diff --git a/src/App.vue b/src/App.vue
index cc813c5..f81e475 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -38,6 +38,15 @@
        仅在主窗口与 ai-detached 窗口挂载(file-explorer / approval-popup 自身不挂)。
        应用失焦/最小化时的系统级提示由 useApprovalPopup 启动的独立浮窗(approval-popup)负责。 -->
   <ApprovalOverlay v-if="showApprovalOverlay" @activate="activateAiPanel" />
+
+  <!-- 人工审批对话框(全局,任意路由响应 store.pendingApproval)。
+       从 ProjectDetail.vue 提至 App.vue,TaskDetail 等无 ApprovalDialog 的页面自动受益。 -->
+  <ApprovalDialog
+    :visible="showApprovalDialog"
+    :store="projectStore"
+    @cancel="handleCancelApproval"
+    @later="showApprovalDialog = false"
+  />
 </template>
 
 <script setup lang="ts">
@@ -50,6 +59,7 @@ import { useAppSettingsStore } from './stores/appSettings'
 import i18n from './i18n'
 import AiChat from './components/AiChat.vue'
 import ApprovalOverlay from './components/ai/ApprovalOverlay.vue'
+import ApprovalDialog from './components/project/ApprovalDialog.vue'
 import ErrorBoundary from './components/ErrorBoundary.vue'
 import AppLayout from './components/layout/AppLayout.vue'
 import { startApprovalPopup } from '@/composables/ai/useApprovalPopup'
@@ -91,6 +101,23 @@ watch(() => projectStore.error, (err) => {
   errorTimer = setTimeout(() => { errorMsg.value = '' }, 3500)
 })
 
+// ── 人工审批对话框(全局,P0-C:工作流推进到 HumanNode 审批时,任意页面都应能响应)──
+// 原 ProjectDetail 局部渲染 → TaskDetail 无 ApprovalDialog 致 store.pendingApproval 被设但
+// 用户在 TaskDetail 页无法操作 → HumanNode 超时失败。提到 App.vue 全局化:任何路由响应审批。
+// (系统级浮窗 useApprovalPopup 是窗口失焦时的提示;此处是聚焦时弹的对话框,二者职责互补)
+const showApprovalDialog = ref(false)
+watch(() => projectStore.pendingApproval, (newApproval) => {
+  if (newApproval) {
+    showApprovalDialog.value = true
+  }
+}, { immediate: true })
+
+// 取消审批(调 cancel_workflow_node IPC 置节点 Cancelled),与原 ProjectDetail.handleCancelApproval 对齐
+async function handleCancelApproval() {
+  await projectStore.cancelHumanApproval()
+  showApprovalDialog.value = false
+}
+
 // 点击菜单自动退出最大化 → 切为分栏模式
 watch(() => route.path, (path) => {
   if (!['/', '/ai-home', '/ai-detached'].includes(path) && aiStore.state.maximized) {
diff --git a/src/components/ideas/IdeaDetail.vue b/src/components/ideas/IdeaDetail.vue
index b5b05d3..b507ce4 100644
--- a/src/components/ideas/IdeaDetail.vue
+++ b/src/components/ideas/IdeaDetail.vue
@@ -322,9 +322,11 @@ const emit = defineEmits<{
   (e: 'promote'): void
   (e: 'delete'): void
   (e: 'status-change', value: IdeaStatus): void
-  (e: 'update-desc', value: string): void
-  (e: 'update-related', ids: string[]): void
-  (e: 'update-tags', tags: string): void
+  // WK-16:返 Promise<boolean> 让子组件 await 知成功/失败。
+  // true=落库成功(关编辑态);false=失败(保持编辑态,toast 由父组件处理)。
+  (e: 'update-desc', value: string): Promise<boolean>
+  (e: 'update-related', ids: string[]): Promise<void>
+  (e: 'update-tags', tags: string): Promise<boolean>
 }>()
 
 const { t } = useI18n()
@@ -341,16 +343,15 @@ function startEdit() {
   editing.value = true
 }
 
