feat: 项目管理与项目聊天

.ai-project/state.yaml

@@ -2,7 +2,7 @@
 项目: "Great Agent 2"
 版本: "0.3.0"
 当前阶段: "纵向功能开发"
-更新时间: "2026-08-12"
+更新时间: "2026-08-13"
 阻塞: null
 
 阶段门:
@@ -29,10 +29,10 @@
     状态: "已完成"
   - 编号: "F-002"
     名称: "Agent Core 与 DeepSeek 流式回复"
-    状态: "待用户查看"
+    状态: "已完成"
   - 编号: "F-003"
     名称: "项目管理与项目聊天"
-    状态: "待开始"
+    状态: "待用户查看"
   - 编号: "F-004"
     名称: "用户交互卡片"
     状态: "待开始"

apps/web-server/src/composition/create-app.ts

@@ -7,15 +7,18 @@ import { createConversationRoutes } from "../routes/conversations";
 import type {
   AgentRunService,
   ConversationService,
+  ProjectService,
 } from "@great-agent/agent-core";
 import type { RunRegistry } from "./run-registry";
 import { createRunRoutes } from "../routes/runs";
+import { createProjectRoutes } from "../routes/projects";
 
 export function createApp(
   logger: Logger,
   conversations?: ConversationService,
   runs?: AgentRunService,
   runRegistry?: RunRegistry,
+  projects?: ProjectService,
 ): Hono {
   const app = new Hono();
   app.use("*", requestId);
@@ -24,5 +27,7 @@ export function createApp(
   if (conversations) app.route("/api", createConversationRoutes(conversations));
   if (runs && runRegistry)
     app.route("/api", createRunRoutes(runs, runRegistry));
+  if (projects && conversations)
+    app.route("/api", createProjectRoutes(projects, conversations));
   return app;
 }

apps/web-server/src/http/error-handler.ts

@@ -19,7 +19,13 @@ export function createErrorHandler(logger: Logger): ErrorHandler {
       );
     }
     if (error instanceof CoreError) {
-      const status = error.code === "CONVERSATION_NOT_FOUND" ? 404 : 400;
+      const status =
+        error.code === "CONVERSATION_NOT_FOUND" ||
+        error.code === "PROJECT_NOT_FOUND"
+          ? 404
+          : error.code === "PROJECT_RUN_ACTIVE"
+            ? 409
+            : 400;
       return context.json(
         { error: { code: error.code, message: error.message, requestId } },
         status,

apps/web-server/src/index.ts

@@ -2,12 +2,14 @@ import { resolve } from "node:path";
 import {
   FileConversationRepository,
   FileRunRepository,
+  FileProjectRepository,
   createDataLayout,
   ensureDataLayout,
 } from "@great-agent/local-data";
 import {
   AgentRunService,
   ConversationService,
+  ProjectService,
   CoreError,
   type ModelPort,
 } from "@great-agent/agent-core";
@@ -17,19 +19,30 @@ import { createLogger } from "./composition/create-logger";
 import { mountStaticWeb } from "./composition/static-web";
 import { loadEnvironment } from "./config/environment";
 import { RunRegistry } from "./composition/run-registry";
+import { LocalWorkspaceResolver } from "@great-agent/local-files";
 
 const environment = loadEnvironment();
 const logger = createLogger(environment.logLevel);
 const layout = createDataLayout(environment.dataDir);
 await ensureDataLayout(layout);
 
-const conversations = new ConversationService({
-  conversations: new FileConversationRepository(layout),
-  clock: { now: () => new Date() },
-  ids: { create: () => crypto.randomUUID() },
-});
 const clock = { now: () => new Date() };
 const ids = { create: () => crypto.randomUUID() };
+const conversationRepository = new FileConversationRepository(layout);
+const runRepository = new FileRunRepository(layout);
+const conversations = new ConversationService({
+  conversations: conversationRepository,
+  clock,
+  ids,
+});
+const projects = new ProjectService({
+  projects: new FileProjectRepository(layout),
+  conversations: conversationRepository,
+  runs: runRepository,
+  workspaces: new LocalWorkspaceResolver(),
+  clock,
+  ids,
+});
 const model: ModelPort = environment.deepSeekApiKey
   ? new DeepSeekModelAdapter({
       apiKey: environment.deepSeekApiKey,
@@ -48,11 +61,12 @@ const model: ModelPort = environment.deepSeekApiKey
 const runs = new AgentRunService(
   conversations,
   model,
-  new FileRunRepository(layout),
+  runRepository,
   clock,
   ids,
+  projects,
 );
-const app = createApp(logger, conversations, runs, new RunRegistry());
+const app = createApp(logger, conversations, runs, new RunRegistry(), projects);
 mountStaticWeb(app, resolve(import.meta.dir, "../../web/dist"));
 
 logger.info(

apps/web-server/src/routes/conversations.test.ts

@@ -12,6 +12,15 @@ class MemoryRepository implements ConversationRepository {
   async listRecent() {
     return [...this.values.values()];
   }
+  async listByProject(projectId: string) {
+    return [...this.values.values()].filter(
+      (value) => value.projectId === projectId,
+    );
+  }
+  async deleteByProject(projectId: string) {
+    for (const [id, value] of this.values)
+      if (value.projectId === projectId) this.values.delete(id);
+  }
   async getById(id: string) {
     return this.values.get(id) ?? null;
   }

apps/web-server/src/routes/projects.ts

@@ -0,0 +1,43 @@
+import { Hono } from "hono";
+import type {
+  ConversationService,
+  ProjectService,
+} from "@great-agent/agent-core";
+import {
+  createProjectRequestSchema,
+  renameProjectRequestSchema,
+} from "@great-agent/web-contracts";
+
+export function createProjectRoutes(
+  projects: ProjectService,
+  conversations: ConversationService,
+): Hono {
+  const routes = new Hono();
+  routes.get("/projects", async (context) =>
+    context.json(await projects.list()),
+  );
+  routes.post("/projects", async (context) => {
+    const input = createProjectRequestSchema.parse(await context.req.json());
+    return context.json(
+      await projects.create(input.name, input.workspaceRoot),
+      201,
+    );
+  });
+  routes.get("/projects/:id/conversations", async (context) => {
+    await projects.get(context.req.param("id"));
+    return context.json(
+      await conversations.listByProject(context.req.param("id")),
+    );
+  });
+  routes.patch("/projects/:id", async (context) => {
+    const input = renameProjectRequestSchema.parse(await context.req.json());
+    return context.json(
+      await projects.rename(context.req.param("id"), input.name),
+    );
+  });
+  routes.delete("/projects/:id", async (context) => {
+    await projects.delete(context.req.param("id"));
+    return context.body(null, 204);
+  });
+  return routes;
+}

apps/web-server/src/routes/runs.test.ts

@@ -8,15 +8,31 @@ import type {
   RunEvent,
   RunRepository,
 } from "@great-agent/agent-core";
-import { AgentRunService, ConversationService } from "@great-agent/agent-core";
+import {
+  AgentRunService,
+  ConversationService,
+  type ProjectService,
+} from "@great-agent/agent-core";
 import { createApp } from "../composition/create-app";
 import { RunRegistry } from "../composition/run-registry";
 
+const projects = {
+  requireAvailable: async () => {
+    throw new Error("unused");
+  },
+} as unknown as ProjectService;
+
 class Conversations implements ConversationRepository {
   value: Conversation | null = null;
   async listRecent() {
     return this.value ? [this.value] : [];
   }
+  async listByProject(projectId: string) {
+    return this.value?.projectId === projectId ? [this.value] : [];
+  }
+  async deleteByProject(projectId: string) {
+    if (this.value?.projectId === projectId) this.value = null;
+  }
   async getById(id: string) {
     return this.value?.id === id ? this.value : null;
   }
@@ -48,6 +64,10 @@ class Runs implements RunRepository {
   async listEvents(runId: string) {
     return this.events.filter((event) => event.runId === runId);
   }
+  async hasActiveForConversations() {
+    return false;
+  }
+  async deleteByConversations() {}
 }
 
 describe("Run HTTP 与 SSE", () => {
@@ -71,6 +91,7 @@ describe("Run HTTP 与 SSE", () => {
       new Runs(),
       { now: () => new Date("2026-08-12T00:00:00.000Z") },
       { create: () => `id_${++id}` },
+      projects,
     );
     const app = createApp(
       pino({ enabled: false }),

apps/web/src/api/conversations.ts

@@ -4,6 +4,7 @@ import {
   type ConversationResponse,
   type ConversationSummaryResponse,
 } from "@great-agent/web-contracts";
+import { request } from "./request";
 
 export async function listConversations(): Promise<
   ConversationSummaryResponse[]
@@ -21,26 +22,14 @@ export async function getConversation(
   );
 }
 
