notFound'))
+    }
+    selectedId.value = ideaId
+  }
 })
 </script>
 
@@ -811,62 +833,8 @@ onMounted(async () => {
   margin-bottom: var(--df-gap-page);
 }
 
-/* ===== 灵感描述 Markdown 渲染(B-260615-25,样式同 TaskDetail B-24 .ai-md 收敛) ===== */
+/* ===== 灵感描述 Markdown 渲染(B-260615-25,基础样式收敛至全局 ai-md.css) ===== */
 .detail-desc.ai-md { white-space: normal; color: var(--df-text-secondary); }
-.detail-desc.ai-md :deep(p) { margin: 0 0 6px; }
-.detail-desc.ai-md :deep(p:last-child) { margin-bottom: 0; }
-.detail-desc.ai-md :deep(ul), .detail-desc.ai-md :deep(ol) { margin: 4px 0; padding-left: 20px; }
-.detail-desc.ai-md :deep(li) { margin: 2px 0; line-height: 1.5; }
-.detail-desc.ai-md :deep(code) {
-  font-family: var(--df-font-mono);
-  font-size: 12px;
-  padding: 1px 5px;
-  background: rgba(255,255,255,0.06);
-  border-radius: var(--df-radius-sm);
-  color: var(--df-accent);
-}
-.detail-desc.ai-md :deep(pre) {
-  margin: 8px 0;
-  padding: 10px 12px;
-  background: var(--df-bg);
-  border: 0.5px solid var(--df-border);
-  border-radius: var(--df-radius);
-  overflow-x: auto;
-}
-.detail-desc.ai-md :deep(pre code) {
-  padding: 0;
-  background: transparent;
-  border-radius: 0;
-  color: var(--df-text-secondary);
-  font-size: 12px;
-  line-height: 1.5;
-}
-.detail-desc.ai-md :deep(blockquote) {
-  margin: 6px 0;
-  padding: 4px 12px;
-  border-left: 2px solid var(--df-accent);
-  color: var(--df-text-secondary);
-}
-.detail-desc.ai-md :deep(h1), .detail-desc.ai-md :deep(h2), .detail-desc.ai-md :deep(h3) {
-  font-weight: 500;
-  color: var(--df-text);
-  margin: 8px 0 4px;
-}
-.detail-desc.ai-md :deep(h1) { font-size: 16px; }
-.detail-desc.ai-md :deep(h2) { font-size: 14px; }
-.detail-desc.ai-md :deep(h3) { font-size: 13px; }
-.detail-desc.ai-md :deep(a) { color: var(--df-accent); text-decoration: none; }
-.detail-desc.ai-md :deep(a:hover) { text-decoration: underline; }
-.detail-desc.ai-md :deep(strong) { font-weight: 500; color: var(--df-text); }
-.detail-desc.ai-md :deep(hr) { border: none; border-top: 0.5px solid var(--df-border); margin: 8px 0; }
-.detail-desc.ai-md :deep(table) {
-  width: 100%; border-collapse: collapse; margin: 6px 0;
-  font-size: 12px; overflow-x: auto; display: block;
-}
-.detail-desc.ai-md :deep(th), .detail-desc.ai-md :deep(td) {
-  padding: 4px 8px; border: 0.5px solid var(--df-border); text-align: left;
-}
-.detail-desc.ai-md :deep(th) { font-weight: 500; background: var(--df-bg); }
 
 .detail-section {
   margin-bottom: var(--df-gap-page);
diff --git a/src/views/Knowledge.vue b/src/views/Knowledge.vue
index b3feafc..ceaa447 100644
--- a/src/views/Knowledge.vue
+++ b/src/views/Knowledge.vue
@@ -564,7 +564,7 @@ onMounted(() => {
 
 /* ===== 左右分栏 ===== */
 .kn-layout {
-  display: grid; grid-template-columns: 360px 1fr; gap: var(--df-gap-page);
+  display: grid; grid-template-columns: minmax(240px, 360px) 1fr; gap: var(--df-gap-page);
   flex: 1; min-height: 0;
 }
 .kn-list-panel, .kn-detail-panel {
@@ -573,7 +573,7 @@ onMounted(() => {
   border-radius: var(--df-radius-lg);
   overflow: hidden; display: flex; flex-direction: column;
 }
-.kn-detail-panel { overflow-y: auto; padding: 20px; }
+.kn-detail-panel { overflow-y: auto; padding: 20px; min-width: 0; }
 
