feat: add file storage settings and uploads

2026-05-13 20:23:45 +08:00 · 2026-05-13 20:23:45 +08:00 · fc5dfd6bc5
commit fc5dfd6bc5
parent 0d0d0b9115
21 changed files with 3401 additions and 72 deletions
--- a/apps/api/internal/httpapi/file_upload_handlers.go
+++ b/apps/api/internal/httpapi/file_upload_handlers.go
@ -0,0 +1,58 @@
+package httpapi
+
+import (
+	"io"
+	"net/http"
+	"strings"
+
+	"github.com/easyai/easyai-ai-gateway/apps/api/internal/clients"
+	"github.com/easyai/easyai-ai-gateway/apps/api/internal/runner"
+)
+
+const maxGatewayUploadBytes = 256 << 20
+
+func (s *Server) uploadFile(w http.ResponseWriter, r *http.Request) {
+	r.Body = http.MaxBytesReader(w, r.Body, maxGatewayUploadBytes)
+	if err := r.ParseMultipartForm(32 << 20); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid multipart upload")
+		return
+	}
+	file, header, err := r.FormFile("file")
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "file is required")
+		return
+	}
+	defer file.Close()
+	payload, err := io.ReadAll(file)
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "read upload file failed")
+		return
+	}
+	contentType := strings.TrimSpace(header.Header.Get("Content-Type"))
+	if contentType == "" && len(payload) > 0 {
+		contentType = http.DetectContentType(payload)
+	}
+	upload, err := s.runner.UploadFile(r.Context(), runner.FileUploadPayload{
+		Bytes:       payload,
+		ContentType: contentType,
+		FileName:    header.Filename,
+		Source:      firstNonEmptyFormValue(r, "source", "ai-gateway-openapi"),
+	})
+	if err != nil {
+		s.logger.Error("upload file failed", "error", err)
+		status := http.StatusBadGateway
+		if clients.ErrorCode(err) == "upload_no_channel" {
+			status = http.StatusServiceUnavailable
+		}
+		writeError(w, status, err.Error())
+		return
+	}
+	writeJSON(w, http.StatusOK, upload)
+}
+
+func firstNonEmptyFormValue(r *http.Request, key string, fallback string) string {
+	if value := strings.TrimSpace(r.FormValue(key)); value != "" {
+		return value
+	}
+	return fallback
+}
--- a/apps/api/internal/httpapi/server.go
+++ b/apps/api/internal/httpapi/server.go
@ -102,6 +102,12 @@ func NewServerWithContext(ctx context.Context, cfg config.Config, db *store.Stor
 	mux.Handle("GET /api/admin/runtime/runner-policy", server.requireAdmin(auth.PermissionPower, http.HandlerFunc(server.getRunnerPolicy)))
 	mux.Handle("PATCH /api/admin/runtime/runner-policy", server.requireAdmin(auth.PermissionManager, http.HandlerFunc(server.updateRunnerPolicy)))
 	mux.Handle("GET /api/admin/config/network-proxy", server.requireAdmin(auth.PermissionPower, http.HandlerFunc(server.getNetworkProxyConfig)))
+	mux.Handle("GET /api/admin/system/file-storage/settings", server.requireAdmin(auth.PermissionPower, http.HandlerFunc(server.getFileStorageSettings)))
+	mux.Handle("PATCH /api/admin/system/file-storage/settings", server.requireAdmin(auth.PermissionManager, http.HandlerFunc(server.updateFileStorageSettings)))
+	mux.Handle("GET /api/admin/system/file-storage/channels", server.requireAdmin(auth.PermissionPower, http.HandlerFunc(server.listFileStorageChannels)))
+	mux.Handle("POST /api/admin/system/file-storage/channels", server.requireAdmin(auth.PermissionManager, http.HandlerFunc(server.createFileStorageChannel)))
+	mux.Handle("PATCH /api/admin/system/file-storage/channels/{channelID}", server.requireAdmin(auth.PermissionManager, http.HandlerFunc(server.updateFileStorageChannel)))
+	mux.Handle("DELETE /api/admin/system/file-storage/channels/{channelID}", server.requireAdmin(auth.PermissionManager, http.HandlerFunc(server.deleteFileStorageChannel)))
 	mux.Handle("GET /api/admin/platforms", server.requireAdmin(auth.PermissionPower, http.HandlerFunc(server.listPlatforms)))
 	mux.Handle("POST /api/admin/platforms", server.requireAdmin(auth.PermissionManager, http.HandlerFunc(server.createPlatform)))
 	mux.Handle("PATCH /api/admin/platforms/{platformID}", server.requireAdmin(auth.PermissionManager, http.HandlerFunc(server.updatePlatform)))
@ -123,6 +129,7 @@ func NewServerWithContext(ctx context.Context, cfg config.Config, db *store.Stor
 	mux.Handle("POST /api/v1/images/generations", server.auth.Require(auth.PermissionBasic, server.createTask("images.generations", false)))
 	mux.Handle("POST /api/v1/images/edits", server.auth.Require(auth.PermissionBasic, server.createTask("images.edits", false)))
 	mux.Handle("POST /api/v1/videos/generations", server.auth.Require(auth.PermissionBasic, server.createTask("videos.generations", false)))
+	mux.Handle("POST /api/v1/files/upload", server.auth.Require(auth.PermissionBasic, http.HandlerFunc(server.uploadFile)))
 	mux.Handle("GET /api/v1/tasks", server.auth.Require(auth.PermissionBasic, http.HandlerFunc(server.listTasks)))
 	mux.Handle("GET /api/v1/tasks/{taskID}", server.auth.Require(auth.PermissionBasic, http.HandlerFunc(server.getTask)))
 	mux.Handle("GET /api/v1/tasks/{taskID}/param-preprocessing", server.auth.Require(auth.PermissionBasic, http.HandlerFunc(server.taskParamPreprocessing)))
@ -135,6 +142,7 @@ func NewServerWithContext(ctx context.Context, cfg config.Config, db *store.Stor
 	mux.Handle("POST /v1/images/generations", server.auth.Require(auth.PermissionBasic, server.createTask("images.generations", true)))
 	mux.Handle("POST /images/edits", server.auth.Require(auth.PermissionBasic, server.createTask("images.edits", true)))
 	mux.Handle("POST /v1/images/edits", server.auth.Require(auth.PermissionBasic, server.createTask("images.edits", true)))
+	mux.Handle("POST /v1/files/upload", server.auth.Require(auth.PermissionBasic, http.HandlerFunc(server.uploadFile)))

