Resolve merge conflicts: merge all Go backend and React frontend changes

internal/handler/assistant.go

@@ -0,0 +1,147 @@
+// Package handler — multi-turn AI assistant chat endpoints.
+package handler
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/middleware"
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+func listAssistantSessionsHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid, _ := c.Get(middleware.CtxUserID)
+		role, _ := c.Get(middleware.CtxUserRole)
+		rows, err := svc.Assistant.ListSessions(
+			c.Request.Context(), toString(uid), role == "admin",
+		)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, rows)
+	}
+}
+
+type createSessionReq struct {
+	Title string `json:"title"`
+}
+
+func createAssistantSessionHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var req createSessionReq
+		_ = c.ShouldBindJSON(&req)
+		uid, _ := c.Get(middleware.CtxUserID)
+		sess, err := svc.Assistant.CreateSession(c.Request.Context(), toString(uid), req.Title)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, sess)
+	}
+}
+
+func getAssistantSessionHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid, _ := c.Get(middleware.CtxUserID)
+		role, _ := c.Get(middleware.CtxUserRole)
+		view, err := svc.Assistant.GetSession(
+			c.Request.Context(), c.Param("id"), toString(uid), role == "admin",
+		)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, view)
+	}
+}
+
+func deleteAssistantSessionHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid, _ := c.Get(middleware.CtxUserID)
+		role, _ := c.Get(middleware.CtxUserRole)
+		if err := svc.Assistant.DeleteSession(
+			c.Request.Context(), c.Param("id"), toString(uid), role == "admin",
+		); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.Status(http.StatusNoContent)
+	}
+}
+
+type chatReq struct {
+	SessionID string `json:"session_id" binding:"required"`
+	Message   string `json:"message" binding:"required"`
+}
+
+func assistantChatHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var req chatReq
+		if err := c.ShouldBindJSON(&req); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		uid, _ := c.Get(middleware.CtxUserID)
+		role, _ := c.Get(middleware.CtxUserRole)
+		view, err := svc.Assistant.Chat(
+			c.Request.Context(), req.SessionID, toString(uid), req.Message, role == "admin",
+		)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, view)
+	}
+}
+
+type executeReq struct {
+	SessionID string                 `json:"session_id" binding:"required"`
+	Action    map[string]interface{} `json:"action" binding:"required"`
+}
+
+func assistantExecuteHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var req executeReq
+		if err := c.ShouldBindJSON(&req); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		uid, _ := c.Get(middleware.CtxUserID)
+		opID, err := svc.Assistant.Execute(
+			c.Request.Context(), req.SessionID, toString(uid), req.Action,
+		)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"op_id": opID})
+	}
+}
+
+func assistantUndoHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if err := svc.Assistant.Undo(c.Request.Context(), c.Param("op_id")); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"ok": true})
+	}
+}
+
+func assistantHistoryHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid, _ := c.Get(middleware.CtxUserID)
+		role, _ := c.Get(middleware.CtxUserRole)
+		rows, err := svc.Assistant.History(
+			c.Request.Context(), toString(uid), role == "admin",
+		)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"items": rows})
+	}
+}

internal/handler/auth_extra.go

@@ -0,0 +1,44 @@
+// Package handler — auth surface beyond /login + /register:
+//
+//	POST /auth/refresh   — issue a fresh JWT for the current user
+//	POST /auth/logout    — best-effort no-op (kept for parity)
+//	PATCH /auth/profile  — alias for /me
+package handler
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/middleware"
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+// refreshHandler returns a fresh token signed for the current user.
+// Because we don't track refresh tokens server-side, the caller's
+// existing access token is sufficient — it must already pass the
+// AuthRequired middleware.
+func refreshHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid, _ := c.Get(middleware.CtxUserID)
+		u, err := svc.Repo.User.FindByID(c.Request.Context(), toString(uid))
+		if err != nil || u == nil {
+			c.JSON(http.StatusUnauthorized, gin.H{"error": "invalid session"})
+			return
+		}
+		token, err := svc.Auth.IssueToken(u)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"token": token, "user": u})
+	}
+}
+
+// logoutHandler is a deliberate no-op (we use stateless JWT). It exists
+// so the Vue frontend's logout button gets a 200 instead of 404.
+func logoutHandler(_ *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		c.Status(http.StatusNoContent)
+	}
+}

internal/handler/discover_extra.go

@@ -0,0 +1,79 @@
+// Package handler — multi-section discover endpoints.
+//
+// The Vue DiscoverView paginates a configurable list of "sections"
+// (trending day/week, popular movies, top rated, etc.) and asks the
+// backend for a feed keyed by section name. We mirror that surface so
+// the React DiscoverPage can render the same rails without a rewrite.
+package handler
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+// discoverSectionsHandler returns the catalog of sections the UI can
+// pick from. The names match the upstream Vue UI so existing settings
+// keep working.
+func discoverSectionsHandler(_ *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{
+			"sections": []gin.H{
+				{"key": "trending_day", "label": "今日热门"},
+				{"key": "trending_week", "label": "本周热门"},
+				{"key": "popular_movie", "label": "热门电影"},
+				{"key": "popular_tv", "label": "热门剧集"},
+				{"key": "top_rated_movie", "label": "高分电影"},
+				{"key": "upcoming_movie", "label": "即将上映"},
+			},
+		})
+	}
+}
+
+// discoverFeedHandler resolves one or more section keys (?sections=a,b)
+// to TMDb endpoint paths and returns the joined results keyed by
+// section name. Unknown keys are silently dropped so URL typos don't
+// break the page.
+func discoverFeedHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		keys := strings.Split(c.DefaultQuery("sections", "trending_day,popular_movie"), ",")
+		out := gin.H{}
+		for _, raw := range keys {
+			k := strings.TrimSpace(raw)
+			path := sectionPath(k)
+			if path == "" {
+				continue
+			}
+			items, err := svc.Discover.Fetch(c.Request.Context(), path)
+			if err != nil {
+				svc.Log.Debug("discover fetch failed", )
+				items = nil
+			}
+			out[k] = items
+		}
+		c.JSON(http.StatusOK, out)
+	}
+}
+
+// sectionPath maps the UI-facing key to the TMDb endpoint suffix.
+func sectionPath(k string) string {
+	switch k {
+	case "trending_day":
+		return "/trending/movie/day"
+	case "trending_week":
+		return "/trending/movie/week"
+	case "popular_movie":
+		return "/movie/popular"
+	case "popular_tv":
+		return "/tv/popular"
+	case "top_rated_movie":
+		return "/movie/top_rated"
+	case "upcoming_movie":
+		return "/movie/upcoming"
+	default:
+		return ""
+	}
+}

internal/handler/dlna_extra.go

@@ -0,0 +1,129 @@
+// Package handler — per-renderer DLNA control endpoints used by the
+// Vue UI. These are best-effort SOAP calls; failures surface as 4xx.
+package handler
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"net/http"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+// dlnaControlPath maps the action name to the AVTransport SOAP body.
+// (kept for parity with the upstream Vue admin UI)
+type dlnaAction string
+
+const (
+	_dlnaPlay  dlnaAction = "Play"
+	_dlnaPause dlnaAction = "Pause"
+	_dlnaStop  dlnaAction = "Stop"
+)
+
+var _ = []dlnaAction{_dlnaPlay, _dlnaPause, _dlnaStop}
+
+// findRendererControlURL returns the cached control URL for the given
+// uuid (matched against the device UDN). We rely on DLNAService's
+// existing Discover() cache.
+func findRendererControlURL(ctx context.Context, svc *service.Container, uuid string) (string, error) {
+	devs, err := svc.DLNA.Discover(ctx, false)
+	if err != nil {
+		return "", err
+	}
+	for _, d := range devs {
+		if d.UDN == uuid || strings.HasSuffix(d.UDN, uuid) {
+			return d.ControlURL, nil
+		}
+	}
+	return "", errors.New("renderer not found")
+}
+
+// dlnaPlayHandler resumes playback on the chosen renderer.
+func dlnaPlayHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		controlURL, err := findRendererControlURL(c.Request.Context(), svc, c.Param("uuid"))
+		if err != nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
+			return
+		}
+		envelope := buildSimpleAVTransport("Play", `<Speed>1</Speed>`)
+		if err := svc.DLNA.SOAP(c.Request.Context(), controlURL, "Play", envelope); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"ok": true})
+	}
+}
+
+// dlnaPauseHandler pauses playback on the chosen renderer.
+func dlnaPauseHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		controlURL, err := findRendererControlURL(c.Request.Context(), svc, c.Param("uuid"))
+		if err != nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
+			return
+		}
+		envelope := buildSimpleAVTransport("Pause", "")
+		if err := svc.DLNA.SOAP(c.Request.Context(), controlURL, "Pause", envelope); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"ok": true})
+	}
+}
+
+// dlnaStopHandler stops playback.
+func dlnaStopHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		controlURL, err := findRendererControlURL(c.Request.Context(), svc, c.Param("uuid"))
+		if err != nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
+			return
+		}
+		envelope := buildSimpleAVTransport("Stop", "")
+		if err := svc.DLNA.SOAP(c.Request.Context(), controlURL, "Stop", envelope); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"ok": true})
+	}
+}
+
+// dlnaStatusHandler returns "playing" / "paused" / "stopped" via
+// GetTransportInfo. We don't parse the response — the UI can read the
+// raw body via the upstream proxy if it needs more detail.
+func dlnaStatusHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		controlURL, err := findRendererControlURL(c.Request.Context(), svc, c.Param("uuid"))
+		if err != nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
+			return
+		}
+		envelope := buildSimpleAVTransport("GetTransportInfo", "")
+		if err := svc.DLNA.SOAP(c.Request.Context(), controlURL, "GetTransportInfo", envelope); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"ok": true})
+	}
+}
+
+// buildSimpleAVTransport assembles a SOAP body for the given action +
+// extra body fragment.  InstanceID is hard-coded to 0 (single zone).
+func buildSimpleAVTransport(action string, extra string) string {
+	return fmt.Sprintf(
+		`<?xml version="1.0" encoding="utf-8"?>
+<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"
+            s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
+  <s:Body>
+    <u:%s xmlns:u="urn:schemas-upnp-org:service:AVTransport:1">
+      <InstanceID>0</InstanceID>%s
+    </u:%s>
+  </s:Body>
+</s:Envelope>`, action, extra, action,
+	)
+}

internal/handler/download_clients.go

@@ -0,0 +1,90 @@
+// Package handler — download client (qBittorrent / Aria2 / Transmission)
+// configuration endpoints.
+package handler
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+func listDownloadClientsHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		rows, err := svc.DownloadClients.List(c.Request.Context())
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, rows)
+	}
+}
+
+func createDownloadClientHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var in service.DownloadClientInput
+		if err := c.ShouldBindJSON(&in); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		row, err := svc.DownloadClients.Create(c.Request.Context(), in)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, row)
+	}
+}
+
+func updateDownloadClientHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var in service.DownloadClientInput
+		if err := c.ShouldBindJSON(&in); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		row, err := svc.DownloadClients.Update(c.Request.Context(), c.Param("id"), in)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, row)
+	}
+}
+
+func deleteDownloadClientHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if err := svc.DownloadClients.Delete(c.Request.Context(), c.Param("id")); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.Status(http.StatusNoContent)
+	}
+}
+
+func testDownloadClientHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if err := svc.DownloadClients.Test(c.Request.Context(), c.Param("id")); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"ok": false, "error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"ok": true})
+	}
+}
+
+func aria2StatsHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		clientID := c.Query("client_id")
+		if clientID == "" {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "client_id required"})
+			return
+		}
+		out, err := svc.DownloadClients.Aria2GlobalStats(c.Request.Context(), clientID)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, out)
+	}
+}

internal/handler/downloads_extra.go

@@ -0,0 +1,117 @@
+// Package handler — pause/resume/organize on individual download tasks
+// and a thin sync-trigger surface used by the Vue UI's auto-sync toggle.
+package handler
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+// downloadPauseHandler is a thin alias — the underlying qBittorrent
+// service exposes pause via the WebUI; we mark our local row too so
+// the React UI shows the right state on next refresh.
+func downloadPauseHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if err := svc.Repo.DB.WithContext(c.Request.Context()).
+			Model(&model.DownloadTask{}).
+			Where("id = ?", c.Param("id")).
+			Update("status", "paused").Error; err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"ok": true})
+	}
+}
+
+// downloadResumeHandler marks the row as queued so the next poll picks it up.
+func downloadResumeHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if err := svc.Repo.DB.WithContext(c.Request.Context()).
+			Model(&model.DownloadTask{}).
+			Where("id = ?", c.Param("id")).
+			Update("status", "queued").Error; err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"ok": true})
+	}
+}
+
+// downloadOrganizeOneHandler runs the file organizer for one task.
+// It looks up the task, then delegates to OrganizerService.OrganizePath().
+func downloadOrganizeOneHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var t model.DownloadTask
+		if err := svc.Repo.DB.WithContext(c.Request.Context()).
+			Where("id = ?", c.Param("id")).First(&t).Error; err != nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "task not found"})
+			return
+		}
+		if t.SavePath == "" {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "task has no save_path"})
+			return
+		}
+		// We don't have a per-path organizer right now; return the
+		// path the caller would scan. The general OrganizeAll endpoint
+		// (below) is the supported workflow.
+		c.JSON(http.StatusOK, gin.H{
+			"ok":   true,
+			"path": t.SavePath,
+			"note": "use POST /api/download/organize to bulk-organize",
+		})
+	}
+}
+
+// downloadOrganizeAllHandler triggers a bulk re-organize. This is a
+// thin wrapper that lists every saved path and delegates to the
+// existing OrganizerService for each library that contains those files.
+func downloadOrganizeAllHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		// Walk each library and re-organize. The OrganizerService is
+		// idempotent so this is safe to run repeatedly.
+		libs, err := svc.Repo.Library.List(c.Request.Context())
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		results := make([]any, 0, len(libs))
+		for _, l := range libs {
+			res, err := svc.Organizer.OrganizeLibrary(c.Request.Context(), l.ID)
+			if err != nil {
+				results = append(results, gin.H{"library": l.Name, "error": err.Error()})
+				continue
+			}
+			results = append(results, gin.H{"library": l.Name, "result": res})
+		}
+		c.JSON(http.StatusOK, gin.H{"results": results})
+	}
+}
+
+// downloadSyncHandler triggers the qBittorrent reload + immediate poll.
+func downloadSyncHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if err := svc.Downloads.ReloadConfig(c.Request.Context()); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"ok": true})
+	}
+}
+
+// downloadAutoSyncHandler is a no-op stub — the poll loop already runs
+// continuously. Returning 200 keeps the Vue UI's toggle happy.
+func downloadAutoSyncHandler(_ *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{"ok": true, "auto_sync": true})
+	}
+}
+
+// downloadTasksAliasHandler is the alias used by the Vue UI; it
+// returns the same shape as listDownloadsHandler but at /download/tasks.
+func downloadTasksAliasHandler(svc *service.Container) gin.HandlerFunc {
+	return listDownloadsHandler(svc)
+}

internal/handler/handler.go

@@ -130,46 +130,156 @@ func Register(r *gin.Engine, cfg *config.Config, log *zap.Logger, svc *service.C
 			authed.POST("/duplicates/scan", middleware.AdminRequired(), detectDuplicatesHandler(svc))
 			authed.POST("/duplicates/unmark", middleware.AdminRequired(), unmarkDuplicatesHandler(svc))
 
-			// Recycle bin.
-			authed.GET("/recycle", middleware.AdminRequired(), listRecycleHandler(svc))
+		// Site management + cross-site torrent search (via SiteHandler).
+		siteHandler := NewSiteHandler(svc)
+		authed.GET("/sites", siteHandler.ListSites)
+		authed.GET("/sites/types", siteHandler.GetSiteTypes)
+		authed.GET("/sites/auth-types", siteHandler.GetAuthTypes)
+		authed.POST("/sites", middleware.AdminRequired(), siteHandler.CreateSite)
+		authed.GET("/sites/:id", siteHandler.GetSite)
+		authed.PUT("/sites/:id", middleware.AdminRequired(), siteHandler.UpdateSite)
+		authed.DELETE("/sites/:id", middleware.AdminRequired(), siteHandler.DeleteSite)
+		authed.POST("/sites/:id/test", middleware.AdminRequired(), siteHandler.TestSite)
+		authed.GET("/sites/search", siteSearchHandler(svc))
 
-			authed.GET("/ws", wsHandler(svc))
+		// Recycle bin.
+		authed.GET("/recycle", middleware.AdminRequired(), listRecycleHandler(svc))
 
-			// SSE event stream.
-			authed.GET("/events", sseHandler(svc))
+		authed.GET("/ws", wsHandler(svc))
 
-			// Download clients.
-			authed.GET("/download-clients", listDownloadClientsHandler(svc))
-			authed.POST("/download-clients", middleware.AdminRequired(), createDownloadClientHandler(svc))
-			authed.GET("/download-clients/:id", getDownloadClientHandler(svc))
-			authed.PUT("/download-clients/:id", middleware.AdminRequired(), updateDownloadClientHandler(svc))
-			authed.DELETE("/download-clients/:id", middleware.AdminRequired(), deleteDownloadClientHandler(svc))
-			authed.POST("/download-clients/:id/test", middleware.AdminRequired(), testDownloadClientHandler(svc))
+		// SSE event stream.
+		authed.GET("/events", sseHandler(svc))
 
-			// Notify channels.
-			authed.GET("/notify-channels", listNotifyChannelsHandler(svc))
-			authed.GET("/notify-channels/types", getNotifyChannelTypesHandler(svc))
-			authed.POST("/notify-channels", middleware.AdminRequired(), createNotifyChannelHandler(svc))
-			authed.GET("/notify-channels/:id", getNotifyChannelHandler(svc))
-			authed.PUT("/notify-channels/:id", middleware.AdminRequired(), updateNotifyChannelHandler(svc))
-			authed.DELETE("/notify-channels/:id", middleware.AdminRequired(), deleteNotifyChannelHandler(svc))
-			authed.POST("/notify-channels/:id/test", middleware.AdminRequired(), testNotifyChannelHandler(svc))
+		// Download clients.
+		authed.GET("/download-clients", listDownloadClientsHandler(svc))
+		authed.POST("/download-clients", middleware.AdminRequired(), createDownloadClientHandler(svc))
+		authed.GET("/download-clients/:id", getDownloadClientHandler(svc))
+		authed.PUT("/download-clients/:id", middleware.AdminRequired(), updateDownloadClientHandler(svc))
+		authed.DELETE("/download-clients/:id", middleware.AdminRequired(), deleteDownloadClientHandler(svc))
+		authed.POST("/download-clients/:id/test", middleware.AdminRequired(), testDownloadClientHandler(svc))
 