-// P1-⑥ saveEdit 改异步:emit 后父组件 store.updateIdea 是 Promise,但 emit 不回传结果;
-// 这里用本地 savingDesc 包裹一个最小延迟窗口(等待父组件 patch 同步 props.idea.description
-// 完成),保证 UI 反馈一致。父组件 updateIdea 失败会 throw 但不冒泡回子组件(沿用既有契约)。
+// P1-⑥ saveEdit 改异步:emit 返回 Promise<boolean>(父组件 store.updateIdea 落库结果),
+// 仅成功时关编辑态;失败保持编辑态 + toast 由父组件处理(WK-16)。
 async function saveEdit() {
   if (savingDesc.value) return
   savingDesc.value = true
   try {
-    emit('update-desc', editDesc.value)
-    editing.value = false
-    // 等下一帧让父组件 patch 生效再释放(微观反馈,失败也释放不卡死)
+    const ok = await emit('update-desc', editDesc.value)
+    if (ok) editing.value = false
+    // 成功后等下一帧让父组件 patch 生效再释放(微观反馈,失败也释放不卡死)
     await nextTick()
   } finally {
     savingDesc.value = false
@@ -501,8 +502,9 @@ async function saveTagsEdit() {
   savingTags.value = true
   try {
     const tags = tagsEditInput.value.split(',').map(t => t.trim()).filter(Boolean)
-    emit('update-tags', JSON.stringify(tags))
-    tagsEditing.value = false
+    // WK-16:emit 返回落库结果,失败保持编辑态(成功才关),toast 由父组件处理
+    const ok = await emit('update-tags', JSON.stringify(tags))
+    if (ok) tagsEditing.value = false
     await nextTick()
   } finally {
     savingTags.value = false
@@ -545,13 +547,42 @@ interface AdversarialEval {
 }
 
 // 对抗式评估数据持久化在 ai_analysis JSON 字段中，前端解析渲染
+//
+// WK-15:旧实现直接 JSON.parse 后强转 AdversarialEval,字段缺失/非数值时
+// 模板对 undefined*100 调 .toFixed 显 NaN,assessmentClass 对 undefined 调
+// .toLowerCase() 崩。这里在解析层补齐数值默认值(防御式归一化),模板直读不二次判空:
+// - 数值字段缺失/非数值 → 0
+// - recommendation/thesis 缺失 → ''(assessmentClass/assessmentLabel 已在源头对空串防御)
+// - 数组字段缺失 → []
 const adversarialEval = computed<AdversarialEval | null>(() => {
   if (!props.idea.ai_analysis) return null
+  let raw: any
   try {
-    return JSON.parse(props.idea.ai_analysis) as AdversarialEval
+    raw = JSON.parse(props.idea.ai_analysis)
   } catch {
     return null
   }
+  if (typeof raw !== 'object' || raw === null) return null
+  const num = (v: unknown): number => typeof v === 'number' && !isNaN(v) ? v : 0
+  const str = (v: unknown): string => typeof v === 'string' ? v : ''
+  const strArr = (v: unknown): string[] => Array.isArray(v) ? v.filter((x): x is string => typeof x === 'string') : []
+  const thesis = (v: unknown): { thesis: string; evidence: string[] } => {
+    const o = (typeof v === 'object' && v !== null) ? v as Record<string, unknown> : {}
+    return { thesis: str(o.thesis), evidence: strArr(o.evidence) }
+  }
+  return {
+    positive_strength: num(raw.positive_strength),
+    negative_strength: num(raw.negative_strength),
+    net_sentiment: num(raw.net_sentiment),
+    recommendation: str(raw.recommendation),
+    final_score: num(raw.final_score),
+    summary: str(raw.summary),
+    action_items: strArr(raw.action_items),
+    positive: thesis(raw.positive),
+    negative: thesis(raw.negative),
+    analyst: { summary: str((typeof raw.analyst === 'object' && raw.analyst !== null ? (raw.analyst as Record<string, unknown>).summary : undefined)) },
+    evaluated_by: typeof raw.evaluated_by === 'string' ? raw.evaluated_by : undefined,
+  }
 })
 
