feat: add cloud transfer and cache optimizations

internal/handler/cloud.go

@@ -5,9 +5,12 @@ package handler
 import (
 	"io"
 	"net/http"
+	"net/url"
+	"strings"
 
 	"github.com/gin-gonic/gin"
 
+	"github.com/ShukeBta/MediaStationGo/internal/model"
 	"github.com/ShukeBta/MediaStationGo/internal/service"
 	"github.com/ShukeBta/MediaStationGo/internal/service/cloud"
 )
@@ -48,6 +51,84 @@ func cloudImportHandler(svc *service.Container) gin.HandlerFunc {
 	}
 }
 
+// cloudMountHandler creates or reuses a cloud:// media library for a cloud
+// directory, then scans it recursively so cloud files become playable STRM/302
+// media rows without copying bytes to local disk.
+func cloudMountHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		typ := c.Param("type")
+		var in struct {
+			Dir       string `json:"dir"`
+			Name      string `json:"name"`
+			MediaType string `json:"media_type"`
+		}
+		_ = c.ShouldBindJSON(&in)
+		if !cloud.IsCloudType(typ) {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "unsupported cloud provider"})
+			return
+		}
+		if _, err := svc.StorageCfg.CloudProvider(c.Request.Context(), typ); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		path := "cloud://" + typ
+		if dir := strings.TrimSpace(in.Dir); dir != "" {
+			path += "/" + url.PathEscape(dir)
+		}
+		name := strings.TrimSpace(in.Name)
+		if name == "" {
+			name = cloudMountLibraryName(typ, strings.TrimSpace(in.Dir))
+		}
+		mediaType := strings.TrimSpace(in.MediaType)
+		if mediaType == "" {
+			mediaType = "movie"
+		}
+		libs, err := svc.Repo.Library.List(c.Request.Context())
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		var lib *model.Library
+		for i := range libs {
+			if libs[i].Path == path {
+				lib = &libs[i]
+				break
+			}
+		}
+		if lib == nil {
+			lib = &model.Library{Name: name, Path: path, Type: mediaType, Enabled: true}
+			if err := svc.Repo.Library.Create(c.Request.Context(), lib); err != nil {
+				c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+				return
+			}
+		}
+		var scan any
+		if svc.Scan != nil {
+			res, err := svc.Scan.ScanLibrary(c.Request.Context(), lib.ID)
+			if err != nil {
+				c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error(), "library": lib})
+				return
+			}
+			scan = res
+		}
+		c.JSON(http.StatusOK, gin.H{"library": lib, "scan": scan})
+	}
+}
+
+func cloudMountLibraryName(typ, dir string) string {
+	base := typ
+	switch typ {
+	case cloud.TypeQuark:
+		base = "夸克网盘"
+	case cloud.Type115:
+		base = "115 网盘"
+	}
+	if dir == "" || dir == "0" {
+		return base
+	}
+	return base + " · " + dir
+}
+
 // cloud115QRStartHandler begins a 115 QR-code login and returns the session +
 // QR image URL for the frontend to render.
 func cloud115QRStartHandler(svc *service.Container) gin.HandlerFunc {
@@ -102,7 +183,11 @@ func cloudPlayHandler(svc *service.Container) gin.HandlerFunc {
 		}
 		// Proxy mode: the direct link needs auth headers the browser cannot
 		// carry. Stream through with Range forwarding.
-		req, err := http.NewRequestWithContext(c.Request.Context(), http.MethodGet, link.URL, nil)
+		method := c.Request.Method
+		if method == "" {
+			method = http.MethodGet
+		}
+		req, err := http.NewRequestWithContext(c.Request.Context(), method, link.URL, nil)
 		if err != nil {
 			c.JSON(http.StatusBadGateway, gin.H{"error": err.Error()})
 			return
@@ -125,6 +210,8 @@ func cloudPlayHandler(svc *service.Container) gin.HandlerFunc {
 			}
 		}
 		c.Status(resp.StatusCode)
-		_, _ = io.Copy(c.Writer, resp.Body)
+		if c.Request.Method != http.MethodHead {
+			_, _ = io.Copy(c.Writer, resp.Body)
+		}
 	}
 }

internal/handler/routes_admin.go

@@ -35,10 +35,12 @@ func registerAdminRoutes(api *gin.RouterGroup, cfg *config.Config, svc *service.
 		admin.GET("/storage/:type", getStorageConfigHandler(svc))
 		admin.PUT("/storage/:type", saveStorageConfigHandler(svc))
 		admin.POST("/storage/:type/test", testStorageConfigHandler(svc))
+		admin.POST("/storage/:type/upload-local", storageUploadLocalHandler(svc))
 
 		// Cloud disk (115 / 夸克) browsing, QR login and 302 import.
 		admin.GET("/cloud/:type/list", cloudListHandler(svc))
 		admin.POST("/cloud/:type/import", cloudImportHandler(svc))
+		admin.POST("/cloud/:type/mount", cloudMountHandler(svc))
 		admin.POST("/cloud/:type/qr/start", cloud115QRStartHandler(svc))
 		admin.POST("/cloud/:type/qr/poll", cloud115QRPollHandler(svc))
 

internal/handler/storage_config.go

@@ -73,3 +73,24 @@ func testStorageConfigHandler(svc *service.Container) gin.HandlerFunc {
 		c.JSON(http.StatusOK, gin.H{"ok": true})
 	}
 }
+
+func storageUploadLocalHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var req service.CloudUploadInput
+		if err := c.ShouldBindJSON(&req); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		req.Type = c.Param("type")
+		res, err := svc.StorageCfg.UploadLocal(c.Request.Context(), req)
+		if err != nil && res == nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		if err != nil {
+			c.JSON(http.StatusOK, gin.H{"result": res, "error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"result": res})
+	}
+}

internal/handler/system_extra.go

@@ -98,6 +98,20 @@ func schemaHandler(_ *service.Container) gin.HandlerFunc {
 						{"key": "scrape.delay_max_ms", "type": "number", "label": "刮削最大间隔毫秒"},
 					},
 				},
+				{
+					"key":   "cloud-upload",
+					"label": "网盘转存",
+					"items": []gin.H{
+						{"key": "cloud.upload_auto_enabled", "type": "toggle", "label": "启用自动转存"},
+						{"key": "cloud.upload_provider", "type": "select", "label": "转存目标"},
+						{"key": "cloud.upload_source_dir", "type": "text", "label": "本地源目录"},
+						{"key": "cloud.upload_dest_path", "type": "text", "label": "网盘目标目录"},
+						{"key": "cloud.upload_recursive", "type": "toggle", "label": "递归扫描源目录"},
+						{"key": "cloud.upload_sidecars", "type": "toggle", "label": "同步 NFO / 海报 / 字幕"},
+						{"key": "cloud.upload_overwrite", "type": "toggle", "label": "覆盖远端同名文件"},
+						{"key": "cloud.upload_interval_seconds", "type": "number", "label": "自动转存间隔秒数"},
+					},
+				},
 				{
 					"key":   "adult",
 					"label": "Adult / NSFW",

internal/service/cloud/cloud_test.go

@@ -3,8 +3,10 @@ package cloud
 import (
 	"context"
 	"encoding/base64"
+	"fmt"
 	"net/http"
 	"net/http/httptest"
+	"strconv"
 	"strings"
 	"testing"
 	"time"
@@ -62,6 +64,47 @@ func TestQuarkListAndResolve(t *testing.T) {
 	}
 }
 
+func TestQuarkListPaginates(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/file/sort" {
+			t.Fatalf("unexpected path %s", r.URL.Path)
+		}
+		page, _ := strconv.Atoi(r.URL.Query().Get("_page"))
+		w.Write([]byte(`{"status":200,"code":0,"data":{"list":[` + quarkPagePayload(page) + `]}}`))
+	}))
+	defer srv.Close()
+
+	p, err := New(TypeQuark, map[string]any{"cookie": "kps=abc", "base": srv.URL}, srv.Client())
+	if err != nil {
+		t.Fatal(err)
+	}
+	entries, err := p.List(context.Background(), "0")
+	if err != nil {
+		t.Fatalf("list: %v", err)
+	}
+	if len(entries) != 101 {
+		t.Fatalf("entries = %d, want 101", len(entries))
+	}
+	if entries[100].ID != "f100" || entries[100].Name != "Movie.100.mkv" {
+		t.Fatalf("last entry wrong: %#v", entries[100])
+	}
+}
+
+func quarkPagePayload(page int) string {
+	count := 100
+	offset := 0
+	if page > 1 {
+		count = 1
+		offset = 100
+	}
+	items := make([]string, 0, count)
+	for i := 0; i < count; i++ {
+		n := offset + i
+		items = append(items, fmt.Sprintf(`{"fid":"f%d","file_name":"Movie.%03d.mkv","dir":false,"size":%d}`, n, n, n))
+	}
+	return strings.Join(items, ",")
+}
+
 func TestQuarkForce302(t *testing.T) {
 	p := newQuark(map[string]any{"cookie": "c", "force_302": "true"}, http.DefaultClient)
 	if p.proxy {
@@ -128,6 +171,41 @@ func Test115ListAndResolve(t *testing.T) {
 	}
 }
 
+func Test115ListPaginates(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/files" {
+			t.Fatalf("unexpected path %s", r.URL.Path)
+		}
+		offset, _ := strconv.Atoi(r.URL.Query().Get("offset"))
+		count := 100
+		if offset > 0 {
+			count = 1
+		}
+		items := make([]string, 0, count)
+		for i := 0; i < count; i++ {
+			n := offset + i
+			items = append(items, fmt.Sprintf(`{"fid":"%d","n":"Movie.%03d.mkv","s":%d,"pc":"pick%d"}`, n, n, n, n))
+		}
+		w.Write([]byte(`{"state":true,"data":[` + strings.Join(items, ",") + `]}`))
+	}))
+	defer srv.Close()
+
+	p, err := New(Type115, map[string]any{"cookie": "UID=1; CID=2", "base": srv.URL}, srv.Client())
+	if err != nil {
+		t.Fatal(err)
+	}
+	entries, err := p.List(context.Background(), "0")
+	if err != nil {
+		t.Fatalf("list: %v", err)
+	}
+	if len(entries) != 101 {
+		t.Fatalf("entries = %d, want 101", len(entries))
+	}
+	if entries[100].ID != "100" || entries[100].PickCode != "pick100" {
+		t.Fatalf("last entry wrong: %#v", entries[100])
+	}
+}
+
 // Test115DownURLEndpointAndError exercises the live fetchDownURLPayload path:
 // it must POST an m115-encrypted `data` body to /app/chrome/downurl?t=... and
 // surface 115's error when state=false (no decryption needed for that branch).

internal/service/cloud/pan115.go

@@ -91,52 +91,59 @@ func (p *pan115Provider) List(ctx context.Context, dirID string) ([]FileEntry, e
 	if dirID == "" {
 		dirID = "0"
 	}
-	q := url.Values{}
-	q.Set("aid", "1")
-	q.Set("cid", dirID)
-	q.Set("o", "user_ptime")
-	q.Set("asc", "0")
-	q.Set("offset", "0")
-	q.Set("show_dir", "1")
-	q.Set("limit", "100")
-	q.Set("format", "json")
-	resp, err := p.get(ctx, p.webBase+"/files?"+q.Encode())
-	if err != nil {
-		return nil, err
-	}
-	defer resp.Body.Close()
-	var r struct {
-		State bool   `json:"state"`
-		Error string `json:"error"`
-		Data  []struct {
-			Fid string      `json:"fid"` // file id (files only)
-			Cid string      `json:"cid"` // category id (dirs use this)
-			N   string      `json:"n"`   // name
-			S   json.Number `json:"s"`   // size
-			Pc  string      `json:"pc"`  // pickcode
-		} `json:"data"`
-	}
-	if err := json.NewDecoder(resp.Body).Decode(&r); err != nil {
-		return nil, fmt.Errorf("115: decode list: %w", err)
-	}
-	if !r.State {
-		return nil, fmt.Errorf("115: list failed: %s", r.Error)
-	}
-	out := make([]FileEntry, 0, len(r.Data))
-	for _, it := range r.Data {
-		isDir := it.Fid == ""
-		id := it.Fid
-		if isDir {
-			id = it.Cid
+	const pageSize = 100
+	out := make([]FileEntry, 0, pageSize)
+	for offset := 0; ; offset += pageSize {
+		q := url.Values{}
+		q.Set("aid", "1")
+		q.Set("cid", dirID)
+		q.Set("o", "user_ptime")
+		q.Set("asc", "0")
+		q.Set("offset", strconv.Itoa(offset))
+		q.Set("show_dir", "1")
+		q.Set("limit", strconv.Itoa(pageSize))
+		q.Set("format", "json")
+		resp, err := p.get(ctx, p.webBase+"/files?"+q.Encode())
+		if err != nil {
+			return nil, err
+		}
+		var r struct {
+			State bool   `json:"state"`
+			Error string `json:"error"`
+			Data  []struct {
+				Fid string      `json:"fid"` // file id (files only)
+				Cid string      `json:"cid"` // category id (dirs use this)
+				N   string      `json:"n"`   // name
+				S   json.Number `json:"s"`   // size
+				Pc  string      `json:"pc"`  // pickcode
+			} `json:"data"`
+		}
+		err = json.NewDecoder(resp.Body).Decode(&r)
+		_ = resp.Body.Close()
+		if err != nil {
+			return nil, fmt.Errorf("115: decode list: %w", err)
+		}
+		if !r.State {
+			return nil, fmt.Errorf("115: list failed: %s", r.Error)
+		}
+		for _, it := range r.Data {
+			isDir := it.Fid == ""
+			id := it.Fid
+			if isDir {
+				id = it.Cid
+			}
+			size, _ := it.S.Int64()
+			out = append(out, FileEntry{
+				ID:       id,
+				Name:     it.N,
+				IsDir:    isDir,
+				Size:     size,
+				PickCode: it.Pc,
+			})
+		}
+		if len(r.Data) < pageSize {
+			break
 		}
-		size, _ := it.S.Int64()
-		out = append(out, FileEntry{
-			ID:       id,
-			Name:     it.N,
-			IsDir:    isDir,
-			Size:     size,
-			PickCode: it.Pc,
-		})
 	}
 	return out, nil
 }

internal/service/cloud/quark.go

@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"net/url"
 	"strings"
 )
 