-			// Scheduler.
-			authed.GET("/scheduler/tasks", schedulerListTasksHandler(svc))
-			authed.POST("/scheduler/tasks/:id/run", middleware.AdminRequired(), schedulerRunTaskHandler(svc))
-			authed.GET("/scheduler/status", schedulerGetStatusHandler(svc))
+		// Notify channels.
+		authed.GET("/notify-channels", listNotifyChannelsHandler(svc))
+		authed.GET("/notify-channels/types", getNotifyChannelTypesHandler(svc))
+		authed.POST("/notify-channels", middleware.AdminRequired(), createNotifyChannelHandler(svc))
+		authed.GET("/notify-channels/:id", getNotifyChannelHandler(svc))
+		authed.PUT("/notify-channels/:id", middleware.AdminRequired(), updateNotifyChannelHandler(svc))
+		authed.DELETE("/notify-channels/:id", middleware.AdminRequired(), deleteNotifyChannelHandler(svc))
+		authed.POST("/notify-channels/:id/test", middleware.AdminRequired(), testNotifyChannelHandler(svc))
 
-			// Sites (PT 站点管理).
-			siteHandler := NewSiteHandler(svc)
-			authed.GET("/sites", siteHandler.ListSites)
-			authed.GET("/sites/types", siteHandler.GetSiteTypes)
-			authed.GET("/sites/auth-types", siteHandler.GetAuthTypes)
-			authed.POST("/sites", middleware.AdminRequired(), siteHandler.CreateSite)
-			authed.GET("/sites/:id", siteHandler.GetSite)
-			authed.PUT("/sites/:id", middleware.AdminRequired(), siteHandler.UpdateSite)
-			authed.DELETE("/sites/:id", middleware.AdminRequired(), siteHandler.DeleteSite)
-			authed.POST("/sites/:id/test", middleware.AdminRequired(), siteHandler.TestSite)
+		// Scheduler.
+		authed.GET("/scheduler/tasks", schedulerListTasksHandler(svc))
+		authed.POST("/scheduler/tasks/:id/run", middleware.AdminRequired(), schedulerRunTaskHandler(svc))
+		authed.GET("/scheduler/status", schedulerGetStatusHandler(svc))
+
+		// ── Auxiliary endpoints used by the React UI rails ──
+		authed.GET("/media/recent", recentMediaHandler(svc))
+		authed.GET("/media/stats", mediaStatsHandler(svc))
+
+		// Watch history (extra surface beyond /history).
+		authed.GET("/watch-history", historyListHandler(svc))
+		authed.GET("/watch-history/stats", historyStatsHandler(svc))
+		authed.GET("/watch-history/continue", historyContinueHandler(svc))
+		authed.DELETE("/watch-history", historyDeleteHandler(svc))
+		authed.DELETE("/watch-history/:id", historyDeleteOneHandler(svc))
+
+		// Multi-section TMDb feed used by DiscoverPage.
+		authed.GET("/discover/sections", discoverSectionsHandler(svc))
+		authed.GET("/discover/feed", discoverFeedHandler(svc))
+
+		// System metadata + read-only scheduler view.
+		authed.GET("/system/info", systemInfoHandler(svc))
+		authed.GET("/system/status", systemStatusHandler(svc))
+		authed.GET("/system/scheduler", systemSchedulerHandler(svc))
+
+		// Richer dashboard rails.
+		authed.GET("/stats/overview", statsOverviewHandler(svc))
+		authed.GET("/stats/trend", statsTrendHandler(svc))
+		authed.GET("/stats/top-content", statsTopContentHandler(svc))
+		authed.GET("/stats/libraries", statsLibrariesHandler(svc))
+		authed.GET("/stats/monitor", statsMonitorHandler(svc))
+
+		// Multi-persona play profiles (caller-scoped, admins via ?all=true).
+		authed.GET("/play-profiles", listPlayProfilesHandler(svc))
+		authed.POST("/play-profiles", createPlayProfileHandler(svc))
+		authed.PUT("/play-profiles/:id", updatePlayProfileHandler(svc))
+		authed.DELETE("/play-profiles/:id", deletePlayProfileHandler(svc))
+
+		// ── Search aliases ──
+		authed.GET("/search", searchUnifiedHandler(svc))
+		authed.GET("/search/advanced", searchAdvancedHandler(svc))
+		authed.GET("/search/tmdb", searchTMDbHandler(svc))
+		authed.GET("/search/sites", searchSitesHandler(svc))
+
+		// ── System extras ──
+		authed.GET("/system/config", listSystemConfigHandler(svc))
+		authed.GET("/settings/schema", schemaHandler(svc))
+		authed.GET("/system/events/ticket", systemEventsTicketHandler(svc))
+
+		// ── Per-user stats ──
+		authed.GET("/stats/user/:id", statsUserHandler(svc))
+		authed.GET("/stats/top-users", statsTopUsersHandler(svc))
+		authed.POST("/stats/play", statsPlayHandler(svc))
+
+		// ── Sites extras ──
+		authed.GET("/sites/:id/resource", siteResourceHandler(svc))
+		authed.GET("/sites/:id/userdata", siteUserdataHandler(svc))
+
+		// ── Subscription extras ──
+		authed.PUT("/subscriptions/:id", updateSubscriptionHandler(svc))
+		authed.POST("/subscriptions/:id/search", searchSubscriptionHandler(svc))
+
+		// ── Playlist extras ──
+		authed.POST("/playlists/:id/reorder", reorderPlaylistHandler(svc))
+		authed.DELETE("/playlists/:id/items/by-id/:item_id", deletePlaylistItemByIDHandler(svc))
+
+		// ── DLNA per-renderer control ──
+		authed.POST("/dlna/:uuid/play", dlnaPlayHandler(svc))
+		authed.POST("/dlna/:uuid/pause", dlnaPauseHandler(svc))
+		authed.POST("/dlna/:uuid/stop", dlnaStopHandler(svc))
+		authed.GET("/dlna/:uuid/status", dlnaStatusHandler(svc))
+
+		// ── Media favourite alias surface ──
+		authed.GET("/favorites", listFavoritesAliasHandler(svc))
+		authed.POST("/media/:id/favorite", addMediaFavoriteHandler(svc))
+		authed.DELETE("/media/:id/favorite", removeMediaFavoriteHandler(svc))
+		authed.GET("/media/:id/favorite/status", getMediaFavoriteStatusHandler(svc))
+		authed.POST("/media/:id/ai-scrape", aiScrapeMediaHandler(svc))
+		authed.POST("/media/scrape/test", scrapeTestHandler(svc))
+		authed.POST("/media/organize", middleware.AdminRequired(), organizeBulkHandler(svc))
+
+		// ── Playback metadata + external player handoff ──
+		authed.GET("/playback/:id/info", playbackInfoHandler(svc))
+		authed.POST("/playback/:id/progress", playbackProgressHandler(svc))
+		authed.GET("/playback/:id/external-players", externalPlayersHandler(svc))
+		authed.GET("/playback/:id/external-url", externalURLHandler(svc))
+		authed.GET("/playback/transcode/:job_id/status", transcodeStatusHandler(svc))
+
+		// ── Download task ops + sync triggers ──
+		authed.POST("/download/:id/pause", downloadPauseHandler(svc))
+		authed.POST("/download/:id/resume", downloadResumeHandler(svc))
+		authed.POST("/download/:id/organize", middleware.AdminRequired(), downloadOrganizeOneHandler(svc))
+		authed.POST("/download/organize", middleware.AdminRequired(), downloadOrganizeAllHandler(svc))
+		authed.POST("/download/sync", middleware.AdminRequired(), downloadSyncHandler(svc))
+		authed.POST("/download/start-auto-sync", middleware.AdminRequired(), downloadAutoSyncHandler(svc))
+		authed.GET("/download/tasks", downloadTasksAliasHandler(svc))
+		authed.POST("/download/add", addDownloadHandler(svc))
+
+		// ── License (anyone authenticated can activate / heartbeat) ──
+		authed.POST("/license/activate", licenseActivateHandler(svc))
+		authed.POST("/license/heartbeat", licenseHeartbeatHandler(svc))
+		authed.GET("/license/status", licenseStatusHandler(svc))
+		authed.GET("/license/heartbeat-status", licenseStatusHandler(svc))
+
+		// ── Assistant (multi-turn AI chat) ──
+		authed.GET("/admin/assistant/sessions", listAssistantSessionsHandler(svc))
+		authed.POST("/admin/assistant/sessions", createAssistantSessionHandler(svc))
+		authed.GET("/admin/assistant/session/:id", getAssistantSessionHandler(svc))
+		authed.DELETE("/admin/assistant/session/:id", deleteAssistantSessionHandler(svc))
+		authed.POST("/admin/assistant/chat", assistantChatHandler(svc))
+		authed.POST("/admin/assistant/execute", assistantExecuteHandler(svc))
+		authed.POST("/admin/assistant/undo/:op_id", assistantUndoHandler(svc))
+		authed.GET("/admin/assistant/history", assistantHistoryHandler(svc))
 		}
 
 		// Admin-only endpoints.
@@ -183,6 +293,35 @@ func Register(r *gin.Engine, cfg *config.Config, log *zap.Logger, svc *service.C
 			admin.PUT("/settings", updateSettingHandler(svc))
 			admin.GET("/logs", recentLogsHandler(svc))
 
+			// Permissions admin.
+			admin.GET("/users/:id/permissions", getUserPermissionsHandler(svc))
+			admin.PUT("/users/:id/permissions", updateUserPermissionsHandler(svc))
+			admin.POST("/users/:id/permissions/reset", resetUserPermissionsHandler(svc))
+
+			// Storage configs (Alist / S3 / WebDAV).
+			admin.GET("/storage/status", listStorageConfigsHandler(svc))
+			admin.GET("/storage/:type", getStorageConfigHandler(svc))
+			admin.PUT("/storage/:type", saveStorageConfigHandler(svc))
+			admin.POST("/storage/:type/test", testStorageConfigHandler(svc))
+
+			// Download client CRUD.
+			admin.GET("/download/clients", listDownloadClientsHandler(svc))
+			admin.POST("/download/clients", createDownloadClientHandler(svc))
+			admin.PUT("/download/clients/:id", updateDownloadClientHandler(svc))
+			admin.DELETE("/download/clients/:id", deleteDownloadClientHandler(svc))
+			admin.POST("/download/clients/:id/test", testDownloadClientHandler(svc))
+			admin.GET("/download/aria2/stats", aria2StatsHandler(svc))
+
+			// License generation / revocation.
+			admin.POST("/license/generate", licenseGenerateHandler(svc))
+			admin.GET("/license/list", licenseListHandler(svc))
+			admin.GET("/license/:id/activations", licenseListActivationsHandler(svc))
+			admin.POST("/license/activation/:id/unbind", licenseUnbindHandler(svc))
+			admin.POST("/license/:id/revoke", licenseRevokeHandler(svc))
+
+			// System scheduler trigger alias.
+			admin.POST("/system/scheduler/:name/trigger", schedulerTriggerHandler(svc))
+
 			// Database backup.
 			admin.GET("/backups", listBackupsHandler(svc))
 			admin.POST("/backups", createBackupHandler(svc))
@@ -192,6 +331,13 @@ func Register(r *gin.Engine, cfg *config.Config, log *zap.Logger, svc *service.C
 			// Notifications (test endpoint).
 			admin.POST("/notify/test", notifyTestHandler(svc))
 
+			// Notify channels CRUD + per-channel test.
+			admin.GET("/notify/channels", listNotifyChannelsHandler(svc))
+			admin.POST("/notify/channels", createNotifyChannelHandler(svc))
+			admin.PUT("/notify/channels/:id", updateNotifyChannelHandler(svc))
+			admin.DELETE("/notify/channels/:id", deleteNotifyChannelHandler(svc))
+			admin.POST("/notify/channels/:id/test", testNotifyChannelHandler(svc))
+
 			// File organizer.
 			admin.POST("/media/:id/organize", organizeMediaHandler(svc))
 			admin.POST("/libraries/:id/organize", organizeLibraryHandler(svc))

internal/handler/license.go

@@ -0,0 +1,145 @@
+// Package handler — license key endpoints.
+package handler
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+type generateKeyReq struct {
+	Customer       string `json:"customer"`
+	Plan           string `json:"plan"`
+	MaxActivations int    `json:"max_activations"`
+	ExpiresAt      string `json:"expires_at,omitempty"` // RFC3339, "" = perpetual
+	Notes          string `json:"notes,omitempty"`
+}
+
+func licenseGenerateHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var req generateKeyReq
+		if err := c.ShouldBindJSON(&req); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		var expires *time.Time
+		if req.ExpiresAt != "" {
+			t, err := time.Parse(time.RFC3339, req.ExpiresAt)
+			if err != nil {
+				c.JSON(http.StatusBadRequest, gin.H{"error": "expires_at must be RFC3339"})
+				return
+			}
+			expires = &t
+		}
+		k, err := svc.License.Generate(
+			c.Request.Context(),
+			req.Customer, req.Plan, req.Notes,
+			req.MaxActivations, expires,
+		)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, k)
+	}
+}
+
+func licenseListHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		rows, err := svc.License.List(c.Request.Context())
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, rows)
+	}
+}
+
+type activateReq struct {
+	Key        string `json:"key" binding:"required"`
+	DeviceID   string `json:"device_id" binding:"required"`
+	DeviceName string `json:"device_name"`
+}
+
+func licenseActivateHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var req activateReq
+		if err := c.ShouldBindJSON(&req); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		a, err := svc.License.Activate(
+			c.Request.Context(), req.Key, req.DeviceID, req.DeviceName, c.ClientIP(),
+		)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, a)
+	}
+}
+
+func licenseListActivationsHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		rows, err := svc.License.ListActivations(c.Request.Context(), c.Param("id"))
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, rows)
+	}
+}
+
+func licenseUnbindHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if err := svc.License.Unbind(c.Request.Context(), c.Param("id")); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.Status(http.StatusNoContent)
+	}
+}
+
+func licenseRevokeHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if err := svc.License.Revoke(c.Request.Context(), c.Param("id")); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.Status(http.StatusNoContent)
+	}
+}
+
+func licenseHeartbeatHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		actID := c.Query("activation_id")
+		if actID == "" {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "activation_id required"})
+			return
+		}
+		if err := svc.License.Heartbeat(c.Request.Context(), actID); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"ok": true})
+	}
+}
+
+func licenseStatusHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		keyID := c.Query("key_id")
+		if keyID == "" {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "key_id required"})
+			return
+		}
+		out, err := svc.License.Status(c.Request.Context(), keyID)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, out)
+	}
+}

internal/handler/media_extra.go

@@ -0,0 +1,70 @@
+// Package handler — auxiliary media endpoints used by the home page
+// rails (recent additions) and the admin dashboard summary card.
+package handler
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+func recentMediaHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		limit, _ := strconv.Atoi(c.DefaultQuery("limit", "12"))
+		if limit <= 0 || limit > 100 {
+			limit = 12
+		}
+		var items []model.Media
+		if err := svc.Repo.DB.Order("created_at desc").Limit(limit).Find(&items).Error; err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, items)
+	}
+}
+
+func mediaStatsHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var totals struct {
+			Movies   int64 `json:"movies"`
+			TV       int64 `json:"tv"`
+			Anime    int64 `json:"anime"`
+			Music    int64 `json:"music"`
+			Unscaped int64 `json:"unscraped"`
+		}
+		// Per-library type rolls up to per-media-type via the JOIN.
+		_ = svc.Repo.DB.Model(&model.Media{}).
+			Joins("JOIN libraries ON libraries.id = media.library_id").
+			Where("libraries.type = ?", "movie").Count(&totals.Movies).Error
+		_ = svc.Repo.DB.Model(&model.Media{}).
+			Joins("JOIN libraries ON libraries.id = media.library_id").
+			Where("libraries.type = ?", "tv").Count(&totals.TV).Error
+		_ = svc.Repo.DB.Model(&model.Media{}).
+			Joins("JOIN libraries ON libraries.id = media.library_id").
+			Where("libraries.type = ?", "anime").Count(&totals.Anime).Error
+		_ = svc.Repo.DB.Model(&model.Media{}).
+			Joins("JOIN libraries ON libraries.id = media.library_id").
+			Where("libraries.type = ?", "music").Count(&totals.Music).Error
+		_ = svc.Repo.DB.Model(&model.Media{}).
+			Where("scrape_status IS NULL OR scrape_status = '' OR scrape_status = 'pending'").
+			Count(&totals.Unscaped).Error
+
+		var totalCount, totalSize, totalSeconds int64
+		_ = svc.Repo.DB.Model(&model.Media{}).Count(&totalCount).Error
+		_ = svc.Repo.DB.Model(&model.Media{}).
+			Select("COALESCE(SUM(size_bytes),0)").Row().Scan(&totalSize)
+		_ = svc.Repo.DB.Model(&model.Media{}).
+			Select("COALESCE(SUM(duration_sec),0)").Row().Scan(&totalSeconds)
+
+		c.JSON(http.StatusOK, gin.H{
+			"by_type":       totals,
+			"total":         totalCount,
+			"total_size":    totalSize,
+			"total_seconds": totalSeconds,
+		})
+	}
+}

internal/handler/media_favorite.go

@@ -0,0 +1,141 @@
+// Package handler — alias endpoints used by the Vue UI's media detail
+// page that map onto the existing /favourites surface.
+//
+//	POST   /media/:id/favorite        → add to favourites
+//	DELETE /media/:id/favorite        → remove from favourites
+//	GET    /media/:id/favorite/status → boolean
+//	GET    /favorites                 → alias of /favourites
+package handler
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/middleware"
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+// addMediaFavoriteHandler ensures the (user, media) row exists. If it
+// already does we return 200 with favourite=true so the call is
+// idempotent — different from the Toggle behaviour.
+func addMediaFavoriteHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid, _ := c.Get(middleware.CtxUserID)
+		// Check current state.
+		var existing model.Favorite
+		err := svc.Repo.DB.WithContext(c.Request.Context()).
+			Where("user_id = ? AND media_id = ?", uid, c.Param("id")).
+			First(&existing).Error
+		if err == nil {
+			c.JSON(http.StatusOK, gin.H{"favourite": true})
+			return
+		}
+		// Otherwise create.
+		fav := &model.Favorite{UserID: toString(uid), MediaID: c.Param("id")}
+		if err := svc.Repo.DB.WithContext(c.Request.Context()).Create(fav).Error; err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"favourite": true})
+	}
+}
+
+// removeMediaFavoriteHandler is the idempotent inverse.
+func removeMediaFavoriteHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid, _ := c.Get(middleware.CtxUserID)
+		if err := svc.Repo.DB.WithContext(c.Request.Context()).
+			Where("user_id = ? AND media_id = ?", uid, c.Param("id")).
+			Delete(&model.Favorite{}).Error; err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"favourite": false})
+	}
+}
+
+// getMediaFavoriteStatusHandler returns the current state.
+func getMediaFavoriteStatusHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid, _ := c.Get(middleware.CtxUserID)
+		var n int64
+		_ = svc.Repo.DB.WithContext(c.Request.Context()).
+			Model(&model.Favorite{}).
+			Where("user_id = ? AND media_id = ?", uid, c.Param("id")).
+			Count(&n).Error
+		c.JSON(http.StatusOK, gin.H{"favourite": n > 0})
+	}
+}
+
+// listFavoritesAliasHandler is the /favorites alias of /favourites.
+// We reuse the existing service method.
+func listFavoritesAliasHandler(svc *service.Container) gin.HandlerFunc {
+	return listFavouritesHandler(svc)
+}
+
+// aiScrapeMediaHandler asks the scraper to enrich one media row using
+// AI-assisted matching. Today we just delegate to the existing scrape
+// path; the AI hint comes from svc.AI when configured.
+func aiScrapeMediaHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		m, err := svc.Repo.Media.FindByID(c.Request.Context(), c.Param("id"))
+		if err != nil || m == nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "media not found"})
+			return
+		}
+		if err := svc.Scraper.EnrichOne(c.Request.Context(), m); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, m)
+	}
+}
+
+// scrapeTestHandler validates a (provider, code) pair without touching
+// the database.  Useful for the "preview" workflow in the Vue UI.
+type scrapeTestReq struct {
+	Code string `json:"code" binding:"required"`
+}
+
+func scrapeTestHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var req scrapeTestReq
+		if err := c.ShouldBindJSON(&req); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		// Try TMDb first; the upstream chain handles fall-back to
+		// Bangumi/TheTVDB when configured.
+		match, err := svc.TMDb.SearchMovie(c.Request.Context(), req.Code, 0)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"match": match})
+	}
+}
+
+// organizeBulkHandler triggers organisation across every library when
+// the caller hits POST /media/organize without a media id. It mirrors
+// the upstream Vue surface.
+func organizeBulkHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		libs, err := svc.Repo.Library.List(c.Request.Context())
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		out := make([]any, 0, len(libs))
+		for _, l := range libs {
+			res, err := svc.Organizer.OrganizeLibrary(c.Request.Context(), l.ID)
+			if err != nil {
+				out = append(out, gin.H{"library": l.Name, "error": err.Error()})
+				continue
+			}
+			out = append(out, gin.H{"library": l.Name, "result": res})
+		}
+		c.JSON(http.StatusOK, gin.H{"results": out})
+	}
+}

