diff --git a/backend/internal/handler/api.go b/backend/internal/handler/api.go
index 6a5dd957c..b234b08a4 100644
--- a/backend/internal/handler/api.go
+++ b/backend/internal/handler/api.go
@@ -42,6 +42,7 @@ func RegisterCanvasAPI(api *gin.RouterGroup, svc *service.Service) {
 	RegisterChunkedUploadRoutes(api, svc)
 	RegisterDiagnosticsRoutes(api, svc)
 	RegisterPluginRoutes(api, svc)
+	RegisterLibraryRoutes(api, svc)
 	projectAPI := api.Group("")
 	projectAPI.Use(RequireFeature(svc, service.FeatureShortDrama))
 	RegisterProjectRoutes(projectAPI, svc)
diff --git a/backend/internal/handler/project.go b/backend/internal/handler/project.go
index 9f4f09b98..1fd3cdd0c 100644
--- a/backend/internal/handler/project.go
+++ b/backend/internal/handler/project.go
@@ -10,7 +10,8 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
-func RegisterProjectRoutes(r *gin.RouterGroup, svc *service.Service) {
+// RegisterLibraryRoutes 注册画布和短剧共用的个人资料库（画风、声音、角色），不受短剧功能开关限制。
+func RegisterLibraryRoutes(r *gin.RouterGroup, svc *service.Service) {
 	RegisterStyleProfileRoutes(r, svc)
 	r.GET("/voice-profiles", func(c *gin.Context) {
 		user, err := currentUser(c, svc)
@@ -25,6 +26,11 @@ func RegisterProjectRoutes(r *gin.RouterGroup, svc *service.Service) {
 		}
 		ok(c, gin.H{"profiles": profiles})
 	})
+	registerCharacterLibraryRoutes(r, svc)
+}
+
+// RegisterProjectRoutes 注册短剧项目接口，调用方负责挂短剧功能开关。
+func RegisterProjectRoutes(r *gin.RouterGroup, svc *service.Service) {
 	registerProjectCoreRoutes(r, svc)
 	registerProjectUnitRoutes(r, svc)
 	registerProjectAssetRoutes(r, svc)
diff --git a/backend/internal/handler/project_asset_routes.go b/backend/internal/handler/project_asset_routes.go
index e4d1c7033..91c730146 100644
--- a/backend/internal/handler/project_asset_routes.go
+++ b/backend/internal/handler/project_asset_routes.go
@@ -129,136 +129,6 @@ func registerProjectAssetRoutes(r *gin.RouterGroup, svc *service.Service) {
 		}
 		ok(c, gin.H{"id": c.Param("folderId")})
 	})
-	r.GET("/characters", func(c *gin.Context) {
-		user, err := currentUser(c, svc)
-		if err != nil {
-			failService(c, err)
-			return
-		}
-		page, pageSize, parseErr := parsePaginationQuery(c, 12)
-		if parseErr != nil {
-			fail(c, http.StatusBadRequest, parseErr)
-			return
-		}
-		if pageSize > 48 {
-			pageSize = 48
-		}
-		ids := []string{}
-		for _, id := range strings.Split(c.Query("ids"), ",") {
-			if id = strings.TrimSpace(id); id != "" {
-				ids = append(ids, id)
-			}
-		}
-		characters, err := svc.ListCharacters(user.ID, c.Query("q"), page, pageSize, ids)
-		if err != nil {
-			failService(c, err)
-			return
-		}
-		ok(c, characters)
-	})
-	r.POST("/characters", func(c *gin.Context) {
-		user, err := currentUser(c, svc)
-		if err != nil {
-			failService(c, err)
-			return
-		}
-		c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 256<<10)
-		var req service.CreateCharacterRequest
-		if err := c.ShouldBindJSON(&req); err != nil {
-			fail(c, http.StatusBadRequest, err)
-			return
-		}
-		character, err := svc.CreateCharacter(user.ID, req)
-		if err != nil {
-			failService(c, err)
-			return
-		}
-		ok(c, character)
-	})
-	r.GET("/characters/:assetId", func(c *gin.Context) {
-		user, err := currentUser(c, svc)
-		if err != nil {
-			failService(c, err)
-			return
-		}
-		character, err := svc.Character(user.ID, c.Param("assetId"))
-		if err != nil {
-			failService(c, err)
-			return
-		}
-		ok(c, character)
-	})
-	r.PATCH("/characters/:assetId", func(c *gin.Context) {
-		user, err := currentUser(c, svc)
-		if err != nil {
-			failService(c, err)
-			return
-		}
-		c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 256<<10)
-		var req service.UpdateProjectCharacterRequest
-		if err := c.ShouldBindJSON(&req); err != nil {
-			fail(c, http.StatusBadRequest, err)
-			return
-		}
-		character, err := svc.UpdateCharacter(user.ID, c.Param("assetId"), req)
-		if err != nil {
-			failService(c, err)
-			return
-		}
-		ok(c, character)
-	})
-	r.PUT("/characters/:assetId/representations", func(c *gin.Context) {
-		user, err := currentUser(c, svc)
-		if err != nil {
-			failService(c, err)
-			return
-		}
-		c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 128<<10)
-		var req service.ReplaceCharacterRepresentationsRequest
-		if err := c.ShouldBindJSON(&req); err != nil {