-async function request(path: string, init?: RequestInit): Promise<unknown> {
-  const response = await fetch(path, {
-    ...init,
-    headers: { "content-type": "application/json", ...init?.headers },
-  });
-  const value = await response.json();
-  if (!response.ok) throw new Error(readErrorMessage(value));
-  return value;
-}
-
-function readErrorMessage(value: unknown): string {
-  if (typeof value === "object" && value && "error" in value) {
-    const error = value.error;
-    if (
-      typeof error === "object" &&
-      error &&
-      "message" in error &&
-      typeof error.message === "string"
-    )
-      return error.message;
-  }
-  return "请求失败，请稍后重试";
+export async function listProjectConversations(
+  projectId: string,
+): Promise<ConversationSummaryResponse[]> {
+  return conversationSummarySchema
+    .array()
+    .parse(
+      await request(
+        `/api/projects/${encodeURIComponent(projectId)}/conversations`,
+      ),
+    );
 }

apps/web/src/api/projects.ts

@@ -0,0 +1,39 @@
+import {
+  projectSchema,
+  type ProjectResponse,
+} from "@great-agent/web-contracts";
+import { request } from "./request";
+
+export async function listProjects(): Promise<ProjectResponse[]> {
+  return projectSchema.array().parse(await request("/api/projects"));
+}
+
+export async function createProject(
+  name: string,
+  workspaceRoot: string,
+): Promise<ProjectResponse> {
+  return projectSchema.parse(
+    await request("/api/projects", {
+      method: "POST",
+      body: JSON.stringify({ name, workspaceRoot }),
+    }),
+  );
+}
+
+export async function renameProject(
+  id: string,
+  name: string,
+): Promise<ProjectResponse> {
+  return projectSchema.parse(
+    await request(`/api/projects/${encodeURIComponent(id)}`, {
+      method: "PATCH",
+      body: JSON.stringify({ name }),
+    }),
+  );
+}
+
+export async function deleteProject(id: string): Promise<void> {
+  await request(`/api/projects/${encodeURIComponent(id)}`, {
+    method: "DELETE",
+  });
+}

apps/web/src/api/request.ts

@@ -0,0 +1,27 @@
+export async function request(
+  path: string,
+  init?: RequestInit,
+): Promise<unknown> {
+  const response = await fetch(path, {
+    ...init,
+    headers: { "content-type": "application/json", ...init?.headers },
+  });
+  if (response.status === 204) return null;
+  const value = await response.json();
+  if (!response.ok) throw new Error(readErrorMessage(value));
+  return value;
+}
+
+function readErrorMessage(value: unknown): string {
+  if (typeof value === "object" && value && "error" in value) {
+    const error = value.error;
+    if (
+      typeof error === "object" &&
+      error &&
+      "message" in error &&
+      typeof error.message === "string"
+    )
+      return error.message;
+  }
+  return "请求失败，请稍后重试";
+}

apps/web/src/api/runs.ts

@@ -7,6 +7,7 @@ import {
 
 export type StartRunInput =
   | { kind: "ordinary"; message: string }
+  | { kind: "project"; projectId: string; message: string }
   | { kind: "existing"; conversationId: string; message: string };
 
 export async function startRun(

apps/web/src/app/app-controller.ts

@@ -2,18 +2,35 @@ import van, { type State } from "vanjs-core";
 import type {
   ConversationResponse,
   ConversationSummaryResponse,
+  ProjectResponse,
 } from "@great-agent/web-contracts";
-import { getConversation, listConversations } from "../api/conversations";
+import {
+  getConversation,
+  listConversations,
+  listProjectConversations,
+} from "../api/conversations";
+import {
+  createProject,
+  deleteProject,
+  listProjects,
+  renameProject,
+} from "../api/projects";
 import { startRun, streamRun } from "../api/runs";
 
 export type Selection =
   | { kind: "none" }
   | { kind: "ordinary-draft" }
+  | { kind: "project-create" }
+  | { kind: "project-draft"; projectId: string }
+  | { kind: "project-rename"; projectId: string }
+  | { kind: "project-delete"; projectId: string }
   | { kind: "conversation"; id: string };
 
 export type AppController = Readonly<{
   selection: State<Selection>;
   recent: State<ConversationSummaryResponse[]>;
+  projects: State<ProjectResponse[]>;
+  projectConversations: State<Record<string, ConversationSummaryResponse[]>>;
   active: State<ConversationResponse | null>;
   loading: State<boolean>;
   sending: State<boolean>;
@@ -21,6 +38,14 @@ export type AppController = Readonly<{
   error: State<string>;
   initialize(): Promise<void>;
   startNewTask(): void;
+  startProjectCreation(): void;
+  createProject(name: string, workspaceRoot: string): Promise<void>;
+  openProject(id: string): Promise<void>;
+  startProjectTask(id: string): void;
+  startProjectRename(id: string): void;
+  renameProject(id: string, name: string): Promise<void>;
+  startProjectDelete(id: string): void;
+  deleteProject(id: string): Promise<void>;
   openConversation(id: string): Promise<void>;
   send(content: string): Promise<void>;
 }>;
@@ -28,6 +53,10 @@ export type AppController = Readonly<{
 export function createAppController(): AppController {
   const selection = van.state<Selection>({ kind: "none" });
   const recent = van.state<ConversationSummaryResponse[]>([]);
+  const projects = van.state<ProjectResponse[]>([]);
+  const projectConversations = van.state<
+    Record<string, ConversationSummaryResponse[]>
+  >({});
   const active = van.state<ConversationResponse | null>(null);
   const loading = van.state(false);
   const sending = van.state(false);
@@ -38,7 +67,10 @@ export function createAppController(): AppController {
     loading.val = true;
     error.val = "";
     try {
-      recent.val = await listConversations();
+      [recent.val, projects.val] = await Promise.all([
+        listConversations(),
+        listProjects(),
+      ]);
     } catch (cause) {
       error.val = readMessage(cause);
     } finally {
@@ -46,23 +78,77 @@ export function createAppController(): AppController {
     }
   }
 
-  function startNewTask() {
-    selection.val = { kind: "ordinary-draft" };
+  function select(next: Selection) {
+    selection.val = next;
     active.val = null;
     error.val = "";
   }
+  function startNewTask() {
+    select({ kind: "ordinary-draft" });
+  }
+  function startProjectCreation() {
+    select({ kind: "project-create" });
+  }
+  function startProjectTask(projectId: string) {
+    select({ kind: "project-draft", projectId });
+  }
+  function startProjectRename(projectId: string) {
+    select({ kind: "project-rename", projectId });
+  }
+  function startProjectDelete(projectId: string) {
+    select({ kind: "project-delete", projectId });
+  }
+
+  async function createNewProject(name: string, workspaceRoot: string) {
+    await perform(async () => {
+      const created = await createProject(name, workspaceRoot);
+      projects.val = [created, ...projects.val];
+      projectConversations.val = {
+        ...projectConversations.val,
+        [created.id]: [],
+      };
+      select({ kind: "project-draft", projectId: created.id });
+    });
+  }
+
+  async function openProject(id: string) {
+    await perform(async () => {
+      const conversations = await listProjectConversations(id);
+      projectConversations.val = {
+        ...projectConversations.val,
+        [id]: conversations,
+      };
+      if (conversations[0]) await openConversation(conversations[0].id);
+      else select({ kind: "project-draft", projectId: id });
+    });
+  }
+
+  async function renameExistingProject(id: string, name: string) {
+    await perform(async () => {
+      const updated = await renameProject(id, name);
+      projects.val = projects.val.map((project) =>
+        project.id === id ? updated : project,
+      );
+      select({ kind: "project-draft", projectId: id });
+    });
+  }
+
+  async function deleteExistingProject(id: string) {
+    await perform(async () => {
+      await deleteProject(id);
+      projects.val = projects.val.filter((project) => project.id !== id);
+      const next = { ...projectConversations.val };
+      delete next[id];
+      projectConversations.val = next;
+      select({ kind: "none" });
+    });
+  }
 