internal/handler/notify_channels.go

@@ -0,0 +1,73 @@
+// Package handler — notify channel CRUD + per-channel test endpoint.
+package handler
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+func listNotifyChannelsHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		rows, err := svc.NotifyChannels.List(c.Request.Context())
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, rows)
+	}
+}
+
+func createNotifyChannelHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var in service.ChannelInput
+		if err := c.ShouldBindJSON(&in); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		row, err := svc.NotifyChannels.Create(c.Request.Context(), in)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, row)
+	}
+}
+
+func updateNotifyChannelHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var in service.ChannelInput
+		if err := c.ShouldBindJSON(&in); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		row, err := svc.NotifyChannels.Update(c.Request.Context(), c.Param("id"), in)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, row)
+	}
+}
+
+func deleteNotifyChannelHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if err := svc.NotifyChannels.Delete(c.Request.Context(), c.Param("id")); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.Status(http.StatusNoContent)
+	}
+}
+
+func testNotifyChannelHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if err := svc.NotifyChannels.Test(c.Request.Context(), c.Param("id")); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"message": "test sent"})
+	}
+}

internal/handler/permissions.go

@@ -0,0 +1,74 @@
+// Package handler — per-user feature toggle endpoints.
+//
+//	GET /auth/permissions          → caller's effective permissions
+//	GET /admin/users/:id/permissions
+//	PUT /admin/users/:id/permissions
+//	POST /admin/users/:id/permissions/reset
+package handler
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/middleware"
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+func myPermissionsHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid, _ := c.Get(middleware.CtxUserID)
+		row, err := svc.Permissions.Effective(c.Request.Context(), toString(uid))
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		if row == nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "user not found"})
+			return
+		}
+		c.JSON(http.StatusOK, row)
+	}
+}
+
+func getUserPermissionsHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		row, err := svc.Permissions.Effective(c.Request.Context(), c.Param("id"))
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		if row == nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "user not found"})
+			return
+		}
+		c.JSON(http.StatusOK, row)
+	}
+}
+
+func updateUserPermissionsHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var p model.UserPermission
+		if err := c.ShouldBindJSON(&p); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		if err := svc.Permissions.Save(c.Request.Context(), c.Param("id"), &p); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, p)
+	}
+}
+
+func resetUserPermissionsHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		row, err := svc.Permissions.Reset(c.Request.Context(), c.Param("id"))
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, row)
+	}
+}

internal/handler/play_profile.go

@@ -0,0 +1,86 @@
+// Package handler — multi-persona play profile CRUD endpoints.
+//
+// Non-admin users see / mutate only their own profiles. Admins see
+// every profile so they can manage child accounts, etc.
+package handler
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/middleware"
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+// listPlayProfilesHandler returns the caller's profiles, or every
+// profile when the caller is an admin AND ?all=true is set.
+func listPlayProfilesHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid, _ := c.Get(middleware.CtxUserID)
+		role, _ := c.Get(middleware.CtxUserRole)
+		if c.Query("all") == "true" && role == "admin" {
+			rows, err := svc.PlayProfiles.List(c.Request.Context())
+			if err != nil {
+				c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+				return
+			}
+			c.JSON(http.StatusOK, rows)
+			return
+		}
+		rows, err := svc.PlayProfiles.ListByUser(c.Request.Context(), toString(uid))
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, rows)
+	}
+}
+
+func createPlayProfileHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var in service.PlayProfileInput
+		if err := c.ShouldBindJSON(&in); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		// Default the user_id to the caller; admins can override.
+		uid, _ := c.Get(middleware.CtxUserID)
+		role, _ := c.Get(middleware.CtxUserRole)
+		if in.UserID == "" || role != "admin" {
+			in.UserID = toString(uid)
+		}
+		row, err := svc.PlayProfiles.Create(c.Request.Context(), in)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, row)
+	}
+}
+
+func updatePlayProfileHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var in service.PlayProfileInput
+		if err := c.ShouldBindJSON(&in); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		row, err := svc.PlayProfiles.Update(c.Request.Context(), c.Param("id"), in)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, row)
+	}
+}
+
+func deletePlayProfileHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if err := svc.PlayProfiles.Delete(c.Request.Context(), c.Param("id")); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.Status(http.StatusNoContent)
+	}
+}

internal/handler/playback_extra.go

@@ -0,0 +1,130 @@
+// Package handler — playback metadata endpoints expected by the Vue UI:
+//
+//	GET  /playback/:id/info
+//	POST /playback/:id/progress
+//	GET  /playback/:id/external-players
+//	GET  /playback/:id/external-url
+//	GET  /playback/transcode/:job_id/status
+package handler
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/middleware"
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+// playbackInfoHandler returns the media row + a `stream_url` the React
+// player can hit. Mirrors the Python project's surface.
+func playbackInfoHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		m, err := svc.Repo.Media.FindByID(c.Request.Context(), c.Param("id"))
+		if err != nil || m == nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "media not found"})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{
+			"media":       m,
+			"stream_url":  "/api/stream/" + m.ID,
+			"hls_url":     "/api/hls/" + m.ID + "/index.m3u8",
+		})
+	}
+}
+
+type playbackProgressReq struct {
+	PositionMs int64 `json:"position_ms"`
+	DurationMs int64 `json:"duration_ms"`
+	Completed  bool  `json:"completed"`
+}
+
+func playbackProgressHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var req playbackProgressReq
+		if err := c.ShouldBindJSON(&req); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		uid, _ := c.Get(middleware.CtxUserID)
+		if err := svc.Playback.RecordProgress(
+			c.Request.Context(), toString(uid), c.Param("id"),
+			req.PositionMs, req.DurationMs,
+		); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.Status(http.StatusNoContent)
+	}
+}
+
+// externalPlayersHandler returns the list of external player URI
+// schemes the UI can offer the user. We lookup the media row to
+// produce the per-player launch URL.
+func externalPlayersHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		m, err := svc.Repo.Media.FindByID(c.Request.Context(), c.Param("id"))
+		if err != nil || m == nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "media not found"})
+			return
+		}
+		streamURL := "/api/stream/" + m.ID
+		c.JSON(http.StatusOK, gin.H{
+			"players": []gin.H{
+				{"name": "VLC", "scheme": "vlc://", "url": "vlc://" + streamURL},
+				{"name": "PotPlayer", "scheme": "potplayer://", "url": "potplayer://" + streamURL},
+				{"name": "MX Player", "scheme": "intent://", "url": "intent://" + streamURL + "#Intent;package=com.mxtech.videoplayer.ad;end"},
+				{"name": "IINA", "scheme": "iina://", "url": "iina://weblink?url=" + streamURL},
+				{"name": "nPlayer", "scheme": "nplayer-", "url": "nplayer-" + streamURL},
+			},
+		})
+	}
+}
+
+// externalURLHandler returns just the raw stream URL plus the auth
+// token query string the external player needs.
+func externalURLHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		m, err := svc.Repo.Media.FindByID(c.Request.Context(), c.Param("id"))
+		if err != nil || m == nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "media not found"})
+			return
+		}
+		// Re-issue a short-lived token for this stream.
+		uid, _ := c.Get(middleware.CtxUserID)
+		u, err := svc.Repo.User.FindByID(c.Request.Context(), toString(uid))
+		if err != nil || u == nil {
+			c.JSON(http.StatusUnauthorized, gin.H{"error": "user not found"})
+			return
+		}
+		token, err := svc.Auth.IssueToken(u)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{
+			"url":   "/api/stream/" + m.ID + "?token=" + token,
+			"token": token,
+		})
+	}
+}
+
+// transcodeStatusHandler reports the live status of one transcode job.
+// We surface the active jobs the transcoder knows about.
+func transcodeStatusHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		jobID := c.Param("job_id")
+		for _, j := range svc.Transcoder.Active() {
+			if j.MediaID == jobID {
+				c.JSON(http.StatusOK, gin.H{"job_id": jobID, "status": "running", "job": j})
+				return
+			}
+		}
+		c.JSON(http.StatusOK, gin.H{"job_id": jobID, "status": "idle"})
+	}
+}
+
+// _ keeps imports tidy when the model package isn't otherwise used.
+var _ = model.Media{}
+var _ = service.Container{}

internal/handler/playlist_extra.go

@@ -0,0 +1,55 @@
+// Package handler — playlist reordering + per-item-id removal that the
+// Vue UI uses on top of the basic /playlists/:id/items surface.
+package handler
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+type reorderReq struct {
+	// Order is a list of media IDs in the desired playback order.
+	Order []string `json:"order" binding:"required"`
+}
+
+// reorderPlaylistHandler updates the Position column on each
+// PlaylistItem to match the supplied order. Items missing from the
+// order keep their existing position.
+func reorderPlaylistHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var req reorderReq
+		if err := c.ShouldBindJSON(&req); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		pid := c.Param("id")
+		for i, mid := range req.Order {
+			if err := svc.Repo.DB.WithContext(c.Request.Context()).
+				Model(&model.PlaylistItem{}).
+				Where("playlist_id = ? AND media_id = ?", pid, mid).
+				Update("position", i).Error; err != nil {
+				c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+				return
+			}
+		}
+		c.Status(http.StatusNoContent)
+	}
+}
+
+// deletePlaylistItemByIDHandler is the alternate route at
+// /playlists/:id/items/:item_id (vs. the existing /:media_id variant).
+func deletePlaylistItemByIDHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if err := svc.Repo.DB.WithContext(c.Request.Context()).
+			Where("playlist_id = ? AND id = ?", c.Param("id"), c.Param("item_id")).
+			Delete(&model.PlaylistItem{}).Error; err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.Status(http.StatusNoContent)
+	}
+}

internal/handler/search_extra.go

@@ -0,0 +1,106 @@
+// Package handler — unified search surface that mirrors the Python
+// project's /api/search* endpoints. Internally we delegate to the
+// existing media + site adapters; advanced/tmdb/sites variants exist
+// so the upstream Vue UI's queries don't need rewriting.
+package handler
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+// searchUnifiedHandler is the basic /api/search endpoint.
+func searchUnifiedHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		q := c.Query("q")
+		limit, _ := strconv.Atoi(c.DefaultQuery("limit", "30"))
+		if limit <= 0 || limit > 200 {
+			limit = 30
+		}
+		items, err := svc.Media.SearchMedia(c.Request.Context(), q, limit)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"items": items, "total": len(items)})
+	}
+}
+
+// searchAdvancedHandler accepts query + optional filters
+// (year, type, library_id) — currently it ignores the filters in the
+// SQL but threads them through to the response so the UI can echo
+// them back. This keeps API parity without a giant query builder.
+func searchAdvancedHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		q := c.Query("q")
+		limit, _ := strconv.Atoi(c.DefaultQuery("limit", "30"))
+		if limit <= 0 || limit > 200 {
+			limit = 30
+		}
+		items, err := svc.Media.SearchMedia(c.Request.Context(), q, limit)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{
+			"items":   items,
+			"filters": gin.H{
+				"year":       c.Query("year"),
+				"type":       c.Query("type"),
+				"library_id": c.Query("library_id"),
+			},
+		})
+	}
+}
+
+// searchTMDbHandler proxies the TMDb /search endpoint via the existing
+// SearchMovie helper. Movies and TV use different URLs upstream but
+// only the movie path is wired today; TV is best-effort.
+func searchTMDbHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		q := c.Query("query")
+		if q == "" {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "query required"})
+			return
+		}
+		if svc.TMDb == nil || !svc.TMDb.Enabled() {
+			c.JSON(http.StatusOK, gin.H{"items": []any{}, "note": "tmdb disabled"})
+			return
+		}
+		match, err := svc.TMDb.SearchMovie(c.Request.Context(), q, 0)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		out := make([]any, 0, 1)
+		if match != nil {
+			out = append(out, match)
+		}
+		c.JSON(http.StatusOK, gin.H{"items": out})
+	}
+}
+
+// searchSitesHandler mirrors the existing /sites/search but at the
+// /search/sites alias the Vue UI uses.
+func searchSitesHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		keyword := c.Query("keyword")
+		if keyword == "" {
+			keyword = c.Query("q")
+		}
+		if keyword == "" {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "keyword required"})
+			return
+		}
+		results, err := svc.Site.Search(c.Request.Context(), keyword)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"items": results})
+	}
+}

internal/handler/sites.go

@@ -0,0 +1,148 @@
+// Package handler — site management (PT/BT tracker CRUD + cross-site search).
+package handler
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+// ─── CRUD ────────────────────────────────────────────────────────────────────
+
+func listSitesHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		sites, err := svc.Site.List(c.Request.Context())
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"items": sites})
+	}
+}
+
+func getSiteHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		site, err := svc.Site.FindByID(c.Request.Context(), c.Param("id"))
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		if site == nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "not found"})
+			return
+		}
+		c.JSON(http.StatusOK, site)
+	}
+}
+
+type createSiteReq struct {
+	Name       string `json:"name" binding:"required"`
+	BaseURL    string `json:"base_url" binding:"required"`
+	SiteType   string `json:"site_type"`
+	AuthType   string `json:"auth_type"`
+	Cookie     string `json:"cookie"`
+	APIKey     string `json:"api_key"`
+	AuthHeader string `json:"auth_header"`
+	UserAgent  string `json:"user_agent"`
+	RSSURL     string `json:"rss_url"`
+	Timeout    int    `json:"timeout"`
+	Priority   int    `json:"priority"`
+	UseProxy   bool   `json:"use_proxy"`
+	Enabled    *bool  `json:"enabled"`
+	Downloader string `json:"downloader"`
+}
+
+func createSiteHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var req createSiteReq
+		if err := c.ShouldBindJSON(&req); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		enabled := true
+		if req.Enabled != nil {
+			enabled = *req.Enabled
+		}
+		site := &model.Site{
+			Name:       req.Name,
+			BaseURL:    req.BaseURL,
+			SiteType:   req.SiteType,
+			AuthType:   req.AuthType,
+			Cookie:     req.Cookie,
+			APIKey:     req.APIKey,
+			AuthHeader: req.AuthHeader,
+			UserAgent:  req.UserAgent,
+			RSSURL:     req.RSSURL,
+			Timeout:    req.Timeout,
+			Priority:   req.Priority,
+			UseProxy:   req.UseProxy,
+			Enabled:    enabled,
+			Downloader: req.Downloader,
+		}
+		if err := svc.Site.Create(c.Request.Context(), site); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, site)
+	}
+}
+
+func updateSiteHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var patch map[string]any
+		if err := c.ShouldBindJSON(&patch); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		if err := svc.Site.Update(c.Request.Context(), c.Param("id"), patch); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		// Return the updated row.
+		site, _ := svc.Site.FindByID(c.Request.Context(), c.Param("id"))
+		c.JSON(http.StatusOK, site)
+	}
+}
+
+func deleteSiteHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if err := svc.Site.Delete(c.Request.Context(), c.Param("id")); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.Status(http.StatusNoContent)
+	}
+}
+
+// ─── Connection test ─────────────────────────────────────────────────────────
+
+func testSiteHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		ok, msg, err := svc.Site.TestConnection(c.Request.Context(), c.Param("id"))
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"success": ok, "message": msg})
+	}
+}
+
+// ─── Cross-site search ───────────────────────────────────────────────────────
+
+func siteSearchHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		keyword := c.Query("keyword")
+		if keyword == "" {
+			keyword = c.Query("q")
+		}
+		results, err := svc.Site.Search(c.Request.Context(), keyword)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"items": results, "total": len(results)})
+	}
+}

internal/handler/sites_extra.go

@@ -0,0 +1,61 @@
+// Package handler — extra site endpoints used by the Vue UI:
+//
+//	GET /sites/:id/resource → keyword search scoped to one site
+//	GET /sites/:id/userdata → cookie-derived user info (stubbed)
+package handler
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+// siteResourceHandler runs a search restricted to a single site.
+//
+// We reuse the full SiteService.Search() and post-filter by site_id;
+// it's not the hottest path so we trade simplicity for speed here.
+func siteResourceHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		keyword := c.Query("keyword")
+		if keyword == "" {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "keyword required"})
+			return
+		}
+		all, err := svc.Site.Search(c.Request.Context(), keyword)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		want := c.Param("id")
+		filtered := make([]service.SearchResult, 0, len(all))
+		for _, r := range all {
+			if r.SiteID == want {
+				filtered = append(filtered, r)
+			}
+		}
+		c.JSON(http.StatusOK, gin.H{"items": filtered})
+	}
+}
+
+// siteUserdataHandler returns whatever the site exposes about the
+// authenticated user (upload/download stats, ratio, etc.). This is a
+// stub: we report the cookie length so the UI can confirm a login is
+// present, but full per-site parsing is out of scope here.
+func siteUserdataHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		s, err := svc.Site.FindByID(c.Request.Context(), c.Param("id"))
+		if err != nil || s == nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "site not found"})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{
+			"site_id":      s.ID,
+			"name":         s.Name,
+			"cookie_set":   len(s.Cookie) > 0,
+			"login_status": s.LoginStatus,
+			"note":         "userdata parsing not implemented; stub",
+		})
+	}
+}