@@ -85,38 +86,54 @@ func (q *quarkProvider) List(ctx context.Context, dirID string) ([]FileEntry, er
 	if dirID == "" {
 		dirID = "0"
 	}
-	path := fmt.Sprintf("/file/sort?pr=ucpro&fr=pc&uc_param_str=&pdir_fid=%s&_page=1&_size=100&_fetch_total=1&_sort=file_type:asc,updated_at:desc", dirID)
-	resp, err := q.do(ctx, http.MethodGet, path, nil)
-	if err != nil {
-		return nil, err
-	}
-	defer resp.Body.Close()
-	var r quarkResp
-	if err := json.NewDecoder(resp.Body).Decode(&r); err != nil {
-		return nil, fmt.Errorf("quark: decode list: %w", err)
-	}
-	if r.Code != 0 && r.Status != 200 {
-		return nil, fmt.Errorf("quark: list failed: %s", r.Message)
-	}
-	var data struct {
-		List []struct {
-			Fid      string `json:"fid"`
-			FileName string `json:"file_name"`
-			Dir      bool   `json:"dir"`
-			Size     int64  `json:"size"`
-		} `json:"list"`
-	}
-	if err := json.Unmarshal(r.Data, &data); err != nil {
-		return nil, fmt.Errorf("quark: decode list data: %w", err)
-	}
-	out := make([]FileEntry, 0, len(data.List))
-	for _, it := range data.List {
-		out = append(out, FileEntry{
-			ID:    it.Fid,
-			Name:  it.FileName,
-			IsDir: it.Dir,
-			Size:  it.Size,
-		})
+	const pageSize = 100
+	out := make([]FileEntry, 0, pageSize)
+	for page := 1; ; page++ {
+		query := url.Values{}
+		query.Set("pr", "ucpro")
+		query.Set("fr", "pc")
+		query.Set("uc_param_str", "")
+		query.Set("pdir_fid", dirID)
+		query.Set("_page", fmt.Sprint(page))
+		query.Set("_size", fmt.Sprint(pageSize))
+		query.Set("_fetch_total", "1")
+		query.Set("_sort", "file_type:asc,updated_at:desc")
+		path := "/file/sort?" + query.Encode()
+		resp, err := q.do(ctx, http.MethodGet, path, nil)
+		if err != nil {
+			return nil, err
+		}
+		var r quarkResp
+		err = json.NewDecoder(resp.Body).Decode(&r)
+		_ = resp.Body.Close()
+		if err != nil {
+			return nil, fmt.Errorf("quark: decode list: %w", err)
+		}
+		if r.Code != 0 && r.Status != 200 {
+			return nil, fmt.Errorf("quark: list failed: %s", r.Message)
+		}
+		var data struct {
+			List []struct {
+				Fid      string `json:"fid"`
+				FileName string `json:"file_name"`
+				Dir      bool   `json:"dir"`
+				Size     int64  `json:"size"`
+			} `json:"list"`
+		}
+		if err := json.Unmarshal(r.Data, &data); err != nil {
+			return nil, fmt.Errorf("quark: decode list data: %w", err)
+		}
+		for _, it := range data.List {
+			out = append(out, FileEntry{
+				ID:    it.Fid,
+				Name:  it.FileName,
+				IsDir: it.Dir,
+				Size:  it.Size,
+			})
+		}
+		if len(data.List) < pageSize {
+			break
+		}
 	}
 	return out, nil
 }

internal/service/emby_compat.go

@@ -423,14 +423,25 @@ func (e *EmbyService) episodeItems(ctx context.Context, rows []model.Media, p It
 func (e *EmbyService) payloadsForMedia(ctx context.Context, rows []model.Media, userID string) ([]map[string]any, error) {
 	userFavs := map[string]bool{}
 	userPos := map[string]int64{}
-	if userID != "" {
+	if userID != "" && len(rows) > 0 {
+		mediaIDs := make([]string, 0, len(rows))
+		for _, row := range rows {
+			if strings.TrimSpace(row.ID) != "" {
+				mediaIDs = append(mediaIDs, row.ID)
+			}
+		}
+		if len(mediaIDs) == 0 {
+			mediaIDs = []string{"__none__"}
+		}
 		var favs []model.Favorite
-		_ = e.repo.DB.WithContext(ctx).Where("user_id = ?", userID).Find(&favs).Error
+		favQuery := e.repo.DB.WithContext(ctx).Where("user_id = ?", userID).Where("media_id IN ?", mediaIDs)
+		_ = favQuery.Find(&favs).Error
 		for _, f := range favs {
 			userFavs[f.MediaID] = true
 		}
 		var hist []model.PlaybackHistory
-		_ = e.repo.DB.WithContext(ctx).Where("user_id = ?", userID).Find(&hist).Error
+		histQuery := e.repo.DB.WithContext(ctx).Where("user_id = ?", userID).Where("media_id IN ?", mediaIDs)
+		_ = histQuery.Find(&hist).Error
 		for _, h := range hist {
 			userPos[h.MediaID] = h.PositionMs
 		}
@@ -522,9 +533,18 @@ func (e *EmbyService) LatestItems(ctx context.Context, userID, parentID string,
 		return nil, err
 	}
 	favs := map[string]bool{}
-	if userID != "" {
+	if userID != "" && len(rows) > 0 {
+		mediaIDs := make([]string, 0, len(rows))
+		for _, row := range rows {
+			if strings.TrimSpace(row.ID) != "" {
+				mediaIDs = append(mediaIDs, row.ID)
+			}
+		}
+		if len(mediaIDs) == 0 {
+			mediaIDs = []string{"__none__"}
+		}
 		var fr []model.Favorite
-		_ = e.repo.DB.WithContext(ctx).Where("user_id = ?", userID).Find(&fr).Error
+		_ = e.repo.DB.WithContext(ctx).Where("user_id = ? AND media_id IN ?", userID, mediaIDs).Find(&fr).Error
 		for _, f := range fr {
 			favs[f.MediaID] = true
 		}
@@ -1231,9 +1251,12 @@ func (e *EmbyService) mediaSource(m *model.Media, asEmbedded, directOnly bool) m
 		}
 	}
 	if strings.TrimSpace(m.STRMURL) != "" {
-		// STRM 重定向：客户端直接拉远端，跳过我们这一层。
+		// STRM / cloud:// media still plays through /Videos/{id}/stream.
+		// That route delegates to StreamService, which appends the caller's
+		// token to internal /api/cloud/play redirects and only then 302s to the
+		// provider/CDN. Returning m.STRMURL directly here would make Emby/Yamby
+		// clients hit /api/cloud/play without an auth token and fail with 401.
 		src["IsRemote"] = true
-		src["DirectStreamUrl"] = m.STRMURL
 		src["Path"] = m.STRMURL
 	}
 	return src

internal/service/emby_compat_test.go

@@ -249,6 +249,39 @@ func TestEmbyPlaybackInfoRespectsDirectPlayOnly(t *testing.T) {
 	}
 }
 
+func TestEmbyPlaybackInfoKeepsSTRMBehindStreamEndpoint(t *testing.T) {
+	svc := newTestEmbyService(t)
+	lib := model.Library{Name: "夸克网盘", Path: `cloud://quark/0`, Type: "movie", Enabled: true}
+	if err := svc.repo.Library.Create(t.Context(), &lib); err != nil {
+		t.Fatalf("create library: %v", err)
+	}
+	media := model.Media{
+		Base:      model.Base{ID: "cloud-1"},
+		LibraryID: lib.ID,
+		Title:     "Cloud Movie",
+		Path:      `cloud://quark/f1`,
+		STRMURL:   `/api/cloud/play/quark?ref=f1`,
+	}
+	if err := svc.repo.DB.Create(&media).Error; err != nil {
+		t.Fatalf("create media: %v", err)
+	}
+
+	pb, err := svc.PlaybackInfo(t.Context(), "cloud-1", "user-1")
+	if err != nil {
+		t.Fatalf("playback info: %v", err)
+	}
+	src := pb["MediaSources"].([]map[string]any)[0]
+	if src["IsRemote"] != true {
+		t.Fatalf("strm media should be marked remote: %#v", src)
+	}
+	if src["DirectStreamUrl"] != "/Videos/cloud-1/stream" {
+		t.Fatalf("strm playback must stay behind token-aware stream endpoint: %#v", src)
+	}
+	if src["Path"] != "/api/cloud/play/quark?ref=f1" {
+		t.Fatalf("path should expose the strm target for diagnostics: %#v", src)
+	}
+}
+
 func newTestEmbyService(t *testing.T) *EmbyService {
 	t.Helper()
 	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})

internal/service/image_proxy.go

@@ -84,6 +84,12 @@ type ImageProxy struct {
 	libRootsAt     time.Time
 }
 
+const (
+	imageBrowserCacheControl     = "public, max-age=2592000, immutable"
+	imagePlaceholderCacheControl = "public, max-age=3600"
+	imageNegativeCacheTTL        = 6 * time.Hour
+)
+
 // NewImageProxy is the constructor.
 func NewImageProxy(cfg *config.Config, log *zap.Logger) *ImageProxy {
 	// Honor HTTP(S)_PROXY env vars so deployments behind GFW can pull
@@ -222,6 +228,13 @@ func servePlaceholder(w http.ResponseWriter) {
 	_, _ = w.Write(transparent1x1PNG)
 }
 
+func serveCachedPlaceholder(w http.ResponseWriter) {
+	w.Header().Set("Content-Type", "image/png")
+	w.Header().Set("Cache-Control", imagePlaceholderCacheControl)
+	w.WriteHeader(http.StatusOK)
+	_, _ = w.Write(transparent1x1PNG)
+}
+
 // Serve writes the requested image to w. Caller is expected to validate
 // the JWT before invoking it.
 func (p *ImageProxy) Serve(ctx context.Context, w http.ResponseWriter, r *http.Request, raw string) error {
@@ -244,7 +257,7 @@ func (p *ImageProxy) Serve(ctx context.Context, w http.ResponseWriter, r *http.R
 			modTime = stat.ModTime()
 		}
 		w.Header().Set("Content-Type", detectContentType(data))
-		w.Header().Set("Cache-Control", "public, max-age=604800")
+		w.Header().Set("Cache-Control", imageBrowserCacheControl)
 		http.ServeContent(w, r, filepath.Base(path), modTime, bytes.NewReader(data))
 		return nil
 	}
@@ -261,11 +274,12 @@ func (p *ImageProxy) Serve(ctx context.Context, w http.ResponseWriter, r *http.R
 	sum := sha1.Sum([]byte(raw))
 	key := hex.EncodeToString(sum[:])
 	cachePath := filepath.Join(p.cacheDir, key)
+	failPath := cachePath + ".fail"
 