 	return server.recover(server.cors(mux))
 }
--- a/apps/api/internal/httpapi/system_settings_handlers.go
+++ b/apps/api/internal/httpapi/system_settings_handlers.go
@ -0,0 +1,150 @@
+package httpapi
+
+import (
+	"encoding/json"
+	"net/http"
+	"strings"
+
+	"github.com/easyai/easyai-ai-gateway/apps/api/internal/store"
+)
+
+func (s *Server) listFileStorageChannels(w http.ResponseWriter, r *http.Request) {
+	items, err := s.store.ListFileStorageChannels(r.Context())
+	if err != nil {
+		s.logger.Error("list file storage channels failed", "error", err)
+		writeError(w, http.StatusInternalServerError, "list file storage channels failed")
+		return
+	}
+	writeJSON(w, http.StatusOK, map[string]any{"items": items})
+}
+
+func (s *Server) getFileStorageSettings(w http.ResponseWriter, r *http.Request) {
+	settings, err := s.store.GetFileStorageSettings(r.Context())
+	if err != nil {
+		if store.IsUndefinedDatabaseObject(err) {
+			writeJSON(w, http.StatusOK, store.DefaultFileStorageSettings())
+			return
+		}
+		s.logger.Error("get file storage settings failed", "error", err)
+		writeError(w, http.StatusInternalServerError, "get file storage settings failed")
+		return
+	}
+	writeJSON(w, http.StatusOK, settings)
+}
+
+func (s *Server) updateFileStorageSettings(w http.ResponseWriter, r *http.Request) {
+	var input store.FileStorageSettingsInput
+	if err := json.NewDecoder(r.Body).Decode(&input); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid json body")
+		return
+	}
+	settings, err := s.store.UpdateFileStorageSettings(r.Context(), input)
+	if err != nil {
+		s.logger.Error("update file storage settings failed", "error", err)
+		writeError(w, http.StatusInternalServerError, "update file storage settings failed")
+		return
+	}
+	writeJSON(w, http.StatusOK, settings)
+}
+
+func (s *Server) createFileStorageChannel(w http.ResponseWriter, r *http.Request) {
+	var input store.FileStorageChannelInput
+	if err := json.NewDecoder(r.Body).Decode(&input); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid json body")
+		return
+	}
+	if message := validateFileStorageChannelInput(input, nil); message != "" {
+		writeError(w, http.StatusBadRequest, message)
+		return
+	}
+	item, err := s.store.CreateFileStorageChannel(r.Context(), input)
+	if err != nil {
+		if store.IsUniqueViolation(err) {
+			writeError(w, http.StatusConflict, "file storage channel key already exists")
+			return
+		}
+		s.logger.Error("create file storage channel failed", "error", err)
+		writeError(w, http.StatusInternalServerError, "create file storage channel failed")
+		return
+	}
+	writeJSON(w, http.StatusCreated, item)
+}
+
+func (s *Server) updateFileStorageChannel(w http.ResponseWriter, r *http.Request) {
+	var input store.FileStorageChannelInput
+	if err := json.NewDecoder(r.Body).Decode(&input); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid json body")
+		return
+	}
+	existing, err := s.store.GetFileStorageChannel(r.Context(), r.PathValue("channelID"))
+	if err != nil {
+		if store.IsNotFound(err) {
+			writeError(w, http.StatusNotFound, "file storage channel not found")
+			return
+		}
+		s.logger.Error("get file storage channel failed", "error", err)
+		writeError(w, http.StatusInternalServerError, "get file storage channel failed")
+		return
+	}
+	if message := validateFileStorageChannelInput(input, &existing); message != "" {
+		writeError(w, http.StatusBadRequest, message)
+		return
+	}
+	item, err := s.store.UpdateFileStorageChannel(r.Context(), r.PathValue("channelID"), input)
+	if err != nil {
+		if store.IsNotFound(err) {
+			writeError(w, http.StatusNotFound, "file storage channel not found")
+			return
+		}
+		if store.IsUniqueViolation(err) {
+			writeError(w, http.StatusConflict, "file storage channel key already exists")
+			return
+		}
+		s.logger.Error("update file storage channel failed", "error", err)
+		writeError(w, http.StatusInternalServerError, "update file storage channel failed")
+		return
+	}
+	writeJSON(w, http.StatusOK, item)
+}
+
+func (s *Server) deleteFileStorageChannel(w http.ResponseWriter, r *http.Request) {
+	if err := s.store.DeleteFileStorageChannel(r.Context(), r.PathValue("channelID")); err != nil {
+		if store.IsNotFound(err) {
+			writeError(w, http.StatusNotFound, "file storage channel not found")
+			return
+		}
+		s.logger.Error("delete file storage channel failed", "error", err)
+		writeError(w, http.StatusInternalServerError, "delete file storage channel failed")
+		return
+	}
+	w.WriteHeader(http.StatusNoContent)
+}
+
+func validateFileStorageChannelInput(input store.FileStorageChannelInput, existing *store.FileStorageChannel) string {
+	provider := strings.ToLower(strings.TrimSpace(input.Provider))
+	if provider == "" {
+		provider = "server_main_openapi"
+	}
+	status := strings.ToLower(strings.TrimSpace(input.Status))
+	if status == "" {
+		status = "disabled"
+	}
+	if strings.TrimSpace(input.ChannelKey) == "" || strings.TrimSpace(input.Name) == "" {
+		return "channelKey and name are required"
+	}
+	if status != "enabled" && status != "disabled" {
+		return "status must be enabled or disabled"
+	}
+	if provider == "server_main_openapi" {
+		hasAPIKey := false
+		if input.APIKey != nil {
+			hasAPIKey = strings.TrimSpace(*input.APIKey) != ""
+		} else if existing != nil {
+			hasAPIKey = strings.TrimSpace(existing.APIKey) != ""
+		}
+		if status == "enabled" && !hasAPIKey {
+			return "server-main OpenAPI channel requires API key before enabling"
+		}
+	}
+	return ""