   async function openConversation(id: string) {
-    loading.val = true;
-    error.val = "";
-    try {
+    await perform(async () => {
       active.val = await getConversation(id);
       selection.val = { kind: "conversation", id };
-    } catch (cause) {
-      error.val = readMessage(cause);
-    } finally {
-      loading.val = false;
-    }
+    });
   }
 
   async function send(content: string) {
@@ -72,21 +158,30 @@ export function createAppController(): AppController {
     error.val = "";
     try {
       const current = selection.val;
-      const started = await startRun(
+      const input =
         current.kind === "conversation"
-          ? { kind: "existing", conversationId: current.id, message: content }
-          : { kind: "ordinary", message: content },
-      );
+          ? {
+              kind: "existing" as const,
+              conversationId: current.id,
+              message: content,
+            }
+          : current.kind === "project-draft"
+            ? {
+                kind: "project" as const,
+                projectId: current.projectId,
+                message: content,
+              }
+            : { kind: "ordinary" as const, message: content };
+      const started = await startRun(input);
       active.val = await getConversation(started.conversationId);
       selection.val = { kind: "conversation", id: started.conversationId };
-      recent.val = await listConversations();
+      await refreshLists(active.val.projectId);
       await streamRun(started.runId, (event) => {
         if (
           event.type === "message.delta" &&
           typeof event.payload.delta === "string"
-        ) {
+        )
           assistantDraft.val += event.payload.delta;
-        }
       });
       active.val = await getConversation(started.conversationId);
       assistantDraft.val = "";
@@ -97,9 +192,35 @@ export function createAppController(): AppController {
     }
   }
 
+  async function refreshLists(projectId: string | null) {
+    if (!projectId) recent.val = await listConversations();
+    else {
+      const conversations = await listProjectConversations(projectId);
+      projectConversations.val = {
+        ...projectConversations.val,
+        [projectId]: conversations,
+      };
+      projects.val = await listProjects();
+    }
+  }
+
+  async function perform(action: () => Promise<void>) {
+    loading.val = true;
+    error.val = "";
+    try {
+      await action();
+    } catch (cause) {
+      error.val = readMessage(cause);
+    } finally {
+      loading.val = false;
+    }
+  }
+
   return {
     selection,
     recent,
+    projects,
+    projectConversations,
     active,
     loading,
     sending,
@@ -107,6 +228,14 @@ export function createAppController(): AppController {
     error,
     initialize,
     startNewTask,
+    startProjectCreation,
+    createProject: createNewProject,
+    openProject,
+    startProjectTask,
+    startProjectRename,
+    renameProject: renameExistingProject,
+    startProjectDelete,
+    deleteProject: deleteExistingProject,
     openConversation,
     send,
   };

apps/web/src/features/conversations/conversation-pane.css

@@ -102,6 +102,9 @@
   width: min(var(--composer-width), calc(100% - 40px));
   margin: 0 auto 18px;
 }
+.composer-slot {
+  flex: 0 0 auto;
+}
 .composer {
   min-height: 84px;
   padding: 12px 13px 8px;

apps/web/src/features/conversations/conversation-pane.ts

@@ -1,6 +1,7 @@
 import van, { type State } from "vanjs-core";
 import type { AppController } from "../../app/app-controller";
 import "./conversation-pane.css";
+import { ProjectPanel } from "../projects/project-panel";
 
 const { article, button, div, h1, header, main, p, span, textarea } = van.tags;
 
@@ -18,39 +19,45 @@ export function ConversationPane(controller: AppController): HTMLElement {
     { class: "main-pane" },
     header({ class: "mobile-header" }, "Great Agent 2"),
     div({ class: "pane-content" }, () =>
-      controller.selection.val.kind === "conversation" && controller.active.val
-        ? div(
-            { class: "conversation-view" },
-            h1({ class: "conversation-title" }, controller.active.val.title),
-            div(
-              { class: "message-list" },
-              controller.active.val.messages.map((message) =>
-                article(
-                  { class: `message ${message.role}` },
-                  span(
-                    { class: `message-role ${message.role}-role` },
-                    message.role === "user" ? "你" : "G",
+      controller.selection.val.kind.startsWith("project-")
+        ? ProjectPanel(controller)
+        : controller.selection.val.kind === "conversation" &&
+            controller.active.val
+          ? div(
+              { class: "conversation-view" },
+              h1({ class: "conversation-title" }, controller.active.val.title),
+              div(
+                { class: "message-list" },
+                controller.active.val.messages.map((message) =>
+                  article(
+                    { class: `message ${message.role}` },
+                    span(
+                      { class: `message-role ${message.role}-role` },
+                      message.role === "user" ? "你" : "G",
+                    ),
+                    p(message.content),
                   ),
-                  p(message.content),
                 ),
+                () =>
+                  controller.assistantDraft.val
+                    ? article(
+                        { class: "message assistant streaming" },
+                        span({ class: "message-role assistant-role" }, "G"),
+                        p(controller.assistantDraft),
+                      )
+                    : null,
               ),
-              () =>
-                controller.assistantDraft.val
-                  ? article(
-                      { class: "message assistant streaming" },
-                      span({ class: "message-role assistant-role" }, "G"),
-                      p(controller.assistantDraft),
-                    )
-                  : null,
+            )
+          : div(
+              { class: "onboarding" },
+              h1(span({ class: "spark" }, "✳"), " 今天想完成什么？"),
+              p("从一个问题、想法或具体任务开始。"),
             ),
-          )
-        : div(
-            { class: "onboarding" },
-            h1(span({ class: "spark" }, "✳"), " 今天想完成什么？"),
-            p("从一个问题、想法或具体任务开始。"),
-          ),
     ),
-    Composer(controller, draft, submit),
+    div(
+      { class: "composer-slot", hidden: () => !canCompose(controller) },
+      Composer(controller, draft, submit),
+    ),
   );
 }
 
@@ -105,8 +112,34 @@ function Composer(
     ),
     div(
       { class: "composer-meta" },
-      button({ disabled: true }, "普通对话"),
+      button({ disabled: true }, () =>
+        isProjectConversation(controller) ? "项目对话" : "普通对话",
+      ),
+
       span("DeepSeek"),
     ),
   );
 }
+
+function isProjectConversation(controller: AppController): boolean {
+  const selection = controller.selection.val;
+  return (
+    selection.kind === "project-draft" ||
+    (selection.kind === "conversation" &&
+      controller.active.val?.projectId !== null)
+  );
+}
+
+function canCompose(controller: AppController): boolean {
+  const selection = controller.selection.val;
+  if (selection.kind === "conversation") return true;
+  if (selection.kind === "ordinary-draft") return true;
+  if (selection.kind === "project-draft") {
+    return (
+      controller.projects.val.find(
+        (project) => project.id === selection.projectId,
+      )?.workspaceAvailable ?? false
+    );
+  }
+  return selection.kind === "none";
+}