 	// Cache hit.
 	if data, err := os.ReadFile(cachePath); err == nil && len(data) > 0 {
 		w.Header().Set("Content-Type", detectContentType(data))
-		w.Header().Set("Cache-Control", "public, max-age=604800")
+		w.Header().Set("Cache-Control", imageBrowserCacheControl)
 		stat, _ := os.Stat(cachePath)
 		modTime := time.Now()
 		if stat != nil {
@@ -274,6 +288,12 @@ func (p *ImageProxy) Serve(ctx context.Context, w http.ResponseWriter, r *http.R
 		http.ServeContent(w, r, key, modTime, bytes.NewReader(data))
 		return nil
 	}
+	if stat, err := os.Stat(failPath); err == nil && time.Since(stat.ModTime()) < imageNegativeCacheTTL {
+		serveCachedPlaceholder(w)
+		return nil
+	} else if err == nil {
+		_ = os.Remove(failPath)
+	}
 
 	// Cache miss → fetch upstream.
 	if err := os.MkdirAll(p.cacheDir, 0o755); err != nil {
@@ -298,14 +318,16 @@ func (p *ImageProxy) Serve(ctx context.Context, w http.ResponseWriter, r *http.R
 	if err != nil {
 		p.log.Warn("imageproxy: upstream fetch failed",
 			zap.String("host", host), zap.Error(err))
-		servePlaceholder(w)
+		p.markImageFetchFailed(failPath)
+		serveCachedPlaceholder(w)
 		return nil
 	}
 	defer resp.Body.Close()
 	if resp.StatusCode >= 400 {
 		p.log.Warn("imageproxy: upstream returned non-OK",
 			zap.String("host", host), zap.String("status", resp.Status))
-		servePlaceholder(w)
+		p.markImageFetchFailed(failPath)
+		serveCachedPlaceholder(w)
 		return nil
 	}
 
@@ -313,7 +335,8 @@ func (p *ImageProxy) Serve(ctx context.Context, w http.ResponseWriter, r *http.R
 	if err != nil || len(data) == 0 {
 		p.log.Warn("imageproxy: read upstream body failed",
 			zap.String("host", host), zap.Error(err))
-		servePlaceholder(w)
+		p.markImageFetchFailed(failPath)
+		serveCachedPlaceholder(w)
 		return nil
 	}
 
@@ -325,6 +348,8 @@ func (p *ImageProxy) Serve(ctx context.Context, w http.ResponseWriter, r *http.R
 			tmp.Close()
 			if rerr := os.Rename(tmp.Name(), cachePath); rerr != nil {
 				_ = os.Remove(tmp.Name())
+			} else {
+				_ = os.Remove(failPath)
 			}
 		} else {
 			tmp.Close()
@@ -347,11 +372,20 @@ func (p *ImageProxy) Serve(ctx context.Context, w http.ResponseWriter, r *http.R
 	if v := resp.Header.Get("Last-Modified"); v != "" {
 		w.Header().Set("Last-Modified", v)
 	}
-	w.Header().Set("Cache-Control", "public, max-age=604800")
+	w.Header().Set("Cache-Control", imageBrowserCacheControl)
 	http.ServeContent(w, r, key, time.Now(), bytes.NewReader(data))
 	return nil
 }
 
+func (p *ImageProxy) markImageFetchFailed(failPath string) {
+	if err := os.MkdirAll(filepath.Dir(failPath), 0o755); err != nil {
+		return
+	}
+	p.mu.Lock()
+	defer p.mu.Unlock()
+	_ = os.WriteFile(failPath, []byte(time.Now().Format(time.RFC3339Nano)), 0o644)
+}
+
 // Fetch 拉取远程图片并返回字节和 Content-Type（带缓存）。
 func (p *ImageProxy) Fetch(ctx context.Context, raw string) ([]byte, string, error) {
 	u, err := p.validateURL(raw)

internal/service/image_proxy_test.go

@@ -1,10 +1,13 @@
 package service
 
 import (
+	"io"
 	"net/http"
 	"net/http/httptest"
 	"os"
 	"path/filepath"
+	"strings"
+	"sync/atomic"
 	"testing"
 
 	"go.uber.org/zap"
@@ -78,6 +81,46 @@ func TestImageProxyServesPosterUnderLibraryRoot(t *testing.T) {
 	}
 }
 
+func TestImageProxyCachesFailedRemoteImageFetch(t *testing.T) {
+	var calls int32
+	proxy := NewImageProxy(&config.Config{Cache: config.CacheConfig{CacheDir: filepath.Join(t.TempDir(), "cache")}}, zap.NewNop())
+	proxy.client = &http.Client{Transport: imageRoundTripFunc(func(req *http.Request) (*http.Response, error) {
+		atomic.AddInt32(&calls, 1)
+		return &http.Response{
+			StatusCode: http.StatusBadGateway,
+			Status:     "502 Bad Gateway",
+			Header:     make(http.Header),
+			Body:       io.NopCloser(strings.NewReader("upstream unavailable")),
+			Request:    req,
+		}, nil
+	})}
+	raw := "https://image.tmdb.org/t/p/w500/poster.jpg"
+	for i := 0; i < 2; i++ {
+		rec := httptest.NewRecorder()
+		if err := proxy.Serve(t.Context(), rec, httptest.NewRequest(http.MethodGet, "/api/img", nil), raw); err != nil {
+			t.Fatal(err)
+		}
+		if rec.Code != http.StatusOK {
+			t.Fatalf("status = %d, want 200", rec.Code)
+		}
+		if rec.Body.Len() != len(transparent1x1PNG) {
+			t.Fatalf("body length = %d, want placeholder %d", rec.Body.Len(), len(transparent1x1PNG))
+		}
+		if got := rec.Header().Get("Cache-Control"); got != imagePlaceholderCacheControl {
+			t.Fatalf("Cache-Control = %q, want %q", got, imagePlaceholderCacheControl)
+		}
+	}
+	if got := atomic.LoadInt32(&calls); got != 1 {
+		t.Fatalf("upstream calls = %d, want 1 due to negative cache", got)
+	}
+}
+
+type imageRoundTripFunc func(*http.Request) (*http.Response, error)
+
+func (f imageRoundTripFunc) RoundTrip(req *http.Request) (*http.Response, error) {
+	return f(req)
+}
+
 func TestIsPrivateHost(t *testing.T) {
 	blocked := []string{"127.0.0.1", "10.0.0.5", "192.168.1.10", "169.254.169.254", "0.0.0.0", "::1", ""}
 	for _, h := range blocked {

internal/service/media.go

@@ -92,6 +92,70 @@ func resolveAccessibleLibraryPath(path string) (string, error) {
 	return "", fmt.Errorf("path is not an accessible directory: %s", abs)
 }
 
+func resolveAccessibleMappedPath(path string) (string, os.FileInfo, error) {
+	input := strings.TrimSpace(path)
+	if input == "" {
+		return "", nil, errors.New("path required")
+	}
+	candidates := mappedPathCandidates(input)
+	for _, candidate := range candidates {
+		if info, err := os.Stat(candidate); err == nil {
+			return filepath.Clean(candidate), info, nil
+		}
+	}
+	abs, err := filepath.Abs(input)
+	if err != nil {
+		return "", nil, fmt.Errorf("invalid path: %w", err)
+	}
+	return "", nil, fmt.Errorf("path is not accessible: %s", abs)
+}
+
+func resolveMappedDestinationPath(path string) string {
+	path = strings.TrimSpace(path)
+	if path == "" {
+		return ""
+	}
+	clean := filepath.Clean(path)
+	if _, err := os.Stat(clean); err == nil {
+		return clean
+	}
+	for _, candidate := range mappedPathCandidates(clean) {
+		if candidate == clean {
+			continue
+		}
+		return filepath.Clean(candidate)
+	}
+	return clean
+}
+
+func mappedPathCandidates(input string) []string {
+	var candidates []string
+	add := func(candidate string) {
+		candidate = filepath.Clean(filepath.FromSlash(strings.TrimSpace(candidate)))
+		if candidate == "" || candidate == "." {
+			return
+		}
+		for _, existing := range candidates {
+			if sameLibraryPath(existing, candidate) {
+				return
+			}
+		}
+		candidates = append(candidates, candidate)
+	}
+	clean := filepath.Clean(input)
+	add(clean)
+	for _, candidate := range dockerVolumePathCandidates(clean) {
+		add(candidate)
+	}
+	if abs, err := filepath.Abs(input); err == nil {
+		add(abs)
+		for _, candidate := range dockerVolumePathCandidates(abs) {
+			add(candidate)
+		}
+	}
+	return candidates
+}
+
 func isAccessibleDir(path string) bool {
 	info, err := os.Stat(path)
 	return err == nil && info.IsDir()

internal/service/organizer_directory.go

@@ -108,16 +108,15 @@ func (o *OrganizerService) defaultDestRoot(ctx context.Context, override string)
 // OrganizeDirectory organizes every video file found under opts.SourcePath into
 // the destination root, applying dedup + 洗版 (resolution replacement).
 func (o *OrganizerService) OrganizeDirectory(ctx context.Context, opts OrganizeOptions) (*OrganizeResult, error) {
-	source := strings.TrimSpace(o.defaultSourceRoot(ctx, opts.SourcePath))
-	if source == "" {
+	requestedSource := strings.TrimSpace(o.defaultSourceRoot(ctx, opts.SourcePath))
+	if requestedSource == "" {
 		return nil, errors.New("source path required")
 	}
-	source = filepath.Clean(source)
-	info, statErr := os.Stat(source)
+	source, info, statErr := resolveAccessibleMappedPath(requestedSource)
 	if statErr != nil {
-		return nil, fmt.Errorf("source directory not accessible: %s", source)
+		return nil, fmt.Errorf("source directory not accessible: %s", filepath.Clean(requestedSource))
 	}
-	dest := filepath.Clean(o.defaultDestRoot(ctx, opts.DestPath))
+	dest := resolveMappedDestinationPath(o.defaultDestRoot(ctx, opts.DestPath))
 	if dest == "" || dest == "." {
 		return nil, errors.New("destination path required")
 	}

internal/service/organizer_directory_test.go

@@ -100,6 +100,44 @@ func TestOrganizeDirectoryUsesConfiguredSourceWhenRequestSourceEmpty(t *testing.
 	}
 }
 
+func TestOrganizeDirectoryMapsConfiguredHostPathsToContainerPaths(t *testing.T) {
+	root := t.TempDir()
+	hostDownloads := filepath.Join(root, "nas-host", "downloads")
+	hostMedia := filepath.Join(root, "nas-host", "media")
+	containerDownloads := filepath.Join(root, "container", "downloads")
+	containerMedia := filepath.Join(root, "container", "media")
+	containerSource := filepath.Join(containerDownloads, "国产剧")
+	writeOrgFile(t, filepath.Join(containerSource, "Some Show S01E01 2024 1080p.mkv"), "show-e01")
+
+	t.Setenv("MEDIASTATION_DOWNLOAD_DIR", hostDownloads)
+	t.Setenv("MEDIASTATION_DOWNLOAD_CONTAINER_DIR", containerDownloads)
+	t.Setenv("MEDIASTATION_MEDIA_DIR", hostMedia)
+	t.Setenv("MEDIASTATION_MEDIA_CONTAINER_DIR", containerMedia)
+
+	repos := newOrganizerTestRepo(t)
+	for key, value := range map[string]string{
+		"organize.source_dir":    filepath.Join(hostDownloads, "国产剧"),
+		"organize.target_dir":    hostMedia,
+		"organize.transfer_mode": "copy",
+	} {
+		if err := repos.Setting.Set(t.Context(), key, value); err != nil {
+			t.Fatal(err)
+		}
+	}
+	org := NewOrganizerService(&config.Config{}, zap.NewNop(), repos)
+	res, err := org.OrganizeDirectory(t.Context(), OrganizeOptions{})
+	if err != nil {
+		t.Fatalf("organize mapped host paths: %v", err)
+	}
+	if res.SourcePath != filepath.Clean(containerSource) || res.DestPath != filepath.Clean(containerMedia) {
+		t.Fatalf("result paths = source %q dest %q, want %q -> %q", res.SourcePath, res.DestPath, containerSource, containerMedia)
+	}
+	want := filepath.Join(containerMedia, "电视剧", "国产剧", "Some Show", "Season 01", "Some Show - S01E01.mkv")
+	if _, err := os.Stat(want); err != nil {
+		t.Fatalf("expected organized file at %q: %v", want, err)
+	}
+}
+
 func TestOrganizeDirectoryAcceptsSingleVideoFileSource(t *testing.T) {
 	root := t.TempDir()
 	src := filepath.Join(root, "downloads", "Dune 2021 2160p WEB-DL.mkv")

internal/service/playback.go

@@ -64,11 +64,26 @@ func (p *PlaybackService) RecentHistory(ctx context.Context, userID string, limi
 	if err != nil {
 		return nil, err
 	}
+	mediaIDs := make([]string, 0, len(rows))
+	for i := range rows {
+		if rows[i].MediaID != "" {
+			mediaIDs = append(mediaIDs, rows[i].MediaID)
+		}
+	}
+	mediaByID := map[string]model.Media{}
+	if len(mediaIDs) > 0 {
+		var mediaRows []model.Media
+		if err := p.repo.DB.WithContext(ctx).Where("id IN ?", mediaIDs).Find(&mediaRows).Error; err == nil {
+			for _, media := range mediaRows {
+				mediaByID[media.ID] = media
+			}
+		}
+	}
 	items := make([]HistoryItem, 0, len(rows))
 	for i := range rows {
-		var m model.Media
-		if err := p.repo.DB.Where("id = ?", rows[i].MediaID).First(&m).Error; err == nil {
-			items = append(items, HistoryItem{PlaybackHistory: rows[i], Media: &m})
+		if m, ok := mediaByID[rows[i].MediaID]; ok {
+			media := m
+			items = append(items, HistoryItem{PlaybackHistory: rows[i], Media: &media})
 		} else {
 			items = append(items, HistoryItem{PlaybackHistory: rows[i]})
 		}

internal/service/scanner.go

@@ -12,6 +12,8 @@ package service
 
 import (
 	"context"
+	"fmt"
+	"net/url"
 	"os"
 	"path/filepath"
 	"strings"
@@ -49,6 +51,7 @@ type ScannerService struct {
 	hub     *Hub
 	probe   *FFprobeService
 	scraper *ScraperService
+	storage *StorageConfigService
 }
 