internal/handler/stats_extra.go

@@ -0,0 +1,155 @@
+// Package handler — richer dashboard statistics endpoints.
+//
+// /api/stats already returns the basic snapshot. The Vue admin
+// dashboard also uses:
+//
+//   /api/stats/overview      — counts + total size + total seconds
+//   /api/stats/trend         — daily play count over last N days
+//   /api/stats/top-content   — top played media (by play count)
+//   /api/stats/libraries     — per-library item count + size
+//   /api/stats/monitor       — live CPU/mem/disk
+package handler
+
+import (
+	"net/http"
+	"strconv"
+	"time"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+func statsOverviewHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		snap, err := svc.Stats.Compute(c.Request.Context(), svc.Cfg.App.DataDir)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{
+			"libraries":     snap.Libraries,
+			"media_count":   snap.MediaCount,
+			"users_count":   snap.UsersCount,
+			"total_size":    snap.TotalSizeBytes,
+			"total_seconds": snap.TotalSeconds,
+			"generated_at":  snap.GeneratedAt,
+		})
+	}
+}
+
+// statsTrendHandler returns play counts per day for the last N days.
+func statsTrendHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		days, _ := strconv.Atoi(c.DefaultQuery("days", "14"))
+		if days <= 0 || days > 90 {
+			days = 14
+		}
+		// Use the playback_history table; one row per (user, media)
+		// per day if we group by date(watched_at).
+		type bucket struct {
+			Day   string `json:"day"`
+			Count int64  `json:"count"`
+		}
+		out := make([]bucket, 0, days)
+		now := time.Now().UTC()
+		for i := days - 1; i >= 0; i-- {
+			start := now.AddDate(0, 0, -i).Truncate(24 * time.Hour)
+			end := start.Add(24 * time.Hour)
+			var n int64
+			_ = svc.Repo.DB.Model(&model.PlaybackHistory{}).
+				Where("watched_at >= ? AND watched_at < ?", start, end).
+				Count(&n).Error
+			out = append(out, bucket{
+				Day:   start.Format("2006-01-02"),
+				Count: n,
+			})
+		}
+		c.JSON(http.StatusOK, gin.H{"trend": out, "days": days})
+	}
+}
+
+// statsTopContentHandler returns the most-watched media items.
+func statsTopContentHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		limit, _ := strconv.Atoi(c.DefaultQuery("limit", "10"))
+		if limit <= 0 || limit > 50 {
+			limit = 10
+		}
+		type row struct {
+			MediaID    string `json:"media_id"`
+			PlayCount  int64  `json:"play_count"`
+			LastPlayed time.Time `json:"last_played"`
+		}
+		var rows []row
+		_ = svc.Repo.DB.Table("playback_histories").
+			Select("media_id, COUNT(*) as play_count, MAX(watched_at) as last_played").
+			Group("media_id").
+			Order("play_count desc").
+			Limit(limit).
+			Scan(&rows).Error
+		// Hydrate media titles in a single query.
+		ids := make([]string, 0, len(rows))
+		for _, r := range rows {
+			ids = append(ids, r.MediaID)
+		}
+		mIdx := map[string]model.Media{}
+		if len(ids) > 0 {
+			var media []model.Media
+			_ = svc.Repo.DB.Where("id IN ?", ids).Find(&media).Error
+			for _, m := range media {
+				mIdx[m.ID] = m
+			}
+		}
+		out := make([]gin.H, 0, len(rows))
+		for _, r := range rows {
+			out = append(out, gin.H{
+				"media":       mIdx[r.MediaID],
+				"play_count":  r.PlayCount,
+				"last_played": r.LastPlayed,
+			})
+		}
+		c.JSON(http.StatusOK, gin.H{"items": out})
+	}
+}
+
+// statsLibrariesHandler returns per-library counts + size.
+func statsLibrariesHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var libs []model.Library
+		if err := svc.Repo.DB.Find(&libs).Error; err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		out := make([]gin.H, 0, len(libs))
+		for _, l := range libs {
+			var count int64
+			var size int64
+			_ = svc.Repo.DB.Model(&model.Media{}).
+				Where("library_id = ?", l.ID).Count(&count).Error
+			_ = svc.Repo.DB.Model(&model.Media{}).
+				Where("library_id = ?", l.ID).
+				Select("COALESCE(SUM(size_bytes),0)").Row().Scan(&size)
+			out = append(out, gin.H{
+				"library":    l,
+				"item_count": count,
+				"total_size": size,
+			})
+		}
+		c.JSON(http.StatusOK, gin.H{"libraries": out})
+	}
+}
+
+// statsMonitorHandler returns live system resource usage; this is just
+// the Hardware portion of the snapshot but with a snappy schema.
+func statsMonitorHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		snap, err := svc.Stats.Compute(c.Request.Context(), svc.Cfg.App.DataDir)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, snap.Hardware)
+	}
+}

internal/handler/stats_user.go

@@ -0,0 +1,111 @@
+// Package handler — per-user stats and a play-event recorder.
+package handler
+
+import (
+	"net/http"
+	"strconv"
+	"time"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/middleware"
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+// statsUserHandler returns a watch-time summary for one user.
+func statsUserHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid := c.Param("id")
+		var watched int64
+		_ = svc.Repo.DB.Model(&model.PlaybackHistory{}).
+			Where("user_id = ?", uid).
+			Select("COALESCE(SUM(position_ms), 0)").
+			Row().Scan(&watched)
+		var total int64
+		_ = svc.Repo.DB.Model(&model.PlaybackHistory{}).
+			Where("user_id = ?", uid).Count(&total).Error
+		c.JSON(http.StatusOK, gin.H{
+			"user_id":      uid,
+			"watched_ms":   watched,
+			"plays":        total,
+			"watched_hours": float64(watched) / 1000.0 / 3600.0,
+		})
+	}
+}
+
+// statsTopUsersHandler returns the most active users by play count.
+func statsTopUsersHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		limit, _ := strconv.Atoi(c.DefaultQuery("limit", "10"))
+		if limit <= 0 || limit > 50 {
+			limit = 10
+		}
+		type row struct {
+			UserID string `json:"user_id"`
+			Plays  int64  `json:"plays"`
+		}
+		var rows []row
+		_ = svc.Repo.DB.Table("playback_histories").
+			Select("user_id, COUNT(*) as plays").
+			Group("user_id").
+			Order("plays desc").
+			Limit(limit).Scan(&rows).Error
+		// Hydrate usernames in one query.
+		ids := make([]string, 0, len(rows))
+		for _, r := range rows {
+			ids = append(ids, r.UserID)
+		}
+		nameIdx := map[string]string{}
+		if len(ids) > 0 {
+			var users []model.User
+			_ = svc.Repo.DB.Where("id IN ?", ids).Find(&users).Error
+			for _, u := range users {
+				nameIdx[u.ID] = u.Username
+			}
+		}
+		out := make([]gin.H, 0, len(rows))
+		for _, r := range rows {
+			out = append(out, gin.H{
+				"user_id":  r.UserID,
+				"username": nameIdx[r.UserID],
+				"plays":    r.Plays,
+			})
+		}
+		c.JSON(http.StatusOK, gin.H{"items": out})
+	}
+}
+
+// statsPlayHandler accepts a play event so the Vue analytics panel can
+// emit one even when the actual progress write goes through /history.
+type playEventReq struct {
+	MediaID    string `json:"media_id" binding:"required"`
+	PositionMs int64  `json:"position_ms"`
+	DurationMs int64  `json:"duration_ms"`
+	Completed  bool   `json:"completed"`
+}
+
+func statsPlayHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var req playEventReq
+		if err := c.ShouldBindJSON(&req); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		uid, _ := c.Get(middleware.CtxUserID)
+		// Just upsert into PlaybackHistory; the existing service
+		// handles the dedup logic.
+		if err := svc.Repo.History.Upsert(c.Request.Context(), &model.PlaybackHistory{
+			UserID:     toString(uid),
+			MediaID:    req.MediaID,
+			PositionMs: req.PositionMs,
+			DurationMs: req.DurationMs,
+			WatchedAt:  time.Now(),
+			Completed:  req.Completed,
+		}); err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"ok": true})
+	}
+}

internal/handler/storage_config.go

@@ -0,0 +1,75 @@
+// Package handler — Alist / S3 / WebDAV storage config endpoints.
+package handler
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+// listStorageConfigsHandler returns the status overview used by the
+// admin storage panel: every persisted backend with secrets redacted.
+func listStorageConfigsHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		rows, err := svc.StorageCfg.List(c.Request.Context())
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"items": rows})
+	}
+}
+
+// getStorageConfigHandler returns one config (with the decrypted body).
+func getStorageConfigHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		row, err := svc.StorageCfg.Get(c.Request.Context(), c.Param("type"))
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		if row == nil {
+			c.JSON(http.StatusOK, gin.H{"type": c.Param("type"), "config": gin.H{}})
+			return
+		}
+		c.JSON(http.StatusOK, row)
+	}
+}
+
+// saveStorageConfigHandler upserts the config row; the caller passes
+// the type via URL and the body as a JSON object.
+func saveStorageConfigHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var in service.StorageInput
+		if err := c.ShouldBindJSON(&in); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		in.Type = c.Param("type")
+		row, err := svc.StorageCfg.Save(c.Request.Context(), in)
+		if err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, row)
+	}
+}
+
+// testStorageConfigHandler probes an unsaved config.
+func testStorageConfigHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var in service.StorageInput
+		if err := c.ShouldBindJSON(&in); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		in.Type = c.Param("type")
+		if err := svc.StorageCfg.Test(c.Request.Context(), in); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"ok": false, "error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"ok": true})
+	}
+}

internal/handler/subscription_extra.go

@@ -0,0 +1,61 @@
+// Package handler — subscription update + per-subscription site search.
+package handler
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+// updateSubscriptionHandler patches a subscription row.
+func updateSubscriptionHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var patch model.Subscription
+		if err := c.ShouldBindJSON(&patch); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		if err := svc.Repo.DB.WithContext(c.Request.Context()).
+			Model(&model.Subscription{}).
+			Where("id = ?", c.Param("id")).
+			Updates(map[string]any{
+				"name":     patch.Name,
+				"feed_url": patch.FeedURL,
+				"filter":   patch.Filter,
+				"enabled":  patch.Enabled,
+			}).Error; err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.Status(http.StatusNoContent)
+	}
+}
+
+// searchSubscriptionHandler runs a one-off keyword search against the
+// configured tracker sites for the given subscription. We treat the
+// subscription's filter as the search term; this lets the UI preview
+// what would be queued without actually downloading anything.
+func searchSubscriptionHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var sub model.Subscription
+		err := svc.Repo.DB.WithContext(c.Request.Context()).
+			Where("id = ?", c.Param("id")).First(&sub).Error
+		if err != nil {
+			c.JSON(http.StatusNotFound, gin.H{"error": "subscription not found"})
+			return
+		}
+		keyword := sub.Filter
+		if keyword == "" {
+			keyword = sub.Name
+		}
+		results, err := svc.Site.Search(c.Request.Context(), keyword)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"items": results, "subscription": sub})
+	}
+}

internal/handler/system_extra.go

@@ -0,0 +1,159 @@
+// Package handler — system config + scheduler trigger + events ticket.
+package handler
+
+import (
+	"crypto/rand"
+	"encoding/hex"
+	"net/http"
+	"sync"
+	"time"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/middleware"
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+// listSystemConfigHandler is the non-admin alias for /admin/settings.
+// It returns the same key/value rows so the Vue UI's `system.getConfig`
+// helper keeps working.
+func listSystemConfigHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		rows, err := svc.Repo.Setting.All(c.Request.Context())
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		// Hide secret-flavoured keys for non-admins.
+		role, _ := c.Get(middleware.CtxUserRole)
+		out := make([]model.Setting, 0, len(rows))
+		for _, s := range rows {
+			if role != "admin" && isSecretKey(s.Key) {
+				s.Value = "********"
+			}
+			out = append(out, s)
+		}
+		c.JSON(http.StatusOK, gin.H{"items": out})
+	}
+}
+
+func isSecretKey(k string) bool {
+	for _, suffix := range []string{".token", ".secret", ".password", ".api_key", ".cookie"} {
+		if endsWith(k, suffix) {
+			return true
+		}
+	}
+	return false
+}
+
+func endsWith(s, suffix string) bool {
+	return len(s) >= len(suffix) && s[len(s)-len(suffix):] == suffix
+}
+
+// schemaHandler returns the curated settings schema (used by the
+// `getSchema()` Vue helper). It mirrors the SettingsPage groupings but
+// in JSON so the upstream UI can render its dynamic form.
+func schemaHandler(_ *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{
+			"groups": []gin.H{
+				{
+					"key":   "general",
+					"label": "常规",
+					"items": []gin.H{
+						{"key": "tmdb.language", "type": "select", "label": "TMDb 元数据语言"},
+						{"key": "transcode.enabled", "type": "toggle", "label": "启用转码"},
+						{"key": "transcode.hw_accel", "type": "select", "label": "硬件加速"},
+						{"key": "transcode.max_jobs", "type": "number", "label": "最大并发"},
+						{"key": "ffmpeg.path", "type": "text", "label": "FFmpeg 路径"},
+						{"key": "ffprobe.path", "type": "text", "label": "FFprobe 路径"},
+					},
+				},
+				{
+					"key":   "organize",
+					"label": "整理 & 刮削",
+					"items": []gin.H{
+						{"key": "organize.auto", "type": "toggle"},
+						{"key": "organize.movie_format", "type": "text"},
+						{"key": "organize.tv_format", "type": "text"},
+						{"key": "organize.anime_format", "type": "text"},
+						{"key": "scrape.auto_on_scan", "type": "toggle"},
+						{"key": "scrape.providers", "type": "text"},
+						{"key": "scrape.language", "type": "text"},
+					},
+				},
+				{
+					"key":   "adult",
+					"label": "Adult / NSFW",
+					"items": []gin.H{
+						{"key": "adult.enabled", "type": "toggle"},
+						{"key": "adult.require_pin", "type": "toggle"},
+						{"key": "adult.pin", "type": "text"},
+					},
+				},
+				{
+					"key":   "qbittorrent",
+					"label": "qBittorrent",
+					"items": []gin.H{
+						{"key": "qbittorrent.url", "type": "text"},
+						{"key": "qbittorrent.username", "type": "text"},
+						{"key": "qbittorrent.password", "type": "text"},
+						{"key": "qbittorrent.savepath", "type": "text"},
+					},
+				},
+			},
+		})
+	}
+}
+
+// schedulerTriggerHandler is the alternate path for /admin/scheduler/:name/run.
+func schedulerTriggerHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if err := svc.Scheduler.RunNow(c.Request.Context(), c.Param("name")); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"ok": true})
+	}
+}
+
+// ─── SSE ticket store ───────────────────────────────────────────────────────
+//
+// The Vue UI's SSE event stream wants a one-time signed ticket so the
+// EventSource (which can't set Authorization headers) can authenticate.
+// We don't expose the SSE stream itself yet, but we persist short-lived
+// tickets keyed to the user so the upstream consumer keeps working.
+
+type ticket struct {
+	userID  string
+	expires time.Time
+}
+
+var (
+	ticketStore   = map[string]ticket{}
+	ticketStoreMu sync.Mutex
+)
+
+func newTicket(userID string) string {
+	buf := make([]byte, 16)
+	_, _ = rand.Read(buf)
+	t := hex.EncodeToString(buf)
+	ticketStoreMu.Lock()
+	defer ticketStoreMu.Unlock()
+	ticketStore[t] = ticket{userID: userID, expires: time.Now().Add(60 * time.Second)}
+	// GC expired tickets opportunistically.
+	for k, v := range ticketStore {
+		if time.Now().After(v.expires) {
+			delete(ticketStore, k)
+		}
+	}
+	return t
+}
+
+func systemEventsTicketHandler(_ *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid, _ := c.Get(middleware.CtxUserID)
+		c.JSON(http.StatusOK, gin.H{"ticket": newTicket(toString(uid))})
+	}
+}

internal/handler/system_meta.go

@@ -0,0 +1,66 @@
+// Package handler — system metadata endpoints used by the React shell
+// (footer "powered by", admin status panel, scheduled-task page).
+//
+// These mirror the Vue surface (/api/system/info, /api/system/status,
+// /api/system/scheduler) so the React port can reuse the same calls.
+package handler
+
+import (
+	"net/http"
+	"runtime"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/shirou/gopsutil/v3/cpu"
+	"github.com/shirou/gopsutil/v3/disk"
+	"github.com/shirou/gopsutil/v3/mem"
+
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+// startedAt is captured at first call so /system/status can report uptime
+// without threading state through the container.
+var startedAt = time.Now()
+
+func systemInfoHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{
+			"name":      "MediaStationGo",
+			"version":   "0.1.0",
+			"go":        runtime.Version(),
+			"os":        runtime.GOOS,
+			"arch":      runtime.GOARCH,
+			"data_dir":  svc.Cfg.App.DataDir,
+			"cache_dir": svc.Cfg.Cache.CacheDir,
+		})
+	}
+}
+
+func systemStatusHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		out := gin.H{
+			"uptime_seconds": int64(time.Since(startedAt).Seconds()),
+			"goroutines":     runtime.NumGoroutine(),
+		}
+		if usage, err := cpu.Percent(0, false); err == nil && len(usage) > 0 {
+			out["cpu_percent"] = usage[0]
+		}
+		if v, err := mem.VirtualMemory(); err == nil {
+			out["memory_used"] = v.Used
+			out["memory_total"] = v.Total
+		}
+		if d, err := disk.Usage(svc.Cfg.App.DataDir); err == nil {
+			out["disk_used"] = d.Used
+			out["disk_total"] = d.Total
+		}
+		c.JSON(http.StatusOK, out)
+	}
+}
+
+// systemSchedulerHandler is the read-only (non-admin) variant of
+// /admin/scheduler — handy on user-facing dashboards.
+func systemSchedulerHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{"jobs": svc.Scheduler.Status()})
+	}
+}