 // 评估深度标签动态化(P0):根据 evaluated_by 字段映射 i18n key
diff --git a/src/i18n/en/auditLog.ts b/src/i18n/en/auditLog.ts
index 9d307c5..44156e2 100644
--- a/src/i18n/en/auditLog.ts
+++ b/src/i18n/en/auditLog.ts
@@ -49,6 +49,13 @@ export default {
     decided: {
       human: 'Human',
       auto: 'Auto',
+      // SA-1: cover all backend decided_by sources (different decision paths, more precise than generic 'auto')
+      auto_trust: 'Auto (trusted)',
+      auto_dedup: 'Auto (deduped)',
+      cache_hit: 'Auto (cached)',
+      auto_blacklist: 'Auto (blacklist)',
+      auto_takeover_medium: 'Auto (med-takeover)',
+      auto_takeover_all: 'Auto (full-takeover)',
     },
     // Tab navigation
     tabAudit: 'Approval History',
@@ -59,5 +66,10 @@ export default {
     convTruncated: 'Content truncated (expand to view full conversation)',
     convSelectHint: '← Select a conversation to view full interaction log',
     convReasoning: 'Reasoning (thinking)',
+    // SA-2: conversation role labels (previously hardcoded Chinese, now i18n)
+    convRoleUser: '🧑 User',
+    convRoleAssistant: '🤖 Assistant',
+    convRoleTool: '🔧 Tool',
+    convRoleSystem: '⚙️ System',
   },
 }
diff --git a/src/i18n/en/ideas.ts b/src/i18n/en/ideas.ts
index 5da5290..cbf039e 100644
--- a/src/i18n/en/ideas.ts
+++ b/src/i18n/en/ideas.ts
@@ -30,6 +30,13 @@ export default {
       relateFailed: 'Failed to update relations',
     },
 
+    // Action feedback toasts (WK-16/18: success/failure light toast, aligns Knowledge.createdToast)
+    createdToast: '✅ Idea created',
+    descSaved: '✅ Description saved',
+    descSaveFailed: 'Failed to save description',
+    tagsSaved: '✅ Tags saved',
+    tagsSaveFailed: 'Failed to save tags',
+
     // Adversarial evaluation
     adversarialTitle: '⚖️ Adversarial Evaluation',
     evalModeHeuristic: 'Heuristic',
diff --git a/src/i18n/zh-CN/auditLog.ts b/src/i18n/zh-CN/auditLog.ts
index edd4294..d41892b 100644
--- a/src/i18n/zh-CN/auditLog.ts
+++ b/src/i18n/zh-CN/auditLog.ts
@@ -49,6 +49,13 @@ export default {
     decided: {
       human: '人工',
       auto: '自动',
+      // SA-1:补齐后端 decided_by 全部来源(审计记录不同决策路径,精确区分而非笼统 'auto')
+      auto_trust: '自动(信任)',
+      auto_dedup: '自动(去重)',
+      cache_hit: '自动(缓存)',
+      auto_blacklist: '自动(黑名单)',
+      auto_takeover_medium: '自动(中风险接管)',
+      auto_takeover_all: '自动(全接管)',
     },
     // Tab 导航
     tabAudit: '审批历史',
@@ -59,5 +66,10 @@ export default {
     convTruncated: '内容过长已截断(展开查看完整对话)',
     convSelectHint: '← 选择左侧一次对话查看完整交互日志',
     convReasoning: '推理过程(thinking)',
+    // SA-2:对话角色标签(原硬编码 '🧑 用户' 等,现 i18n 化)
+    convRoleUser: '🧑 用户',
+    convRoleAssistant: '🤖 助手',
+    convRoleTool: '🔧 工具',
+    convRoleSystem: '⚙️ 系统',
   },
 }
diff --git a/src/i18n/zh-CN/ideas.ts b/src/i18n/zh-CN/ideas.ts
index 33b0bbf..6e9ed4e 100644
--- a/src/i18n/zh-CN/ideas.ts
+++ b/src/i18n/zh-CN/ideas.ts
@@ -30,6 +30,13 @@ export default {
       relateFailed: '更新关联关系失败',
     },
 