 // NewScannerService is the constructor.
@@ -66,6 +69,13 @@ func NewScannerService(
 	}
 }
 
+// SetStorageConfig wires cloud-disk storage access into the scanner. It is set
+// after service construction because StorageConfigService depends on Crypto,
+// while the scanner is needed earlier by watcher/download services.
+func (s *ScannerService) SetStorageConfig(storage *StorageConfigService) {
+	s.storage = storage
+}
+
 // ScanResult summarises a scan run.
 type ScanResult struct {
 	LibraryID     string `json:"library_id"`
@@ -88,6 +98,9 @@ func (s *ScannerService) scanLibrary(ctx context.Context, libraryID string, auto
 	if err != nil || lib == nil {
 		return nil, err
 	}
+	if typ, dirID, ok := parseCloudLibraryPath(lib.Path); ok {
+		return s.scanCloudLibrary(ctx, lib, typ, dirID, autoScrape)
+	}
 	res := &ScanResult{LibraryID: lib.ID}
 	seen := make(map[string]struct{})
 	seenInodes := make(map[string]string)
@@ -161,6 +174,124 @@ func (s *ScannerService) IngestPath(ctx context.Context, libraryID, path string)
 	return res.Added+res.Updated > 0, nil
 }
 
+func (s *ScannerService) scanCloudLibrary(ctx context.Context, lib *model.Library, typ, rootDir string, autoScrape bool) (*ScanResult, error) {
+	res := &ScanResult{LibraryID: lib.ID}
+	if s.storage == nil {
+		return res, fmt.Errorf("cloud storage service unavailable")
+	}
+	seen := make(map[string]struct{})
+	visitedDirs := map[string]struct{}{}
+	var walkCloud func(string) error
+	walkCloud = func(dirID string) error {
+		if _, ok := visitedDirs[dirID]; ok {
+			return nil
+		}
+		visitedDirs[dirID] = struct{}{}
+		entries, err := s.storage.CloudList(ctx, typ, dirID)
+		if err != nil {
+			return err
+		}
+		for _, entry := range entries {
+			select {
+			case <-ctx.Done():
+				return ctx.Err()
+			default:
+			}
+			if entry.IsDir {
+				if strings.TrimSpace(entry.ID) != "" {
+					if err := walkCloud(entry.ID); err != nil {
+						return err
+					}
+				}
+				continue
+			}
+			ext := strings.ToLower(filepath.Ext(entry.Name))
+			if _, ok := videoExtensions[ext]; !ok {
+				continue
+			}
+			ref := cloudEntryRef(typ, entry.ID, entry.PickCode)
+			if ref == "" {
+				res.Skipped++
+				continue
+			}
+			path := cloudMediaPath(typ, ref)
+			seen[path] = struct{}{}
+			s.ingestCloudFile(ctx, lib, typ, ref, entry.Name, entry.Size, res)
+		}
+		return nil
+	}
+	if err := walkCloud(rootDir); err != nil {
+		return res, err
+	}
+	removed, err := s.pruneMissingCloudMedia(ctx, lib.ID, seen)
+	if err != nil {
+		s.log.Warn("prune missing cloud media failed", zap.String("library_id", lib.ID), zap.Error(err))
+	} else {
+		res.Removed = removed
+	}
+	s.hub.Publish("scan", map[string]any{
+		"library_id": lib.ID,
+		"finished":   true,
+		"visited":    res.Visited,
+		"added":      res.Added,
+		"updated":    res.Updated,
+		"removed":    res.Removed,
+		"cloud":      true,
+	})
+	if autoScrape && s.scraper != nil && s.scraper.AnyEnabled() && s.autoScrapeEnabled(ctx) {
+		go func(libID string) {
+			if _, err := s.scraper.EnrichLibrary(context.Background(), libID); err != nil {
+				s.log.Warn("scraper enrich failed", zap.Error(err))
+			}
+		}(lib.ID)
+	}
+	return res, nil
+}
+
+func (s *ScannerService) ingestCloudFile(ctx context.Context, lib *model.Library, typ, ref, name string, size int64, res *ScanResult) {
+	res.Visited++
+	ext := strings.ToLower(filepath.Ext(name))
+	title, year := CleanQuery(name)
+	if title == "" {
+		title = strings.TrimSuffix(filepath.Base(name), ext)
+	}
+	if title == "" {
+		title = ref
+	}
+	path := cloudMediaPath(typ, ref)
+	isNewMedia := !s.mediaPathExists(ctx, path)
+	m := &model.Media{
+		LibraryID:    lib.ID,
+		Title:        title,
+		Year:         year,
+		Path:         path,
+		SizeBytes:    size,
+		Container:    strings.TrimPrefix(ext, "."),
+		STRMURL:      "/api/cloud/play/" + typ + "?ref=" + url.QueryEscape(ref),
+		ScrapeStatus: "pending",
+	}
+	parsedSeason, parsedEpisode := ParseEpisode(name)
+	m.SeasonNum = parsedSeason
+	m.EpisodeNum = parsedEpisode
+	if err := s.repo.Media.Upsert(ctx, m); err != nil {
+		s.log.Warn("upsert cloud media failed", zap.String("path", path), zap.Error(err))
+		return
+	}
+	if isNewMedia {
+		res.Added++
+	} else {
+		res.Updated++
+	}
+	s.hub.Publish("scan", map[string]any{
+		"library_id": lib.ID,
+		"path":       path,
+		"visited":    res.Visited,
+		"added":      res.Added,
+		"updated":    res.Updated,
+		"cloud":      true,
+	})
+}
+
 // RemovePath deletes the media row for a path that has disappeared from disk
 // (incremental delete used by the watcher on Remove/Rename events).
 func (s *ScannerService) RemovePath(ctx context.Context, path string) (int64, error) {
@@ -326,6 +457,63 @@ func (s *ScannerService) pruneMissingMedia(ctx context.Context, libraryID string
 	return removed, nil
 }
 
+func (s *ScannerService) pruneMissingCloudMedia(ctx context.Context, libraryID string, seen map[string]struct{}) (int64, error) {
+	var rows []model.Media
+	if err := s.repo.DB.WithContext(ctx).
+		Where("library_id = ? AND path LIKE ?", libraryID, "cloud://%").
+		Find(&rows).Error; err != nil {
+		return 0, err
+	}
+	var removed int64
+	for _, row := range rows {
+		if _, ok := seen[row.Path]; ok {
+			continue
+		}
+		res := s.repo.DB.WithContext(ctx).
+			Where("id = ?", row.ID).
+			Delete(&model.Media{})
+		if res.Error != nil {
+			return removed, res.Error
+		}
+		removed += res.RowsAffected
+	}
+	return removed, nil
+}
+
+func parseCloudLibraryPath(raw string) (typ, dirID string, ok bool) {
+	raw = strings.TrimSpace(raw)
+	if !strings.HasPrefix(strings.ToLower(raw), "cloud://") {
+		return "", "", false
+	}
+	u, err := url.Parse(raw)
+	if err != nil || strings.ToLower(u.Scheme) != "cloud" {
+		return "", "", false
+	}
+	typ = strings.TrimSpace(u.Host)
+	if typ == "" {
+		return "", "", false
+	}
+	dirID = strings.Trim(strings.TrimSpace(u.Path), "/")
+	if qDir := strings.TrimSpace(u.Query().Get("dir")); qDir != "" {
+		dirID = qDir
+	}
+	if decoded, err := url.PathUnescape(dirID); err == nil {
+		dirID = decoded
+	}
+	return typ, dirID, true
+}
+
+func cloudEntryRef(typ, id, pickCode string) string {
+	if typ == "cloud115" && strings.TrimSpace(pickCode) != "" {
+		return strings.TrimSpace(pickCode)
+	}
+	return strings.TrimSpace(id)
+}
+
+func cloudMediaPath(typ, ref string) string {
+	return "cloud://" + strings.TrimSpace(typ) + "/" + strings.TrimSpace(ref)
+}
+
 func applyLocalMetadata(m *model.Media, local *LocalMetadata) {
 	if local.Title != "" {
 		m.Title = local.Title

internal/service/scanner_cloud_test.go

@@ -0,0 +1,117 @@
+package service
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"github.com/glebarez/sqlite"
+	"go.uber.org/zap"
+	"gorm.io/gorm"
+
+	"github.com/ShukeBta/MediaStationGo/internal/config"
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/repository"
+)
+
+func TestScanCloudLibraryImportsRecursivePlayableMedia(t *testing.T) {
+	empty := false
+	upstream := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/file/sort" {
+			t.Fatalf("unexpected path %s", r.URL.Path)
+		}
+		w.Header().Set("Content-Type", "application/json")
+		if empty {
+			_, _ = w.Write([]byte(`{"status":200,"code":0,"data":{"list":[]}}`))
+			return
+		}
+		switch r.URL.Query().Get("pdir_fid") {
+		case "0":
+			_, _ = w.Write([]byte(`{"status":200,"code":0,"data":{"list":[
+				{"fid":"d1","file_name":"Movies","dir":true,"size":0},
+				{"fid":"f1","file_name":"Root.Movie.2024.mkv","dir":false,"size":123}
+			]}}`))
+		case "d1":
+			_, _ = w.Write([]byte(`{"status":200,"code":0,"data":{"list":[
+				{"fid":"f2","file_name":"Nested.Show.S01E02.mp4","dir":false,"size":456}
+			]}}`))
+		default:
+			t.Fatalf("unexpected pdir_fid %q", r.URL.Query().Get("pdir_fid"))
+		}
+	}))
+	defer upstream.Close()
+
+	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := db.AutoMigrate(&model.Library{}, &model.Media{}, &model.Setting{}, &model.StorageConfig{}); err != nil {
+		t.Fatal(err)
+	}
+	repos := repository.New(db)
+	log := zap.NewNop()
+	storage := NewStorageConfigService(log, repos, NewCryptoService("", log))
+	if _, err := storage.Save(t.Context(), StorageInput{
+		Type: "quark",
+		Config: map[string]any{
+			"cookie": "kps=test",
+			"base":   upstream.URL,
+		},
+	}); err != nil {
+		t.Fatal(err)
+	}
+	lib := model.Library{Name: "夸克网盘", Path: "cloud://quark/0", Type: "tv", Enabled: true}
+	if err := repos.Library.Create(t.Context(), &lib); err != nil {
+		t.Fatal(err)
+	}
+	scanner := NewScannerService(&config.Config{}, log, repos, NewHub(log), nil, nil)
+	scanner.SetStorageConfig(storage)
+
+	res, err := scanner.ScanLibrary(t.Context(), lib.ID)
+	if err != nil {
+		t.Fatalf("scan cloud: %v", err)
+	}
+	if res.Visited != 2 || res.Added != 2 {
+		t.Fatalf("scan result = %#v, want visited=2 added=2", res)
+	}
+	var rows []model.Media
+	if err := repos.DB.Order("path").Find(&rows).Error; err != nil {
+		t.Fatal(err)
+	}
+	if len(rows) != 2 {
+		t.Fatalf("media rows = %d, want 2: %#v", len(rows), rows)
+	}
+	if rows[0].Path != "cloud://quark/f1" || rows[0].STRMURL != "/api/cloud/play/quark?ref=f1" {
+		t.Fatalf("root media path/strm wrong: path=%q strm=%q", rows[0].Path, rows[0].STRMURL)
+	}
+	if rows[1].SeasonNum != 1 || rows[1].EpisodeNum != 2 || !strings.Contains(rows[1].STRMURL, "ref=f2") {
+		t.Fatalf("nested episode metadata wrong: %#v", rows[1])
+	}
+
+	empty = true
+	res, err = scanner.ScanLibrary(t.Context(), lib.ID)
+	if err != nil {
+		t.Fatalf("rescan cloud: %v", err)
+	}
+	if res.Removed != 2 {
+		t.Fatalf("removed = %d, want 2", res.Removed)
+	}
+	if got := countMedia(t, repos); got != 0 {
+		t.Fatalf("media count after prune = %d, want 0", got)
+	}
+}
+
+func TestCloudLibraryPathParsing(t *testing.T) {
+	typ, dir, ok := parseCloudLibraryPath("cloud://cloud115/abc%20123?ignored=1")
+	if !ok || typ != "cloud115" || dir != "abc 123" {
+		t.Fatalf("parse path got typ=%q dir=%q ok=%v", typ, dir, ok)
+	}
+	typ, dir, ok = parseCloudLibraryPath("cloud://quark?dir=0")
+	if !ok || typ != "quark" || dir != "0" {
+		t.Fatalf("parse query got typ=%q dir=%q ok=%v", typ, dir, ok)
+	}
+	if ref := cloudEntryRef("cloud115", "fid", "pick"); ref != "pick" {
+		t.Fatalf("115 ref = %q, want pick", ref)
+	}
+}