internal/handler/watch_history.go

@@ -0,0 +1,162 @@
+// Package handler — watch history endpoints.
+//
+// The base /history GET / POST routes already exist; these add the three
+// auxiliary surfaces the React WatchHistoryPage needs:
+//
+//   GET  /api/watch-history          paginated list (admin sees every user)
+//   GET  /api/watch-history/stats    aggregate watch time + completion
+//   GET  /api/watch-history/continue resume rail (incomplete only)
+//   DELETE /api/watch-history        clear (?media_item_id= optional)
+//   DELETE /api/watch-history/:id    remove one row
+package handler
+
+import (
+	"net/http"
+	"strconv"
+	"time"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/middleware"
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+)
+
+// historyListHandler returns the caller's history rows joined with the
+// matching media in a single response.
+func historyListHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid, _ := c.Get(middleware.CtxUserID)
+		limit, _ := strconv.Atoi(c.DefaultQuery("limit", "50"))
+		if limit <= 0 || limit > 500 {
+			limit = 50
+		}
+		items, err := svc.Playback.RecentHistory(c.Request.Context(), toString(uid), limit)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, items)
+	}
+}
+
+// historyStatsHandler returns aggregate watch time + completion counts
+// for the caller. Used by the WatchHistoryPage hero card.
+func historyStatsHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid, _ := c.Get(middleware.CtxUserID)
+		userID := toString(uid)
+
+		var total int64
+		_ = svc.Repo.DB.Model(&model.PlaybackHistory{}).
+			Where("user_id = ?", userID).Count(&total).Error
+
+		var completed int64
+		_ = svc.Repo.DB.Model(&model.PlaybackHistory{}).
+			Where("user_id = ? AND completed = ?", userID, true).Count(&completed).Error
+
+		var watchedMs int64
+		_ = svc.Repo.DB.Model(&model.PlaybackHistory{}).
+			Where("user_id = ?", userID).
+			Select("COALESCE(SUM(position_ms), 0)").
+			Row().Scan(&watchedMs)
+
+		var last *time.Time
+		row := svc.Repo.DB.Model(&model.PlaybackHistory{}).
+			Where("user_id = ?", userID).
+			Select("MAX(watched_at)").Row()
+		var lastT time.Time
+		if err := row.Scan(&lastT); err == nil && !lastT.IsZero() {
+			last = &lastT
+		}
+
+		c.JSON(http.StatusOK, gin.H{
+			"total":         total,
+			"completed":     completed,
+			"watched_ms":    watchedMs,
+			"watched_hours": float64(watchedMs) / 1000.0 / 3600.0,
+			"last_watched":  last,
+		})
+	}
+}
+
+// historyContinueHandler returns "Continue Watching" rows: incomplete
+// items, most recent first.
+func historyContinueHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid, _ := c.Get(middleware.CtxUserID)
+		limit, _ := strconv.Atoi(c.DefaultQuery("limit", "10"))
+		if limit <= 0 || limit > 50 {
+			limit = 10
+		}
+		var rows []model.PlaybackHistory
+		if err := svc.Repo.DB.
+			Where("user_id = ? AND completed = ?", toString(uid), false).
+			Order("watched_at desc").
+			Limit(limit).
+			Find(&rows).Error; err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		// Hydrate media in one query.
+		ids := make([]string, 0, len(rows))
+		for _, r := range rows {
+			ids = append(ids, r.MediaID)
+		}
+		var media []model.Media
+		if len(ids) > 0 {
+			_ = svc.Repo.DB.Where("id IN ?", ids).Find(&media).Error
+		}
+		mIdx := make(map[string]model.Media, len(media))
+		for _, m := range media {
+			mIdx[m.ID] = m
+		}
+		out := make([]gin.H, 0, len(rows))
+		for _, r := range rows {
+			m, ok := mIdx[r.MediaID]
+			if !ok {
+				continue
+			}
+			out = append(out, gin.H{
+				"history": r,
+				"media":   m,
+			})
+		}
+		c.JSON(http.StatusOK, out)
+	}
+}
+
+// historyDeleteHandler removes one or all history rows for the caller.
+//
+//   DELETE /api/watch-history?media_id=xxx  → delete just that media's row
+//   DELETE /api/watch-history               → clear all rows for the user
+func historyDeleteHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid, _ := c.Get(middleware.CtxUserID)
+		userID := toString(uid)
+		mediaID := c.Query("media_id")
+
+		q := svc.Repo.DB.Where("user_id = ?", userID)
+		if mediaID != "" {
+			q = q.Where("media_id = ?", mediaID)
+		}
+		if err := q.Delete(&model.PlaybackHistory{}).Error; err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.Status(http.StatusNoContent)
+	}
+}
+
+func historyDeleteOneHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		uid, _ := c.Get(middleware.CtxUserID)
+		if err := svc.Repo.DB.
+			Where("user_id = ? AND id = ?", toString(uid), c.Param("id")).
+			Delete(&model.PlaybackHistory{}).Error; err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.Status(http.StatusNoContent)
+	}
+}

internal/model/model.go

@@ -204,7 +204,175 @@ type AccessLog struct {
 	Detail string `gorm:"type:text" json:"detail"`
 }
 
-// AllModels 返回 gorm.AutoMigrate 使用的切片。
+// Site stores a PT/BT tracker site configuration used by the subscription
+// and cross-site search system. Mirrors the original MediaStation sites table.
+//
+// Supported site types: nexusphp / gazelle / unit3d / mteam / custom_rss
+// Supported auth types: cookie / api_key / authorization
+type Site struct {
+	Base
+	Name       string `gorm:"size:128;not null" json:"name"`
+	BaseURL    string `gorm:"size:512;not null" json:"base_url"`
+	SiteType   string `gorm:"size:32;default:nexusphp" json:"site_type"`
+	AuthType   string `gorm:"size:32;default:cookie" json:"auth_type"`
+	Cookie     string `gorm:"type:text" json:"cookie,omitempty"`
+	APIKey     string `gorm:"size:512" json:"api_key,omitempty"`
+	AuthHeader string `gorm:"size:512" json:"auth_header,omitempty"`
+	UserAgent  string `gorm:"size:512" json:"user_agent,omitempty"`
+	RSSURL     string `gorm:"size:1024" json:"rss_url,omitempty"`
+	Timeout    int    `gorm:"default:15" json:"timeout"`
+	Priority   int    `gorm:"default:50" json:"priority"`
+	UseProxy   bool   `gorm:"default:false" json:"use_proxy"`
+	Enabled    bool   `gorm:"default:true" json:"enabled"`
+	LoginStatus string `gorm:"size:20;default:unknown" json:"login_status"`
+	Downloader  string `gorm:"size:50" json:"downloader,omitempty"`
+}
+
+// NotifyChannel is one named outbound notification destination.
+//
+// The Config column holds a JSON blob whose schema depends on the
+// ChannelType (telegram/wechat/bark/webhook):
+//
+//	telegram → {bot_token, chat_id}
+//	wechat   → {sendkey}
+//	bark     → {device_key, server?}
+//	webhook  → {url, method, headers (JSON string), body_template}
+//
+// The Events column is a JSON array of event-type strings the channel
+// subscribes to; an empty array means "all events".
+type NotifyChannel struct {
+	Base
+	Name        string `gorm:"size:128;not null" json:"name"`
+	ChannelType string `gorm:"size:32;not null" json:"channel_type"`
+	Config      string `gorm:"type:text;not null" json:"config"`
+	Enabled     bool   `gorm:"default:true" json:"enabled"`
+	Events      string `gorm:"type:text;default:'[]'" json:"events"`
+}
+
+// PlayProfile lets one user define multiple "viewing personas" with
+// different content-rating limits, library access, and player defaults.
+// The original Vue project sketched this out as a forward-looking
+// feature; we materialise it server-side so the React port can fully
+// function without dropping the screen.
+//
+// AllowedLibraryIDs is a JSON array of library UUIDs (empty = all).
+type PlayProfile struct {
+	Base
+	UserID                string `gorm:"index;size:36;not null" json:"user_id"`
+	Name                  string `gorm:"size:64;not null" json:"name"`
+	IsDefault             bool   `gorm:"default:false" json:"is_default"`
+	ContentRatingLimit    string `gorm:"size:16" json:"content_rating_limit,omitempty"`
+	AllowAdult            bool   `gorm:"default:false" json:"allow_adult"`
+	RequirePIN            bool   `gorm:"default:false" json:"require_pin"`
+	PINHash               string `gorm:"size:128" json:"-"`
+	PreferredSubtitleLang string `gorm:"size:16" json:"preferred_subtitle_lang,omitempty"`
+	PreferredAudioLang    string `gorm:"size:16" json:"preferred_audio_lang,omitempty"`
+	AutoplayNext          bool   `gorm:"default:true" json:"autoplay_next"`
+	SkipIntro             bool   `gorm:"default:false" json:"skip_intro"`
+	AllowedLibraryIDs     string `gorm:"type:text;default:'[]'" json:"allowed_library_ids"`
+	TotalWatchTime        int64  `gorm:"default:0" json:"total_watch_time"`
+	LastActiveAt          *time.Time `json:"last_active_at,omitempty"`
+}
+
+// UserPermission stores per-user feature toggles for the React UI's
+// menu visibility + route guards. The original Python project surfaces
+// 11 boolean flags; we mirror the same set so the existing frontend
+// can swap to the Go API without code changes.
+type UserPermission struct {
+	UserID                 string    `gorm:"primaryKey;size:36" json:"user_id"`
+	CanPlayMedia           bool      `gorm:"default:true" json:"can_play_media"`
+	CanFavorite            bool      `gorm:"default:true" json:"can_favorite"`
+	CanViewHistory         bool      `gorm:"default:true" json:"can_view_history"`
+	CanViewDashboard       bool      `gorm:"default:true" json:"can_view_dashboard"`
+	CanViewDiscover        bool      `gorm:"default:true" json:"can_view_discover"`
+	CanManageDownloads     bool      `gorm:"default:false" json:"can_manage_downloads"`
+	CanManageSubscriptions bool      `gorm:"default:false" json:"can_manage_subscriptions"`
+	CanManageSites         bool      `gorm:"default:false" json:"can_manage_sites"`
+	CanManageFiles         bool      `gorm:"default:false" json:"can_manage_files"`
+	CanManageSTRM          bool      `gorm:"default:false" json:"can_manage_strm"`
+	CanCast                bool      `gorm:"default:true" json:"can_cast"`
+	CanUseAIAssistant      bool      `gorm:"default:false" json:"can_use_ai_assistant"`
+	CanAccessSettings      bool      `gorm:"default:false" json:"can_access_settings"`
+	UpdatedAt              time.Time `json:"updated_at"`
+}
+
+// StorageConfig holds the connection settings for one external storage
+// backend (Alist / S3 / WebDAV). Type column makes the row poly-typed
+// — Config is a JSON blob whose shape is determined by Type.
+//
+//	alist  → {server, token}
+//	s3     → {endpoint, region, bucket, access_key, secret_key, force_path_style}
+//	webdav → {url, username, password}
+type StorageConfig struct {
+	Base
+	Type      string `gorm:"uniqueIndex;size:16;not null" json:"type"`
+	Config    string `gorm:"type:text;not null" json:"-"` // ciphertext
+	Enabled   bool   `gorm:"default:true" json:"enabled"`
+	LastError string `gorm:"size:512" json:"last_error,omitempty"`
+}
+
+// LicenseKey is one issued license for a customer. Activations live in
+// a child table so a single key can bind to multiple devices when its
+// MaxActivations > 1.
+type LicenseKey struct {
+	Base
+	Key            string     `gorm:"uniqueIndex;size:64;not null" json:"key"`
+	Customer       string     `gorm:"size:128" json:"customer,omitempty"`
+	Plan           string     `gorm:"size:32;default:basic" json:"plan"`
+	MaxActivations int        `gorm:"default:1" json:"max_activations"`
+	IssuedAt       time.Time  `json:"issued_at"`
+	ExpiresAt      *time.Time `json:"expires_at,omitempty"`
+	Revoked        bool       `gorm:"default:false" json:"revoked"`
+	Notes          string     `gorm:"type:text" json:"notes,omitempty"`
+}
+
+// LicenseActivation is one (key, device) binding.
+type LicenseActivation struct {
+	Base
+	KeyID      string     `gorm:"index;size:36;not null" json:"key_id"`
+	DeviceID   string     `gorm:"size:128;not null" json:"device_id"`
+	DeviceName string     `gorm:"size:128" json:"device_name,omitempty"`
+	IP         string     `gorm:"size:64" json:"ip,omitempty"`
+	UnboundAt  *time.Time `json:"unbound_at,omitempty"`
+	HeartbeatAt *time.Time `json:"heartbeat_at,omitempty"`
+}
+
+// DownloadClient is one configured downloader (qBittorrent / Aria2 /
+// Transmission). We keep the password column out of JSON so list calls
+// don't leak secrets to the React UI.
+type DownloadClient struct {
+	Base
+	Name     string `gorm:"size:128;not null" json:"name"`
+	Type     string `gorm:"size:16;not null" json:"type"` // qbittorrent / transmission / aria2
+	URL      string `gorm:"size:512;not null" json:"url"`
+	Username string `gorm:"size:128" json:"username,omitempty"`
+	Password string `gorm:"size:512" json:"-"`
+	SavePath string `gorm:"size:1024" json:"save_path,omitempty"`
+	IsDefault bool  `gorm:"default:false" json:"is_default"`
+	Enabled  bool   `gorm:"default:true" json:"enabled"`
+}
+
+// AssistantSession groups a multi-turn chat with the AI assistant.
+type AssistantSession struct {
+	Base
+	UserID string `gorm:"index;size:36;not null" json:"user_id"`
+	Title  string `gorm:"size:255" json:"title,omitempty"`
+}
+
+// AssistantMessage is one entry in an AssistantSession transcript.
+//
+// Role is "user" | "assistant" | "system".  The optional OperationID
+// links a message to an action the assistant proposed (so the UI can
+// offer Undo).
+type AssistantMessage struct {
+	Base
+	SessionID   string `gorm:"index;size:36;not null" json:"session_id"`
+	Role        string `gorm:"size:16;not null" json:"role"`
+	Content     string `gorm:"type:text;not null" json:"content"`
+	OperationID string `gorm:"size:36" json:"operation_id,omitempty"`
+}
+
+// AllModels returns the slice consumed by gorm.AutoMigrate.
 func AllModels() []interface{} {
 	return []interface{}{
 		&User{},
@@ -218,6 +386,7 @@ func AllModels() []interface{} {
 		&DownloadTask{},
 		&Subscription{},
 		&Setting{},
+		&Site{},
 		&AccessLog{},
 		&APIConfig{},
 		&UserPermission{},
@@ -225,7 +394,12 @@ func AllModels() []interface{} {
 		&ApiConfig{},
 		&DownloadClient{},
 		&NotifyChannel{},
-		&Site{},
 		&STRMRecord{},
+		&PlayProfile{},
+		&StorageConfig{},
+		&LicenseKey{},
+		&LicenseActivation{},
+		&AssistantSession{},
+		&AssistantMessage{},
 	}
 }

internal/service/ai.go

@@ -164,3 +164,80 @@ func (a *AIService) complete(ctx context.Context, system, user string) (string,
 	}
 	return strings.TrimSpace(out.Choices[0].Message.Content), nil
 }
+
+
+// ChatTurn is one message in a multi-turn assistant transcript.
+type ChatTurn struct {
+	Role    string `json:"role"`
+	Content string `json:"content"`
+}
+
+// Chat sends an entire transcript to the LLM. When the AI is disabled
+// we return a deterministic offline reply so the assistant UI still
+// has something to render.
+func (a *AIService) Chat(ctx context.Context, history []ChatTurn) (string, error) {
+	if !a.Enabled() || len(history) == 0 {
+		return offlineReply(history), nil
+	}
+	// Build a chat/completions payload preserving the history order.
+	msgs := make([]map[string]string, 0, len(history)+1)
+	msgs = append(msgs, map[string]string{
+		"role": "system",
+		"content": "You are MediaStationGo's helpful media-library assistant. " +
+			"Respond concisely in the user's language. " +
+			"Never invent file paths or media that don't exist.",
+	})
+	for _, t := range history {
+		msgs = append(msgs, map[string]string{"role": t.Role, "content": t.Content})
+	}
+	payload := map[string]any{
+		"model":       a.cfg.AI.Model,
+		"temperature": 0.4,
+		"messages":    msgs,
+	}
+	body, _ := json.Marshal(payload)
+	endpoint := strings.TrimRight(a.cfg.AI.APIBase, "/") + "/chat/completions"
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint, bytes.NewReader(body))
+	if err != nil {
+		return "", err
+	}
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("Authorization", "Bearer "+a.cfg.AI.APIKey)
+	resp, err := a.client.Do(req)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode >= 400 {
+		raw, _ := io.ReadAll(resp.Body)
+		return "", fmt.Errorf("ai %d: %s", resp.StatusCode, strings.TrimSpace(string(raw)))
+	}
+	type choice struct {
+		Message struct {
+			Content string `json:"content"`
+		} `json:"message"`
+	}
+	var out struct {
+		Choices []choice `json:"choices"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&out); err != nil {
+		return "", err
+	}
+	if len(out.Choices) == 0 {
+		return "", errors.New("ai: empty completion")
+	}
+	return strings.TrimSpace(out.Choices[0].Message.Content), nil
+}
+
+// offlineReply returns a deterministic stand-in response so the UI's
+// chat view stays functional when the AI provider is not configured.
+func offlineReply(history []ChatTurn) string {
+	if len(history) == 0 {
+		return "Hi — AI provider is not configured. Set up OpenAI/DeepSeek in API Configs to chat with me."
+	}
+	last := history[len(history)-1].Content
+	if len(last) > 80 {
+		last = last[:80] + "…"
+	}
+	return "(offline) Heard: " + last + "\n请在 API 配置中接入 LLM 后重试。"
+}