apps/web/src/features/conversations/sidebar.css

@@ -64,9 +64,70 @@
   background: #1c1c1b;
 }
 .new-task:hover,
-.recent-list button:hover {
+.recent-list button:hover,
+.project-open:hover {
   background: #323230;
 }
+.project-list,
+.project-conversations {
+  display: grid;
+  gap: 1px;
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+.project-item {
+  position: relative;
+  border-radius: 6px;
+}
+.project-item.selected {
+  background: #2d2d2b;
+}
+.project-open {
+  overflow: hidden;
+  width: 100%;
+  padding: 7px 8px;
+  color: #c3c0ba;
+  background: transparent;
+  text-align: left;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  font-size: 11px;
+}
+.project-open span {
+  margin-right: 7px;
+  color: #77736e;
+}
+.project-actions {
+  position: absolute;
+  top: 3px;
+  right: 4px;
+  display: flex;
+  background: #2d2d2b;
+}
+.project-actions button {
+  width: 24px;
+  height: 24px;
+  color: #96928c;
+  background: transparent;
+}
+.project-conversations button {
+  overflow: hidden;
+  width: 100%;
+  padding: 5px 8px 5px 27px;
+  color: #98958f;
+  background: transparent;
+  text-align: left;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  font-size: 10px;
+}
+.workspace-warning {
+  display: block;
+  padding: 0 8px 6px 25px;
+  color: #c17769;
+  font-size: 9px;
+}
 .plus {
   display: inline-block;
   width: 19px;

apps/web/src/features/conversations/sidebar.ts

@@ -18,23 +18,40 @@ export function Sidebar(controller: AppController): HTMLElement {
       span({ class: "plus" }, "+"),
       "新任务",
     ),
-    button({ class: "nav-item", disabled: true }, "▣", " 项目"),
-    div({ class: "sidebar-scroll" }, h2("最近"), () =>
-      controller.loading.val && controller.recent.val.length === 0
-        ? div({ class: "sidebar-empty" }, "正在加载…")
-        : controller.recent.val.length === 0
-          ? div({ class: "sidebar-empty" }, "暂无对话")
+    button(
+      { class: "nav-item", onclick: controller.startProjectCreation },
+      "▣",
+      " 新建项目",
+    ),
+    div(
+      { class: "sidebar-scroll" },
+      h2("项目"),
+      () =>
+        controller.projects.val.length === 0
+          ? div({ class: "sidebar-empty" }, "暂无项目")
           : ul(
-              { class: "recent-list" },
-              controller.recent.val.map((item) =>
-                li(
-                  button(
-                    { onclick: () => controller.openConversation(item.id) },
-                    item.title,
+              { class: "project-list" },
+              controller.projects.val.map((project) =>
+                ProjectItem(controller, project.id),
+              ),
+            ),
+      h2("最近"),
+      () =>
+        controller.loading.val && controller.recent.val.length === 0
+          ? div({ class: "sidebar-empty" }, "正在加载…")
+          : controller.recent.val.length === 0
+            ? div({ class: "sidebar-empty" }, "暂无对话")
+            : ul(
+                { class: "recent-list" },
+                controller.recent.val.map((item) =>
+                  li(
+                    button(
+                      { onclick: () => controller.openConversation(item.id) },
+                      item.title,
+                    ),
                   ),
                 ),
               ),
-            ),
     ),
     div(
       { class: "sidebar-footer" },
@@ -43,3 +60,82 @@ export function Sidebar(controller: AppController): HTMLElement {
     ),
   );
 }
+
+function ProjectItem(
+  controller: AppController,
+  projectId: string,
+): HTMLElement {
+  return li(() => {
+    const project = controller.projects.val.find(
+      (item) => item.id === projectId,
+    );
+    if (!project) return null;
+    const selected = selectedProjectId(controller) === project.id;
+    return div(
+      { class: `project-item${selected ? " selected" : ""}` },
+      button(
+        {
+          class: "project-open",
+          onclick: () => controller.openProject(project.id),
+        },
+        span("▣"),
+        project.name,
+      ),
+      selected
+        ? div(
+            { class: "project-actions" },
+            button(
+              {
+                title: "新建项目对话",
+                onclick: () => controller.startProjectTask(project.id),
+              },
+              "+",
+            ),
+            button(
+              {
+                title: "重命名项目",
+                onclick: () => controller.startProjectRename(project.id),
+              },
+              "✎",
+            ),
+            button(
+              {
+                title: "删除项目",
+                onclick: () => controller.startProjectDelete(project.id),
+              },
+              "×",
+            ),
+          )
+        : null,
+      !project.workspaceAvailable
+        ? span({ class: "workspace-warning" }, "目录不可用")
+        : null,
+      selected &&
+        (controller.projectConversations.val[project.id]?.length ?? 0) > 0
+        ? ul(
+            { class: "project-conversations" },
+            (controller.projectConversations.val[project.id] ?? []).map(
+              (conversation) =>
+                li(
+                  button(
+                    {
+                      onclick: () =>
+                        controller.openConversation(conversation.id),
+                    },
+                    conversation.title,
+                  ),
+                ),
+            ),
+          )
+        : null,
+    );
+  });
+}
+
+function selectedProjectId(controller: AppController): string | null {
+  const selection = controller.selection.val;
+  if ("projectId" in selection) return selection.projectId;
+  return selection.kind === "conversation"
+    ? (controller.active.val?.projectId ?? null)
+    : null;
+}

apps/web/src/features/projects/project-panel.css

@@ -0,0 +1,94 @@
+.project-panel,
+.project-welcome {
+  width: min(520px, calc(100% - 40px));
+  margin: 70px auto;
+  padding: 30px;
+  border: 1px solid var(--color-border);
+  border-radius: 15px;
+  background: #242422;
+  box-shadow: 0 20px 50px #0004;
+}
+.project-panel h1,
+.project-welcome h1 {
+  margin: 12px 0 6px;
+  font-family: var(--font-serif);
+  font-size: 24px;
+}
+.project-panel > p,
+.project-welcome > p {
+  margin: 0 0 22px;
+  color: var(--color-text-secondary);
+  font-size: 12px;
+  line-height: 1.5;
+}
+.project-icon {
+  display: grid;
+  width: 36px;
+  height: 36px;
+  place-items: center;
+  border-radius: 10px;
+  color: #e3a18b;
+  background: #553329;
+}
+.project-icon.danger {
+  color: #efaaa0;
+  background: #582d29;
+}
+.project-panel label {
+  display: grid;
+  gap: 7px;
+  margin-top: 17px;
+  color: #aaa69f;
+  font-size: 11px;
+}
+.project-panel input {
+  height: 38px;
+  padding: 0 11px;
+  border: 1px solid #484641;
+  border-radius: 8px;
+  outline: 0;
+  color: #eeeae3;
+  background: #1b1b1a;
+}
+.project-panel input:focus {
+  border-color: #9d6252;
+}
+.form-actions {
+  display: flex;
+  justify-content: flex-end;
+  gap: 8px;
+  margin-top: 24px;
+}
+.form-actions button {
+  padding: 8px 13px;
+  border-radius: 7px;
+}
+.primary {
+  color: white;
+  background: #a95e4d;
+}
+.secondary {
+  background: #393836;
+}
+.danger-button {
+  color: white;
+  background: #a4433b;
+}
+.delete-summary {
+  padding: 10px 13px;
+  border-radius: 9px;
+  background: #1b1b1a;
+}
+.delete-summary p {
+  display: flex;
+  justify-content: space-between;
+  margin: 6px 0;
+  color: #89857f;
+  font-size: 11px;
+}
+.delete-summary span {
+  color: #d6d2cb;
+}
+.project-welcome > .project-unavailable {
+  color: #dc8f82;
+}