+    // 操作反馈 toast(WK-16/18:成功/失败轻提示,对齐 Knowledge.createdToast)
+    createdToast: '✅ 灵感已创建',
+    descSaved: '✅ 描述已保存',
+    descSaveFailed: '描述保存失败',
+    tagsSaved: '✅ 标签已保存',
+    tagsSaveFailed: '标签保存失败',
+
     // 对抗式评估
     adversarialTitle: '⚖️ 对抗式评估',
     evalModeHeuristic: '启发式',
diff --git a/src/utils/ideaEval.ts b/src/utils/ideaEval.ts
index 7632b10..ca03f2a 100644
--- a/src/utils/ideaEval.ts
+++ b/src/utils/ideaEval.ts
@@ -62,21 +62,29 @@ const ASSESSMENT_CLASS_MAP: Record<string, string> = {
 
 /**
  * recommendation 字符串 → CSS badge 类。
- * 未知值回退到 'conditional'(中性,对齐原两处实现)。
+ * 未知值(或非字符串/空)回退到 'conditional'(中性,对齐原两处实现)。
+ *
+ * WK-15:旧实现对 undefined/null 调 `.toLowerCase()` 崩。对抗评估 ai_analysis
+ * 可能未生成 recommendation 字段(老数据/降级),调用方传值时也可能漏判空。
+ * 这里在源头做防御:非字符串/空串统一回退 conditional。
  */
-export function assessmentClass(recommendation: string): string {
+export function assessmentClass(recommendation: string | null | undefined): string {
+  if (typeof recommendation !== 'string' || recommendation.length === 0) return 'conditional'
   return ASSESSMENT_CLASS_MAP[recommendation.toLowerCase()] ?? 'conditional'
 }
 
 /**
  * recommendation 字符串 → i18n 本地化标签。
  * 命中 ideas.assessment.{recommendation} 则返回译文,否则回退到原始 recommendation。
+ *
+ * WK-15:非字符串/空 → 回退占位符 '—'(避免模板渲染 undefined),与详情页其他空值一致。
  * @param t vue-i18n 的 t 函数(useI18n().t),由调用方注入避免本模块耦合 i18n 实例
  */
 export function assessmentLabel(
   t: ComposerTranslation,
-  recommendation: string,
+  recommendation: string | null | undefined,
 ): string {
+  if (typeof recommendation !== 'string' || recommendation.length === 0) return '—'
   const key = `ideas.assessment.${recommendation}`
   const translated = t(key)
   return translated === key ? recommendation : translated
diff --git a/src/views/AuditLog.vue b/src/views/AuditLog.vue
index d173fc3..ab9fc5b 100644
--- a/src/views/AuditLog.vue
+++ b/src/views/AuditLog.vue
@@ -133,7 +133,7 @@
         <div v-for="(msg, mi) in convMessages" :key="mi" class="conv-msg" :class="'conv-msg--' + msg.role">
           <!-- 头部:角色 + model + 时间 + token -->
           <div class="conv-msg-head">
-            <span class="conv-msg-role">{{ msg.role === 'user' ? '🧑 用户' : msg.role === 'assistant' ? '🤖 助手' : msg.role === 'tool' ? '🔧 工具' : '⚙️ 系统' }}</span>
+            <span class="conv-msg-role">{{ convRoleLabel(msg.role) }}</span>
             <span v-if="msg.model" class="conv-msg-model">{{ msg.model }}</span>
             <span v-if="msg.tool_call_id" class="conv-msg-toolname">tool_call: {{ msg.tool_call_id }}</span>
             <span v-if="msg.timestamp" class="conv-msg-time">{{ formatDate(msg.timestamp) }}</span>
@@ -419,6 +419,15 @@ function decidedClass(d: string): string {
   return d === 'human' ? 'decided-human' : 'decided-auto'
 }
 