 /* 左侧搜索 + 分类 */
 .search-bar { padding: 12px 12px 0; }
@@ -631,62 +631,8 @@ onMounted(() => {
 .detail-field label { display: block; font-size: 12px; color: var(--df-text-secondary); margin-bottom: 4px; }
 .detail-content { font-size: 13px; color: var(--df-text); line-height: 1.6; white-space: pre-wrap; }
 
-/* ===== 知识内容 Markdown 渲染(B-260615-25,样式同 TaskDetail B-24 .ai-md 收敛) ===== */
+/* ===== 知识内容 Markdown 渲染(B-260615-25,基础样式收敛至全局 ai-md.css) ===== */
 .detail-content.ai-md { white-space: normal; }
-.detail-content.ai-md :deep(p) { margin: 0 0 6px; }
-.detail-content.ai-md :deep(p:last-child) { margin-bottom: 0; }
-.detail-content.ai-md :deep(ul), .detail-content.ai-md :deep(ol) { margin: 4px 0; padding-left: 20px; }
-.detail-content.ai-md :deep(li) { margin: 2px 0; line-height: 1.5; }
-.detail-content.ai-md :deep(code) {
-  font-family: var(--df-font-mono);
-  font-size: 12px;
-  padding: 1px 5px;
-  background: rgba(255,255,255,0.06);
-  border-radius: var(--df-radius-sm);
-  color: var(--df-accent);
-}
-.detail-content.ai-md :deep(pre) {
-  margin: 8px 0;
-  padding: 10px 12px;
-  background: var(--df-bg);
-  border: 0.5px solid var(--df-border);
-  border-radius: var(--df-radius);
-  overflow-x: auto;
-}
-.detail-content.ai-md :deep(pre code) {
-  padding: 0;
-  background: transparent;
-  border-radius: 0;
-  color: var(--df-text-secondary);
-  font-size: 12px;
-  line-height: 1.5;
-}
-.detail-content.ai-md :deep(blockquote) {
-  margin: 6px 0;
-  padding: 4px 12px;
-  border-left: 2px solid var(--df-accent);
-  color: var(--df-text-secondary);
-}
-.detail-content.ai-md :deep(h1), .detail-content.ai-md :deep(h2), .detail-content.ai-md :deep(h3) {
-  font-weight: 500;
-  color: var(--df-text);
-  margin: 8px 0 4px;
-}
-.detail-content.ai-md :deep(h1) { font-size: 16px; }
-.detail-content.ai-md :deep(h2) { font-size: 14px; }
-.detail-content.ai-md :deep(h3) { font-size: 13px; }
-.detail-content.ai-md :deep(a) { color: var(--df-accent); text-decoration: none; }
-.detail-content.ai-md :deep(a:hover) { text-decoration: underline; }
-.detail-content.ai-md :deep(strong) { font-weight: 500; color: var(--df-text); }
-.detail-content.ai-md :deep(hr) { border: none; border-top: 0.5px solid var(--df-border); margin: 8px 0; }
-.detail-content.ai-md :deep(table) {
-  width: 100%; border-collapse: collapse; margin: 6px 0;
-  font-size: 12px; overflow-x: auto; display: block;
-}
-.detail-content.ai-md :deep(th), .detail-content.ai-md :deep(td) {
-  padding: 4px 8px; border: 0.5px solid var(--df-border); text-align: left;
-}
-.detail-content.ai-md :deep(th) { font-weight: 500; background: var(--df-bg); }
 .detail-tags { display: flex; gap: 6px; flex-wrap: wrap; }
 .tag { font-size: 11px; padding: 2px 8px; border-radius: var(--df-radius-xs); background: rgba(108,99,255,0.1); color: var(--df-accent); }
 .muted { color: var(--df-text-dim); font-size: 12px; }
@@ -778,4 +724,10 @@ onMounted(() => {
 .form-input:focus, .form-select:focus { border-color: var(--df-accent); }
 .form-textarea { min-height: 80px; resize: vertical; font-family: inherit; }
 .modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
+
+/* ===== 响应式:窄屏详情标题防竖线化(B-260616-19) ===== */
+@media (max-width: 760px) {
+  .kn-layout { grid-template-columns: 1fr; }
+  .detail-title { font-size: 15px; }
+}
 </style>
diff --git a/src/views/ProjectDetail.vue b/src/views/ProjectDetail.vue
index 04753a5..7ce2a72 100644
--- a/src/views/ProjectDetail.vue
+++ b/src/views/ProjectDetail.vue
@@ -272,7 +272,7 @@ const currentProject = computed(() =>
 )
 // B-260615-25:项目描述 Markdown 渲染(复用 AiChat/TaskDetail 同款渲染器,模块级单例),
 // useRendered 封装 computed(读 mdReady 触发响应式 + renderMd)+ ensureLoaded(幂等预热)
-const { rendered: renderedDesc, ensureLoaded: ensureMdLoaded } = useRendered(
+const { rendered: renderedDesc, ensureLoaded } = useRendered(
   () => currentProject.value?.description ?? '',
 )
 const stageKey = computed(() => currentProject.value?.status ?? 'planning')
@@ -378,7 +378,7 @@ async function relocateDir() {
     await checkPath()
   } catch (e: any) {
     console.error('重定位失败:', e)
-    Message.error(t('projectDetail.relocateFailed', { msg: e?.toString() ?? '未知错误' }))
+    Message.error(t('projectDetail.relocateFailed', { msg: e?.toString() ?? t('common.unknownError') }))
   }
 }
 