apps/web/src/features/projects/project-panel.ts

@@ -0,0 +1,129 @@
+import van from "vanjs-core";
+import type { AppController } from "../../app/app-controller";
+import "./project-panel.css";
+
+const { button, div, form, h1, input, label, p, span } = van.tags;
+
+export function ProjectPanel(controller: AppController): HTMLElement {
+  const selection = controller.selection.val;
+  if (selection.kind === "project-create")
+    return ProjectForm("新建项目", "创建项目", "", "", (name, root) =>
+      controller.createProject(name, root),
+    );
+  if (!("projectId" in selection)) return div();
+  const project = controller.projects.val.find(
+    (item) => item.id === selection.projectId,
+  );
+  if (!project) return div({ class: "project-panel" }, p("项目不存在"));
+  if (selection.kind === "project-rename")
+    return ProjectForm(
+      "重命名项目",
+      "保存",
+      project.name,
+      project.workspaceRoot,
+      (name) => controller.renameProject(project.id, name),
+      true,
+    );
+  if (selection.kind === "project-delete")
+    return div(
+      { class: "project-panel" },
+      span({ class: "project-icon danger" }, "×"),
+      h1("删除项目？"),
+      p("将删除应用内的项目记录，以及该项目下的对话、消息和运行记录。"),
+      div(
+        { class: "delete-summary" },
+        p("项目", span(project.name)),
+        p("项目对话", span(`${project.conversationCount} 条`)),
+        p("本地工作目录", span("不会删除、移动或写入")),
+      ),
+      div(
+        { class: "form-actions" },
+        button(
+          {
+            class: "secondary",
+            onclick: () => controller.startProjectTask(project.id),
+          },
+          "取消",
+        ),
+        button(
+          {
+            class: "danger-button",
+            onclick: () => void controller.deleteProject(project.id),
+          },
+          "确认删除",
+        ),
+      ),
+    );
+  return div(
+    { class: "project-welcome" },
+    span({ class: "project-icon" }, "▣"),
+    h1(project.name),
+    p(project.workspaceRoot),
+    !project.workspaceAvailable
+      ? p(
+          { class: "project-unavailable" },
+          "项目目录当前不可用。历史对话仍可查看，但无法开始新任务。",
+        )
+      : p("开始一段新的项目对话，第一条消息发送后才会创建会话。"),
+  );
+}
+
+function ProjectForm(
+  title: string,
+  submitLabel: string,
+  initialName: string,
+  initialRoot: string,
+  submit: (name: string, root: string) => Promise<void>,
+  rename = false,
+): HTMLElement {
+  const name = van.state(initialName);
+  const root = van.state(initialRoot);
+  return form(
+    {
+      class: "project-panel",
+      onsubmit: (event: Event) => {
+        event.preventDefault();
+        void submit(name.val, root.val);
+      },
+    },
+    span({ class: "project-icon" }, "▣"),
+    h1(title),
+    p(
+      rename
+        ? "修改侧栏中显示的项目名称。"
+        : "选择一个已存在、可读写的本地文件夹作为项目目录。",
+    ),
+    label(
+      "项目名称",
+      input({
+        value: name,
+        maxlength: 80,
+        autofocus: true,
+        oninput: (event: Event) =>
+          (name.val = (event.target as HTMLInputElement).value),
+      }),
+    ),
+    rename
+      ? null
+      : label(
+          "本地目录（绝对路径）",
+          input({
+            value: root,
+            placeholder: "/Users/你的名字/Projects/项目名",
+            oninput: (event: Event) =>
+              (root.val = (event.target as HTMLInputElement).value),
+          }),
+        ),
+    div(
+      { class: "form-actions" },
+      button(
+        {
+          class: "primary",
+          type: "submit",
+          disabled: () => !name.val.trim() || (!rename && !root.val.trim()),
+        },
+        submitLabel,
+      ),
+    ),
+  );
+}

docs/FEATURES.md

@@ -28,7 +28,7 @@
 
 ### F-002——Agent Core 与 DeepSeek 流式回复
 
-- 状态：待用户查看
+- 状态：已完成（用户于 2026-08-13 审核通过）
 - 用户可见结果：普通会话可启动 Agent Run，DeepSeek 回复增量显示，完成后的助手消息写入本地会话并可继续聊天；未配置模型密钥时保留用户消息并显示明确错误。
 - Agent Core：新增独立于 HTTP 的 `AgentRunService`、Run/RunEvent 领域对象、`ModelPort` 与 `RunRepository`；模型增量、完成和失败均转为稳定的领域事件。
 - DeepSeek 接入：`model-deepseek` 在适配器内部映射 OpenAI 兼容协议，Core 只依赖自身 Message/ModelEvent 类型；首个模型固定为 DeepSeek。
@@ -49,9 +49,11 @@
 
 ### F-003——项目管理与项目聊天
 
-- 状态：待开始
+- 状态：待用户查看
 - 用户可见结果：创建、选择、重命名和删除项目，在项目中维护多个独立会话。
 - 主要验收：AC-026 至 AC-033。
+- 自动化验证结果：2026-08-13 通过全仓类型检查、16 项测试、生产构建、代码检查、格式检查、文件规模检查与架构依赖检查。
+- 人工操作结果：2026-08-13 使用本机应用内浏览器完成；验证了真实目录创建项目、首条消息才创建项目会话、项目历史恢复并继续聊天、重命名、删除确认信息，以及删除后本地工作目录仍然存在。
 
 ### F-004——用户交互卡片
 

packages/agent-core/src/domain/conversation.ts

@@ -10,7 +10,7 @@ export type Message = Readonly<{
 
 export type Conversation = Readonly<{
   id: string;
-  projectId: null;
+  projectId: string | null;
   title: string;
   messages: readonly Message[];
   createdAt: string;

packages/agent-core/src/domain/project.ts

@@ -0,0 +1,13 @@
+export type Project = Readonly<{
+  id: string;
+  name: string;
+  workspaceRoot: string;
+  createdAt: string;
+  updatedAt: string;
+}>;
+
+export type ProjectView = Project &
+  Readonly<{
+    workspaceAvailable: boolean;
+    conversationCount: number;
+  }>;

packages/agent-core/src/index.ts

@@ -6,9 +6,11 @@ export type {
   MessageRole,
 } from "./domain/conversation";
 export type { AgentRun, AgentRunStatus, RunEvent } from "./domain/agent-run";
+export type { Project, ProjectView } from "./domain/project";
 export type { ConversationRepository } from "./ports/conversation-repository";
 export type { ModelEvent, ModelPort, ModelRequest } from "./ports/model-port";
 export type { RunRepository } from "./ports/run-repository";
+export type { ProjectRepository } from "./ports/project-repository";
 export type {
   ClockPort,
   IdPort,
@@ -23,3 +25,7 @@ export {
   type StartedRun,
   type StartRunInput,
 } from "./use-cases/agent-run-service";
+export {
+  ProjectService,
+  type ProjectServiceDependencies,
+} from "./use-cases/project-service";

packages/agent-core/src/ports/conversation-repository.ts

@@ -6,10 +6,12 @@ import type {
 
 export interface ConversationRepository {
   listRecent(): Promise<readonly ConversationSummary[]>;
+  listByProject(projectId: string): Promise<readonly ConversationSummary[]>;
   getById(id: string): Promise<Conversation | null>;
   create(conversation: Conversation): Promise<void>;
   appendMessage(
     conversationId: string,
     message: Message,
   ): Promise<Conversation>;
+  deleteByProject(projectId: string): Promise<void>;
 }

packages/agent-core/src/ports/project-repository.ts

@@ -0,0 +1,9 @@
+import type { Project } from "../domain/project";
+
+export interface ProjectRepository {
+  list(): Promise<readonly Project[]>;
+  getById(id: string): Promise<Project | null>;
+  create(project: Project): Promise<void>;
+  update(project: Project): Promise<void>;
+  delete(id: string): Promise<void>;
+}

packages/agent-core/src/ports/run-repository.ts

@@ -6,4 +6,8 @@ export interface RunRepository {
   getById(id: string): Promise<AgentRun | null>;
   appendEvent(event: RunEvent): Promise<void>;
   listEvents(runId: string): Promise<readonly RunEvent[]>;
+  hasActiveForConversations(
+    conversationIds: readonly string[],
+  ): Promise<boolean>;
+  deleteByConversations(conversationIds: readonly string[]): Promise<void>;
 }

packages/agent-core/src/ports/system-ports.ts

@@ -7,5 +7,6 @@ export interface IdPort {
 }
 
 export interface WorkspaceResolverPort {
-  resolve(conversationId: string): Promise<string>;
+  resolveForCreation(path: string): Promise<string>;
+  isAvailable(path: string): Promise<boolean>;
 }

packages/agent-core/src/use-cases/agent-run-service.test.ts

@@ -7,13 +7,28 @@ import type {
   RunEvent,
   RunRepository,
 } from "..";
-import { AgentRunService, ConversationService } from "..";
+import { AgentRunService, ConversationService, type ProjectService } from "..";
+
+const projects = {
+  requireAvailable: async () => {
+    throw new Error("unused");
+  },
+} as unknown as ProjectService;
 