+}
--- a/apps/api/internal/runner/service.go
+++ b/apps/api/internal/runner/service.go
@ -481,7 +481,7 @@ func (s *Service) runCandidate(ctx context.Context, task store.GatewayTask, user
 		s.applyCandidateFailurePolicies(ctx, task.ID, candidate, err, simulated)
 		return clients.Response{}, err
 	}
-	uploadedResult, err := s.uploadGeneratedAssets(ctx, response.Result)
+	uploadedResult, err := s.uploadGeneratedAssets(ctx, task.ID, task.Kind, response.Result)
 	if err != nil {
 		metrics := mergeMetrics(taskMetrics(task, user, body, candidate, response, simulated), parameterPreprocessingMetrics(preprocessing), map[string]any{
 			"error":     err.Error(),
--- a/apps/api/internal/runner/upload.go
+++ b/apps/api/internal/runner/upload.go
--- a/apps/api/internal/runner/upload_test.go
+++ b/apps/api/internal/runner/upload_test.go
@ -0,0 +1,187 @@
+package runner
+
+import (
+	"encoding/base64"
+	"strings"
+	"testing"
+
+	"github.com/easyai/easyai-ai-gateway/apps/api/internal/store"
+)
+
+func TestGeneratedAssetDecisionSkipsURLResultAndStripsInlinePayload(t *testing.T) {
+	item := map[string]any{
+		"b64_json": base64.StdEncoding.EncodeToString([]byte("inline image")),
+		"url":      "https://cdn.example.com/generated.png",
+	}
+
+	decision, err := generatedAssetDecisionForItem("images.generations", item, defaultGeneratedAssetUploadPolicy())
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if decision.Inline != nil {
+		t.Fatalf("URL media should not be uploaded by the default policy")
+	}
+	if !containsString(decision.StripKeys, "b64_json") {
+		t.Fatalf("inline payload should be stripped when URL is already available: %+v", decision.StripKeys)
+	}
+}
+
+func TestGeneratedAssetDecisionUploadsInlineImageBase64(t *testing.T) {
+	item := map[string]any{
+		"b64_json":  base64.StdEncoding.EncodeToString([]byte("inline image")),
+		"mime_type": "image/jpeg",
+	}
+
+	decision, err := generatedAssetDecisionForItem("images.generations", item, defaultGeneratedAssetUploadPolicy())
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if decision.Inline == nil {
+		t.Fatalf("expected inline image to be uploaded")
+	}
+	if decision.Inline.Kind != "image" || decision.Inline.ContentType != "image/jpeg" {
+		t.Fatalf("unexpected inline image metadata: %+v", decision.Inline)
+	}
+	if !containsString(decision.StripKeys, "b64_json") {
+		t.Fatalf("uploaded inline payload should be stripped: %+v", decision.StripKeys)
+	}
+}
+
+func TestGeneratedAssetDecisionUploadsInlineVideoBuffer(t *testing.T) {
+	item := map[string]any{
+		"type":         "video",
+		"video_buffer": []any{float64(0), float64(1), float64(2), float64(3)},
+	}
+
+	decision, err := generatedAssetDecisionForItem("videos.generations", item, defaultGeneratedAssetUploadPolicy())
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if decision.Inline == nil {
+		t.Fatalf("expected inline video buffer to be uploaded")
+	}
+	if decision.Inline.Kind != "video" || decision.Inline.ContentType != "video/mp4" {
+		t.Fatalf("unexpected inline video metadata: %+v", decision.Inline)
+	}
+	if !containsString(decision.StripKeys, "video_buffer") {
+		t.Fatalf("uploaded video buffer should be stripped: %+v", decision.StripKeys)
+	}
+}
+
+func TestGeneratedAssetDecisionUploadsDataURL(t *testing.T) {
+	item := map[string]any{
+		"url": "data:image/webp;base64," + base64.StdEncoding.EncodeToString([]byte("inline webp")),
+	}
+
+	decision, err := generatedAssetDecisionForItem("images.generations", item, defaultGeneratedAssetUploadPolicy())
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if decision.Inline == nil {
+		t.Fatalf("expected data URL to be uploaded")
+	}
+	if decision.Inline.SourceKey != "url" || decision.Inline.ContentType != "image/webp" {
+		t.Fatalf("unexpected data URL metadata: %+v", decision.Inline)
+	}
+	if !containsString(decision.StripKeys, "url") {
+		t.Fatalf("uploaded data URL field should be stripped: %+v", decision.StripKeys)
+	}
+}
+
+func TestGeneratedAssetDecisionUploadsURLWhenPolicyUploadAll(t *testing.T) {
+	item := map[string]any{
+		"type":      "video",
+		"video_url": "https://cdn.example.com/generated.mp4",
+	}
+
+	decision, err := generatedAssetDecisionForItem("videos.generations", item, generatedAssetUploadPolicy{UploadInlineMedia: true, UploadURLMedia: true})
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if decision.URL == nil {
+		t.Fatalf("expected URL media to be uploaded")
+	}
+	if decision.URL.Kind != "video" || decision.URL.SourceKey != "video_url" {
+		t.Fatalf("unexpected URL media metadata: %+v", decision.URL)
+	}
+	if !containsString(decision.StripKeys, "video_url") {
+		t.Fatalf("uploaded URL field should be stripped: %+v", decision.StripKeys)
+	}
+}
+
+func TestGeneratedAssetDecisionSkipsAllWhenPolicyUploadNone(t *testing.T) {
+	item := map[string]any{
+		"b64_json": base64.StdEncoding.EncodeToString([]byte("inline image")),
+	}
+
+	decision, err := generatedAssetDecisionForItem("images.generations", item, generatedAssetUploadPolicy{UploadInlineMedia: false, UploadURLMedia: false})
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if decision.Inline != nil || decision.URL != nil || len(decision.StripKeys) != 0 {
+		t.Fatalf("upload_none should keep the result unchanged: %+v", decision)
+	}
+}
+
+func TestGeneratedAssetUploadPolicyFromName(t *testing.T) {
+	tests := []struct {
+		name       string
+		policyName string
+		want       generatedAssetUploadPolicy
+	}{
+		{
+			name:       "default",
+			policyName: store.FileStorageResultUploadPolicyDefault,
