diff --git a/frontend/src/modules/project/api/index.ts b/frontend/src/modules/project/api/index.ts
index e69de29..aa06d75 100644
--- a/frontend/src/modules/project/api/index.ts
+++ b/frontend/src/modules/project/api/index.ts
@@ -0,0 +1,25 @@
+import api from '@/shared/api'
+import type { Project } from '@/shared/types/api'
+
+export async function listProjects(): Promise<Project[]> {
+  const { data } = await api.get<Project[]>('/projects')
+  return data
+}
+
+export async function createProject(name: string, designDir: string, codeDir?: string): Promise<Project> {
+  const { data } = await api.post<Project>('/projects', {
+    name,
+    design_dir: designDir,
+    code_dir: codeDir || null,
+  })
+  return data
+}
+
+export async function getProject(id: string): Promise<Project> {
+  const { data } = await api.get<Project>(`/projects/${id}`)
+  return data
+}
+
+export async function deleteProject(id: string): Promise<void> {
+  await api.delete(`/projects/${id}`)
+}
diff --git a/frontend/src/modules/project/components/ProjectList.vue b/frontend/src/modules/project/components/ProjectList.vue
index e69de29..c28ba19 100644
--- a/frontend/src/modules/project/components/ProjectList.vue
+++ b/frontend/src/modules/project/components/ProjectList.vue
@@ -0,0 +1,75 @@
+<template>
+  <div class="project-list">
+    <h1>项目管理</h1>
+
+    <div class="add-section">
+      <button class="primary" @click="showForm = !showForm">
+        {{ showForm ? '取消' : '添加项目' }}
+      </button>
+      <form v-if="showForm" class="card add-form" @submit.prevent="handleCreate">
+        <input v-model="form.name" placeholder="项目名称" required />
+        <input v-model="form.designDir" placeholder="设计目录路径" required />
+        <input v-model="form.codeDir" placeholder="代码目录路径（可选）" />
+        <button type="submit" class="primary" :disabled="loading">创建</button>
+        <p v-if="error" class="error">{{ error }}</p>
+      </form>
+    </div>
+
+    <div v-if="loading && projects.length === 0" class="loading">加载中...</div>
+    <div v-if="!loading && projects.length === 0" class="empty">暂无项目，点击"添加项目"开始</div>
+
+    <ProjectOverview
+      v-for="p in projects"
+      :key="p.id"
+      :project="p"
+      @click="goToProject(p.id)"
+      @delete="handleDelete"
+    />
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, onMounted } from 'vue'
+import { useRouter } from 'vue-router'
+import { storeToRefs } from 'pinia'
+import { useProjectStore } from '../composables/useProject'
+import ProjectOverview from './ProjectOverview.vue'
+
+const store = useProjectStore()
+const { projects, loading, error } = storeToRefs(store)
+const router = useRouter()
+
+const showForm = ref(false)
+const form = ref({ name: '', designDir: '', codeDir: '' })
+
+onMounted(() => { store.fetchProjects() })
+
+async function handleCreate() {
+  try {
+    const project = await store.createProject(form.value.name, form.value.designDir, form.value.codeDir || undefined)
+    showForm.value = false
+    form.value = { name: '', designDir: '', codeDir: '' }
+    router.push(`/projects/${project.id}`)
+  } catch { /* error handled in store */ }
+}
+
+function goToProject(id: string) {
+  store.selectProject(id)
+  router.push(`/projects/${id}`)
+}
+
+async function handleDelete(id: string) {
+  if (confirm('确认删除该项目？')) {
+    await store.removeProject(id)
+  }
+}
+</script>
+
+<style scoped>
+h1 { margin-bottom: 16px; }
+.add-section { margin-bottom: 16px; }
+.add-form { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
+.empty { color: #999; padding: 24px; text-align: center; }
+.loading { color: #999; padding: 24px; text-align: center; }
+.error { color: #F44336; font-size: 13px; }
+</style>
diff --git a/frontend/src/modules/project/components/ProjectOverview.vue b/frontend/src/modules/project/components/ProjectOverview.vue
index e69de29..b5ffb48 100644
--- a/frontend/src/modules/project/components/ProjectOverview.vue
+++ b/frontend/src/modules/project/components/ProjectOverview.vue
@@ -0,0 +1,25 @@
+<template>
+  <div class="card project-card">
+    <div class="project-header">
+      <h3>{{ project.name }}</h3>
+      <button class="danger" @click.stop="$emit('delete', project.id)">删除</button>
+    </div>
+    <p class="meta">{{ project.design_dir }}</p>
+    <p class="meta">创建于 {{ new Date(project.created_at).toLocaleDateString() }}</p>