 class MemoryConversationRepository implements ConversationRepository {
   readonly values = new Map<string, Conversation>();
   async listRecent() {
     return [...this.values.values()];
   }
+  async listByProject(projectId: string) {
+    return [...this.values.values()].filter(
+      (value) => value.projectId === projectId,
+    );
+  }
+  async deleteByProject(projectId: string) {
+    for (const [id, value] of this.values)
+      if (value.projectId === projectId) this.values.delete(id);
+  }
   async getById(id: string) {
     return this.values.get(id) ?? null;
   }
@@ -51,6 +66,10 @@ class MemoryRunRepository implements RunRepository {
   async listEvents(runId: string) {
     return this.events.filter((event) => event.runId === runId);
   }
+  async hasActiveForConversations() {
+    return false;
+  }
+  async deleteByConversations() {}
 }
 
 describe("AgentRunService", () => {
@@ -76,6 +95,7 @@ describe("AgentRunService", () => {
       runs,
       { now: () => new Date("2026-08-12T00:00:00.000Z") },
       { create: () => `id_${++nextId}` },
+      projects,
     );
     const started = await service.start(
       { kind: "ordinary", message: "开始" },
@@ -127,6 +147,7 @@ describe("AgentRunService", () => {
       runs,
       { now: () => new Date() },
       { create: () => `id_${++id}` },
+      projects,
     );
     const started = await service.start(
       { kind: "ordinary", message: "开始" },

packages/agent-core/src/use-cases/agent-run-service.ts

@@ -1,12 +1,15 @@
 import type { AgentRun, RunEvent } from "../domain/agent-run";
+import type { Conversation } from "../domain/conversation";
 import { CoreError } from "../errors/core-error";
 import type { ModelPort } from "../ports/model-port";
 import type { RunRepository } from "../ports/run-repository";
 import type { ClockPort, IdPort } from "../ports/system-ports";
 import type { ConversationService } from "./conversation-service";
+import type { ProjectService } from "./project-service";
 
 export type StartRunInput =
   | Readonly<{ kind: "ordinary"; message: string }>
+  | Readonly<{ kind: "project"; projectId: string; message: string }>
   | Readonly<{ kind: "existing"; conversationId: string; message: string }>;
 
 export type StartedRun = Readonly<{
@@ -21,18 +24,36 @@ export class AgentRunService {
     private readonly runs: RunRepository,
     private readonly clock: ClockPort,
     private readonly ids: IdPort,
+    private readonly projects: ProjectService,
   ) {}
 
   async start(input: StartRunInput, signal: AbortSignal): Promise<StartedRun> {
     const runId = this.ids.create();
-    const conversation =
-      input.kind === "ordinary"
-        ? await this.conversations.createWithFirstMessage(input.message, runId)
-        : await this.conversations.appendUserMessage(
-            input.conversationId,
-            input.message,
-            runId,
-          );
+    let conversation: Conversation;
+    if (input.kind === "ordinary") {
+      conversation = await this.conversations.createWithFirstMessage(
+        input.message,
+        runId,
+      );
+    } else if (input.kind === "project") {
+      await this.projects.requireAvailable(input.projectId);
+      conversation = await this.conversations.createProjectWithFirstMessage(
+        input.projectId,
+        input.message,
+        runId,
+      );
+    } else {
+      const existing = await this.conversations.getConversation(
+        input.conversationId,
+      );
+      if (existing.projectId)
+        await this.projects.requireAvailable(existing.projectId);
+      conversation = await this.conversations.appendUserMessage(
+        input.conversationId,
+        input.message,
+        runId,
+      );
+    }
     const timestamp = this.clock.now().toISOString();
     const triggerMessage = conversation.messages.at(-1);
     if (triggerMessage?.role !== "user")

packages/agent-core/src/use-cases/conversation-service.test.ts

@@ -8,6 +8,15 @@ class MemoryConversationRepository implements ConversationRepository {
   async listRecent(): Promise<readonly ConversationSummary[]> {
     return [...this.values.values()];
   }
+  async listByProject(projectId: string) {
+    return [...this.values.values()].filter(
+      (value) => value.projectId === projectId,
+    );
+  }
+  async deleteByProject(projectId: string) {
+    for (const [id, value] of this.values)
+      if (value.projectId === projectId) this.values.delete(id);
+  }
   async getById(id: string): Promise<Conversation | null> {
     return this.values.get(id) ?? null;
   }

packages/agent-core/src/use-cases/conversation-service.ts

@@ -20,6 +20,10 @@ export class ConversationService {
     return this.dependencies.conversations.listRecent();
   }
 
+  listByProject(projectId: string): Promise<readonly ConversationSummary[]> {
+    return this.dependencies.conversations.listByProject(projectId);
+  }
+
   async getConversation(id: string): Promise<Conversation> {
     const conversation = await this.dependencies.conversations.getById(id);
     if (!conversation)
@@ -45,6 +49,25 @@ export class ConversationService {
     return conversation;
   }
 
+  async createProjectWithFirstMessage(
+    projectId: string,
+    content: string,
+    runId: string,
+  ): Promise<Conversation> {
+    const normalized = normalizeContent(content);
+    const timestamp = this.dependencies.clock.now().toISOString();
+    const conversation: Conversation = {
+      id: this.dependencies.ids.create(),
+      projectId,
+      title: createTitle(normalized),
+      messages: [this.createUserMessage(normalized, timestamp, runId)],
+      createdAt: timestamp,
+      updatedAt: timestamp,
+    };
+    await this.dependencies.conversations.create(conversation);
+    return conversation;
+  }
+
   async appendUserMessage(
     id: string,
     content: string,

packages/agent-core/src/use-cases/project-service.test.ts

@@ -0,0 +1,133 @@
+import { describe, expect, test } from "bun:test";
+import type {
+  AgentRun,
+  Conversation,
+  ConversationRepository,
+  Project,
+  ProjectRepository,
+  RunEvent,
+  RunRepository,
+} from "..";
+import { ProjectService } from "..";
+
+class Projects implements ProjectRepository {
+  values = new Map<string, Project>();
+  async list() {
+    return [...this.values.values()];
+  }
+  async getById(id: string) {
+    return this.values.get(id) ?? null;
+  }
+  async create(project: Project) {
+    this.values.set(project.id, project);
+  }
+  async update(project: Project) {
+    this.values.set(project.id, project);
+  }
+  async delete(id: string) {
+    this.values.delete(id);
+  }
+}
+class Conversations implements ConversationRepository {
+  values = new Map<string, Conversation>();
+  async listRecent() {
+    return [...this.values.values()].filter((value) => !value.projectId);
+  }
+  async listByProject(projectId: string) {
+    return [...this.values.values()].filter(
+      (value) => value.projectId === projectId,
+    );
+  }
+  async getById(id: string) {
+    return this.values.get(id) ?? null;
+  }
+  async create(value: Conversation) {
+    this.values.set(value.id, value);
+  }
+  async appendMessage(
+    _id: string,
+    _message: Conversation["messages"][number],
+  ): Promise<Conversation> {
+    throw new Error("unused");
+  }
+  async deleteByProject(projectId: string) {
+    for (const [id, value] of this.values)
+      if (value.projectId === projectId) this.values.delete(id);
+  }
+}
+class Runs implements RunRepository {
+  active = false;
+  async create(_run: AgentRun) {}
+  async update(_run: AgentRun) {}
+  async getById(_id: string) {
+    return null;
+  }
+  async appendEvent(_event: RunEvent) {}
+  async listEvents(_id: string) {
+    return [];
+  }
+  async hasActiveForConversations() {
+    return this.active;
+  }
+  async deleteByConversations() {}
+}
+
+describe("ProjectService", () => {
+  test("创建项目时固化真实目录，重命名后仍保留目录", async () => {
+    const projects = new Projects();
+    const service = createService(projects, new Conversations(), new Runs());
+    const created = await service.create("  我的项目  ", "/tmp/link");
+    expect(created).toMatchObject({
+      name: "我的项目",
+      workspaceRoot: "/tmp/real",
+      conversationCount: 0,
+      workspaceAvailable: true,
+    });
+    const renamed = await service.rename(created.id, "新名字");
+    expect(renamed.name).toBe("新名字");
+    expect(renamed.workspaceRoot).toBe("/tmp/real");
+  });
+
+  test("有运行中的项目任务时拒绝删除", async () => {
+    const projects = new Projects();
+    const conversations = new Conversations();
+    const runs = new Runs();
+    const service = createService(projects, conversations, runs);
+    const created = await service.create("项目", "/tmp/real");
+    conversations.values.set("conversation", {
+      id: "conversation",
+      projectId: created.id,
+      title: "对话",
+      messages: [],
+      createdAt: "now",
+      updatedAt: "now",
+    });
+    runs.active = true;
+    expect(service.delete(created.id)).rejects.toMatchObject({
+      code: "PROJECT_RUN_ACTIVE",
+    });
+    expect(await projects.getById(created.id)).not.toBeNull();
+  });
+});
+
+function createService(
+  projects: Projects,
+  conversations: Conversations,
+  runs: Runs,
+) {
+  return new ProjectService({
+    projects,
+    conversations,
+    runs,
+    workspaces: {
+      async resolveForCreation() {
+        return "/tmp/real";
+      },
+      async isAvailable() {
+        return true;
+      },
+    },
+    clock: { now: () => new Date("2026-08-13T00:00:00Z") },
+    ids: { create: () => "project_1" },
+  });
+}