internal/service/scheduler.go

@@ -44,6 +44,7 @@ type SchedulerService struct {
 	scanner    *ScannerService
 	transcoder *TranscoderService
 	organizer  *OrganizerService
+	storageCfg *StorageConfigService
 	hub        *Hub
 	cacheDir   string
 
@@ -70,6 +71,7 @@ func NewSchedulerService(
 	scanner *ScannerService,
 	transcoder *TranscoderService,
 	organizer *OrganizerService,
+	storageCfg *StorageConfigService,
 	hub *Hub,
 	cacheDir string,
 ) *SchedulerService {
@@ -79,6 +81,7 @@ func NewSchedulerService(
 		scanner:    scanner,
 		transcoder: transcoder,
 		organizer:  organizer,
+		storageCfg: storageCfg,
 		hub:        hub,
 		cacheDir:   cacheDir,
 		stopCh:     make(chan struct{}),
@@ -93,6 +96,16 @@ func (s *SchedulerService) Start(ctx context.Context) {
 			interval: 60 * time.Minute,
 			run:      s.jobScanLibraries,
 		},
+		{
+			name:     "cloud_sync",
+			interval: s.cloudSyncInterval(ctx),
+			run:      s.jobSyncCloudLibraries,
+		},
+		{
+			name:     "cloud_upload",
+			interval: s.cloudUploadInterval(ctx),
+			run:      s.jobUploadLocalToCloud,
+		},
 		{
 			name:     "organize_source",
 			interval: s.organizeSourceInterval(ctx),
@@ -227,6 +240,137 @@ func (s *SchedulerService) jobScanLibraries(ctx context.Context) error {
 	return nil
 }
 
+// jobUploadLocalToCloud copies local media files into the configured external
+// storage backend. It is opt-in and never deletes the local source files.
+func (s *SchedulerService) jobUploadLocalToCloud(ctx context.Context) error {
+	manual, _ := ctx.Value(schedulerManualRunKey{}).(bool)
+	if s.storageCfg == nil || (!manual && !s.autoCloudUploadEnabled(ctx)) {
+		return nil
+	}
+	input := s.cloudUploadInput(ctx)
+	if strings.TrimSpace(input.Type) == "" || strings.TrimSpace(input.SourcePath) == "" {
+		return nil
+	}
+	res, err := s.storageCfg.UploadLocal(ctx, input)
+	if s.log != nil && res != nil {
+		s.log.Info("cloud upload finished",
+			zap.String("type", input.Type),
+			zap.String("source", res.SourcePath),
+			zap.String("dest", res.DestPath),
+			zap.Int("uploaded", res.Uploaded),
+			zap.Int("skipped", res.Skipped),
+			zap.Int64("bytes", res.Bytes),
+			zap.Int("errors", len(res.Errors)),
+		)
+	}
+	return err
+}
+
+func (s *SchedulerService) cloudUploadInput(ctx context.Context) CloudUploadInput {
+	get := func(key string) string {
+		if s.repo == nil || s.repo.Setting == nil {
+			return ""
+		}
+		v, _ := s.repo.Setting.Get(ctx, key)
+		return strings.TrimSpace(v)
+	}
+	return CloudUploadInput{
+		Type:            get(CloudUploadProviderKey),
+		SourcePath:      get(CloudUploadSourceDirKey),
+		DestPath:        get(CloudUploadDestPathKey),
+		Recursive:       parseBoolSetting(get(CloudUploadRecursiveKey), true),
+		IncludeSidecars: parseBoolSetting(get(CloudUploadSidecarsKey), true),
+		Overwrite:       parseBoolSetting(get(CloudUploadOverwriteKey), false),
+	}
+}
+
+func (s *SchedulerService) autoCloudUploadEnabled(ctx context.Context) bool {
+	if s.repo == nil || s.repo.Setting == nil {
+		return false
+	}
+	v, err := s.repo.Setting.Get(ctx, CloudUploadAutoEnabledKey)
+	if err != nil {
+		return false
+	}
+	return parseBoolSetting(v, false)
+}
+
+func (s *SchedulerService) cloudUploadInterval(ctx context.Context) time.Duration {
+	const fallback = time.Hour
+	if s.repo == nil || s.repo.Setting == nil {
+		return fallback
+	}
+	v, err := s.repo.Setting.Get(ctx, CloudUploadIntervalSecondsKey)
+	if err != nil {
+		return fallback
+	}
+	seconds, err := strconv.Atoi(strings.TrimSpace(v))
+	if err != nil || seconds <= 0 {
+		return fallback
+	}
+	if seconds < 300 {
+		seconds = 300
+	}
+	return time.Duration(seconds) * time.Second
+}
+
+// jobSyncCloudLibraries keeps mounted cloud:// libraries refreshed without
+// enabling full disk scans. It imports remote cloud files as STRM-backed media
+// rows; the actual bytes stay on the provider and playback continues through
+// /api/cloud/play 302/proxy.
+func (s *SchedulerService) jobSyncCloudLibraries(ctx context.Context) error {
+	manual, _ := ctx.Value(schedulerManualRunKey{}).(bool)
+	if s.scanner == nil || (!manual && !s.autoCloudSyncEnabled(ctx)) {
+		return nil
+	}
+	libs, err := s.repo.Library.List(ctx)
+	if err != nil {
+		return err
+	}
+	for _, l := range libs {
+		if !l.Enabled {
+			continue
+		}
+		if _, _, ok := parseCloudLibraryPath(l.Path); !ok {
+			continue
+		}
+		if _, err := s.scanner.ScanLibrary(ctx, l.ID); err != nil {
+			s.log.Warn("cloud sync failed", zap.String("library", l.ID), zap.Error(err))
+		}
+	}
+	return nil
+}
+
+func (s *SchedulerService) autoCloudSyncEnabled(ctx context.Context) bool {
+	if s.repo == nil || s.repo.Setting == nil {
+		return true
+	}
+	v, err := s.repo.Setting.Get(ctx, "cloud.auto_sync_enabled")
+	if err != nil {
+		return true
+	}
+	return parseBoolSetting(v, true)
+}
+
+func (s *SchedulerService) cloudSyncInterval(ctx context.Context) time.Duration {
+	const fallback = 30 * time.Minute
+	if s.repo == nil || s.repo.Setting == nil {
+		return fallback
+	}
+	v, err := s.repo.Setting.Get(ctx, "cloud.sync_interval_seconds")
+	if err != nil {
+		return fallback
+	}
+	seconds, err := strconv.Atoi(strings.TrimSpace(v))
+	if err != nil || seconds <= 0 {
+		return fallback
+	}
+	if seconds < 300 {
+		seconds = 300
+	}
+	return time.Duration(seconds) * time.Second
+}
+
 // periodicScanEnabled reports whether the operator opted into periodic full
 // library re-scans. Defaults to false so the incremental watcher is the only
 // thing touching the disk under normal operation.

internal/service/scheduler_test.go

@@ -1,14 +1,20 @@
 package service
 
 import (
+	"net/http"
+	"net/http/httptest"
 	"os"
 	"path/filepath"
 	"testing"
 	"time"
 
+	"github.com/glebarez/sqlite"
 	"go.uber.org/zap"
+	"gorm.io/gorm"
 
 	"github.com/ShukeBta/MediaStationGo/internal/config"
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/repository"
 )
 
 func TestSchedulerOrganizeSourceDisabledByDefault(t *testing.T) {
@@ -30,7 +36,7 @@ func TestSchedulerOrganizeSourceDisabledByDefault(t *testing.T) {
 	}
 
 	organizer := NewOrganizerService(&config.Config{}, zap.NewNop(), repos)
-	scheduler := NewSchedulerService(zap.NewNop(), repos, nil, nil, organizer, NewHub(zap.NewNop()), "")
+	scheduler := NewSchedulerService(zap.NewNop(), repos, nil, nil, organizer, nil, NewHub(zap.NewNop()), "")
 	if err := scheduler.jobOrganizeSource(t.Context()); err != nil {
 		t.Fatalf("disabled organize source job should be a no-op: %v", err)
 	}
@@ -60,7 +66,7 @@ func TestSchedulerOrganizeSourceUsesConfiguredSourceAndDestination(t *testing.T)
 	}
 
 	organizer := NewOrganizerService(&config.Config{}, zap.NewNop(), repos)
-	scheduler := NewSchedulerService(zap.NewNop(), repos, nil, nil, organizer, NewHub(zap.NewNop()), "")
+	scheduler := NewSchedulerService(zap.NewNop(), repos, nil, nil, organizer, nil, NewHub(zap.NewNop()), "")
 	if err := scheduler.jobOrganizeSource(t.Context()); err != nil {
 		t.Fatalf("organize source job: %v", err)
 	}
@@ -89,7 +95,7 @@ func TestSchedulerRunNowOrganizeSourceBypassesDisabledSwitch(t *testing.T) {
 	}
 
 	organizer := NewOrganizerService(&config.Config{}, zap.NewNop(), repos)
-	scheduler := NewSchedulerService(zap.NewNop(), repos, nil, nil, organizer, NewHub(zap.NewNop()), "")
+	scheduler := NewSchedulerService(zap.NewNop(), repos, nil, nil, organizer, nil, NewHub(zap.NewNop()), "")
 	scheduler.jobs = []*scheduledJob{{
 		name:     "organize_source",
 		interval: time.Minute,
@@ -105,3 +111,53 @@ func TestSchedulerRunNowOrganizeSourceBypassesDisabledSwitch(t *testing.T) {
 		t.Fatalf("expected run-now organize output at %q: %v", want, err)
 	}
 }
+
+func TestSchedulerCloudSyncImportsMountedCloudLibrary(t *testing.T) {
+	upstream := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/file/sort" || r.URL.Query().Get("pdir_fid") != "0" {
+			t.Fatalf("unexpected cloud list request %s?%s", r.URL.Path, r.URL.RawQuery)
+		}
+		_, _ = w.Write([]byte(`{"status":200,"code":0,"data":{"list":[
+			{"fid":"f1","file_name":"Cloud.Movie.2026.mkv","dir":false,"size":1024}
+		]}}`))
+	}))
+	defer upstream.Close()
+
+	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := db.AutoMigrate(&model.Library{}, &model.Media{}, &model.Setting{}, &model.StorageConfig{}); err != nil {
+		t.Fatal(err)
+	}
+	repos := repository.New(db)
+	log := zap.NewNop()
+	storage := NewStorageConfigService(log, repos, NewCryptoService("", log))
+	if _, err := storage.Save(t.Context(), StorageInput{
+		Type: "quark",
+		Config: map[string]any{
+			"cookie": "kps=test",
+			"base":   upstream.URL,
+		},
+	}); err != nil {
+		t.Fatal(err)
+	}
+	lib := model.Library{Name: "夸克网盘", Path: "cloud://quark/0", Type: "movie", Enabled: true}
+	if err := repos.Library.Create(t.Context(), &lib); err != nil {
+		t.Fatal(err)
+	}
+	scanner := NewScannerService(&config.Config{}, log, repos, NewHub(log), nil, nil)
+	scanner.SetStorageConfig(storage)
+	scheduler := NewSchedulerService(log, repos, scanner, nil, nil, storage, NewHub(log), "")
+
+	if err := scheduler.jobSyncCloudLibraries(t.Context()); err != nil {
+		t.Fatalf("cloud sync: %v", err)
+	}
+	var media model.Media
+	if err := repos.DB.First(&media, "path = ?", "cloud://quark/f1").Error; err != nil {
+		t.Fatalf("cloud media not imported: %v", err)
+	}
+	if media.STRMURL != "/api/cloud/play/quark?ref=f1" {
+		t.Fatalf("strm url = %q", media.STRMURL)
+	}
+}

internal/service/service.go

@@ -113,10 +113,11 @@ func New(cfg *config.Config, log *zap.Logger, repos *repository.Container) *Cont
 	playProfiles := NewPlayProfileService(log, repos)
 	permissions := NewPermissionService(log, repos)
 	storageCfg := NewStorageConfigService(log, repos, crypto)
+	scanner.SetStorageConfig(storageCfg)
 	downloadClients := NewDownloadClientService(log, repos)
 	assistant := NewAssistantService(log, repos, ai)
 	douban := NewDoubanProvider(cfg, log)
-	scheduler := NewSchedulerService(log, repos, scanner, transcoder, organizer, hub, cfg.Cache.CacheDir)
+	scheduler := NewSchedulerService(log, repos, scanner, transcoder, organizer, storageCfg, hub, cfg.Cache.CacheDir)
 