+  </div>
+</template>
+
+<script setup lang="ts">
+import type { Project } from '@/shared/types/api'
+
+defineProps<{ project: Project }>()
+defineEmits<{ delete: [id: string] }>()
+</script>
+
+<style scoped>
+.project-card { cursor: pointer; }
+.project-card:hover { border-color: #1976D2; }
+.project-header { display: flex; justify-content: space-between; align-items: center; }
+.project-header h3 { font-size: 16px; }
+.meta { font-size: 13px; color: #666; margin-top: 4px; }
+</style>
diff --git a/frontend/src/modules/project/components/ProjectSidebar.vue b/frontend/src/modules/project/components/ProjectSidebar.vue
new file mode 100644
index 0000000..2e7da79
--- /dev/null
+++ b/frontend/src/modules/project/components/ProjectSidebar.vue
@@ -0,0 +1,41 @@
+<template>
+  <div class="project-sidebar">
+    <div v-if="loading" class="loading">加载中...</div>
+    <div v-for="p in projects" :key="p.id" class="project-item" :class="{ active: currentProject?.id === p.id }" @click="goToProject(p.id)">
+      <span class="project-name">{{ p.name }}</span>
+    </div>
+    <div v-if="!loading && projects.length === 0" class="empty">暂无项目</div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { onMounted } from 'vue'
+import { useRouter } from 'vue-router'
+import { storeToRefs } from 'pinia'
+import { useProjectStore } from '../composables/useProject'
+
+const store = useProjectStore()
+const { projects, currentProject, loading } = storeToRefs(store)
+const router = useRouter()
+
+onMounted(() => { store.fetchProjects() })
+
+function goToProject(id: string) {
+  store.selectProject(id)
+  router.push(`/projects/${id}`)
+}
+</script>
+
+<style scoped>
+.project-item {
+  padding: 8px 12px;
+  border-radius: 4px;
+  cursor: pointer;
+  margin-bottom: 4px;
+}
+.project-item:hover { background: #f0f0f0; }
+.project-item.active { background: #e3f2fd; color: #1976D2; }
+.project-name { font-size: 14px; }
+.empty { color: #999; font-size: 13px; padding: 8px; }
+.loading { color: #999; font-size: 13px; padding: 8px; }
+</style>
diff --git a/frontend/src/modules/project/composables/useProject.ts b/frontend/src/modules/project/composables/useProject.ts
index e69de29..ea9f514 100644
--- a/frontend/src/modules/project/composables/useProject.ts
+++ b/frontend/src/modules/project/composables/useProject.ts
@@ -0,0 +1,59 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+import type { Project } from '@/shared/types/api'
+import * as projectApi from '../api'
+
+export const useProjectStore = defineStore('project', () => {
+  const projects = ref<Project[]>([])
+  const currentProject = ref<Project | null>(null)
+  const loading = ref(false)
+  const error = ref<string | null>(null)
+
+  async function fetchProjects() {
+    loading.value = true
+    error.value = null
+    try {
+      projects.value = await projectApi.listProjects()
+    } catch (e: any) {
+      error.value = e.message
+    } finally {
+      loading.value = false
+    }
+  }
+
+  async function createProject(name: string, designDir: string, codeDir?: string) {
+    loading.value = true
+    error.value = null
+    try {
+      const project = await projectApi.createProject(name, designDir, codeDir)
+      projects.value.push(project)
+      return project
+    } catch (e: any) {
+      error.value = e.response?.data?.detail || e.message
+      throw e
+    } finally {
+      loading.value = false
+    }
+  }
+
+  async function selectProject(id: string) {
+    loading.value = true
+    try {
+      currentProject.value = await projectApi.getProject(id)
+    } catch (e: any) {
+      error.value = e.message
+    } finally {
+      loading.value = false
+    }
+  }
+
+  async function removeProject(id: string) {
+    await projectApi.deleteProject(id)
+    projects.value = projects.value.filter(p => p.id !== id)
+    if (currentProject.value?.id === id) {
+      currentProject.value = null
+    }
+  }
+
+  return { projects, currentProject, loading, error, fetchProjects, createProject, selectProject, removeProject }
+})
diff --git a/frontend/src/modules/project/types/index.ts b/frontend/src/modules/project/types/index.ts
index e69de29..4a938e7 100644
--- a/frontend/src/modules/project/types/index.ts
+++ b/frontend/src/modules/project/types/index.ts
@@ -0,0 +1 @@
+export type { Project } from '@/shared/types/api'