-			fail(c, http.StatusBadRequest, err)
-			return
-		}
-		character, err := svc.ReplaceCharacterRepresentations(user.ID, c.Param("assetId"), req)
-		if err != nil {
-			failService(c, err)
-			return
-		}
-		ok(c, character)
-	})
-	r.PUT("/characters/:assetId/voice", func(c *gin.Context) {
-		user, err := currentUser(c, svc)
-		if err != nil {
-			failService(c, err)
-			return
-		}
-		c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 64<<10)
-		var req service.BindCharacterVoiceRequest
-		if err := c.ShouldBindJSON(&req); err != nil {
-			fail(c, http.StatusBadRequest, err)
-			return
-		}
-		character, err := svc.BindCharacterVoice(user.ID, c.Param("assetId"), req)
-		if err != nil {
-			failService(c, err)
-			return
-		}
-		ok(c, character)
-	})
-	r.DELETE("/characters/:assetId/voice", func(c *gin.Context) {
-		user, err := currentUser(c, svc)
-		if err != nil {
-			failService(c, err)
-			return
-		}
-		character, err := svc.UnbindCharacterVoice(user.ID, c.Param("assetId"))
-		if err != nil {
-			failService(c, err)
-			return
-		}
-		ok(c, character)
-	})
-
 	r.POST("/projects/:id/characters", func(c *gin.Context) {
 		user, err := currentUser(c, svc)
 		if err != nil {
@@ -431,3 +301,136 @@ func registerProjectAssetRoutes(r *gin.RouterGroup, svc *service.Service) {
 		ok(c, gin.H{"version": version})
 	})
 }
+
+// registerCharacterLibraryRoutes 注册个人角色库接口。角色库由画布和短剧共用，不受短剧功能开关限制。
+func registerCharacterLibraryRoutes(r *gin.RouterGroup, svc *service.Service) {
+	r.GET("/characters", func(c *gin.Context) {
+		user, err := currentUser(c, svc)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		page, pageSize, parseErr := parsePaginationQuery(c, 12)
+		if parseErr != nil {
+			fail(c, http.StatusBadRequest, parseErr)
+			return
+		}
+		if pageSize > 48 {
+			pageSize = 48
+		}
+		ids := []string{}
+		for _, id := range strings.Split(c.Query("ids"), ",") {
+			if id = strings.TrimSpace(id); id != "" {
+				ids = append(ids, id)
+			}
+		}
+		characters, err := svc.ListCharacters(user.ID, c.Query("q"), page, pageSize, ids)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		ok(c, characters)
+	})
+	r.POST("/characters", func(c *gin.Context) {
+		user, err := currentUser(c, svc)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 256<<10)
+		var req service.CreateCharacterRequest
+		if err := c.ShouldBindJSON(&req); err != nil {
+			fail(c, http.StatusBadRequest, err)
+			return
+		}
+		character, err := svc.CreateCharacter(user.ID, req)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		ok(c, character)
+	})
+	r.GET("/characters/:assetId", func(c *gin.Context) {
+		user, err := currentUser(c, svc)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		character, err := svc.Character(user.ID, c.Param("assetId"))
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		ok(c, character)
+	})
+	r.PATCH("/characters/:assetId", func(c *gin.Context) {
+		user, err := currentUser(c, svc)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 256<<10)
+		var req service.UpdateProjectCharacterRequest
+		if err := c.ShouldBindJSON(&req); err != nil {
+			fail(c, http.StatusBadRequest, err)
+			return
+		}
+		character, err := svc.UpdateCharacter(user.ID, c.Param("assetId"), req)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		ok(c, character)
+	})
+	r.PUT("/characters/:assetId/representations", func(c *gin.Context) {
+		user, err := currentUser(c, svc)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 128<<10)
+		var req service.ReplaceCharacterRepresentationsRequest
+		if err := c.ShouldBindJSON(&req); err != nil {
+			fail(c, http.StatusBadRequest, err)
+			return
+		}
+		character, err := svc.ReplaceCharacterRepresentations(user.ID, c.Param("assetId"), req)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		ok(c, character)
+	})
+	r.PUT("/characters/:assetId/voice", func(c *gin.Context) {
+		user, err := currentUser(c, svc)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 64<<10)
+		var req service.BindCharacterVoiceRequest
+		if err := c.ShouldBindJSON(&req); err != nil {
+			fail(c, http.StatusBadRequest, err)
+			return
+		}
+		character, err := svc.BindCharacterVoice(user.ID, c.Param("assetId"), req)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		ok(c, character)
+	})