 	// 初始化认证相关服务
 	tokenSvc := NewTokenService(cfg, log, repos)

internal/service/storage_config.go

@@ -319,7 +319,7 @@ func (s *StorageConfigService) CloudImport(ctx context.Context, typ, fileRef, na
 	m := &model.Media{
 		LibraryID:    lib.ID,
 		Title:        title,
-		Path:         "cloud://" + typ + "/" + fileRef,
+		Path:         cloudMediaPath(typ, fileRef),
 		SizeBytes:    size,
 		Container:    container,
 		STRMURL:      "/api/cloud/play/" + typ + "?ref=" + url.QueryEscape(fileRef),

internal/service/storage_upload.go

@@ -0,0 +1,457 @@
+package service
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"os"
+	"path"
+	"path/filepath"
+	"strings"
+)
+
+const (
+	CloudUploadAutoEnabledKey      = "cloud.upload_auto_enabled"
+	CloudUploadProviderKey         = "cloud.upload_provider"
+	CloudUploadSourceDirKey        = "cloud.upload_source_dir"
+	CloudUploadDestPathKey         = "cloud.upload_dest_path"
+	CloudUploadRecursiveKey        = "cloud.upload_recursive"
+	CloudUploadSidecarsKey         = "cloud.upload_sidecars"
+	CloudUploadOverwriteKey        = "cloud.upload_overwrite"
+	CloudUploadIntervalSecondsKey  = "cloud.upload_interval_seconds"
+	CloudUploadUnsupportedProvider = "本地文件直传目前支持 Alist / WebDAV；115/夸克原生上传需要各自的分片上传私有接口，建议先用 Alist 挂载 115/夸克后选择 Alist 转存。"
+)
+
+type CloudUploadInput struct {
+	Type            string `json:"type"`
+	SourcePath      string `json:"source_path"`
+	DestPath        string `json:"dest_path"`
+	Recursive       bool   `json:"recursive"`
+	IncludeSidecars bool   `json:"include_sidecars"`
+	Overwrite       bool   `json:"overwrite"`
+}
+
+type CloudUploadResult struct {
+	SourcePath string                  `json:"source_path"`
+	DestPath   string                  `json:"dest_path"`
+	Uploaded   int                     `json:"uploaded"`
+	Skipped    int                     `json:"skipped"`
+	Bytes      int64                   `json:"bytes"`
+	Errors     []string                `json:"errors,omitempty"`
+	Items      []CloudUploadResultItem `json:"items,omitempty"`
+}
+
+type CloudUploadResultItem struct {
+	Source string `json:"source"`
+	Target string `json:"target"`
+	Action string `json:"action"` // upload / skip / error
+	Size   int64  `json:"size,omitempty"`
+	Reason string `json:"reason,omitempty"`
+}
+
+type storageUploader interface {
+	ensureDir(ctx context.Context, remoteDir string) error
+	exists(ctx context.Context, remotePath string) (bool, error)
+	upload(ctx context.Context, localPath, remotePath string, size int64) error
+}
+
+var cloudUploadSidecarExtensions = map[string]struct{}{
+	".nfo": {}, ".jpg": {}, ".jpeg": {}, ".png": {}, ".webp": {},
+	".srt": {}, ".ass": {}, ".ssa": {}, ".vtt": {}, ".sub": {}, ".idx": {},
+}
+
+// UploadLocal copies local media files into an external storage backend. It is
+// intentionally conservative: it never deletes local files, skips existing
+// remote targets unless Overwrite is set, and only uploads video + common
+// sidecar metadata files.
+func (s *StorageConfigService) UploadLocal(ctx context.Context, in CloudUploadInput) (*CloudUploadResult, error) {
+	in.Type = strings.TrimSpace(in.Type)
+	in.SourcePath = strings.TrimSpace(in.SourcePath)
+	in.DestPath = normalizeRemotePath(in.DestPath)
+	if in.SourcePath == "" {
+		return nil, errors.New("source_path required")
+	}
+	uploader, err := s.uploader(ctx, in.Type)
+	if err != nil {
+		return nil, err
+	}
+	info, err := os.Stat(in.SourcePath)
+	if err != nil {
+		return nil, fmt.Errorf("source path not accessible: %w", err)
+	}
+	result := &CloudUploadResult{SourcePath: in.SourcePath, DestPath: in.DestPath}
+	if !info.IsDir() {
+		s.uploadOne(ctx, uploader, in, in.SourcePath, filepath.Base(in.SourcePath), info.Size(), result)
+		return result, firstUploadError(result)
+	}
+	root := filepath.Clean(in.SourcePath)
+	walkFn := func(localPath string, entryInfo os.FileInfo, walkErr error) error {
+		if walkErr != nil {
+			addUploadError(result, localPath, "", walkErr)
+			return nil
+		}
+		if entryInfo == nil || entryInfo.IsDir() {
+			if !in.Recursive && filepath.Clean(localPath) != root {
+				return filepath.SkipDir
+			}
+			return nil
+		}
+		if !eligibleCloudUploadFile(localPath, in.IncludeSidecars) {
+			return nil
+		}
+		rel, err := filepath.Rel(root, localPath)
+		if err != nil {
+			addUploadError(result, localPath, "", err)
+			return nil
+		}
+		s.uploadOne(ctx, uploader, in, localPath, filepath.ToSlash(rel), entryInfo.Size(), result)
+		return nil
+	}
+	if err := filepath.Walk(in.SourcePath, walkFn); err != nil {
+		return result, err
+	}
+	return result, firstUploadError(result)
+}
+
+func (s *StorageConfigService) uploader(ctx context.Context, typ string) (storageUploader, error) {
+	view, err := s.Get(ctx, typ)
+	if err != nil {
+		return nil, err
+	}
+	if view == nil || !view.Enabled {
+		return nil, fmt.Errorf("%s storage not configured", typ)
+	}
+	switch typ {
+	case "alist":
+		return newAlistUploader(view.Config), nil
+	case "webdav":
+		return newWebDAVUploader(view.Config), nil
+	case "s3":
+		return nil, errors.New("s3 local upload is not implemented yet")
+	case "cloud115", "quark":
+		return nil, errors.New(CloudUploadUnsupportedProvider)
+	default:
+		return nil, fmt.Errorf("unsupported storage type %q", typ)
+	}
+}
+
+func (s *StorageConfigService) uploadOne(ctx context.Context, uploader storageUploader, in CloudUploadInput, localPath, rel string, size int64, result *CloudUploadResult) {
+	remotePath := joinRemotePath(in.DestPath, rel)
+	if err := uploader.ensureDir(ctx, path.Dir(remotePath)); err != nil {
+		addUploadError(result, localPath, remotePath, err)
+		return
+	}
+	if !in.Overwrite {
+		exists, err := uploader.exists(ctx, remotePath)
+		if err != nil {
+			addUploadError(result, localPath, remotePath, err)
+			return
+		}
+		if exists {
+			result.Skipped++
+			addUploadItem(result, CloudUploadResultItem{Source: localPath, Target: remotePath, Action: "skip", Size: size, Reason: "remote exists"})
+			return
+		}
+	}
+	if err := uploader.upload(ctx, localPath, remotePath, size); err != nil {
+		addUploadError(result, localPath, remotePath, err)
+		return
+	}
+	result.Uploaded++
+	result.Bytes += size
+	addUploadItem(result, CloudUploadResultItem{Source: localPath, Target: remotePath, Action: "upload", Size: size})
+}
+
+func eligibleCloudUploadFile(localPath string, includeSidecars bool) bool {
+	ext := strings.ToLower(filepath.Ext(localPath))
+	if _, ok := videoExtensions[ext]; ok {
+		return true
+	}
+	if includeSidecars {
+		_, ok := cloudUploadSidecarExtensions[ext]
+		return ok
+	}
+	return false
+}
+
+func addUploadError(result *CloudUploadResult, source, target string, err error) {
+	result.Errors = append(result.Errors, fmt.Sprintf("%s: %v", source, err))
+	addUploadItem(result, CloudUploadResultItem{Source: source, Target: target, Action: "error", Reason: err.Error()})
+}
+
+func addUploadItem(result *CloudUploadResult, item CloudUploadResultItem) {
+	if len(result.Items) < 200 {
+		result.Items = append(result.Items, item)
+	}
+}
+
+func firstUploadError(result *CloudUploadResult) error {
+	if result.Uploaded > 0 || len(result.Errors) == 0 {
+		return nil
+	}
+	return errors.New(result.Errors[0])
+}
+
+func normalizeRemotePath(p string) string {
+	p = strings.ReplaceAll(strings.TrimSpace(p), "\\", "/")
+	if p == "" || p == "." {
+		return "/"
+	}
+	if !strings.HasPrefix(p, "/") {
+		p = "/" + p
+	}
+	return path.Clean(p)
+}
+
+func joinRemotePath(base, rel string) string {
+	parts := []string{normalizeRemotePath(base)}
+	for _, part := range strings.Split(strings.ReplaceAll(rel, "\\", "/"), "/") {
+		part = strings.TrimSpace(part)
+		if part != "" && part != "." {
+			parts = append(parts, part)
+		}
+	}
+	return path.Clean(path.Join(parts...))
+}
+
+type alistUploader struct {
+	server string
+	token  string
+	client *http.Client
+}
+
+func newAlistUploader(cfg map[string]any) *alistUploader {
+	return &alistUploader{
+		server: strings.TrimRight(strr(cfg["server"]), "/"),
+		token:  strr(cfg["token"]),
+		client: &http.Client{},
+	}
+}
+
+func (a *alistUploader) ensureDir(ctx context.Context, remoteDir string) error {
+	if a.server == "" {
+		return errors.New("alist missing server")
+	}
+	remoteDir = normalizeRemotePath(remoteDir)
+	if remoteDir == "/" {
+		return nil
+	}
+	current := ""
+	for _, part := range strings.Split(strings.Trim(remoteDir, "/"), "/") {
+		current = normalizeRemotePath(path.Join(current, part))
+		payload, _ := json.Marshal(map[string]string{"path": current})
+		req, err := http.NewRequestWithContext(ctx, http.MethodPost, a.server+"/api/fs/mkdir", bytes.NewReader(payload))
+		if err != nil {
+			return err
+		}
+		a.auth(req)
+		req.Header.Set("Content-Type", "application/json")
+		resp, err := a.client.Do(req)
+		if err != nil {
+			return err
+		}
+		err = a.checkJSON(resp, "alist mkdir")
+		if err != nil && !isAlreadyExistsMessage(err.Error()) {
+			return err
+		}
+	}
+	return nil
+}
+
+func (a *alistUploader) exists(ctx context.Context, remotePath string) (bool, error) {
+	payload, _ := json.Marshal(map[string]string{"path": normalizeRemotePath(remotePath)})
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, a.server+"/api/fs/get", bytes.NewReader(payload))
+	if err != nil {
+		return false, err
+	}
+	a.auth(req)
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := a.client.Do(req)
+	if err != nil {
+		return false, err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode == http.StatusNotFound {
+		return false, nil
+	}
+	var out struct {
+		Code    int    `json:"code"`
+		Message string `json:"message"`
+	}
+	_ = json.NewDecoder(resp.Body).Decode(&out)
+	return resp.StatusCode >= 200 && resp.StatusCode < 300 && out.Code == 200, nil
+}
+
+func (a *alistUploader) upload(ctx context.Context, localPath, remotePath string, size int64) error {
+	f, err := os.Open(localPath)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	req, err := http.NewRequestWithContext(ctx, http.MethodPut, a.server+"/api/fs/put", f)
+	if err != nil {
+		return err
+	}
+	a.auth(req)
+	req.ContentLength = size
+	req.Header.Set("Content-Type", "application/octet-stream")
+	req.Header.Set("File-Path", url.PathEscape(normalizeRemotePath(remotePath)))
+	resp, err := a.client.Do(req)
+	if err != nil {
+		return err
+	}
+	return a.checkJSON(resp, "alist upload")
+}
+
+func (a *alistUploader) auth(req *http.Request) {
+	if a.token != "" {
+		req.Header.Set("Authorization", a.token)
+	}
+}
+
+func (a *alistUploader) checkJSON(resp *http.Response, op string) error {
+	defer resp.Body.Close()
+	body, _ := io.ReadAll(io.LimitReader(resp.Body, 4096))
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return fmt.Errorf("%s: http %d: %s", op, resp.StatusCode, strings.TrimSpace(string(body)))
+	}
+	var out struct {
+		Code    int    `json:"code"`
+		Message string `json:"message"`
+	}
+	if len(bytes.TrimSpace(body)) == 0 {
+		return nil
+	}
+	if err := json.Unmarshal(body, &out); err != nil {
+		return nil
+	}
+	if out.Code != 0 && out.Code != 200 {
+		return fmt.Errorf("%s: %s", op, out.Message)
+	}
+	return nil
+}
+
+type webDAVUploader struct {
+	base     *url.URL
+	username string
+	password string
+	client   *http.Client
+}
+
+func newWebDAVUploader(cfg map[string]any) *webDAVUploader {
+	u, _ := url.Parse(strings.TrimRight(strr(cfg["url"]), "/"))
+	return &webDAVUploader{
+		base:     u,
+		username: strr(cfg["username"]),
+		password: strr(cfg["password"]),
+		client:   &http.Client{},
+	}
+}
+
+func (w *webDAVUploader) ensureDir(ctx context.Context, remoteDir string) error {
+	if w.base == nil || w.base.Scheme == "" || w.base.Host == "" {
+		return errors.New("webdav missing url")
+	}
+	remoteDir = normalizeRemotePath(remoteDir)
+	if remoteDir == "/" {
+		return nil
+	}
+	current := ""
+	for _, part := range strings.Split(strings.Trim(remoteDir, "/"), "/") {
+		current = normalizeRemotePath(path.Join(current, part))
+		req, err := http.NewRequestWithContext(ctx, "MKCOL", w.urlFor(current), nil)
+		if err != nil {
+			return err
+		}
+		w.auth(req)
+		resp, err := w.client.Do(req)
+		if err != nil {
+			return err
+		}
+		_, _ = io.Copy(io.Discard, resp.Body)
+		_ = resp.Body.Close()
+		if resp.StatusCode >= 200 && resp.StatusCode < 300 {
+			continue
+		}
+		if resp.StatusCode == http.StatusMethodNotAllowed || resp.StatusCode == http.StatusConflict {
+			continue
+		}
+		return fmt.Errorf("webdav mkdir %s: http %d", current, resp.StatusCode)
+	}
+	return nil
+}
+
+func (w *webDAVUploader) exists(ctx context.Context, remotePath string) (bool, error) {
+	req, err := http.NewRequestWithContext(ctx, http.MethodHead, w.urlFor(remotePath), nil)
+	if err != nil {
+		return false, err
+	}
+	w.auth(req)
+	resp, err := w.client.Do(req)
+	if err != nil {
+		return false, err
+	}
+	_, _ = io.Copy(io.Discard, resp.Body)
+	_ = resp.Body.Close()
+	if resp.StatusCode == http.StatusNotFound {
+		return false, nil
+	}
+	return resp.StatusCode >= 200 && resp.StatusCode < 300, nil
+}
+
+func (w *webDAVUploader) upload(ctx context.Context, localPath, remotePath string, size int64) error {
+	f, err := os.Open(localPath)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	req, err := http.NewRequestWithContext(ctx, http.MethodPut, w.urlFor(remotePath), f)
+	if err != nil {
+		return err
+	}
+	w.auth(req)
+	req.ContentLength = size
+	resp, err := w.client.Do(req)
+	if err != nil {
+		return err
+	}
+	_, _ = io.Copy(io.Discard, resp.Body)
+	_ = resp.Body.Close()
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return fmt.Errorf("webdav upload %s: http %d", remotePath, resp.StatusCode)
+	}
+	return nil
+}
+
+func (w *webDAVUploader) auth(req *http.Request) {
+	if w.username != "" {
+		req.SetBasicAuth(w.username, w.password)
+	}
+}
+
+func (w *webDAVUploader) urlFor(remotePath string) string {
+	u := *w.base
+	basePath := strings.TrimRight(u.EscapedPath(), "/")
+	segments := make([]string, 0)
+	if basePath != "" && basePath != "/" {
+		segments = append(segments, strings.Trim(basePath, "/"))
+	}
+	for _, part := range strings.Split(strings.Trim(normalizeRemotePath(remotePath), "/"), "/") {
+		if part != "" {
+			segments = append(segments, url.PathEscape(part))
+		}
+	}
+	u.RawPath = ""
+	u.Path = "/" + strings.Join(segments, "/")
+	return u.String()
+}
+
+func isAlreadyExistsMessage(message string) bool {
+	message = strings.ToLower(message)
+	return strings.Contains(message, "exist") || strings.Contains(message, "已存在")
+}