@@ -456,7 +456,7 @@ watch(() => store.pendingApproval, (newApproval) => {
 
 // ── 生命周期 ──
 onMounted(async () => {
-  ensureMdLoaded() // 后台预热 Markdown 渲染器(模块单例,与 AiChat/TaskDetail 共享),不阻塞
+  ensureLoaded() // 后台预热 Markdown 渲染器(模块单例,与 AiChat/TaskDetail 共享),不阻塞
   await store.loadProjects()
   await store.loadTasks() // 全量加载,详情页用 computed 过滤本项目(避免覆盖全局 tasks 单例)
   unlisten = await store.startEventListener()
@@ -544,62 +544,8 @@ onUnmounted(() => {
   border: 0.5px solid var(--df-border);
 }
 
-/* ===== 项目描述 Markdown 渲染(B-260615-25,样式同 TaskDetail B-24 .ai-md 收敛) ===== */
+/* ===== 项目描述 Markdown 渲染(B-260615-25,基础样式收敛至全局 ai-md.css) ===== */
 .description.ai-md { font-size: 14px; color: var(--df-text); line-height: 1.6; }
-.description.ai-md :deep(p) { margin: 0 0 6px; }
-.description.ai-md :deep(p:last-child) { margin-bottom: 0; }
-.description.ai-md :deep(ul), .description.ai-md :deep(ol) { margin: 4px 0; padding-left: 20px; }
-.description.ai-md :deep(li) { margin: 2px 0; line-height: 1.5; }
-.description.ai-md :deep(code) {
-  font-family: var(--df-font-mono);
-  font-size: 12px;
-  padding: 1px 5px;
-  background: rgba(255,255,255,0.06);
-  border-radius: var(--df-radius-sm);
-  color: var(--df-accent);
-}
-.description.ai-md :deep(pre) {
-  margin: 8px 0;
-  padding: 10px 12px;
-  background: var(--df-bg);
-  border: 0.5px solid var(--df-border);
-  border-radius: var(--df-radius);
-  overflow-x: auto;
-}
-.description.ai-md :deep(pre code) {
-  padding: 0;
-  background: transparent;
-  border-radius: 0;
-  color: var(--df-text-secondary);
-  font-size: 12px;
-  line-height: 1.5;
-}
-.description.ai-md :deep(blockquote) {
-  margin: 6px 0;
-  padding: 4px 12px;
-  border-left: 2px solid var(--df-accent);
-  color: var(--df-text-secondary);
-}
-.description.ai-md :deep(h1), .description.ai-md :deep(h2), .description.ai-md :deep(h3) {
-  font-weight: 500;
-  color: var(--df-text);
-  margin: 8px 0 4px;
-}
-.description.ai-md :deep(h1) { font-size: 16px; }
-.description.ai-md :deep(h2) { font-size: 14px; }
-.description.ai-md :deep(h3) { font-size: 13px; }
-.description.ai-md :deep(a) { color: var(--df-accent); text-decoration: none; }
-.description.ai-md :deep(a:hover) { text-decoration: underline; }
-.description.ai-md :deep(strong) { font-weight: 500; color: var(--df-text); }
-.description.ai-md :deep(hr) { border: none; border-top: 0.5px solid var(--df-border); margin: 8px 0; }
-.description.ai-md :deep(table) {
-  width: 100%; border-collapse: collapse; margin: 6px 0;
-  font-size: 12px; overflow-x: auto; display: block;
-}
-.description.ai-md :deep(th), .description.ai-md :deep(td) {
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