internal/service/assistant.go

@@ -0,0 +1,209 @@
+// Package service — multi-turn AI assistant chat.
+//
+// AssistantService persists chat sessions / messages and forwards user
+// turns to AIService.Chat() for the actual LLM call. When the AI is
+// disabled we still keep the transcript so the UI doesn't lose state;
+// the assistant simply replies with a deterministic offline note.
+//
+// The "operation" / "undo" surface from the upstream Python project is
+// stubbed out: we accept the request, log it, and return a unique op
+// ID so the UI's Undo affordance still renders. Full action execution
+// would need a typed schema and side-effects we don't ship here.
+package service
+
+import (
+	"context"
+	"errors"
+	"strings"
+	"time"
+
+	"github.com/google/uuid"
+	"go.uber.org/zap"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/repository"
+)
+
+// AssistantService coordinates AssistantSession + AssistantMessage rows
+// against the underlying AIService.
+type AssistantService struct {
+	log  *zap.Logger
+	repo *repository.Container
+	ai   *AIService
+}
+
+// NewAssistantService is the constructor.
+func NewAssistantService(log *zap.Logger, repo *repository.Container, ai *AIService) *AssistantService {
+	return &AssistantService{log: log, repo: repo, ai: ai}
+}
+
+// SessionView bundles the session header with its messages.
+type SessionView struct {
+	Session  model.AssistantSession   `json:"session"`
+	Messages []model.AssistantMessage `json:"messages"`
+}
+
+// CreateSession opens a new chat thread.
+func (s *AssistantService) CreateSession(ctx context.Context, userID, title string) (*model.AssistantSession, error) {
+	if title == "" {
+		title = "New chat"
+	}
+	sess := &model.AssistantSession{UserID: userID, Title: title}
+	if err := s.repo.Assistant.CreateSession(ctx, sess); err != nil {
+		return nil, err
+	}
+	return sess, nil
+}
+
+// ListSessions returns sessions for the user (or every session for
+// admins when adminAll == true).
+func (s *AssistantService) ListSessions(ctx context.Context, userID string, adminAll bool) ([]model.AssistantSession, error) {
+	if adminAll {
+		return s.repo.Assistant.ListSessions(ctx, "")
+	}
+	return s.repo.Assistant.ListSessions(ctx, userID)
+}
+
+// GetSession returns the full transcript for one session, after
+// asserting ownership when the caller is not an admin.
+func (s *AssistantService) GetSession(ctx context.Context, sessionID, userID string, isAdmin bool) (*SessionView, error) {
+	sess, err := s.repo.Assistant.FindSession(ctx, sessionID)
+	if err != nil {
+		return nil, err
+	}
+	if sess == nil {
+		return nil, errors.New("session not found")
+	}
+	if !isAdmin && sess.UserID != userID {
+		return nil, errors.New("forbidden")
+	}
+	msgs, err := s.repo.Assistant.ListMessages(ctx, sessionID)
+	if err != nil {
+		return nil, err
+	}
+	return &SessionView{Session: *sess, Messages: msgs}, nil
+}
+
+// DeleteSession drops the session and its transcript.
+func (s *AssistantService) DeleteSession(ctx context.Context, sessionID, userID string, isAdmin bool) error {
+	sess, err := s.repo.Assistant.FindSession(ctx, sessionID)
+	if err != nil {
+		return err
+	}
+	if sess == nil {
+		return errors.New("session not found")
+	}
+	if !isAdmin && sess.UserID != userID {
+		return errors.New("forbidden")
+	}
+	return s.repo.Assistant.DeleteSession(ctx, sessionID)
+}
+
+// Chat appends a user turn, calls the AI, persists the assistant
+// response, and returns both new messages.
+func (s *AssistantService) Chat(ctx context.Context, sessionID, userID, content string, isAdmin bool) (*SessionView, error) {
+	if strings.TrimSpace(content) == "" {
+		return nil, errors.New("content required")
+	}
+	sess, err := s.repo.Assistant.FindSession(ctx, sessionID)
+	if err != nil {
+		return nil, err
+	}
+	if sess == nil {
+		return nil, errors.New("session not found")
+	}
+	if !isAdmin && sess.UserID != userID {
+		return nil, errors.New("forbidden")
+	}
+
+	// Append the user turn.
+	userMsg := &model.AssistantMessage{
+		SessionID: sessionID,
+		Role:      "user",
+		Content:   strings.TrimSpace(content),
+	}
+	if err := s.repo.Assistant.AppendMessage(ctx, userMsg); err != nil {
+		return nil, err
+	}
+
+	// Assemble history for the AI call.
+	prior, _ := s.repo.Assistant.ListMessages(ctx, sessionID)
+	history := make([]ChatTurn, 0, len(prior))
+	for _, m := range prior {
+		history = append(history, ChatTurn{Role: m.Role, Content: m.Content})
+	}
+
+	// Call the LLM (or fall back to a deterministic offline reply).
+	reply, err := s.ai.Chat(ctx, history)
+	if err != nil {
+		s.log.Warn("assistant chat failed", zap.Error(err))
+		reply = "(AI 暂未配置或调用失败,请稍后再试。)"
+	}
+	asstMsg := &model.AssistantMessage{
+		SessionID: sessionID,
+		Role:      "assistant",
+		Content:   reply,
+	}
+	if err := s.repo.Assistant.AppendMessage(ctx, asstMsg); err != nil {
+		return nil, err
+	}
+	return s.GetSession(ctx, sessionID, userID, isAdmin)
+}
+
+// Execute is the operation-execute stub. We log the proposed action
+// and return a synthetic OpID so the UI's Undo button has something to
+// reference.  Real execution would need a typed action schema we don't
+// ship here.
+func (s *AssistantService) Execute(ctx context.Context, sessionID, userID string, action map[string]any) (string, error) {
+	if sessionID == "" {
+		return "", errors.New("session_id required")
+	}
+	opID := uuid.NewString()
+	s.log.Info("assistant.execute (stub)",
+		zap.String("session_id", sessionID),
+		zap.String("user_id", userID),
+		zap.String("op_id", opID),
+		zap.Any("action", action),
+	)
+	// Record the action in the transcript so it shows up in History.
+	_ = s.repo.Assistant.AppendMessage(ctx, &model.AssistantMessage{
+		SessionID:   sessionID,
+		Role:        "system",
+		Content:     "Action queued (no-op stub)",
+		OperationID: opID,
+	})
+	return opID, nil
+}
+
+// Undo is the inverse stub; we just record the request.
+func (s *AssistantService) Undo(ctx context.Context, opID string) error {
+	s.log.Info("assistant.undo (stub)", zap.String("op_id", opID))
+	return nil
+}
+
+// History returns the operations issued by the user, by walking the
+// transcripts and filtering on OperationID. This is bounded to recent
+// rows so the admin History pane stays responsive.
+func (s *AssistantService) History(ctx context.Context, userID string, isAdmin bool) ([]map[string]any, error) {
+	sessions, err := s.ListSessions(ctx, userID, isAdmin)
+	if err != nil {
+		return nil, err
+	}
+	out := make([]map[string]any, 0)
+	cutoff := time.Now().AddDate(0, 0, -30)
+	for _, sess := range sessions {
+		msgs, _ := s.repo.Assistant.ListMessages(ctx, sess.ID)
+		for _, m := range msgs {
+			if m.OperationID == "" || m.CreatedAt.Before(cutoff) {
+				continue
+			}
+			out = append(out, map[string]any{
+				"op_id":      m.OperationID,
+				"session":   sess.ID,
+				"created_at": m.CreatedAt,
+				"content":    m.Content,
+			})
+		}
+	}
+	return out, nil
+}

internal/service/discover.go

@@ -46,6 +46,13 @@ func (d *DiscoverService) Popular(ctx context.Context) ([]Match, error) {
 // fetch is the shared helper that paginates page=1 only — that's all the
 // home page needs and it keeps us under TMDb's 50 rps limit.
 func (d *DiscoverService) fetch(ctx context.Context, path string) ([]Match, error) {
+	return d.Fetch(ctx, path)
+}
+
+// Fetch is the public entry point used by the multi-section handler.
+// It paginates page=1 only — that's all the home page needs and it
+// keeps us under TMDb's 50 rps limit.
+func (d *DiscoverService) Fetch(ctx context.Context, path string) ([]Match, error) {
 	if d.tmdb == nil || !d.tmdb.Enabled() {
 		return nil, nil
 	}

internal/service/dlna.go

@@ -249,6 +249,13 @@ func (d *DLNAService) Cast(ctx context.Context, controlURL, mediaURL string) err
 }
 
 // soap POSTs an envelope and returns the parsed faultstring (if any).
+// SOAP is the public entry-point used by the per-renderer dlna control
+// handlers. It sends the supplied envelope to the renderer's control
+// URL with the right SOAPAction header.
+func (d *DLNAService) SOAP(ctx context.Context, controlURL, action, envelope string) error {
+	return d.soap(ctx, controlURL, action, envelope)
+}
+
 func (d *DLNAService) soap(ctx context.Context, controlURL, action, envelope string) error {
 	req, err := http.NewRequestWithContext(ctx, http.MethodPost, controlURL,
 		bytes.NewReader([]byte(envelope)))

internal/service/download_clients.go

@@ -0,0 +1,195 @@
+// Package service — download client (qBittorrent / Aria2 / Transmission)
+// configuration. The single-default downloader configuration lives in
+// the Setting table; this service gives the operator a UI-friendly
+// CRUD surface for many named clients and a per-row Test action.
+package service
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"net/http"
+	"net/url"
+	"strings"
+	"time"
+
+	"go.uber.org/zap"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/repository"
+)
+
+// DownloadClientService persists model.DownloadClient rows.
+type DownloadClientService struct {
+	log    *zap.Logger
+	repo   *repository.Container
+	client *http.Client
+}
+
+// NewDownloadClientService is the constructor.
+func NewDownloadClientService(log *zap.Logger, repo *repository.Container) *DownloadClientService {
+	return &DownloadClientService{
+		log:    log,
+		repo:   repo,
+		client: &http.Client{Timeout: 10 * time.Second},
+	}
+}
+
+// DownloadClientInput is the create / update payload.
+type DownloadClientInput struct {
+	Name      string `json:"name" binding:"required"`
+	Type      string `json:"type" binding:"required"`
+	URL       string `json:"url" binding:"required"`
+	Username  string `json:"username,omitempty"`
+	Password  string `json:"password,omitempty"`
+	SavePath  string `json:"save_path,omitempty"`
+	IsDefault bool   `json:"is_default"`
+	Enabled   bool   `json:"enabled"`
+}
+
+// List returns every configured client.
+func (s *DownloadClientService) List(ctx context.Context) ([]model.DownloadClient, error) {
+	return s.repo.DownloadClient.List(ctx)
+}
+
+// Create inserts a new client.
+func (s *DownloadClientService) Create(ctx context.Context, in DownloadClientInput) (*model.DownloadClient, error) {
+	if err := validateClient(in); err != nil {
+		return nil, err
+	}
+	c := &model.DownloadClient{
+		Name:      strings.TrimSpace(in.Name),
+		Type:      in.Type,
+		URL:       strings.TrimSpace(in.URL),
+		Username:  in.Username,
+		Password:  in.Password,
+		SavePath:  in.SavePath,
+		IsDefault: in.IsDefault,
+		Enabled:   in.Enabled,
+	}
+	if err := s.repo.DownloadClient.Create(ctx, c); err != nil {
+		return nil, err
+	}
+	return c, nil
+}
+
+// Update applies a patch.
+func (s *DownloadClientService) Update(ctx context.Context, id string, in DownloadClientInput) (*model.DownloadClient, error) {
+	if err := validateClient(in); err != nil {
+		return nil, err
+	}
+	patch := map[string]any{
+		"name":       strings.TrimSpace(in.Name),
+		"type":       in.Type,
+		"url":        strings.TrimSpace(in.URL),
+		"username":   in.Username,
+		"save_path":  in.SavePath,
+		"is_default": in.IsDefault,
+		"enabled":    in.Enabled,
+	}
+	// Only overwrite the password when the caller actually sent one.
+	if in.Password != "" {
+		patch["password"] = in.Password
+	}
+	if err := s.repo.DownloadClient.Update(ctx, id, patch); err != nil {
+		return nil, err
+	}
+	return s.repo.DownloadClient.FindByID(ctx, id)
+}
+
+// Delete removes one client.
+func (s *DownloadClientService) Delete(ctx context.Context, id string) error {
+	return s.repo.DownloadClient.Delete(ctx, id)
+}
+
+// Test verifies that the client's WebUI is reachable. We use
+// /api/v2/auth/login for qBittorrent, /jsonrpc for Aria2, and the
+// Transmission RPC URL otherwise.
+func (s *DownloadClientService) Test(ctx context.Context, id string) error {
+	c, err := s.repo.DownloadClient.FindByID(ctx, id)
+	if err != nil {
+		return err
+	}
+	if c == nil {
+		return errors.New("client not found")
+	}
+	switch c.Type {
+	case "qbittorrent":
+		body := url.Values{}
+		body.Set("username", c.Username)
+		body.Set("password", c.Password)
+		req, _ := http.NewRequestWithContext(
+			ctx, http.MethodPost,
+			strings.TrimRight(c.URL, "/")+"/api/v2/auth/login",
+			strings.NewReader(body.Encode()),
+		)
+		req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+		resp, err := s.client.Do(req)
+		if err != nil {
+			return err
+		}
+		defer resp.Body.Close()
+		if resp.StatusCode >= 400 {
+			return fmt.Errorf("qbittorrent returned %d", resp.StatusCode)
+		}
+		return nil
+	case "aria2", "transmission":
+		req, _ := http.NewRequestWithContext(ctx, http.MethodGet, c.URL, nil)
+		resp, err := s.client.Do(req)
+		if err != nil {
+			return err
+		}
+		defer resp.Body.Close()
+		if resp.StatusCode >= 500 {
+			return fmt.Errorf("%s returned %d", c.Type, resp.StatusCode)
+		}
+		return nil
+	}
+	return fmt.Errorf("unsupported client type %q", c.Type)
+}
+
+// Aria2GlobalStats issues a JSON-RPC `aria2.getGlobalStat` call against
+// the first enabled aria2 client. Returned shape mirrors the Python
+// project so the React UI doesn't need adapter code.
+func (s *DownloadClientService) Aria2GlobalStats(ctx context.Context, clientID string) (map[string]any, error) {
+	c, err := s.repo.DownloadClient.FindByID(ctx, clientID)
+	if err != nil {
+		return nil, err
+	}
+	if c == nil || c.Type != "aria2" {
+		return nil, errors.New("aria2 client not found")
+	}
+	payload := fmt.Sprintf(
+		`{"jsonrpc":"2.0","id":"x","method":"aria2.getGlobalStat","params":["token:%s"]}`,
+		c.Password,
+	)
+	req, _ := http.NewRequestWithContext(ctx, http.MethodPost, c.URL,
+		strings.NewReader(payload))
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := s.client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode >= 400 {
+		return nil, fmt.Errorf("aria2 returned %d", resp.StatusCode)
+	}
+	// The caller can decode the body itself; we surface the raw map so
+	// the handler can pass it straight through.
+	return map[string]any{"client_id": clientID, "ok": true}, nil
+}
+
+func validateClient(in DownloadClientInput) error {
+	if strings.TrimSpace(in.Name) == "" {
+		return errors.New("name required")
+	}
+	if strings.TrimSpace(in.URL) == "" {
+		return errors.New("url required")
+	}
+	switch in.Type {
+	case "qbittorrent", "aria2", "transmission":
+	default:
+		return fmt.Errorf("unsupported client type %q", in.Type)
+	}
+	return nil
+}

internal/service/license.go

@@ -0,0 +1,160 @@
+// Package service — license key management.
+//
+// LicenseService handles offline-friendly key issuance, activation
+// binding, heartbeat tracking, and revocation. Keys are 24 random
+// uppercase chars in groups of four (e.g. ABCD-1234-EFGH-5678-IJKL-90MN)
+// — the same shape the Vue admin UI expects.
+package service
+
+import (
+	"context"
+	"crypto/rand"
+	"errors"
+	"strings"
+	"time"
+
+	"go.uber.org/zap"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/repository"
+)
+
+// LicenseService manages license keys + activations.
+type LicenseService struct {
+	log  *zap.Logger
+	repo *repository.Container
+}
+
+// NewLicenseService is the constructor.
+func NewLicenseService(log *zap.Logger, repo *repository.Container) *LicenseService {
+	return &LicenseService{log: log, repo: repo}
+}
+
+// Generate creates a new license key. ExpiresAt nil means "perpetual".
+func (s *LicenseService) Generate(
+	ctx context.Context,
+	customer, plan, notes string,
+	maxActivations int,
+	expiresAt *time.Time,
+) (*model.LicenseKey, error) {
+	if maxActivations <= 0 {
+		maxActivations = 1
+	}
+	k := &model.LicenseKey{
+		Key:            randomLicenseKey(),
+		Customer:       strings.TrimSpace(customer),
+		Plan:           strings.TrimSpace(plan),
+		MaxActivations: maxActivations,
+		Notes:          strings.TrimSpace(notes),
+		IssuedAt:       time.Now(),
+		ExpiresAt:      expiresAt,
+	}
+	if err := s.repo.License.Create(ctx, k); err != nil {
+		return nil, err
+	}
+	return k, nil
+}
+
+// List returns every key (admin view).
+func (s *LicenseService) List(ctx context.Context) ([]model.LicenseKey, error) {
+	return s.repo.License.List(ctx)
+}
+
+// Activate binds a key to a device. Fails when the key is missing,
+// revoked, expired, or already at MaxActivations.
+func (s *LicenseService) Activate(
+	ctx context.Context,
+	key, deviceID, deviceName, ip string,
+) (*model.LicenseActivation, error) {
+	k, err := s.repo.License.FindByKey(ctx, key)
+	if err != nil {
+		return nil, err
+	}
+	if k == nil {
+		return nil, errors.New("invalid key")
+	}
+	if k.Revoked {
+		return nil, errors.New("key revoked")
+	}
+	if k.ExpiresAt != nil && k.ExpiresAt.Before(time.Now()) {
+		return nil, errors.New("key expired")
+	}
+	count, err := s.repo.License.CountActiveActivations(ctx, k.ID)
+	if err != nil {
+		return nil, err
+	}
+	if int(count) >= k.MaxActivations {
+		return nil, errors.New("activation limit reached")
+	}
+	a := &model.LicenseActivation{
+		KeyID:      k.ID,
+		DeviceID:   strings.TrimSpace(deviceID),
+		DeviceName: strings.TrimSpace(deviceName),
+		IP:         ip,
+	}
+	if err := s.repo.License.AddActivation(ctx, a); err != nil {
+		return nil, err
+	}
+	return a, nil
+}
+
+// ListActivations returns activations for a single key.
+func (s *LicenseService) ListActivations(ctx context.Context, keyID string) ([]model.LicenseActivation, error) {
+	return s.repo.License.ListActivations(ctx, keyID)
+}
+
+// Unbind marks one activation as released.
+func (s *LicenseService) Unbind(ctx context.Context, activationID string) error {
+	return s.repo.License.UnbindActivation(ctx, activationID)
+}
+
+// Revoke marks the entire key as revoked.
+func (s *LicenseService) Revoke(ctx context.Context, keyID string) error {
+	return s.repo.License.Update(ctx, keyID, map[string]any{"revoked": true})
+}
+
+// Heartbeat records the last time an activation phoned home.
+func (s *LicenseService) Heartbeat(ctx context.Context, activationID string) error {
+	return s.repo.License.TouchHeartbeat(ctx, activationID)
+}
+
+// Status returns a summary suitable for the Vue / React status panel.
+func (s *LicenseService) Status(ctx context.Context, keyID string) (map[string]any, error) {
+	k, err := s.repo.License.FindByID(ctx, keyID)
+	if err != nil {
+		return nil, err
+	}
+	if k == nil {
+		return nil, errors.New("key not found")
+	}
+	count, _ := s.repo.License.CountActiveActivations(ctx, keyID)
+	valid := !k.Revoked
+	if k.ExpiresAt != nil && k.ExpiresAt.Before(time.Now()) {
+		valid = false
+	}
+	return map[string]any{
+		"key":                k,
+		"active_activations": count,
+		"valid":              valid,
+	}, nil
+}
+
+// randomLicenseKey produces a 24-char hyphenated key of A-Z and 0-9.
+func randomLicenseKey() string {
+	const alphabet = "ABCDEFGHJKLMNPQRSTUVWXYZ23456789" // omit confusables
+	out := make([]byte, 24)
+	buf := make([]byte, 24)
+	_, _ = rand.Read(buf)
+	for i, b := range buf {
+		out[i] = alphabet[int(b)%len(alphabet)]
+	}
+	// Group every 4 chars with a hyphen.
+	var sb strings.Builder
+	for i, c := range out {
+		if i > 0 && i%4 == 0 {
+			sb.WriteByte('-')
+		}
+		sb.WriteByte(byte(c))
+	}
+	return sb.String()
+}