internal/service/storage_upload_test.go

@@ -0,0 +1,161 @@
+package service
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"os"
+	"path/filepath"
+	"sort"
+	"strings"
+	"testing"
+
+	"github.com/glebarez/sqlite"
+	"go.uber.org/zap"
+	"gorm.io/gorm"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/repository"
+)
+
+func TestStorageConfigUploadLocalToAlist(t *testing.T) {
+	var uploaded []string
+	var authHeaders []string
+	alist := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		switch r.URL.Path {
+		case "/api/fs/mkdir":
+			_ = json.NewDecoder(r.Body).Decode(&map[string]string{})
+			_, _ = w.Write([]byte(`{"code":200,"message":"success"}`))
+		case "/api/fs/get":
+			w.WriteHeader(http.StatusNotFound)
+			_, _ = w.Write([]byte(`{"code":404,"message":"not found"}`))
+		case "/api/fs/put":
+			authHeaders = append(authHeaders, r.Header.Get("Authorization"))
+			decoded, err := url.PathUnescape(r.Header.Get("File-Path"))
+			if err != nil {
+				t.Fatalf("decode file path: %v", err)
+			}
+			uploaded = append(uploaded, decoded)
+			_, _ = w.Write([]byte(`{"code":200,"message":"success"}`))
+		default:
+			t.Fatalf("unexpected alist path %s", r.URL.Path)
+		}
+	}))
+	defer alist.Close()
+
+	repos, storage := newStorageUploadTestService(t)
+	if _, err := storage.Save(t.Context(), StorageInput{
+		Type: "alist",
+		Config: map[string]any{
+			"server": alist.URL,
+			"token":  "alist-token",
+		},
+	}); err != nil {
+		t.Fatal(err)
+	}
+	source := t.TempDir()
+	if err := os.WriteFile(filepath.Join(source, "Movie.2026.mkv"), []byte("movie"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join(source, "Movie.2026.nfo"), []byte("nfo"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join(source, "ignore.txt"), []byte("txt"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	res, err := storage.UploadLocal(t.Context(), CloudUploadInput{
+		Type:            "alist",
+		SourcePath:      source,
+		DestPath:        "/backup",
+		Recursive:       true,
+		IncludeSidecars: true,
+	})
+	if err != nil {
+		t.Fatalf("upload local: %v", err)
+	}
+	if res.Uploaded != 2 || res.Skipped != 0 || len(res.Errors) != 0 {
+		t.Fatalf("result = %+v", res)
+	}
+	sort.Strings(uploaded)
+	want := []string{"/backup/Movie.2026.mkv", "/backup/Movie.2026.nfo"}
+	if strings.Join(uploaded, "\n") != strings.Join(want, "\n") {
+		t.Fatalf("uploaded = %#v, want %#v", uploaded, want)
+	}
+	for _, header := range authHeaders {
+		if header != "alist-token" {
+			t.Fatalf("authorization header = %q", header)
+		}
+	}
+	if got, _ := repos.StorageConfig.Get(t.Context(), "alist"); got == nil {
+		t.Fatalf("storage config should remain saved")
+	}
+}
+
+func TestSchedulerCloudUploadUsesConfiguredLocalSource(t *testing.T) {
+	var uploaded []string
+	alist := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		switch r.URL.Path {
+		case "/api/fs/mkdir":
+			_, _ = w.Write([]byte(`{"code":200}`))
+		case "/api/fs/get":
+			w.WriteHeader(http.StatusNotFound)
+		case "/api/fs/put":
+			decoded, _ := url.PathUnescape(r.Header.Get("File-Path"))
+			uploaded = append(uploaded, decoded)
+			_, _ = w.Write([]byte(`{"code":200}`))
+		default:
+			t.Fatalf("unexpected alist path %s", r.URL.Path)
+		}
+	}))
+	defer alist.Close()
+
+	repos, storage := newStorageUploadTestService(t)
+	if _, err := storage.Save(t.Context(), StorageInput{
+		Type: "alist",
+		Config: map[string]any{
+			"server": alist.URL,
+			"token":  "token",
+		},
+	}); err != nil {
+		t.Fatal(err)
+	}
+	source := t.TempDir()
+	if err := os.WriteFile(filepath.Join(source, "Show.S01E01.mkv"), []byte("episode"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	for key, value := range map[string]string{
+		CloudUploadAutoEnabledKey: "true",
+		CloudUploadProviderKey:    "alist",
+		CloudUploadSourceDirKey:   source,
+		CloudUploadDestPathKey:    "/cloud-media",
+		CloudUploadRecursiveKey:   "true",
+		CloudUploadSidecarsKey:    "false",
+	} {
+		if err := repos.Setting.Set(t.Context(), key, value); err != nil {
+			t.Fatal(err)
+		}
+	}
+	scheduler := NewSchedulerService(zap.NewNop(), repos, nil, nil, nil, storage, NewHub(zap.NewNop()), "")
+	if err := scheduler.jobUploadLocalToCloud(t.Context()); err != nil {
+		t.Fatalf("cloud upload job: %v", err)
+	}
+	if len(uploaded) != 1 || uploaded[0] != "/cloud-media/Show.S01E01.mkv" {
+		t.Fatalf("uploaded = %#v", uploaded)
+	}
+}
+
+func newStorageUploadTestService(t *testing.T) (*repository.Container, *StorageConfigService) {
+	t.Helper()
+	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := db.AutoMigrate(&model.StorageConfig{}, &model.Setting{}); err != nil {
+		t.Fatal(err)
+	}
+	repos := repository.New(db)
+	log := zap.NewNop()
+	return repos, NewStorageConfigService(log, repos, NewCryptoService("", log))
+}

internal/service/watcher.go

@@ -99,6 +99,9 @@ func (w *WatcherService) Refresh(ctx context.Context) error {
 		if !l.Enabled {
 			continue
 		}
+		if _, _, ok := parseCloudLibraryPath(l.Path); ok {
+			continue
+		}
 		for _, dir := range listDirsForWatch(l.Path) {
 			current[dir] = l.ID
 		}

web/src/api/storage_config.ts

@@ -32,6 +32,22 @@ export interface StorageConfig {
   updated_at: string
 }
 
+export interface CloudUploadResult {
+  source_path: string
+  dest_path: string
+  uploaded: number
+  skipped: number
+  bytes: number
+  errors?: string[]
+  items?: Array<{
+    source: string
+    target: string
+    action: 'upload' | 'skip' | 'error'
+    size?: number
+    reason?: string
+  }>
+}
+
 export const storageAPI = {
   status: () =>
     api
@@ -53,6 +69,20 @@ export const storageAPI = {
         config,
       })
       .then((r) => r.data),
+
+  uploadLocal: (
+    type: StorageType,
+    input: {
+      source_path: string
+      dest_path: string
+      recursive: boolean
+      include_sidecars: boolean
+      overwrite: boolean
+    },
+  ) =>
+    api
+      .post<{ result: CloudUploadResult; error?: string }>(`/admin/storage/${type}/upload-local`, input)
+      .then((r) => r.data),
 }
 