+			want:       generatedAssetUploadPolicy{UploadInlineMedia: true, UploadURLMedia: false},
+		},
+		{
+			name:       "upload all",
+			policyName: store.FileStorageResultUploadPolicyUploadAll,
+			want:       generatedAssetUploadPolicy{UploadInlineMedia: true, UploadURLMedia: true},
+		},
+		{
+			name:       "upload none",
+			policyName: store.FileStorageResultUploadPolicyUploadNone,
+			want:       generatedAssetUploadPolicy{UploadInlineMedia: false, UploadURLMedia: false},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := generatedAssetUploadPolicyFromName(tt.policyName)
+			if got != tt.want {
+				t.Fatalf("unexpected policy: got %+v, want %+v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestResolvedGeneratedAssetContentTypePrefersDetectedMedia(t *testing.T) {
+	pngPayload := []byte{0x89, 'P', 'N', 'G', 0x0d, 0x0a, 0x1a, 0x0a, 0, 0, 0, 0}
+
+	contentType := resolvedGeneratedAssetContentType("image/jpeg", "image", pngPayload)
+	if contentType != "image/png" {
+		t.Fatalf("expected detected PNG content type, got %s", contentType)
+	}
+	if extension := fileExtensionForContentType(contentType, "image"); extension != ".png" {
+		t.Fatalf("expected PNG extension, got %s", extension)
+	}
+}
+
+func TestResolvedGeneratedAssetContentTypeKeepsDeclaredMediaWhenDetectionIsGeneric(t *testing.T) {
+	contentType := resolvedGeneratedAssetContentType("image/webp", "image", []byte("not enough media bytes"))
+	if contentType != "image/webp" {
+		t.Fatalf("expected declared webp content type, got %s", contentType)
+	}
+}
+
+func TestGeneratedAssetFileNameIsUniqueAndTyped(t *testing.T) {
+	first := generatedAssetFileName("663e19cd4fa9d8078385c7c9", 0, "image/png", "image")
+	second := generatedAssetFileName("663e19cd4fa9d8078385c7c9", 0, "image/png", "image")
+	if first == second {
+		t.Fatalf("expected generated file names to be unique, both were %s", first)
+	}
+	if !strings.HasPrefix(first, "gateway-result-663e19cd4fa9d8078385c7c9-01-") || !strings.HasSuffix(first, ".png") {
+		t.Fatalf("unexpected generated file name: %s", first)
+	}
+}
--- a/apps/api/internal/store/file_storage_channels.go
+++ b/apps/api/internal/store/file_storage_channels.go
@ -0,0 +1,499 @@
+package store
+
+import (
+	"context"
+	"encoding/json"
+	"strings"
+	"time"
+
+	"github.com/jackc/pgx/v5"
+)
+
+const defaultServerMainUploadURL = "http://127.0.0.1:3001/v1/files/upload"
+
+const (
+	FileStorageSceneUpload      = "upload"
+	FileStorageSceneImageResult = "image_result"
+)
+
+const (
+	FileStorageResultUploadPolicyDefault    = "default"
+	FileStorageResultUploadPolicyUploadAll  = "upload_all"
+	FileStorageResultUploadPolicyUploadNone = "upload_none"
+)
+
+const SystemSettingFileStorage = "file_storage"
+
+const fileStorageChannelColumns = `
+id::text, channel_key, name, provider, COALESCE(upload_url, ''), credentials,
+config, retry_policy, priority, status, COALESCE(last_error, ''),
+COALESCE(last_failed_at::text, ''), COALESCE(last_succeeded_at::text, ''),
+created_at, updated_at`
+
+type FileStorageChannel struct {
+	ID                 string         `json:"id"`
+	ChannelKey         string         `json:"channelKey"`
+	Name               string         `json:"name"`
+	Provider           string         `json:"provider"`
+	UploadURL          string         `json:"uploadUrl,omitempty"`
+	APIKey             string         `json:"-"`
+	CredentialsPreview map[string]any `json:"credentialsPreview,omitempty"`
+	Scenes             []string       `json:"scenes,omitempty"`
+	Config             map[string]any `json:"config,omitempty"`
+	RetryPolicy        map[string]any `json:"retryPolicy,omitempty"`
+	Priority           int            `json:"priority"`
+	Status             string         `json:"status"`
+	LastError          string         `json:"lastError,omitempty"`
+	LastFailedAt       string         `json:"lastFailedAt,omitempty"`
+	LastSucceededAt    string         `json:"lastSucceededAt,omitempty"`
+	CreatedAt          time.Time      `json:"createdAt"`
+	UpdatedAt          time.Time      `json:"updatedAt"`
+}
+
+type FileStorageChannelInput struct {
+	ChannelKey  string         `json:"channelKey"`
+	Name        string         `json:"name"`
+	Provider    string         `json:"provider"`
+	UploadURL   string         `json:"uploadUrl"`
+	APIKey      *string        `json:"apiKey"`
+	Scenes      []string       `json:"scenes"`
+	Config      map[string]any `json:"config"`
+	RetryPolicy map[string]any `json:"retryPolicy"`
+	Priority    int            `json:"priority"`
+	Status      string         `json:"status"`
+}
+
+type FileStorageSettings struct {
+	ResultUploadPolicy string `json:"resultUploadPolicy"`
+}
+
+type FileStorageSettingsInput struct {
+	ResultUploadPolicy string `json:"resultUploadPolicy"`
+}
+
+type fileStorageChannelScanner interface {
+	Scan(dest ...any) error
+}
+
+func (s *Store) ListFileStorageChannels(ctx context.Context) ([]FileStorageChannel, error) {
+	rows, err := s.pool.Query(ctx, `
+SELECT `+fileStorageChannelColumns+`
+FROM file_storage_channels
+WHERE deleted_at IS NULL
+ORDER BY priority ASC, created_at ASC`)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := make([]FileStorageChannel, 0)
+	for rows.Next() {
+		item, err := scanFileStorageChannel(rows)
+		if err != nil {
+			return nil, err
+		}
+		items = append(items, item)
+	}
+	return items, rows.Err()
+}
+
+func (s *Store) ListEnabledFileStorageChannels(ctx context.Context) ([]FileStorageChannel, error) {
+	return s.listEnabledFileStorageChannels(ctx, "")
+}
+