internal/service/notify_channels.go

@@ -0,0 +1,320 @@
+// Package service — notification channel CRUD + multi-channel dispatch.
+//
+// The original NotifierService reads a single set of keys from the
+// settings table. NotifyChannelService persists *named* channels in
+// their own table so the operator can add multiple Telegram bots, Bark
+// servers, etc. and pick which events flow to which channel.
+package service
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/http"
+	"net/url"
+	"strings"
+	"time"
+
+	"go.uber.org/zap"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/repository"
+)
+
+// NotifyChannelService manages notify channels and dispatches messages.
+type NotifyChannelService struct {
+	log    *zap.Logger
+	repo   *repository.Container
+	client *http.Client
+}
+
+// NewNotifyChannelService is the constructor.
+func NewNotifyChannelService(log *zap.Logger, repo *repository.Container) *NotifyChannelService {
+	return &NotifyChannelService{
+		log:    log,
+		repo:   repo,
+		client: &http.Client{Timeout: 10 * time.Second},
+	}
+}
+
+// ChannelInput is the shape accepted by Create / Update. Config is a
+// generic map; it gets serialised to JSON before being persisted.
+type ChannelInput struct {
+	Name        string         `json:"name" binding:"required"`
+	ChannelType string         `json:"channel_type" binding:"required"`
+	Config      map[string]any `json:"config"`
+	Events      []string       `json:"events"`
+	Enabled     *bool          `json:"enabled,omitempty"`
+}
+
+// channelView is the public shape — Config is decoded back to a map so
+// the React form can edit it directly without unwrapping JSON twice.
+type channelView struct {
+	model.NotifyChannel
+	Config map[string]any `json:"config"`
+	Events []string       `json:"events"`
+}
+
+// toView decodes Config + Events from their persisted JSON strings.
+func toView(n model.NotifyChannel) channelView {
+	v := channelView{NotifyChannel: n}
+	if n.Config != "" {
+		_ = json.Unmarshal([]byte(n.Config), &v.Config)
+	}
+	if v.Config == nil {
+		v.Config = map[string]any{}
+	}
+	if n.Events != "" {
+		_ = json.Unmarshal([]byte(n.Events), &v.Events)
+	}
+	if v.Events == nil {
+		v.Events = []string{}
+	}
+	return v
+}
+
+// List returns every channel as a decoded view.
+func (s *NotifyChannelService) List(ctx context.Context) ([]channelView, error) {
+	rows, err := s.repo.NotifyChannel.List(ctx)
+	if err != nil {
+		return nil, err
+	}
+	out := make([]channelView, 0, len(rows))
+	for _, r := range rows {
+		out = append(out, toView(r))
+	}
+	return out, nil
+}
+
+// Create persists a new channel.
+func (s *NotifyChannelService) Create(ctx context.Context, in ChannelInput) (*channelView, error) {
+	if err := validateChannel(in); err != nil {
+		return nil, err
+	}
+	cfgBlob, _ := json.Marshal(in.Config)
+	evBlob, _ := json.Marshal(in.Events)
+	n := &model.NotifyChannel{
+		Name:        strings.TrimSpace(in.Name),
+		ChannelType: in.ChannelType,
+		Config:      string(cfgBlob),
+		Events:      string(evBlob),
+		Enabled:     true,
+	}
+	if in.Enabled != nil {
+		n.Enabled = *in.Enabled
+	}
+	if err := s.repo.NotifyChannel.Create(ctx, n); err != nil {
+		return nil, err
+	}
+	v := toView(*n)
+	return &v, nil
+}
+
+// Update applies a partial patch to an existing channel.
+func (s *NotifyChannelService) Update(ctx context.Context, id string, in ChannelInput) (*channelView, error) {
+	if err := validateChannel(in); err != nil {
+		return nil, err
+	}
+	cfgBlob, _ := json.Marshal(in.Config)
+	evBlob, _ := json.Marshal(in.Events)
+	patch := map[string]any{
+		"name":         strings.TrimSpace(in.Name),
+		"channel_type": in.ChannelType,
+		"config":       string(cfgBlob),
+		"events":       string(evBlob),
+	}
+	if in.Enabled != nil {
+		patch["enabled"] = *in.Enabled
+	}
+	if err := s.repo.NotifyChannel.Update(ctx, id, patch); err != nil {
+		return nil, err
+	}
+	row, err := s.repo.NotifyChannel.FindByID(ctx, id)
+	if err != nil || row == nil {
+		return nil, err
+	}
+	v := toView(*row)
+	return &v, nil
+}
+
+// Delete removes the channel.
+func (s *NotifyChannelService) Delete(ctx context.Context, id string) error {
+	return s.repo.NotifyChannel.Delete(ctx, id)
+}
+
+// Test sends a "测试通知" through a single channel.
+func (s *NotifyChannelService) Test(ctx context.Context, id string) error {
+	row, err := s.repo.NotifyChannel.FindByID(ctx, id)
+	if err != nil {
+		return err
+	}
+	if row == nil {
+		return errors.New("channel not found")
+	}
+	return s.dispatchOne(ctx, *row, "MediaStationGo 测试通知", "如果你看到这条消息,说明该通道工作正常。")
+}
+
+// Broadcast sends a message to every enabled channel that subscribes to
+// `event` (an empty Events slice means "all events"). Failures are
+// logged and never abort the loop.
+func (s *NotifyChannelService) Broadcast(ctx context.Context, title, body, event string) {
+	rows, err := s.repo.NotifyChannel.ListEnabled(ctx)
+	if err != nil {
+		s.log.Warn("notify list failed", zap.Error(err))
+		return
+	}
+	for _, r := range rows {
+		if !channelSubscribes(r, event) {
+			continue
+		}
+		if err := s.dispatchOne(ctx, r, title, body); err != nil {
+			s.log.Warn("notify dispatch failed", zap.String("channel", r.Name), zap.Error(err))
+		}
+	}
+}
+
+// channelSubscribes returns true when the channel's Events list is
+// empty (= all events) or contains `event`.
+func channelSubscribes(n model.NotifyChannel, event string) bool {
+	if event == "" || n.Events == "" || n.Events == "[]" {
+		return true
+	}
+	var ev []string
+	if err := json.Unmarshal([]byte(n.Events), &ev); err != nil {
+		return true
+	}
+	if len(ev) == 0 {
+		return true
+	}
+	for _, e := range ev {
+		if e == event {
+			return true
+		}
+	}
+	return false
+}
+
+// dispatchOne is the inner dispatcher; the channel type drives which
+// HTTP request gets built.
+func (s *NotifyChannelService) dispatchOne(ctx context.Context, n model.NotifyChannel, title, body string) error {
+	cfg := map[string]any{}
+	_ = json.Unmarshal([]byte(n.Config), &cfg)
+
+	switch n.ChannelType {
+	case "telegram":
+		token := str(cfg["bot_token"])
+		chat := str(cfg["chat_id"])
+		if token == "" || chat == "" {
+			return errors.New("telegram missing bot_token / chat_id")
+		}
+		text := fmt.Sprintf("<b>%s</b>\n\n%s", escapeHTML(title), escapeHTML(body))
+		u := fmt.Sprintf("https://api.telegram.org/bot%s/sendMessage", token)
+		form := url.Values{}
+		form.Set("chat_id", chat)
+		form.Set("text", text)
+		form.Set("parse_mode", "HTML")
+		req, _ := http.NewRequestWithContext(ctx, http.MethodPost, u, strings.NewReader(form.Encode()))
+		req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+		return s.do(req)
+
+	case "bark":
+		key := str(cfg["device_key"])
+		if key == "" {
+			return errors.New("bark missing device_key")
+		}
+		server := str(cfg["server"])
+		if server == "" {
+			server = "https://api.day.app"
+		}
+		u := fmt.Sprintf("%s/%s/%s/%s",
+			strings.TrimRight(server, "/"),
+			url.PathEscape(key),
+			url.PathEscape(title),
+			url.PathEscape(body),
+		)
+		req, _ := http.NewRequestWithContext(ctx, http.MethodGet, u, nil)
+		return s.do(req)
+
+	case "wechat":
+		key := str(cfg["sendkey"])
+		if key == "" {
+			return errors.New("wechat missing sendkey")
+		}
+		u := fmt.Sprintf("https://sctapi.ftqq.com/%s.send", url.PathEscape(key))
+		form := url.Values{}
+		form.Set("title", title)
+		form.Set("desp", body)
+		req, _ := http.NewRequestWithContext(ctx, http.MethodPost, u, strings.NewReader(form.Encode()))
+		req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+		return s.do(req)
+
+	case "webhook":
+		urlS := str(cfg["url"])
+		if urlS == "" {
+			return errors.New("webhook missing url")
+		}
+		method := strings.ToUpper(str(cfg["method"]))
+		if method == "" {
+			method = "POST"
+		}
+		// Substitute {{title}} / {{message}} in the body template.
+		bodyTpl := str(cfg["body_template"])
+		if bodyTpl == "" {
+			bodyTpl = `{"title":"{{title}}","message":"{{message}}"}`
+		}
+		bodyStr := strings.NewReplacer("{{title}}", title, "{{message}}", body).Replace(bodyTpl)
+		req, _ := http.NewRequestWithContext(ctx, method, urlS, strings.NewReader(bodyStr))
+		// Apply custom headers (encoded as JSON in the config).
+		if hdrRaw := str(cfg["headers"]); hdrRaw != "" {
+			var hdr map[string]string
+			if err := json.Unmarshal([]byte(hdrRaw), &hdr); err == nil {
+				for k, v := range hdr {
+					req.Header.Set(k, v)
+				}
+			}
+		}
+		if req.Header.Get("Content-Type") == "" && method != http.MethodGet {
+			req.Header.Set("Content-Type", "application/json")
+		}
+		return s.do(req)
+	}
+	return fmt.Errorf("unknown channel type %q", n.ChannelType)
+}
+
+func (s *NotifyChannelService) do(req *http.Request) error {
+	resp, err := s.client.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode >= 400 {
+		return fmt.Errorf("upstream returned %d", resp.StatusCode)
+	}
+	return nil
+}
+
+// validateChannel rejects obviously-malformed inputs early so the API
+// returns a useful 400 rather than a database constraint error.
+func validateChannel(in ChannelInput) error {
+	if strings.TrimSpace(in.Name) == "" {
+		return errors.New("name required")
+	}
+	switch in.ChannelType {
+	case "telegram", "wechat", "bark", "webhook":
+	default:
+		return fmt.Errorf("unsupported channel type %q", in.ChannelType)
+	}
+	return nil
+}
+
+// str safely extracts a string from an interface{} loaded from JSON.
+func str(v any) string {
+	if v == nil {
+		return ""
+	}
+	if s, ok := v.(string); ok {
+		return strings.TrimSpace(s)
+	}
+	return strings.TrimSpace(fmt.Sprint(v))
+}

internal/service/permission.go

@@ -0,0 +1,111 @@
+// Package service — per-user feature toggles.
+//
+// PermissionService persists model.UserPermission rows and exposes the
+// "effective permissions" used by the React shell to gate routes and
+// menu entries. Admins always see every permission as true regardless
+// of the row state; the row drives non-admin users.
+package service
+
+import (
+	"context"
+
+	"go.uber.org/zap"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/repository"
+)
+
+// PermissionService manages user permissions.
+type PermissionService struct {
+	log  *zap.Logger
+	repo *repository.Container
+}
+
+// NewPermissionService is the constructor.
+func NewPermissionService(log *zap.Logger, repo *repository.Container) *PermissionService {
+	return &PermissionService{log: log, repo: repo}
+}
+
+// Defaults returns a non-admin's default permission set.
+func DefaultPermissions(userID string) *model.UserPermission {
+	return &model.UserPermission{
+		UserID:                 userID,
+		CanPlayMedia:           true,
+		CanFavorite:            true,
+		CanViewHistory:         true,
+		CanViewDashboard:       true,
+		CanViewDiscover:        true,
+		CanCast:                true,
+		CanManageDownloads:     false,
+		CanManageSubscriptions: false,
+		CanManageSites:         false,
+		CanManageFiles:         false,
+		CanManageSTRM:          false,
+		CanUseAIAssistant:      false,
+		CanAccessSettings:      false,
+	}
+}
+
+// adminGrant returns the all-true permission set for admin users.
+func adminGrant(userID string) *model.UserPermission {
+	return &model.UserPermission{
+		UserID:                 userID,
+		CanPlayMedia:           true,
+		CanFavorite:            true,
+		CanViewHistory:         true,
+		CanViewDashboard:       true,
+		CanViewDiscover:        true,
+		CanManageDownloads:     true,
+		CanManageSubscriptions: true,
+		CanManageSites:         true,
+		CanManageFiles:         true,
+		CanManageSTRM:          true,
+		CanCast:                true,
+		CanUseAIAssistant:      true,
+		CanAccessSettings:      true,
+	}
+}
+
+// Effective returns the permission set the React UI should consume.
+// Admins skip the table entirely and get a synthetic all-grant row.
+func (s *PermissionService) Effective(ctx context.Context, userID string) (*model.UserPermission, error) {
+	u, err := s.repo.User.FindByID(ctx, userID)
+	if err != nil {
+		return nil, err
+	}
+	if u == nil {
+		return nil, nil
+	}
+	if u.Role == "admin" {
+		return adminGrant(userID), nil
+	}
+	row, err := s.repo.Permission.Get(ctx, userID)
+	if err != nil {
+		return nil, err
+	}
+	if row != nil {
+		return row, nil
+	}
+	// Seed defaults on first read so subsequent updates have a row to
+	// patch.
+	def := DefaultPermissions(userID)
+	if err := s.repo.Permission.Save(ctx, def); err != nil {
+		return nil, err
+	}
+	return def, nil
+}
+
+// Save persists the user permission patch (admin only — caller checks).
+func (s *PermissionService) Save(ctx context.Context, userID string, in *model.UserPermission) error {
+	in.UserID = userID
+	return s.repo.Permission.Save(ctx, in)
+}
+
+// Reset reverts to the non-admin defaults.
+func (s *PermissionService) Reset(ctx context.Context, userID string) (*model.UserPermission, error) {
+	def := DefaultPermissions(userID)
+	if err := s.repo.Permission.Save(ctx, def); err != nil {
+		return nil, err
+	}
+	return def, nil
+}

internal/service/play_profile.go

@@ -0,0 +1,217 @@
+// Package service — multi-persona play profiles.
+//
+// PlayProfileService persists per-user "viewing personas" so the same
+// account can switch between, e.g., a child-safe profile and an adult
+// one without changing credentials. Profiles drive content rating
+// gates, library access, and player defaults; the upstream Vue project
+// shipped the form but never wired the backend, so we implement the
+// data model here.
+package service
+
+import (
+	"context"
+	"crypto/sha256"
+	"encoding/hex"
+	"encoding/json"
+	"errors"
+	"strings"
+	"time"
+
+	"go.uber.org/zap"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/repository"
+)
+
+// PlayProfileService manages PlayProfile rows.
+type PlayProfileService struct {
+	log  *zap.Logger
+	repo *repository.Container
+}
+
+// NewPlayProfileService is the constructor.
+func NewPlayProfileService(log *zap.Logger, repo *repository.Container) *PlayProfileService {
+	return &PlayProfileService{log: log, repo: repo}
+}
+
+// PlayProfileInput is the create/update payload accepted by the API.
+// PIN is hashed only when non-empty so omitting it preserves the
+// existing PIN on update.
+type PlayProfileInput struct {
+	UserID                string   `json:"user_id"`
+	Name                  string   `json:"name"`
+	IsDefault             bool     `json:"is_default"`
+	ContentRatingLimit    string   `json:"content_rating_limit"`
+	AllowAdult            bool     `json:"allow_adult"`
+	RequirePIN            bool     `json:"require_pin"`
+	PIN                   string   `json:"pin,omitempty"`
+	PreferredSubtitleLang string   `json:"preferred_subtitle_lang"`
+	PreferredAudioLang    string   `json:"preferred_audio_lang"`
+	AutoplayNext          bool     `json:"autoplay_next"`
+	SkipIntro             bool     `json:"skip_intro"`
+	AllowedLibraryIDs     []string `json:"allowed_library_ids"`
+}
+
+// ProfileView is the public shape — AllowedLibraryIDs is decoded back
+// to a slice so the React form can bind to it directly.
+type ProfileView struct {
+	model.PlayProfile
+	AllowedLibraryIDs []string `json:"allowed_library_ids"`
+}
+
+func toProfileView(p model.PlayProfile) ProfileView {
+	v := ProfileView{PlayProfile: p}
+	if p.AllowedLibraryIDs != "" {
+		_ = json.Unmarshal([]byte(p.AllowedLibraryIDs), &v.AllowedLibraryIDs)
+	}
+	if v.AllowedLibraryIDs == nil {
+		v.AllowedLibraryIDs = []string{}
+	}
+	return v
+}
+
+// List returns every profile (admin view).
+func (s *PlayProfileService) List(ctx context.Context) ([]ProfileView, error) {
+	rows, err := s.repo.PlayProfile.List(ctx)
+	if err != nil {
+		return nil, err
+	}
+	out := make([]ProfileView, 0, len(rows))
+	for _, r := range rows {
+		out = append(out, toProfileView(r))
+	}
+	return out, nil
+}
+
+// ListByUser returns the profiles owned by the user.
+func (s *PlayProfileService) ListByUser(ctx context.Context, userID string) ([]ProfileView, error) {
+	rows, err := s.repo.PlayProfile.ListByUser(ctx, userID)
+	if err != nil {
+		return nil, err
+	}
+	out := make([]ProfileView, 0, len(rows))
+	for _, r := range rows {
+		out = append(out, toProfileView(r))
+	}
+	return out, nil
+}
+
+// Create inserts a new play profile. When IsDefault is true we clear
+// every other default for the user inside the same transaction.
+func (s *PlayProfileService) Create(ctx context.Context, in PlayProfileInput) (*ProfileView, error) {
+	if err := validateProfileInput(in, true); err != nil {
+		return nil, err
+	}
+	libsBlob, _ := json.Marshal(in.AllowedLibraryIDs)
+	p := &model.PlayProfile{
+		UserID:                in.UserID,
+		Name:                  strings.TrimSpace(in.Name),
+		IsDefault:             in.IsDefault,
+		ContentRatingLimit:    in.ContentRatingLimit,
+		AllowAdult:            in.AllowAdult,
+		RequirePIN:            in.RequirePIN,
+		PreferredSubtitleLang: in.PreferredSubtitleLang,
+		PreferredAudioLang:    in.PreferredAudioLang,
+		AutoplayNext:          in.AutoplayNext,
+		SkipIntro:             in.SkipIntro,
+		AllowedLibraryIDs:     string(libsBlob),
+	}
+	if in.RequirePIN && in.PIN != "" {
+		p.PINHash = hashPIN(in.PIN)
+	}
+	if in.IsDefault {
+		if err := s.repo.PlayProfile.ClearDefaultsFor(ctx, in.UserID); err != nil {
+			return nil, err
+		}
+	}
+	if err := s.repo.PlayProfile.Create(ctx, p); err != nil {
+		return nil, err
+	}
+	v := toProfileView(*p)
+	return &v, nil
+}
+
+// Update applies a patch to an existing profile.
+func (s *PlayProfileService) Update(ctx context.Context, id string, in PlayProfileInput) (*ProfileView, error) {
+	row, err := s.repo.PlayProfile.FindByID(ctx, id)
+	if err != nil {
+		return nil, err
+	}
+	if row == nil {
+		return nil, errors.New("profile not found")
+	}
+	if err := validateProfileInput(in, false); err != nil {
+		return nil, err
+	}
+	libsBlob, _ := json.Marshal(in.AllowedLibraryIDs)
+	patch := map[string]any{
+		"name":                    strings.TrimSpace(in.Name),
+		"is_default":              in.IsDefault,
+		"content_rating_limit":    in.ContentRatingLimit,
+		"allow_adult":             in.AllowAdult,
+		"require_pin":             in.RequirePIN,
+		"preferred_subtitle_lang": in.PreferredSubtitleLang,
+		"preferred_audio_lang":    in.PreferredAudioLang,
+		"autoplay_next":           in.AutoplayNext,
+		"skip_intro":              in.SkipIntro,
+		"allowed_library_ids":     string(libsBlob),
+	}
+	if in.RequirePIN && in.PIN != "" {
+		patch["pin_hash"] = hashPIN(in.PIN)
+	}
+	if !in.RequirePIN {
+		patch["pin_hash"] = ""
+	}
+	if in.IsDefault {
+		if err := s.repo.PlayProfile.ClearDefaultsFor(ctx, row.UserID); err != nil {
+			return nil, err
+		}
+	}
+	if err := s.repo.PlayProfile.Update(ctx, id, patch); err != nil {
+		return nil, err
+	}
+	row, err = s.repo.PlayProfile.FindByID(ctx, id)
+	if err != nil || row == nil {
+		return nil, err
+	}
+	v := toProfileView(*row)
+	return &v, nil
+}
+
+// Delete removes a profile.
+func (s *PlayProfileService) Delete(ctx context.Context, id string) error {
+	return s.repo.PlayProfile.Delete(ctx, id)
+}
+
+// TouchActive bumps the LastActiveAt timestamp; called by the player
+// when a profile is selected.
+func (s *PlayProfileService) TouchActive(ctx context.Context, id string) error {
+	now := time.Now()
+	return s.repo.PlayProfile.Update(ctx, id, map[string]any{
+		"last_active_at": &now,
+	})
+}
+
+// validateProfileInput rejects malformed payloads. On create we require
+// user_id; on update we allow it to be empty (caller supplies it via URL).
+func validateProfileInput(in PlayProfileInput, requireUser bool) error {
+	if strings.TrimSpace(in.Name) == "" {
+		return errors.New("name required")
+	}
+	if requireUser && strings.TrimSpace(in.UserID) == "" {
+		return errors.New("user_id required")
+	}
+	if in.RequirePIN && in.PIN != "" {
+		if len(in.PIN) < 4 || len(in.PIN) > 8 {
+			return errors.New("pin must be 4-8 characters")
+		}
+	}
+	return nil
+}
+
+// hashPIN is a deterministic SHA-256 (PINs are short numeric secrets;
+// bcrypt is overkill for this use case).
+func hashPIN(pin string) string {
+	sum := sha256.Sum256([]byte(pin))
+	return hex.EncodeToString(sum[:])
+}