packages/agent-core/src/use-cases/project-service.ts

@@ -0,0 +1,116 @@
+import type { Project, ProjectView } from "../domain/project";
+import { CoreError } from "../errors/core-error";
+import type { ConversationRepository } from "../ports/conversation-repository";
+import type { ProjectRepository } from "../ports/project-repository";
+import type { RunRepository } from "../ports/run-repository";
+import type {
+  ClockPort,
+  IdPort,
+  WorkspaceResolverPort,
+} from "../ports/system-ports";
+
+export type ProjectServiceDependencies = Readonly<{
+  projects: ProjectRepository;
+  conversations: ConversationRepository;
+  runs: RunRepository;
+  workspaces: WorkspaceResolverPort;
+  clock: ClockPort;
+  ids: IdPort;
+}>;
+
+export class ProjectService {
+  constructor(private readonly dependencies: ProjectServiceDependencies) {}
+
+  async list(): Promise<readonly ProjectView[]> {
+    return Promise.all(
+      (await this.dependencies.projects.list()).map((project) =>
+        this.view(project),
+      ),
+    );
+  }
+
+  async get(id: string): Promise<ProjectView> {
+    return this.view(await this.require(id));
+  }
+
+  async create(name: string, workspaceRoot: string): Promise<ProjectView> {
+    const normalizedName = normalizeName(name);
+    const resolvedRoot =
+      await this.dependencies.workspaces.resolveForCreation(workspaceRoot);
+    const timestamp = this.dependencies.clock.now().toISOString();
+    const project: Project = {
+      id: this.dependencies.ids.create(),
+      name: normalizedName,
+      workspaceRoot: resolvedRoot,
+      createdAt: timestamp,
+      updatedAt: timestamp,
+    };
+    await this.dependencies.projects.create(project);
+    return this.view(project);
+  }
+
+  async rename(id: string, name: string): Promise<ProjectView> {
+    const project = await this.require(id);
+    const updated = {
+      ...project,
+      name: normalizeName(name),
+      updatedAt: this.dependencies.clock.now().toISOString(),
+    };
+    await this.dependencies.projects.update(updated);
+    return this.view(updated);
+  }
+
+  async delete(id: string): Promise<void> {
+    await this.require(id);
+    const conversations =
+      await this.dependencies.conversations.listByProject(id);
+    const ids = conversations.map((conversation) => conversation.id);
+    if (await this.dependencies.runs.hasActiveForConversations(ids))
+      throw new CoreError(
+        "PROJECT_RUN_ACTIVE",
+        "项目中仍有任务正在运行，暂时无法删除",
+      );
+    await this.dependencies.runs.deleteByConversations(ids);
+    await this.dependencies.conversations.deleteByProject(id);
+    await this.dependencies.projects.delete(id);
+  }
+
+  async requireAvailable(id: string): Promise<Project> {
+    const project = await this.require(id);
+    if (
+      !(await this.dependencies.workspaces.isAvailable(project.workspaceRoot))
+    )
+      throw new CoreError(
+        "PROJECT_WORKSPACE_UNAVAILABLE",
+        "项目目录当前不可用，无法开始新任务",
+      );
+    return project;
+  }
+
+  private async require(id: string): Promise<Project> {
+    const project = await this.dependencies.projects.getById(id);
+    if (!project) throw new CoreError("PROJECT_NOT_FOUND", "项目不存在");
+    return project;
+  }
+
+  private async view(project: Project): Promise<ProjectView> {
+    const conversations = await this.dependencies.conversations.listByProject(
+      project.id,
+    );
+    return {
+      ...project,
+      workspaceAvailable: await this.dependencies.workspaces.isAvailable(
+        project.workspaceRoot,
+      ),
+      conversationCount: conversations.length,
+    };
+  }
+}
+
+function normalizeName(name: string): string {
+  const normalized = name.trim();
+  if (!normalized) throw new CoreError("PROJECT_NAME_EMPTY", "请输入项目名称");
+  if (normalized.length > 80)
+    throw new CoreError("PROJECT_NAME_TOO_LONG", "项目名称过长");
+  return normalized;
+}

packages/local-data/src/index.ts

@@ -8,3 +8,4 @@ export {
 } from "./layout/data-layout";
 export { FileConversationRepository } from "./repositories/file-conversation-repository";
 export { FileRunRepository } from "./repositories/file-run-repository";
+export { FileProjectRepository } from "./repositories/file-project-repository";

packages/local-data/src/repositories/file-conversation-repository.ts

@@ -1,4 +1,4 @@
-import { mkdir, readFile, readdir } from "node:fs/promises";
+import { mkdir, readFile, readdir, unlink } from "node:fs/promises";
 import { join } from "node:path";
 import type {
   Conversation,
@@ -20,6 +20,15 @@ export class FileConversationRepository implements ConversationRepository {
       .map(({ messages: _messages, ...summary }) => summary);
   }
 
+  async listByProject(
+    projectId: string,
+  ): Promise<readonly ConversationSummary[]> {
+    return (await this.readAll())
+      .filter((conversation) => conversation.projectId === projectId)
+      .sort((left, right) => right.updatedAt.localeCompare(left.updatedAt))
+      .map(({ messages: _messages, ...summary }) => summary);
+  }
+
   async getById(id: string): Promise<Conversation | null> {
     try {
       return JSON.parse(
@@ -53,6 +62,15 @@ export class FileConversationRepository implements ConversationRepository {
     return next;
   }
 
+  async deleteByProject(projectId: string): Promise<void> {
+    const conversations = await this.readAll();
+    await Promise.all(
+      conversations
+        .filter((conversation) => conversation.projectId === projectId)
+        .map((conversation) => unlink(this.pathFor(conversation.id))),
+    );
+  }
+
   private pathFor(id: string): string {
     return join(this.layout.conversations, `${id}.json`);
   }

