diff --git a/crates/df-ai/src/openai_helpers.rs b/crates/df-ai/src/openai_helpers.rs
index 4107389..467eb95 100644
--- a/crates/df-ai/src/openai_helpers.rs
+++ b/crates/df-ai/src/openai_helpers.rs
@@ -208,6 +208,14 @@ pub(crate) fn apply_openai_sse(data: &str, usage_accum: &mut Option<TokenUsage>)
             }
             // 提取 usage（带 include_usage 时末段 chunk 携带，覆盖累积）
             if let Some(u) = chunk.usage {
+                tracing::info!(
+                    prompt = u.prompt_tokens,
+                    completion = u.completion_tokens,
+                    cache_hit = u.prompt_cache_hit_tokens,
+                    cache_miss = u.prompt_cache_miss_tokens,
+                    reasoning = u.reasoning_tokens,
+                    "[OpenAI] 末 chunk usage 解析(deepseek 等报 cache)"
+                );
                 *usage_accum = Some(TokenUsage {
                     prompt_tokens: u.prompt_tokens,
                     completion_tokens: u.completion_tokens,
diff --git a/src/components/project/ProjectCard.vue b/src/components/project/ProjectCard.vue
index c67784e..2e29c1f 100644
--- a/src/components/project/ProjectCard.vue
+++ b/src/components/project/ProjectCard.vue
@@ -176,8 +176,8 @@ watch(() => props.view, () => nextTick(measureDesc))
 }
 .card-desc-toggle:hover { text-decoration: underline; }
 
-/* list 视图:更紧凑的内边距,单屏容纳更多卡片 */
-.project-card--list { padding: calc(var(--df-pad-panel) * 0.7); }
+/* list 视图:padding 同 card(1× panel,文字不贴边);list 紧凑靠 line-clamp 2 + grid 单列,不靠缩 padding */
+.project-card--list { padding: var(--df-pad-panel); }
 
 .card-footer {
   display: flex;
diff --git a/src/i18n/en/projectDetail.ts b/src/i18n/en/projectDetail.ts
index 969518c..a068863 100644
--- a/src/i18n/en/projectDetail.ts
+++ b/src/i18n/en/projectDetail.ts
@@ -68,6 +68,8 @@ export default {
     approvalInvert: 'Invert',
     // Tech stack
     techStackLabel: 'Tech Stack',
+    // Module list (multi-module read-only display)
+    modulesLabel: 'Modules ({n})',
     // Tab navigation
     tabOverview: '📋 Overview',
   },
diff --git a/src/i18n/zh-CN/projectDetail.ts b/src/i18n/zh-CN/projectDetail.ts
index 353a667..d9cd264 100644
--- a/src/i18n/zh-CN/projectDetail.ts
+++ b/src/i18n/zh-CN/projectDetail.ts
@@ -68,6 +68,8 @@ export default {
     approvalInvert: '反选',
     // 技术栈
     techStackLabel: '技术栈',
+    // 工程列表(多工程只读展示)
+    modulesLabel: '工程({n})',
     // Tab 导航
     tabOverview: '📋 概览',
   },
diff --git a/src/views/ProjectDetail.vue b/src/views/ProjectDetail.vue
index f8fa581..7b8e7bb 100644
--- a/src/views/ProjectDetail.vue
+++ b/src/views/ProjectDetail.vue
@@ -117,6 +117,17 @@
             </span>
           </div>
 
+          <!-- 工程列表(多工程只读展示;CRUD 在文件 Tab) -->
+          <div class="info-item" v-if="modules.length">
+            <span class="label">{{ $t('projectDetail.modulesLabel', { n: modules.length }) }}</span>
+            <div class="module-list-overview">
+              <div v-for="m in modules" :key="m.id" class="module-row-overview">
+                <span class="module-name-overview">{{ m.name }}</span>
+                <span class="module-path-overview" :title="m.path">{{ m.path }}</span>
+              </div>
+            </div>
+          </div>
+
           <!-- 技术栈 -->
           <div class="info-item" v-if="parseStack(currentProject.stack).length">
             <span class="label">{{ $t('projectDetail.techStackLabel') }}</span>
@@ -291,6 +302,7 @@ import { Message } from '@arco-design/web-vue'
 import { open } from '@tauri-apps/plugin-dialog'
 import { useProjectStore } from '@/stores/project'
 import { projectApi, taskApi } from '@/api'
+import { moduleApi, type ProjectModuleRecord } from '@/api/module'
 import { formatDate } from '@/utils/time'
 import { parseStack } from '@/utils/project'
 import { parseScores as parseScoresJson, assessmentClass, assessmentLabel as assessmentLabelI18n, scoreTier } from '@/utils/ideaEval'
@@ -419,6 +431,18 @@ async function loadProjectTasks() {
 }
 // taskStatusLabel / taskStatusClass 由 ../constants/project 提供
 
+// ── 工程列表(只读展示)──
+// 多工程(monorepo/多模块)在 FileExplorer 文件 Tab 内 CRUD,概览仅按 project_id 拉取展示。
+// 0 工程 v-if 隐藏,单工程也显(与多工程同列表)。
+const modules = ref<ProjectModuleRecord[]>([])
+async function loadModules() {
+  try {
+    modules.value = await moduleApi.listProjectModules(projectId.value)
+  } catch {
+    modules.value = []
+  }
+}
+
 // ── 工作流 ──
 // demoDag + runDemoWorkflow 已下线（R-PD-2）："script" 节点不再注册到 NodeRegistry，
 // 前端构造含 script 节点的 DagDef 会在后端 build_dag 失败报错。
@@ -592,6 +616,8 @@ onMounted(async () => {
   await store.loadProjects()
   // 本项目任务独立拉取(不调 store.loadTasks,避免被 Tasks 视图分页/筛选污染)
   await loadProjectTasks()
+  // 工程列表独立拉取(FileExplorer 文件 Tab 内 CRUD,概览只读展示)
+  await loadModules()
   // 来源灵感回溯:项目有 idea_id 但 store.ideas 为空(本页未 load 过)时补拉,
   // 否则 sourceIdea computed 永远找不到对应灵感记录
   await store.loadIdeas()
@@ -604,6 +630,7 @@ watch(projectId, async (newId) => {
   if (!newId) return
   activeTab.value = readStoredTab(newId)
   await loadProjectTasks()
+  await loadModules()
 })
 
 // 目录变更(重定位后)重新检测存在性
@@ -650,6 +677,36 @@ onUnmounted(() => {
   font-style: italic;
 }
 
+/* ===== 工程列表(概览只读展示;对齐 .info-item label固定宽 + value) ===== */
+.module-list-overview {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+  flex: 1;
+  min-width: 0;
+}
+.module-row-overview {
+  display: flex;
+  align-items: baseline;
+  gap: 8px;
+  min-width: 0;
+}
+.module-name-overview {
+  font-size: 13px;
+  color: var(--df-text);
+  font-weight: 500;
+  flex-shrink: 0;
+}
+.module-path-overview {
+  font-size: 12px;
+  font-family: 'SF Mono', 'Fira Code', monospace;
+  color: var(--df-text-dim);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  min-width: 0;
+}
+
 .status-badge {
   display: inline-block;
   padding: 2px 8px;