+func (s *Store) ListEnabledFileStorageChannelsForScene(ctx context.Context, scene string) ([]FileStorageChannel, error) {
+	return s.listEnabledFileStorageChannels(ctx, normalizeFileStorageScene(scene))
+}
+
+func (s *Store) listEnabledFileStorageChannels(ctx context.Context, scene string) ([]FileStorageChannel, error) {
+	rows, err := s.pool.Query(ctx, `
+SELECT `+fileStorageChannelColumns+`
+FROM file_storage_channels
+WHERE deleted_at IS NULL
+  AND status = 'enabled'
+  AND (
+    $1 = ''
+    OR NOT (config ? 'scenes')
+    OR jsonb_typeof(config->'scenes') <> 'array'
+    OR (config->'scenes') ? $1
+  )
+ORDER BY priority ASC, created_at ASC`, scene)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := make([]FileStorageChannel, 0)
+	for rows.Next() {
+		item, err := scanFileStorageChannel(rows)
+		if err != nil {
+			return nil, err
+		}
+		items = append(items, item)
+	}
+	return items, rows.Err()
+}
+
+func (s *Store) GetFileStorageChannel(ctx context.Context, id string) (FileStorageChannel, error) {
+	return scanFileStorageChannel(s.pool.QueryRow(ctx, `
+SELECT `+fileStorageChannelColumns+`
+FROM file_storage_channels
+WHERE id = $1::uuid
+  AND deleted_at IS NULL`, id))
+}
+
+func (s *Store) CreateFileStorageChannel(ctx context.Context, input FileStorageChannelInput) (FileStorageChannel, error) {
+	input = normalizeFileStorageChannelInput(input)
+	credentials, _ := json.Marshal(credentialsFromFileStorageInput(input))
+	config, _ := json.Marshal(configFromFileStorageInput(input))
+	retryPolicy, _ := json.Marshal(defaultFileStorageRetryPolicyIfEmpty(input.RetryPolicy))
+
+	return scanFileStorageChannel(s.pool.QueryRow(ctx, `
+INSERT INTO file_storage_channels (
+  channel_key, name, provider, upload_url, credentials, config, retry_policy, priority, status
+)
+VALUES ($1, $2, $3, NULLIF($4, ''), $5, $6, $7, $8, $9)
+RETURNING `+fileStorageChannelColumns,
+		input.ChannelKey,
+		input.Name,
+		input.Provider,
+		input.UploadURL,
+		credentials,
+		config,
+		retryPolicy,
+		input.Priority,
+		input.Status,
+	))
+}
+
+func (s *Store) UpdateFileStorageChannel(ctx context.Context, id string, input FileStorageChannelInput) (FileStorageChannel, error) {
+	input = normalizeFileStorageChannelInput(input)
+	replaceCredentials := input.APIKey != nil
+	credentials, _ := json.Marshal(credentialsFromFileStorageInput(input))
+	config, _ := json.Marshal(configFromFileStorageInput(input))
+	retryPolicy, _ := json.Marshal(defaultFileStorageRetryPolicyIfEmpty(input.RetryPolicy))
+
+	return scanFileStorageChannel(s.pool.QueryRow(ctx, `
+UPDATE file_storage_channels
+SET channel_key = $2,
+    name = $3,
+    provider = $4,
+    upload_url = NULLIF($5, ''),
+    credentials = CASE WHEN $6::boolean THEN $7 ELSE credentials END,
+    config = $8,
+    retry_policy = $9,
+    priority = $10,
+    status = $11,
+    updated_at = now()
+WHERE id = $1::uuid
+  AND deleted_at IS NULL
+RETURNING `+fileStorageChannelColumns,
+		id,
+		input.ChannelKey,
+		input.Name,
+		input.Provider,
+		input.UploadURL,
+		replaceCredentials,
+		credentials,
+		config,
+		retryPolicy,
+		input.Priority,
+		input.Status,
+	))
+}
+
+func (s *Store) DeleteFileStorageChannel(ctx context.Context, id string) error {
+	result, err := s.pool.Exec(ctx, `
+UPDATE file_storage_channels
+SET deleted_at = now(),
+    status = 'disabled',
+    updated_at = now()
+WHERE id = $1::uuid
+  AND deleted_at IS NULL`, id)
+	if err != nil {
+		return err
+	}
+	if result.RowsAffected() == 0 {
+		return pgx.ErrNoRows
+	}
+	return nil
+}
+
+func (s *Store) MarkFileStorageChannelFailure(ctx context.Context, id string, message string) error {
+	if strings.TrimSpace(id) == "" {
+		return nil
+	}
+	_, err := s.pool.Exec(ctx, `
+UPDATE file_storage_channels
+SET last_error = NULLIF($2, ''),
+    last_failed_at = now(),
+    updated_at = now()
+WHERE id = $1::uuid
+  AND deleted_at IS NULL`, id, strings.TrimSpace(message))
+	return err
+}
+
+func (s *Store) MarkFileStorageChannelSuccess(ctx context.Context, id string) error {
+	if strings.TrimSpace(id) == "" {
+		return nil
+	}
+	_, err := s.pool.Exec(ctx, `
+UPDATE file_storage_channels
+SET last_error = NULL,
+    last_succeeded_at = now(),
+    updated_at = now()
+WHERE id = $1::uuid
+  AND deleted_at IS NULL`, id)
+	return err
+}
+
+func scanFileStorageChannel(scanner fileStorageChannelScanner) (FileStorageChannel, error) {
+	var item FileStorageChannel
+	var credentials []byte
+	var config []byte
+	var retryPolicy []byte
+	if err := scanner.Scan(
+		&item.ID,
+		&item.ChannelKey,
+		&item.Name,
+		&item.Provider,
+		&item.UploadURL,
+		&credentials,
+		&config,
+		&retryPolicy,
+		&item.Priority,
+		&item.Status,
+		&item.LastError,
+		&item.LastFailedAt,
+		&item.LastSucceededAt,
+		&item.CreatedAt,
+		&item.UpdatedAt,
+	); err != nil {
+		return FileStorageChannel{}, err
+	}
+	credentialObject := decodeObject(credentials)
+	item.APIKey = stringFromObject(credentialObject, "apiKey")
+	item.CredentialsPreview = maskCredentialsPreview(credentials)
+	configObject := decodeObject(config)
+	item.Scenes = fileStorageScenesFromConfig(configObject)
+	item.Config = fileStorageConfigWithoutManagedFields(configObject)
+	item.RetryPolicy = decodeObject(retryPolicy)
+	return item, nil
+}
+
+func normalizeFileStorageChannelInput(input FileStorageChannelInput) FileStorageChannelInput {
+	input.ChannelKey = strings.TrimSpace(input.ChannelKey)
+	input.Name = strings.TrimSpace(input.Name)
+	input.Provider = strings.ToLower(strings.TrimSpace(input.Provider))
+	input.UploadURL = strings.TrimSpace(input.UploadURL)