+	r.DELETE("/characters/:assetId/voice", func(c *gin.Context) {
+		user, err := currentUser(c, svc)
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		character, err := svc.UnbindCharacterVoice(user.ID, c.Param("assetId"))
+		if err != nil {
+			failService(c, err)
+			return
+		}
+		ok(c, character)
+	})
+}
diff --git a/backend/internal/handler/short_drama_feature_routes_test.go b/backend/internal/handler/short_drama_feature_routes_test.go
new file mode 100644
index 000000000..fcef3d24e
--- /dev/null
+++ b/backend/internal/handler/short_drama_feature_routes_test.go
@@ -0,0 +1,100 @@
+package handler
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+	"time"
+
+	"yingce/backend/internal/auth"
+	"yingce/backend/internal/model"
+	"yingce/backend/internal/repository"
+	"yingce/backend/internal/service"
+
+	"github.com/gin-gonic/gin"
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+)
+
+// 角色库、我的画风、声音是画布与短剧共用的个人资料库，短剧关闭时不能一起被拦截；
+// /projects 系列接口仍受短剧开关控制，且两类接口都必须先登录。
+func TestShortDramaFeatureGateKeepsSharedLibraries(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+	for _, enabled := range []bool{false, true} {
+		t.Run(fmt.Sprintf("shortDramaEnabled=%t", enabled), func(t *testing.T) {
+			db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
+			if err != nil {
+				t.Fatal(err)
+			}
+			sqlDB, err := db.DB()
+			if err != nil {
+				t.Fatal(err)
+			}
+			sqlDB.SetMaxOpenConns(1)
+			t.Cleanup(func() { _ = sqlDB.Close() })
+			if err := db.AutoMigrate(&model.User{}, &model.AuthSession{}, &model.SystemSetting{},
+				&model.Asset{}, &model.AssetVersion{}, &model.AssetRepresentation{}, &model.CharacterVoiceBinding{},
+				&model.VoiceProfile{}, &model.StyleProfile{}, &model.Project{}, &model.ProjectAssetLink{},
+				&model.ProjectAssetFolder{}, &model.Resource{}, &model.Shot{}, &model.ShotAssetReference{},
+				&model.ProjectUnit{}, &model.CanvasProject{}); err != nil {
+				t.Fatal(err)
+			}
+			for _, record := range []any{
+				&model.User{ID: "owner", Username: "owner", Email: "owner@example.invalid", Role: model.UserRoleUser, Status: model.UserStatusActive},
+				&model.AuthSession{ID: "owner", UserID: "owner", TokenHash: auth.HashToken("test-token"), ExpiresAt: time.Now().Add(time.Hour)},
+				&model.SystemSetting{Key: "feature_availability", ValueJSON: fmt.Sprintf(`{"shortDramaEnabled":%t}`, enabled)},
+			} {
+				if err := db.Create(record).Error; err != nil {
+					t.Fatal(err)
+				}
+			}
+			svc := service.New(repository.New(db), t.TempDir())
+			character, err := svc.CreateCharacter("owner", service.CreateCharacterRequest{Name: "Existing character"})
+			if err != nil {
+				t.Fatal(err)
+			}
+			router := gin.New()
+			RegisterCanvasAPI(router.Group("/api"), svc)
+			call := func(method, path, body, actor string, want int) {
+				t.Helper()
+				req := httptest.NewRequest(method, "/api"+path, strings.NewReader(body))
+				req.Header.Set("Content-Type", "application/json")
+				if actor != "" {
+					req.AddCookie(&http.Cookie{Name: service.SessionCookieName, Value: actor + ".test-token"})
+				}
+				w := httptest.NewRecorder()
+				router.ServeHTTP(w, req)
+				if w.Code != want {
+					t.Fatalf("%s %s actor=%q: got %d want %d: %s", method, path, actor, w.Code, want, w.Body.String())
+				}
+				if want == http.StatusOK {
+					var envelope struct {
+						Code int `json:"code"`
+					}
+					if err := json.Unmarshal(w.Body.Bytes(), &envelope); err != nil || envelope.Code != 0 {
+						t.Fatalf("%s %s: unsuccessful envelope: %s", method, path, w.Body.String())
+					}
+				}
+			}
+			for _, route := range []struct{ method, path, body string }{
+				{http.MethodGet, "/characters", ""},
+				{http.MethodGet, "/characters/" + character.Asset.ID, ""},
+				{http.MethodPost, "/characters", `{"name":"New character"}`},
+				{http.MethodGet, "/style-profiles", ""},
+				{http.MethodGet, "/voice-profiles", ""},
+			} {
+				call(route.method, route.path, route.body, "", http.StatusUnauthorized)
+				call(route.method, route.path, route.body, "owner", http.StatusOK)
+			}
+			projectWant := http.StatusForbidden
+			if enabled {
+				projectWant = http.StatusOK
+			}
+			call(http.MethodGet, "/projects", "", "", http.StatusUnauthorized)
+			call(http.MethodGet, "/projects", "", "owner", projectWant)
+		})
+	}
+}