+// SA-2:对话角色 i18n 化(原硬编码 '🧑 用户'/'🤖 助手'/'🔧 工具'/'⚙️ 系统' 不随 locale)
+// user/assistant/tool 映射固定 key,其他未知 role 回退到 '⚙️ 系统'(含 emoji,与其他四态视觉一致)
+function convRoleLabel(role: string): string {
+  if (role === 'user') return t('auditLog.convRoleUser')
+  if (role === 'assistant') return t('auditLog.convRoleAssistant')
+  if (role === 'tool') return t('auditLog.convRoleTool')
+  return t('auditLog.convRoleSystem')
+}
+
 onMounted(() => {
   void load()
   if (activeTab.value === 'conversations') void loadConversations()
diff --git a/src/views/Ideas.vue b/src/views/Ideas.vue
index 1e9134a..99fe619 100644
--- a/src/views/Ideas.vue
+++ b/src/views/Ideas.vue
@@ -362,14 +362,18 @@ async function confirmCapture() {
   try {
     // tags 逗号分隔 → JSON 字符串(对标 KnowledgeDetail.vue saveEdit split+trim+filter 模式)
     const tags = newIdeaTags.value.split(',').map(t => t.trim()).filter(Boolean)
-    await store.createIdea({
+    const created = await store.createIdea({
       title: newIdeaTitle.value.trim(),
       description: newIdeaDesc.value.trim() || undefined,
       priority: newIdeaPriority.value,
       tags: JSON.stringify(tags),
       source: newIdeaSource.value.trim() || undefined,
     })
-    showCaptureModal.value = false
+    // WK-18:createIdea 返 null=失败(state.error 已置,顶部 error-banner 展示);成功关弹窗 + toast
+    if (created) {
+      showCaptureModal.value = false
+      Message.success(t('ideas.createdToast'))
+    }
   } finally {
     creating.value = false
   }
@@ -449,9 +453,17 @@ async function onStatusChange(newStatus: IdeaStatus) {
 }
 
 // 接收 IdeaDetail 子组件 emit 的 'update-desc'(描述编辑保存)
-async function onUpdateDesc(desc: string) {
-  if (!currentIdea.value) return
-  await store.updateIdea(currentIdea.value.id, 'description', desc)
+// WK-16:返 boolean(成功 true/失败 false),失败 toast;子组件据 false 保持编辑态。
+async function onUpdateDesc(desc: string): Promise<boolean> {
+  if (!currentIdea.value) return false
+  try {
+    await store.updateIdea(currentIdea.value.id, 'description', desc)
+    Message.success(t('ideas.descSaved'))
+    return true
+  } catch (e: any) {
+    Message.error(e?.toString() ?? t('ideas.descSaveFailed'))
+    return false
+  }
 }
 
 // 接收 IdeaDetail 子组件 emit 的 'update-related'(关联灵感编辑保存,双向同步)
@@ -463,9 +475,17 @@ async function onUpdateRelated(ids: string[]) {
 }
 