+	if input.APIKey != nil {
+		apiKey := strings.TrimSpace(*input.APIKey)
+		input.APIKey = &apiKey
+	}
+	input.Scenes = normalizeFileStorageScenes(input.Scenes)
+	input.Status = strings.ToLower(strings.TrimSpace(input.Status))
+	if input.Provider == "" {
+		input.Provider = "server_main_openapi"
+	}
+	if input.Provider == "server_main_openapi" && input.UploadURL == "" {
+		input.UploadURL = defaultServerMainUploadURL
+	}
+	if input.Status == "" {
+		input.Status = "disabled"
+	}
+	if input.Priority <= 0 {
+		input.Priority = 100
+	}
+	return input
+}
+
+func credentialsFromFileStorageInput(input FileStorageChannelInput) map[string]any {
+	apiKey := fileStorageInputAPIKey(input)
+	if apiKey == "" {
+		return map[string]any{}
+	}
+	return map[string]any{"apiKey": apiKey}
+}
+
+func fileStorageInputAPIKey(input FileStorageChannelInput) string {
+	if input.APIKey == nil {
+		return ""
+	}
+	return strings.TrimSpace(*input.APIKey)
+}
+
+func configFromFileStorageInput(input FileStorageChannelInput) map[string]any {
+	config := map[string]any{}
+	for key, value := range emptyObjectIfNil(input.Config) {
+		config[key] = value
+	}
+	config["scenes"] = normalizeFileStorageScenes(input.Scenes)
+	return config
+}
+
+func fileStorageConfigWithoutManagedFields(config map[string]any) map[string]any {
+	out := map[string]any{}
+	for key, value := range config {
+		if key == "scenes" || key == "resultUploadPolicy" {
+			continue
+		}
+		out[key] = value
+	}
+	if len(out) == 0 {
+		return nil
+	}
+	return out
+}
+
+func DefaultFileStorageSettings() FileStorageSettings {
+	return FileStorageSettings{ResultUploadPolicy: FileStorageResultUploadPolicyDefault}
+}
+
+func (s *Store) GetFileStorageSettings(ctx context.Context) (FileStorageSettings, error) {
+	var value []byte
+	err := s.pool.QueryRow(ctx, `
+SELECT value
+FROM system_settings
+WHERE setting_key = $1`, SystemSettingFileStorage).Scan(&value)
+	if err != nil {
+		if IsNotFound(err) {
+			return DefaultFileStorageSettings(), nil
+		}
+		return FileStorageSettings{}, err
+	}
+	return fileStorageSettingsFromValue(decodeObject(value)), nil
+}
+
+func (s *Store) UpdateFileStorageSettings(ctx context.Context, input FileStorageSettingsInput) (FileStorageSettings, error) {
+	settings := FileStorageSettings{ResultUploadPolicy: NormalizeFileStorageResultUploadPolicy(input.ResultUploadPolicy)}
+	value, _ := json.Marshal(settings)
+	var saved []byte
+	err := s.upsertFileStorageSettings(ctx, value, &saved)
+	if err != nil && IsUndefinedDatabaseObject(err) {
+		if ensureErr := s.ensureSystemSettingsTable(ctx); ensureErr != nil {
+			return FileStorageSettings{}, ensureErr
+		}
+		err = s.upsertFileStorageSettings(ctx, value, &saved)
+	}
+	if err != nil {
+		return FileStorageSettings{}, err
+	}
+	return fileStorageSettingsFromValue(decodeObject(saved)), nil
+}
+
+func (s *Store) upsertFileStorageSettings(ctx context.Context, value []byte, saved *[]byte) error {
+	return s.pool.QueryRow(ctx, `
+INSERT INTO system_settings (setting_key, value)
+VALUES ($1, $2)
+ON CONFLICT (setting_key)
+DO UPDATE SET value = EXCLUDED.value, updated_at = now()
+RETURNING value`, SystemSettingFileStorage, value).Scan(saved)
+}
+
+func (s *Store) ensureSystemSettingsTable(ctx context.Context) error {
+	_, err := s.pool.Exec(ctx, `
+CREATE TABLE IF NOT EXISTS system_settings (
+  setting_key text PRIMARY KEY,
+  value jsonb NOT NULL DEFAULT '{}'::jsonb,
+  created_at timestamptz NOT NULL DEFAULT now(),
+  updated_at timestamptz NOT NULL DEFAULT now()
+)`)
+	return err
+}
+
+func fileStorageSettingsFromValue(value map[string]any) FileStorageSettings {
+	settings := DefaultFileStorageSettings()
+	if value == nil {
+		return settings
+	}
+	settings.ResultUploadPolicy = NormalizeFileStorageResultUploadPolicy(stringFromAny(value["resultUploadPolicy"]))
+	return settings
+}
+
+func NormalizeFileStorageResultUploadPolicy(policy string) string {
+	normalized := strings.ToLower(strings.TrimSpace(policy))
+	normalized = strings.ReplaceAll(normalized, "-", "_")
+	switch normalized {
+	case "", "default", "non_link_only", "inline_only", "nonlink_only", "non_link":
+		return FileStorageResultUploadPolicyDefault
+	case "upload_all", "all", "always", "all_upload":
+		return FileStorageResultUploadPolicyUploadAll
+	case "upload_none", "none", "never", "disabled", "no_upload", "skip", "skip_all":
+		return FileStorageResultUploadPolicyUploadNone
+	default:
+		return FileStorageResultUploadPolicyDefault
+	}
+}
+
+func fileStorageScenesFromConfig(config map[string]any) []string {
+	if config == nil {
+		return defaultFileStorageScenes()
+	}
+	raw, ok := config["scenes"]
+	if !ok {
+		return defaultFileStorageScenes()
+	}
+	items, ok := raw.([]any)
+	if !ok {
+		return defaultFileStorageScenes()
+	}
+	scenes := make([]string, 0, len(items))
+	for _, item := range items {
+		if value, ok := item.(string); ok {
+			scenes = append(scenes, value)
+		}
+	}
+	return normalizeFileStorageScenes(scenes)
+}
+
+func normalizeFileStorageScenes(scenes []string) []string {
+	seen := map[string]bool{}
+	out := make([]string, 0, len(scenes))
+	for _, item := range scenes {
+		scene := normalizeFileStorageScene(item)
+		if scene == "" || seen[scene] {
+			continue
+		}
+		seen[scene] = true
+		out = append(out, scene)
+	}
+	if len(out) == 0 {
+		return defaultFileStorageScenes()
+	}
+	return out
+}
+
+func normalizeFileStorageScene(scene string) string {
+	return strings.ToLower(strings.TrimSpace(scene))
+}
+
+func defaultFileStorageScenes() []string {