internal/service/service.go

@@ -53,9 +53,15 @@ type Container struct {
 	Emby         *EmbyService
 	Backup       *BackupService
 	Notifier     *NotifierService
+	NotifyChannels *NotifyChannelService
+	PlayProfiles *PlayProfileService
+	Permissions  *PermissionService
+	StorageCfg   *StorageConfigService
+	License      *LicenseService
+	DownloadClients *DownloadClientService
+	Assistant    *AssistantService
 	Organizer    *OrganizerService
 	Douban       *DoubanProvider
-	Permission   *PermissionService
 	Token        *TokenService
 	ApiConfig    *ApiConfigService
 	DownloadMgr  *DownloadManager
@@ -98,8 +104,16 @@ func New(cfg *config.Config, log *zap.Logger, repos *repository.Container) *Cont
 	emby := NewEmbyService(cfg, log, repos)
 	backup := NewBackupService(cfg, log, repos.DB)
 	notifier := NewNotifierService(log, repos)
+	notifyChannels := NewNotifyChannelService(log, repos)
+	playProfiles := NewPlayProfileService(log, repos)
+	permissions := NewPermissionService(log, repos)
+	storageCfg := NewStorageConfigService(log, repos, crypto)
+	licenseSvc := NewLicenseService(log, repos)
+	downloadClients := NewDownloadClientService(log, repos)
+	assistant := NewAssistantService(log, repos, ai)
 	organizer := NewOrganizerService(cfg, log, repos)
 	douban := NewDoubanProvider(cfg, log)
+	siteService := NewSiteService(log, repos)
 	scheduler := NewSchedulerService(log, repos, scanner, transcoder, hub, cfg.Cache.CacheDir)
 
 	// 初始化认证相关服务
@@ -151,9 +165,15 @@ func New(cfg *config.Config, log *zap.Logger, repos *repository.Container) *Cont
 		Emby:         emby,
 		Backup:       backup,
 		Notifier:     notifier,
+		NotifyChannels: notifyChannels,
+		PlayProfiles: playProfiles,
+		Permissions:  permissions,
+		StorageCfg:   storageCfg,
+		License:      licenseSvc,
+		DownloadClients: downloadClients,
+		Assistant:    assistant,
 		Organizer:    organizer,
 		Douban:       douban,
-		Permission:   permissionSvc,
 		Token:        tokenSvc,
 		ApiConfig:    apiConfigSvc,
 		DownloadMgr:  downloadMgr,

internal/service/site.go

@@ -0,0 +1,210 @@
+// Package service — site management (PT/BT tracker CRUD + connection test).
+//
+// SiteService owns the lifecycle of Site rows and exposes a cross-site
+// search dispatcher that fans out a keyword query to every enabled site's
+// adapter, collects results and returns them merged + sorted.
+package service
+
+import (
+	"context"
+	"errors"
+	"net/http"
+	"strings"
+	"time"
+
+	"go.uber.org/zap"
+	"gorm.io/gorm"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/repository"
+)
+
+// SiteService manages PT/BT site configurations.
+type SiteService struct {
+	log  *zap.Logger
+	repo *repository.Container
+}
+
+// NewSiteService is the constructor.
+func NewSiteService(log *zap.Logger, repo *repository.Container) *SiteService {
+	return &SiteService{log: log, repo: repo}
+}
+
+// Create persists a new site.
+func (s *SiteService) Create(ctx context.Context, site *model.Site) error {
+	if strings.TrimSpace(site.Name) == "" || strings.TrimSpace(site.BaseURL) == "" {
+		return errors.New("name and base_url required")
+	}
+	site.BaseURL = strings.TrimRight(site.BaseURL, "/")
+	if site.SiteType == "" {
+		site.SiteType = "nexusphp"
+	}
+	if site.AuthType == "" {
+		site.AuthType = "cookie"
+	}
+	if site.Timeout <= 0 {
+		site.Timeout = 15
+	}
+	return s.repo.DB.WithContext(ctx).Create(site).Error
+}
+
+// List returns every site ordered by priority (lower = higher priority).
+func (s *SiteService) List(ctx context.Context) ([]model.Site, error) {
+	var sites []model.Site
+	err := s.repo.DB.WithContext(ctx).Order("priority asc, created_at asc").Find(&sites).Error
+	return sites, err
+}
+
+// FindByID returns a single site or nil.
+func (s *SiteService) FindByID(ctx context.Context, id string) (*model.Site, error) {
+	var site model.Site
+	err := s.repo.DB.WithContext(ctx).Where("id = ?", id).First(&site).Error
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, nil
+	}
+	return &site, err
+}
+
+// Update applies a partial patch to an existing site.
+func (s *SiteService) Update(ctx context.Context, id string, updates map[string]any) error {
+	return s.repo.DB.WithContext(ctx).Model(&model.Site{}).Where("id = ?", id).Updates(updates).Error
+}
+
+// Delete removes a site.
+func (s *SiteService) Delete(ctx context.Context, id string) error {
+	return s.repo.DB.WithContext(ctx).Where("id = ?", id).Delete(&model.Site{}).Error
+}
+
+// TestConnection tries to reach the site's base URL with the configured
+// credentials and reports success/failure.
+func (s *SiteService) TestConnection(ctx context.Context, id string) (bool, string, error) {
+	site, err := s.FindByID(ctx, id)
+	if err != nil || site == nil {
+		return false, "site not found", err
+	}
+
+	client := &http.Client{Timeout: time.Duration(site.Timeout) * time.Second}
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, site.BaseURL, nil)
+	if err != nil {
+		return false, err.Error(), nil
+	}
+
+	// Apply auth headers.
+	req.Header.Set("User-Agent", effectiveUA(site))
+	switch site.AuthType {
+	case "cookie":
+		if site.Cookie != "" {
+			req.Header.Set("Cookie", site.Cookie)
+		}
+	case "api_key":
+		if site.APIKey != "" {
+			req.Header.Set("x-api-key", site.APIKey)
+		}
+	case "authorization":
+		if site.AuthHeader != "" {
+			req.Header.Set("Authorization", site.AuthHeader)
+		}
+	}
+
+	resp, err := client.Do(req)
+	if err != nil {
+		status := "fail"
+		_ = s.repo.DB.WithContext(ctx).Model(&model.Site{}).Where("id = ?", id).
+			Update("login_status", status).Error
+		return false, err.Error(), nil
+	}
+	defer resp.Body.Close()
+
+	var ok bool
+	var msg string
+	switch {
+	case resp.StatusCode == 200:
+		ok, msg = true, "连接成功"
+	case resp.StatusCode == 403:
+		ok, msg = false, "认证失败 (HTTP 403)"
+	case resp.StatusCode == 401:
+		ok, msg = false, "未授权 (HTTP 401)"
+	default:
+		ok, msg = resp.StatusCode < 400, "HTTP "+resp.Status
+	}
+
+	loginStatus := "ok"
+	if !ok {
+		loginStatus = "fail"
+	}
+	_ = s.repo.DB.WithContext(ctx).Model(&model.Site{}).Where("id = ?", id).
+		Updates(map[string]any{"login_status": loginStatus, "last_check": time.Now()}).Error
+	return ok, msg, nil
+}
+
+// SearchResult is one torrent returned by a site adapter search.
+type SearchResult struct {
+	SiteName    string `json:"site_name"`
+	SiteID      string `json:"site_id"`
+	Title       string `json:"title"`
+	TorrentURL  string `json:"torrent_url"`
+	DownloadURL string `json:"download_url"`
+	Size        int64  `json:"size"`
+	Seeders     int    `json:"seeders"`
+	Leechers    int    `json:"leechers"`
+	Free        bool   `json:"free"`
+}
+
+// Search fans out a keyword query to every enabled site and returns
+// merged results sorted by seeders descending.
+func (s *SiteService) Search(ctx context.Context, keyword string) ([]SearchResult, error) {
+	if strings.TrimSpace(keyword) == "" {
+		return nil, errors.New("keyword required")
+	}
+	sites, err := s.List(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	var results []SearchResult
+	for i := range sites {
+		if !sites[i].Enabled {
+			continue
+		}
+		adapter := NewSiteAdapter(&sites[i])
+		if adapter == nil {
+			continue
+		}
+		items, err := adapter.Search(ctx, keyword)
+		if err != nil {
+			s.log.Debug("site search failed",
+				zap.String("site", sites[i].Name), zap.Error(err))
+			continue
+		}
+		for _, item := range items {
+			results = append(results, SearchResult{
+				SiteName:    sites[i].Name,
+				SiteID:      sites[i].ID,
+				Title:       item.Title,
+				TorrentURL:  item.TorrentURL,
+				DownloadURL: item.DownloadURL,
+				Size:        item.Size,
+				Seeders:     item.Seeders,
+				Leechers:    item.Leechers,
+				Free:        item.Free,
+			})
+		}
+	}
+
+	// Sort by seeders desc.
+	for i := 0; i < len(results); i++ {
+		for j := i + 1; j < len(results); j++ {
+			if results[j].Seeders > results[i].Seeders {
+				results[i], results[j] = results[j], results[i]
+			}
+		}
+	}
+	return results, nil
+}
+
+func effectiveUA(site *model.Site) string {
+	if site.UserAgent != "" {
+		return site.UserAgent
+	}
+	return "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36"
+}

internal/service/storage_config.go

@@ -0,0 +1,209 @@
+// Package service — Alist / S3 / WebDAV configuration management.
+//
+// StorageConfigService stores connection settings encrypted at rest
+// (via CryptoService). It also exposes a Test() probe so the React UI
+// can verify the credentials before saving.
+package service
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/http"
+	"strings"
+	"time"
+
+	"go.uber.org/zap"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/repository"
+)
+
+// StorageConfigService encrypts + persists external storage configs.
+type StorageConfigService struct {
+	log    *zap.Logger
+	repo   *repository.Container
+	crypto *CryptoService
+	client *http.Client
+}
+
+// NewStorageConfigService is the constructor.
+func NewStorageConfigService(log *zap.Logger, repo *repository.Container, crypto *CryptoService) *StorageConfigService {
+	return &StorageConfigService{
+		log:    log,
+		repo:   repo,
+		crypto: crypto,
+		client: &http.Client{Timeout: 15 * time.Second},
+	}
+}
+
+// StorageInput is the create / update payload accepted by the API.
+// Config is a free-form map whose required keys depend on Type.
+type StorageInput struct {
+	Type    string         `json:"type" binding:"required"`
+	Config  map[string]any `json:"config" binding:"required"`
+	Enabled *bool          `json:"enabled,omitempty"`
+}
+
+// StorageView is what we return to the React UI. The actual ciphertext
+// is decoded back to a map (with secret keys still redacted in the
+// list endpoint via Redact).
+type StorageView struct {
+	model.StorageConfig
+	Config map[string]any `json:"config"`
+}
+
+// Get returns the decrypted config view, or (nil, nil).
+func (s *StorageConfigService) Get(ctx context.Context, kind string) (*StorageView, error) {
+	row, err := s.repo.StorageConfig.Get(ctx, kind)
+	if err != nil {
+		return nil, err
+	}
+	if row == nil {
+		return nil, nil
+	}
+	plain := s.crypto.Decrypt(row.Config)
+	var cfg map[string]any
+	_ = json.Unmarshal([]byte(plain), &cfg)
+	if cfg == nil {
+		cfg = map[string]any{}
+	}
+	return &StorageView{StorageConfig: *row, Config: cfg}, nil
+}
+
+// List returns every config view (used by /admin/storage/status).
+func (s *StorageConfigService) List(ctx context.Context) ([]StorageView, error) {
+	rows, err := s.repo.StorageConfig.List(ctx)
+	if err != nil {
+		return nil, err
+	}
+	out := make([]StorageView, 0, len(rows))
+	for _, r := range rows {
+		plain := s.crypto.Decrypt(r.Config)
+		var cfg map[string]any
+		_ = json.Unmarshal([]byte(plain), &cfg)
+		// Redact secrets when listing.
+		for _, k := range []string{"password", "secret_key", "token"} {
+			if v, ok := cfg[k]; ok && fmt.Sprint(v) != "" {
+				cfg[k] = "********"
+			}
+		}
+		out = append(out, StorageView{StorageConfig: r, Config: cfg})
+	}
+	return out, nil
+}
+
+// Save inserts or updates the config row.
+func (s *StorageConfigService) Save(ctx context.Context, in StorageInput) (*StorageView, error) {
+	if !validStorageType(in.Type) {
+		return nil, fmt.Errorf("unsupported storage type %q", in.Type)
+	}
+	blob, err := json.Marshal(in.Config)
+	if err != nil {
+		return nil, err
+	}
+	cipher := s.crypto.Encrypt(string(blob))
+	row := &model.StorageConfig{
+		Type:    in.Type,
+		Config:  cipher,
+		Enabled: true,
+	}
+	if in.Enabled != nil {
+		row.Enabled = *in.Enabled
+	}
+	if err := s.repo.StorageConfig.Upsert(ctx, row); err != nil {
+		return nil, err
+	}
+	return s.Get(ctx, in.Type)
+}
+
+// Test runs a connection probe against the supplied (un-saved) config.
+// The implementation is best-effort: it issues a single HEAD/PROPFIND
+// to verify reachability, not full functionality.
+func (s *StorageConfigService) Test(ctx context.Context, in StorageInput) error {
+	cfg := in.Config
+	if cfg == nil {
+		return errors.New("config required")
+	}
+	switch in.Type {
+	case "alist":
+		server := strings.TrimRight(strr(cfg["server"]), "/")
+		if server == "" {
+			return errors.New("alist missing server")
+		}
+		req, _ := http.NewRequestWithContext(ctx, http.MethodGet, server+"/api/me", nil)
+		if tok := strr(cfg["token"]); tok != "" {
+			req.Header.Set("Authorization", tok)
+		}
+		resp, err := s.client.Do(req)
+		if err != nil {
+			return err
+		}
+		defer resp.Body.Close()
+		if resp.StatusCode >= 500 {
+			return fmt.Errorf("alist returned %d", resp.StatusCode)
+		}
+		return nil
+	case "webdav":
+		u := strr(cfg["url"])
+		if u == "" {
+			return errors.New("webdav missing url")
+		}
+		req, _ := http.NewRequestWithContext(ctx, "PROPFIND", u, nil)
+		if user := strr(cfg["username"]); user != "" {
+			req.SetBasicAuth(user, strr(cfg["password"]))
+		}
+		req.Header.Set("Depth", "0")
+		resp, err := s.client.Do(req)
+		if err != nil {
+			return err
+		}
+		defer resp.Body.Close()
+		if resp.StatusCode >= 400 && resp.StatusCode != http.StatusUnauthorized {
+			// 401 with creds means bad creds; with no creds it's reachable.
+			if user := strr(cfg["username"]); user == "" && resp.StatusCode == http.StatusUnauthorized {
+				return nil
+			}
+			return fmt.Errorf("webdav returned %d", resp.StatusCode)
+		}
+		return nil
+	case "s3":
+		ep := strr(cfg["endpoint"])
+		if ep == "" {
+			return errors.New("s3 missing endpoint")
+		}
+		// We only verify endpoint reachability — full SigV4 is a large
+		// dependency; the upstream Vue project also stops at this level.
+		req, _ := http.NewRequestWithContext(ctx, http.MethodGet, ep, nil)
+		resp, err := s.client.Do(req)
+		if err != nil {
+			return err
+		}
+		defer resp.Body.Close()
+		return nil
+	default:
+		return fmt.Errorf("unsupported storage type %q", in.Type)
+	}
+}
+
+func validStorageType(t string) bool {
+	switch t {
+	case "alist", "s3", "webdav":
+		return true
+	}
+	return false
+}
+
+// strr is a tiny helper to avoid importing fmt.Sprint just to coerce
+// interface{} → string. (Named "strr" so it doesn't collide with the
+// notify channel's `str` helper which already lives in this package.)
+func strr(v any) string {
+	if v == nil {
+		return ""
+	}
+	if s, ok := v.(string); ok {
+		return strings.TrimSpace(s)
+	}
+	return strings.TrimSpace(fmt.Sprint(v))
+}