 // 接收 IdeaDetail 子组件 emit 的 'update-tags'(标签编辑保存)
-async function onUpdateTags(tags: string) {
-  if (!currentIdea.value) return
-  await store.updateIdea(currentIdea.value.id, 'tags', tags)
+// WK-16:返 boolean(成功 true/失败 false),失败 toast;子组件据 false 保持编辑态。
+async function onUpdateTags(tags: string): Promise<boolean> {
+  if (!currentIdea.value) return false
+  try {
+    await store.updateIdea(currentIdea.value.id, 'tags', tags)
+    Message.success(t('ideas.tagsSaved'))
+    return true
+  } catch (e: any) {
+    Message.error(e?.toString() ?? t('ideas.tagsSaveFailed'))
+    return false
+  }
 }
 
 onMounted(async () => {
diff --git a/src/views/ProjectDetail.vue b/src/views/ProjectDetail.vue
index d033673..fc4910c 100644
--- a/src/views/ProjectDetail.vue
+++ b/src/views/ProjectDetail.vue
@@ -359,14 +359,6 @@
       </section>
     </div>
 
-    <!-- 人工审批对话框(抽离至 components/project/ApprovalDialog.vue)-->
-    <ApprovalDialog
-      :visible="showApprovalDialog"
-      :store="store"
-      @cancel="handleCancelApproval"
-      @later="showApprovalDialog = false"
-    />
-
     <!-- 确认弹层（删除/重定位确认，替代原生 window.confirm/alert） -->
     <ConfirmDialog :visible="confirmState.visible" :msg="confirmState.msg" :danger-label="confirmState.dangerLabel" @result="answerConfirm" />
 
@@ -429,7 +421,6 @@ import { parseStack } from '@/utils/project'
 import { parseScores as parseScoresJson, assessmentClass, assessmentLabel as assessmentLabelI18n, scoreTier } from '@/utils/ideaEval'
 import { projectStatusLabel, taskStatusLabel, taskStatusClass } from '../constants/project'
 import ConfirmDialog from '@/components/ConfirmDialog.vue'
-import ApprovalDialog from '@/components/project/ApprovalDialog.vue'
 import FileExplorer from '@/components/project/FileExplorer.vue'
 import DependencyGraph from '@/components/project/DependencyGraph.vue'
 import WorkflowDagDisplay from '@/components/workflow/WorkflowDagDisplay.vue'
@@ -442,7 +433,6 @@ const router = useRouter()
 const store = useProjectStore()
 const { t, locale } = useI18n()
 const logListRef = ref<HTMLElement | null>(null)
-const showApprovalDialog = ref(false)
 
 // A1[PD-P1-4]:任务列表随 AI 改动刷新 —— 本地 df-data-changed 监听(entity=task)重拉 loadProjectTasks。
 // 对齐 TaskDetail B-260616-18 模式:onMounted 注册、onBeforeUnmount 释放;连发事件防抖合并,
@@ -876,12 +866,8 @@ async function handleImportDir() {
 // 审批对话框 UI + 单/多选决策逻辑抽离至 components/project/ApprovalDialog.vue
 // handleApproval/handleApprovalMulti/isMultipleSelect/multiDecisions 已迁移;
 // submitting(UX-260618-17)在子组件自治,父级 submitting 仅用于 submitNewTask
-
-// ── 取消审批（调 cancel_workflow_node IPC 置节点 Cancelled）──
-async function handleCancelApproval() {
-  await store.cancelHumanApproval()
-  showApprovalDialog.value = false
-}
+// P0-C:ApprovalDialog + watch pendingApproval + handleCancelApproval 已提至 App.vue(全局),
+// TaskDetail 等无 ApprovalDialog 的页面自动受益(原局部渲染致 HumanNode 超时失败)
 
 // ── 删除项目(软删 → 回收站,可恢复)──
 async function handleDelete() {
@@ -897,13 +883,6 @@ watch(formattedEvents, () => {
   if (logListRef.value) logListRef.value.scrollTop = logListRef.value.scrollHeight
 })
 
-// 监听审批请求(pendingApproval → 开弹窗;多选清空已在 ApprovalDialog 内 watch)
-watch(() => store.pendingApproval, (newApproval) => {
-  if (newApproval) {
-    showApprovalDialog.value = true
-  }
-}, { immediate: true })
-
 // ── 工具函数 ──
 // formatDate 由 ../utils/time 提供（统一毫秒字符串解析，根治 Invalid Date）