+	return []string{FileStorageSceneUpload, FileStorageSceneImageResult}
+}
+
+func defaultFileStorageRetryPolicyIfEmpty(policy map[string]any) map[string]any {
+	if len(policy) > 0 {
+		return policy
+	}
+	return map[string]any{
+		"enabled":        true,
+		"maxRetries":     3,
+		"backoffSeconds": []any{60, 120, 180},
+		"strategy":       "exponential",
+	}
+}
+
+func stringFromObject(value map[string]any, key string) string {
+	if value == nil {
+		return ""
+	}
+	raw, _ := value[key].(string)
+	return strings.TrimSpace(raw)
+}
+
+func stringFromAny(value any) string {
+	switch typed := value.(type) {
+	case string:
+		return strings.TrimSpace(typed)
+	default:
+		return ""
+	}
+}
--- a/apps/api/migrations/0036_file_storage_channels.sql
+++ b/apps/api/migrations/0036_file_storage_channels.sql
@ -0,0 +1,85 @@
+CREATE TABLE IF NOT EXISTS system_settings (
+  setting_key text PRIMARY KEY,
+  value jsonb NOT NULL DEFAULT '{}'::jsonb,
+  created_at timestamptz NOT NULL DEFAULT now(),
+  updated_at timestamptz NOT NULL DEFAULT now()
+);
+
+INSERT INTO system_settings (setting_key, value)
+VALUES (
+  'file_storage',
+  '{"resultUploadPolicy": "default"}'::jsonb
+)
+ON CONFLICT (setting_key) DO NOTHING;
+
+CREATE TABLE IF NOT EXISTS file_storage_channels (
+  id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+  channel_key text NOT NULL UNIQUE,
+  name text NOT NULL,
+  provider text NOT NULL DEFAULT 'server_main_openapi',
+  upload_url text,
+  credentials jsonb NOT NULL DEFAULT '{}'::jsonb,
+  config jsonb NOT NULL DEFAULT '{}'::jsonb,
+  retry_policy jsonb NOT NULL DEFAULT '{
+    "enabled": true,
+    "maxRetries": 3,
+    "backoffSeconds": [60, 120, 180],
+    "strategy": "exponential"
+  }'::jsonb,
+  priority integer NOT NULL DEFAULT 100,
+  status text NOT NULL DEFAULT 'disabled',
+  last_error text,
+  last_failed_at timestamptz,
+  last_succeeded_at timestamptz,
+  created_at timestamptz NOT NULL DEFAULT now(),
+  updated_at timestamptz NOT NULL DEFAULT now(),
+  deleted_at timestamptz
+);
+
+ALTER TABLE IF EXISTS file_storage_channels
+  ADD COLUMN IF NOT EXISTS upload_url text,
+  ADD COLUMN IF NOT EXISTS config jsonb NOT NULL DEFAULT '{}'::jsonb,
+  ADD COLUMN IF NOT EXISTS retry_policy jsonb NOT NULL DEFAULT '{
+    "enabled": true,
+    "maxRetries": 3,
+    "backoffSeconds": [60, 120, 180],
+    "strategy": "exponential"
+  }'::jsonb,
+  ADD COLUMN IF NOT EXISTS priority integer NOT NULL DEFAULT 100,
+  ADD COLUMN IF NOT EXISTS last_error text,
+  ADD COLUMN IF NOT EXISTS last_failed_at timestamptz,
+  ADD COLUMN IF NOT EXISTS last_succeeded_at timestamptz,
+  ADD COLUMN IF NOT EXISTS deleted_at timestamptz;
+
+CREATE INDEX IF NOT EXISTS idx_file_storage_channels_active
+  ON file_storage_channels (status, priority, created_at)
+  WHERE deleted_at IS NULL;
+
+INSERT INTO file_storage_channels (
+  channel_key,
+  name,
+  provider,
+  upload_url,
+  credentials,
+  config,
+  retry_policy,
+  priority,
+  status
+)
+VALUES (
+  'server-main-openapi',
+  'server-main OpenAPI',
+  'server_main_openapi',
+  'http://127.0.0.1:3001/v1/files/upload',
+  '{}'::jsonb,
+  '{"scenes": ["upload", "image_result"]}'::jsonb,
+  '{
+    "enabled": true,
+    "maxRetries": 3,
+    "backoffSeconds": [60, 120, 180],
+    "strategy": "exponential"
+  }'::jsonb,
+  100,
+  'disabled'
+)
+ON CONFLICT (channel_key) DO NOTHING;
--- a/apps/api/migrations/0037_file_storage_settings.sql
+++ b/apps/api/migrations/0037_file_storage_settings.sql
@ -0,0 +1,13 @@
+CREATE TABLE IF NOT EXISTS system_settings (
+  setting_key text PRIMARY KEY,
+  value jsonb NOT NULL DEFAULT '{}'::jsonb,
+  created_at timestamptz NOT NULL DEFAULT now(),
+  updated_at timestamptz NOT NULL DEFAULT now()
+);
+
+INSERT INTO system_settings (setting_key, value)
+VALUES (
+  'file_storage',
+  '{"resultUploadPolicy": "default"}'::jsonb
+)
+ON CONFLICT (setting_key) DO NOTHING;
--- a/apps/web/src/App.tsx
+++ b/apps/web/src/App.tsx
@ -2,6 +2,10 @@ import { useEffect, useMemo, useRef, useState, type FormEvent } from 'react';
 import type {
  BaseModelCatalogItem,
  CatalogProvider,
+  FileStorageChannel,
+  FileStorageSettings,
+  FileStorageSettingsUpdateRequest,
+  FileStorageChannelUpsertRequest,
  GatewayAccessRuleBatchRequest,
  GatewayAccessRule,
  GatewayAccessRuleUpsertRequest,
@ -34,17 +38,21 @@ import {
  batchApiKeyAccessRules,
  createAccessRule,
  createApiKey,
+  createFileStorageChannel,
  createGatewayUser,
  createPlatform,
  createTenant,
  createUserGroup,
  deleteAccessRule,
  deleteApiKey,
+  deleteFileStorageChannel,
  deleteGatewayUser,
  deletePlatform,
  deleteTenant,
  deleteUserGroup,
  getHealth,
+  listFileStorageChannels,
+  getFileStorageSettings,
  getNetworkProxyConfig,
  getRunnerPolicy,
  getWalletSummary,
@ -78,6 +86,8 @@ import {
  setUserWalletBalance,
  type HealthResponse,
  updateAccessRule,
+  updateFileStorageChannel,
+  updateFileStorageSettings,
  updateGatewayUser,
  updatePlatform,
  updatePlatformDynamicPriority,
@ -135,6 +145,8 @@ type DataKey =
  | 'playgroundModels'
  | 'modelCatalog'
  | 'networkProxyConfig'
+  | 'fileStorageChannels'
+  | 'fileStorageSettings'
  | 'platforms'
  | 'models'
  | 'providers'
@ -179,6 +191,8 @@ export function App() {
  });
  const [playgroundModels, setPlaygroundModels] = useState<PlatformModel[]>([]);
  const [networkProxyConfig, setNetworkProxyConfig] = useState<GatewayNetworkProxyConfig | null>(null);
+  const [fileStorageChannels, setFileStorageChannels] = useState<FileStorageChannel[]>([]);