 // cloudAPI drives 网盘 browsing, QR login and 302 import.
@@ -69,6 +99,11 @@ export const cloudAPI = {
       .post(`/admin/cloud/${type}/import`, { ref, name, size })
       .then((r) => r.data),
 
+  mount: (type: StorageType, dir = '', name = '', media_type = 'movie') =>
+    api
+      .post(`/admin/cloud/${type}/mount`, { dir, name, media_type })
+      .then((r) => r.data),
+
   qrStart: (type: StorageType) =>
     api.post<QRSession>(`/admin/cloud/${type}/qr/start`).then((r) => r.data),
 

web/src/pages/SettingsPage.tsx

@@ -281,6 +281,70 @@ const GROUPS: SettingGroup[] = [
       },
     ],
   },
+  {
+    key: 'cloud-upload',
+    label: '网盘转存',
+    description: '把本地媒体复制上传到外部存储。推荐：将 115/夸克挂载到 Alist 后，使用 Alist 作为转存目标。',
+    items: [
+      {
+        key: 'cloud.upload_auto_enabled',
+        label: '启用自动转存',
+        type: 'toggle',
+        hint: '开启后后台会按间隔扫描本地源目录，把视频、NFO、海报、字幕复制到目标存储；不会删除本地源文件。',
+        defaultValue: 'false',
+      },
+      {
+        key: 'cloud.upload_provider',
+        label: '转存目标',
+        type: 'select',
+        defaultValue: 'alist',
+        options: [
+          { value: 'alist', label: 'Alist（推荐，可桥接 115/夸克）' },
+          { value: 'webdav', label: 'WebDAV' },
+          { value: 'cloud115', label: '115 原生（待接分片上传）' },
+          { value: 'quark', label: '夸克原生（待接分片上传）' },
+        ],
+      },
+      {
+        key: 'cloud.upload_source_dir',
+        label: '本地源目录',
+        type: 'text',
+        placeholder: '/media/电影 或 F:\\media\\Movies',
+      },
+      {
+        key: 'cloud.upload_dest_path',
+        label: '网盘目标目录',
+        type: 'text',
+        defaultValue: '/MediaStationGo',
+        placeholder: '/MediaStationGo',
+      },
+      {
+        key: 'cloud.upload_recursive',
+        label: '递归扫描源目录',
+        type: 'toggle',
+        defaultValue: 'true',
+      },
+      {
+        key: 'cloud.upload_sidecars',
+        label: '同步 NFO / 海报 / 字幕',
+        type: 'toggle',
+        defaultValue: 'true',
+      },
+      {
+        key: 'cloud.upload_overwrite',
+        label: '覆盖远端同名文件',
+        type: 'toggle',
+        defaultValue: 'false',
+      },
+      {
+        key: 'cloud.upload_interval_seconds',
+        label: '自动转存间隔秒数',
+        type: 'number',
+        hint: '最小 300 秒，建议 3600 秒或更高，避免频繁读盘和触发网盘风控。',
+        defaultValue: '3600',
+      },
+    ],
+  },
   {
     key: 'adult',
     label: 'Adult / NSFW',

web/src/pages/StorageConfigPage.tsx

@@ -1,5 +1,5 @@
 import { FormEvent, useEffect, useMemo, useState } from 'react'
-import { Cloud, FileVideo, Folder, Loader2, QrCode, Save, Send } from 'lucide-react'
+import { Cloud, FileVideo, Folder, Loader2, QrCode, Save, Send, Upload } from 'lucide-react'
 import toast from 'react-hot-toast'
 
 import {
@@ -212,11 +212,125 @@ function StorageForm({ type }: { type: StorageType }) {
           保存
         </button>
       </div>
+      <StorageUploadPanel type={type} />
       {isCloud(type) && <CloudBrowser type={type} />}
     </form>
   )
 }
 
+function StorageUploadPanel({ type }: { type: StorageType }) {
+  const [sourcePath, setSourcePath] = useState('')
+  const [destPath, setDestPath] = useState('/MediaStationGo')
+  const [recursive, setRecursive] = useState(true)
+  const [includeSidecars, setIncludeSidecars] = useState(true)
+  const [overwrite, setOverwrite] = useState(false)
+  const [busy, setBusy] = useState(false)
+
+  const supported = type === 'alist' || type === 'webdav'
+
+  const submit = async () => {
+    if (!supported) {
+      toast.error('本地直传目前支持 Alist / WebDAV。115/夸克建议先挂载到 Alist，再通过 Alist 转存。')
+      return
+    }
+    if (!sourcePath.trim()) {
+      toast.error('请填写本地源目录或文件路径')
+      return
+    }
+    setBusy(true)
+    try {
+      const { result, error } = await storageAPI.uploadLocal(type, {
+        source_path: sourcePath.trim(),
+        dest_path: destPath.trim() || '/',
+        recursive,
+        include_sidecars: includeSidecars,
+        overwrite,
+      })
+      const errText = error || (result.errors && result.errors.length > 0 ? ` · 错误 ${result.errors.length}` : '')
+      toast.success(`转存完成：上传 ${result.uploaded} · 跳过 ${result.skipped} · ${fmtBytes(result.bytes)}${errText}`)
+    } catch (err: unknown) {
+      toast.error((err as { response?: { data?: { error?: string } } })?.response?.data?.error ?? '转存失败')
+    } finally {
+      setBusy(false)
+    }
+  }
+
+  return (
+    <div className="rounded-xl border border-gray-200 bg-gray-50/70 p-4">
+      <div className="mb-3 flex items-start justify-between gap-3">
+        <div>
+          <h3 className="flex items-center gap-2 font-display text-base font-semibold text-ink-600">
+            <Upload size={16} /> 本地媒体转存到此存储
+          </h3>
+          <p className="mt-1 text-xs text-ink-50">
+            复制本地媒体文件到外部存储，保留本地源文件；自动跳过远端已存在文件。
+          </p>
+        </div>
+        {!supported && (
+          <span className="rounded-full bg-amber-100 px-2 py-1 text-xs text-amber-700">
+            直传待接
+          </span>
+        )}
+      </div>
+      {!supported && (
+        <p className="mb-3 rounded-lg border border-amber-200 bg-amber-50 px-3 py-2 text-xs text-amber-800">
+          115 / 夸克原生上传需要私有分片上传协议。本版本先支持 Alist / WebDAV：把 115 或夸克挂到 Alist 后，选择 Alist 即可把本地文件转存到对应网盘。
+        </p>
+      )}
+      <div className="grid gap-3 lg:grid-cols-2">
+        <label className="block">
+          <span className="mb-1 block text-sm text-ink-100">本地源目录 / 文件</span>
+          <input
+            className="input-base"
+            placeholder="例如 /media/电影 或 F:\\media\\Movies"
+            value={sourcePath}
+            onChange={(event) => setSourcePath(event.target.value)}
+          />
+        </label>
+        <label className="block">
+          <span className="mb-1 block text-sm text-ink-100">网盘目标目录</span>
+          <input
+            className="input-base"
+            placeholder="/MediaStationGo"
+            value={destPath}
+            onChange={(event) => setDestPath(event.target.value)}
+          />
+        </label>
+      </div>
+      <div className="mt-3 flex flex-wrap items-center gap-4 text-sm text-ink-100">
+        <label className="flex items-center gap-2">
+          <input type="checkbox" className="h-4 w-4 accent-primary-400" checked={recursive} onChange={(event) => setRecursive(event.target.checked)} />
+          递归目录
+        </label>
+        <label className="flex items-center gap-2">
+          <input type="checkbox" className="h-4 w-4 accent-primary-400" checked={includeSidecars} onChange={(event) => setIncludeSidecars(event.target.checked)} />
+          同步 NFO / 海报 / 字幕
+        </label>
+        <label className="flex items-center gap-2">
+          <input type="checkbox" className="h-4 w-4 accent-primary-400" checked={overwrite} onChange={(event) => setOverwrite(event.target.checked)} />
+          覆盖远端同名文件
+        </label>
+        <button type="button" className="neon-button ml-auto" disabled={busy || !supported} onClick={submit}>
+          {busy ? <Loader2 size={16} className="animate-spin" /> : <Upload size={16} />}
+          {busy ? '转存中…' : '开始转存'}
+        </button>
+      </div>
+    </div>
+  )
+}
+
+function fmtBytes(value: number): string {
+  if (!value) return '0 B'
+  const units = ['B', 'KB', 'MB', 'GB', 'TB']
+  let size = value
+  let idx = 0
+  while (size >= 1024 && idx < units.length - 1) {
+    size /= 1024
+    idx++
+  }
+  return `${size.toFixed(size >= 10 || idx === 0 ? 0 : 1)} ${units[idx]}`
+}
+
 // QRLoginPanel drives the 115 QR-code login: start → render image → poll →
 // fill the cookie field on confirmation.
 function QRLoginPanel({ type, onCookie }: { type: StorageType; onCookie: (c: string) => void }) {
@@ -293,6 +407,8 @@ function CloudBrowser({ type }: { type: StorageType }) {
   const [stack, setStack] = useState<{ id: string; name: string }[]>([{ id: '', name: '根目录' }])
   const [items, setItems] = useState<CloudEntry[]>([])
   const [loading, setLoading] = useState(false)
+  const [mounting, setMounting] = useState(false)
+  const [mountMediaType, setMountMediaType] = useState('movie')
   const [error, setError] = useState('')
 
   const cur = stack[stack.length - 1]
@@ -329,18 +445,56 @@ function CloudBrowser({ type }: { type: StorageType }) {
     }
   }
 
+  const mountCurrent = async () => {
+    setMounting(true)
+    try {
+      const label = TYPE_LABEL[type] ?? type
+      const name = cur.id ? `${label} · ${cur.name}` : label
+      const res = await cloudAPI.mount(type, cur.id, name, mountMediaType)
+      const scan = (res as { scan?: { added?: number; updated?: number; removed?: number; visited?: number } }).scan
+      toast.success(`已挂载为媒体库并扫描：新增 ${scan?.added ?? 0} · 更新 ${scan?.updated ?? 0} · 访问 ${scan?.visited ?? 0}`)
+    } catch (err: unknown) {
+      toast.error((err as { response?: { data?: { error?: string } } })?.response?.data?.error ?? '挂载失败')
+    } finally {
+      setMounting(false)
+    }
+  }
+
   return (
     <div className="mt-2 rounded-lg border border-gray-200 p-3" onClick={(e) => e.preventDefault()}>
-      <div className="mb-2 flex flex-wrap items-center gap-1 text-xs text-ink-50">
-        <span className="text-ink-100">网盘资源:</span>
-        {stack.map((s, i) => (
-          <span key={i}>
-            <button type="button" className="hover:text-brand-500" onClick={() => goTo(i)}>
-              {s.name}
-            </button>
-            {i < stack.length - 1 && <span className="mx-1">/</span>}
-          </span>
-        ))}
+      <div className="mb-2 flex flex-wrap items-center justify-between gap-2">
+        <div className="flex flex-wrap items-center gap-1 text-xs text-ink-50">
+          <span className="text-ink-100">网盘资源:</span>
+          {stack.map((s, i) => (
+            <span key={i}>
+              <button type="button" className="hover:text-brand-500" onClick={() => goTo(i)}>
+                {s.name}
+              </button>
+              {i < stack.length - 1 && <span className="mx-1">/</span>}
+            </span>
+          ))}
+        </div>
+        <div className="flex flex-wrap items-center gap-2">
+          <select
+            className="rounded border border-gray-200 bg-white px-2 py-0.5 text-xs text-ink-100"
+            value={mountMediaType}
+            onChange={(event) => setMountMediaType(event.target.value)}
+          >
+            <option value="movie">电影</option>
+            <option value="tv">剧集</option>
+            <option value="anime">动漫</option>
+            <option value="variety">综艺</option>
+            <option value="adult">成人</option>
+          </select>
+          <button
+            type="button"
+            className="rounded border border-brand-400/40 px-2 py-0.5 text-xs text-brand-500 hover:bg-brand-400/10"
+            disabled={mounting || loading}
+            onClick={mountCurrent}
+          >
+            {mounting ? '挂载扫描中…' : '挂载当前目录为媒体库'}
+          </button>
+        </div>
       </div>
       {loading ? (
         <div className="flex justify-center py-4 text-ink-50">