packages/local-data/src/repositories/file-project-repository.ts

@@ -0,0 +1,62 @@
+import { mkdir, readFile, readdir, unlink } from "node:fs/promises";
+import { join } from "node:path";
+import type { Project, ProjectRepository } from "@great-agent/agent-core";
+import { writeJsonAtomically } from "../atomic-writes/write-json-atomically";
+import type { DataLayout } from "../layout/data-layout";
+
+export class FileProjectRepository implements ProjectRepository {
+  constructor(private readonly layout: DataLayout) {}
+
+  async list(): Promise<readonly Project[]> {
+    await mkdir(this.layout.projects, { recursive: true });
+    const names = await readdir(this.layout.projects);
+    const projects = await Promise.all(
+      names
+        .filter((name) => name.endsWith(".json"))
+        .map(
+          async (name) =>
+            JSON.parse(
+              await readFile(join(this.layout.projects, name), "utf8"),
+            ) as Project,
+        ),
+    );
+    return projects.sort((left, right) =>
+      right.updatedAt.localeCompare(left.updatedAt),
+    );
+  }
+
+  async getById(id: string): Promise<Project | null> {
+    try {
+      return JSON.parse(await readFile(this.pathFor(id), "utf8")) as Project;
+    } catch (error) {
+      if (error instanceof Error && "code" in error && error.code === "ENOENT")
+        return null;
+      throw error;
+    }
+  }
+
+  async create(project: Project): Promise<void> {
+    await mkdir(this.layout.projects, { recursive: true });
+    if (await this.getById(project.id)) throw new Error("项目标识已经存在");
+    await writeJsonAtomically(this.pathFor(project.id), project);
+  }
+
+  update(project: Project): Promise<void> {
+    return writeJsonAtomically(this.pathFor(project.id), project);
+  }
+
+  async delete(id: string): Promise<void> {
+    try {
+      await unlink(this.pathFor(id));
+    } catch (error) {
+      if (
+        !(error instanceof Error && "code" in error && error.code === "ENOENT")
+      )
+        throw error;
+    }
+  }
+
+  private pathFor(id: string): string {
+    return join(this.layout.projects, `${id}.json`);
+  }
+}

packages/local-data/src/repositories/file-run-repository.ts

@@ -1,4 +1,4 @@
-import { mkdir, readFile } from "node:fs/promises";
+import { mkdir, readFile, readdir, rm } from "node:fs/promises";
 import { join } from "node:path";
 import type {
   AgentRun,
@@ -52,6 +52,42 @@ export class FileRunRepository implements RunRepository {
     }
   }
 
+  async hasActiveForConversations(
+    conversationIds: readonly string[],
+  ): Promise<boolean> {
+    if (conversationIds.length === 0) return false;
+    const targets = new Set(conversationIds);
+    return (await this.readAll()).some(
+      (run) => targets.has(run.conversationId) && run.status === "running",
+    );
+  }
+
+  async deleteByConversations(
+    conversationIds: readonly string[],
+  ): Promise<void> {
+    if (conversationIds.length === 0) return;
+    const targets = new Set(conversationIds);
+    const runs = await this.readAll();
+    await Promise.all(
+      runs
+        .filter((run) => targets.has(run.conversationId))
+        .map((run) =>
+          rm(this.runDirectory(run.id), { recursive: true, force: true }),
+        ),
+    );
+  }
+
+  private async readAll(): Promise<AgentRun[]> {
+    await mkdir(this.layout.runs, { recursive: true });
+    const names = await readdir(this.layout.runs, { withFileTypes: true });
+    const values = await Promise.all(
+      names
+        .filter((entry) => entry.isDirectory())
+        .map((entry) => this.getById(entry.name)),
+    );
+    return values.filter((run): run is AgentRun => run !== null);
+  }
+
   private runDirectory(id: string) {
     return join(this.layout.runs, id);
   }

packages/local-files/src/index.ts

@@ -1 +1,34 @@
-export const localFilesPackage = "@great-agent/local-files";
+import { access, realpath, stat } from "node:fs/promises";
+import { constants } from "node:fs";
+import { isAbsolute } from "node:path";
+import { CoreError, type WorkspaceResolverPort } from "@great-agent/agent-core";
+
+export class LocalWorkspaceResolver implements WorkspaceResolverPort {
+  async resolveForCreation(path: string): Promise<string> {
+    const normalized = path.trim();
+    if (!isAbsolute(normalized))
+      throw new CoreError(
+        "WORKSPACE_PATH_NOT_ABSOLUTE",
+        "项目目录必须使用绝对路径",
+      );
+    try {
+      const resolved = await realpath(normalized);
+      if (!(await stat(resolved)).isDirectory())
+        throw new CoreError("WORKSPACE_NOT_DIRECTORY", "项目目录不是文件夹");
+      await access(resolved, constants.R_OK | constants.W_OK);
+      return resolved;
+    } catch (error) {
+      if (error instanceof CoreError) throw error;
+      throw new CoreError("WORKSPACE_UNAVAILABLE", "项目目录不存在或无法读写");
+    }
+  }
+
+  async isAvailable(path: string): Promise<boolean> {
+    try {
+      await this.resolveForCreation(path);
+      return true;
+    } catch {
+      return false;
+    }
+  }
+}

packages/local-files/src/local-workspace-resolver.test.ts

@@ -0,0 +1,23 @@
+import { describe, expect, test } from "bun:test";
+import { mkdtemp, rm } from "node:fs/promises";
+import { join } from "node:path";
+import { tmpdir } from "node:os";
+import { LocalWorkspaceResolver } from ".";
+
+describe("LocalWorkspaceResolver", () => {
+  test("只接受实际存在且可读写的绝对目录", async () => {
+    const root = await mkdtemp(join(tmpdir(), "great-agent-workspace-"));
+    try {
+      const resolver = new LocalWorkspaceResolver();
+      expect(await resolver.resolveForCreation(root)).toContain(
+        "great-agent-workspace-",
+      );
+      expect(await resolver.isAvailable(root)).toBe(true);
+      expect(
+        resolver.resolveForCreation("relative/path"),
+      ).rejects.toMatchObject({ code: "WORKSPACE_PATH_NOT_ABSOLUTE" });
+    } finally {
+      await rm(root, { recursive: true });
+    }
+  });
+});

packages/web-contracts/src/index.ts

@@ -1,6 +1,12 @@
 export { healthResponseSchema, type HealthResponse } from "./responses/health";
 export { messageInputSchema, type MessageInput } from "./requests/message";
 export { startRunRequestSchema, type StartRunRequest } from "./requests/run";
+export {
+  createProjectRequestSchema,
+  renameProjectRequestSchema,
+  type CreateProjectRequest,
+  type RenameProjectRequest,
+} from "./requests/project";
 export { runEventSchema, type RunEventResponse } from "./events/run-event";
 export { startedRunSchema, type StartedRunResponse } from "./responses/run";
 export {
@@ -10,3 +16,4 @@ export {
   type ConversationSummaryResponse,
   messageSchema,
 } from "./responses/conversation";
+export { projectSchema, type ProjectResponse } from "./responses/project";

packages/web-contracts/src/requests/project.ts

@@ -0,0 +1,13 @@
+import { z } from "zod";
+
+export const createProjectRequestSchema = z.object({
+  name: z.string().trim().min(1).max(80),
+  workspaceRoot: z.string().trim().min(1),
+});
+
+export const renameProjectRequestSchema = z.object({
+  name: z.string().trim().min(1).max(80),
+});
+
+export type CreateProjectRequest = z.infer<typeof createProjectRequestSchema>;
+export type RenameProjectRequest = z.infer<typeof renameProjectRequestSchema>;

packages/web-contracts/src/requests/run.ts

@@ -1,6 +1,11 @@
 import { z } from "zod";
 
 export const startRunRequestSchema = z.discriminatedUnion("kind", [
+  z.object({
+    kind: z.literal("project"),
+    projectId: z.string().min(1),
+    message: z.string().trim().min(1).max(32_000),
+  }),
   z.object({
     kind: z.literal("ordinary"),
     message: z.string().trim().min(1).max(32_000),

packages/web-contracts/src/responses/conversation.ts

@@ -10,7 +10,7 @@ export const messageSchema = z.object({
 
 export const conversationSummarySchema = z.object({
   id: z.string(),
-  projectId: z.null(),
+  projectId: z.string().nullable(),
   title: z.string(),
   createdAt: z.string(),
   updatedAt: z.string(),

packages/web-contracts/src/responses/project.ts

@@ -0,0 +1,13 @@
+import { z } from "zod";
+
+export const projectSchema = z.object({
+  id: z.string(),
+  name: z.string(),
+  workspaceRoot: z.string(),
+  workspaceAvailable: z.boolean(),
+  conversationCount: z.number().int().nonnegative(),
+  createdAt: z.string(),
+  updatedAt: z.string(),
+});
+
+export type ProjectResponse = z.infer<typeof projectSchema>;