+  const [fileStorageSettings, setFileStorageSettings] = useState<FileStorageSettings | null>(null);
  const [providers, setProviders] = useState<CatalogProvider[]>([]);
  const [baseModels, setBaseModels] = useState<BaseModelCatalogItem[]>([]);
  const [pricingRules, setPricingRules] = useState<PricingRule[]>([]);
@ -296,6 +310,8 @@ export function App() {
    auditLogs,
    apiKeys,
    baseModels,
+    fileStorageChannels,
+    fileStorageSettings,
    modelCatalog,
    models,
    networkProxyConfig,
@ -315,7 +331,7 @@ export function App() {
    users,
    walletAccounts,
    walletTransactions,
-  }), [accessRules, apiKeys, auditLogs, baseModels, modelCatalog, modelRateLimits, modelRateLimitsUpdatedAt, models, networkProxyConfig, platforms, pricingRuleSets, pricingRules, providers, rateLimitWindows, runnerPolicy, runtimePolicySets, taskResult, tasks, tenants, userGroups, users, walletAccounts, walletTransactions]);
+  }), [accessRules, apiKeys, auditLogs, baseModels, fileStorageChannels, fileStorageSettings, modelCatalog, modelRateLimits, modelRateLimitsUpdatedAt, models, networkProxyConfig, platforms, pricingRuleSets, pricingRules, providers, rateLimitWindows, runnerPolicy, runtimePolicySets, taskResult, tasks, tenants, userGroups, users, walletAccounts, walletTransactions]);

  async function refresh(nextToken = token) {
    await ensureRouteData(nextToken, true);
@ -388,6 +404,12 @@ export function App() {
      case 'networkProxyConfig':
        setNetworkProxyConfig(await getNetworkProxyConfig(nextToken));
        return;
+      case 'fileStorageChannels':
+        setFileStorageChannels((await listFileStorageChannels(nextToken)).items);
+        return;
+      case 'fileStorageSettings':
+        setFileStorageSettings(await getFileStorageSettings(nextToken));
+        return;
      case 'playgroundModels':
        setPlaygroundModels((await listPlayableModels(nextToken)).items);
        return;
@ -818,6 +840,53 @@ export function App() {
    }
  }

+  async function saveFileStorageChannel(input: FileStorageChannelUpsertRequest, channelId?: string) {
+    setCoreState('loading');
+    setCoreMessage('');
+    try {
+      const item = channelId
+        ? await updateFileStorageChannel(token, channelId, input)
+        : await createFileStorageChannel(token, input);
+      setFileStorageChannels((current) => [item, ...current.filter((channel) => channel.id !== item.id)]);
+      setCoreState('ready');
+      setCoreMessage(channelId ? '文件存储渠道已更新。' : '文件存储渠道已新增。');
+    } catch (err) {
+      setCoreState('error');
+      setCoreMessage(err instanceof Error ? err.message : channelId ? '更新文件存储渠道失败' : '新增文件存储渠道失败');
+      throw err;
+    }
+  }
+
+  async function saveFileStorageSettings(input: FileStorageSettingsUpdateRequest) {
+    setCoreState('loading');
+    setCoreMessage('');
+    try {
+      const settings = await updateFileStorageSettings(token, input);
+      setFileStorageSettings(settings);
+      setCoreState('ready');
+      setCoreMessage('文件存储全局策略已更新。');
+    } catch (err) {
+      setCoreState('error');
+      setCoreMessage(err instanceof Error ? err.message : '更新文件存储全局策略失败');
+      throw err;
+    }
+  }
+
+  async function removeFileStorageChannel(channelId: string) {
+    setCoreState('loading');
+    setCoreMessage('');
+    try {
+      await deleteFileStorageChannel(token, channelId);
+      setFileStorageChannels((current) => current.filter((channel) => channel.id !== channelId));
+      setCoreState('ready');
+      setCoreMessage('文件存储渠道已删除。');
+    } catch (err) {
+      setCoreState('error');
+      setCoreMessage(err instanceof Error ? err.message : '删除文件存储渠道失败');
+      throw err;
+    }
+  }
+
  async function batchSaveAPIKeyAccessRules(input: GatewayAccessRuleBatchRequest) {
    setCoreState('loading');
    setCoreMessage('');
@ -867,6 +936,7 @@ export function App() {
    setModelCatalog({ items: [], filters: { capabilities: [], providers: [] }, summary: { modelCount: 0, sourceCount: 0 } });
    setPlaygroundModels([]);
    setNetworkProxyConfig(null);
+    setFileStorageChannels([]);
    setProviders([]);
    setBaseModels([]);
    setPricingRules([]);
@ -1039,6 +1109,7 @@ export function App() {
            onDeletePricingRuleSet={removePricingRuleSet}
            onDeleteRuntimePolicySet={removeRuntimePolicySet}
            onDeleteAccessRule={removeAccessRule}
+            onDeleteFileStorageChannel={removeFileStorageChannel}
            onDeleteTenant={removeTenant}
            onDeleteUser={removeUser}
            onDeleteUserGroup={removeUserGroup}
@ -1054,6 +1125,8 @@ export function App() {
            onSaveRuntimePolicySet={saveRuntimePolicySet}
            onBatchAccessRules={batchSaveAccessRules}
            onSaveAccessRule={saveAccessRule}
+            onSaveFileStorageChannel={saveFileStorageChannel}
+            onSaveFileStorageSettings={saveFileStorageSettings}
            onSaveTenant={saveTenant}
            onSaveUser={saveUser}
            onSetUserWalletBalance={saveUserWalletBalance}
@ -1267,6 +1340,8 @@ function dataKeysForRoute(
      return ['auditLogs'];
    case 'accessRules':
      return ['accessRules', 'userGroups', 'platforms', 'models'];
+    case 'systemSettings':
+      return ['fileStorageSettings', 'fileStorageChannels'];
    default:
      return [];
  }
--- a/apps/web/src/api.ts
+++ b/apps/web/src/api.ts
@ -5,6 +5,10 @@ import type {
  CatalogProvider,
  CatalogProviderUpsertRequest,
  CreatedGatewayApiKey,
+  FileStorageChannel,
+  FileStorageSettings,
+  FileStorageSettingsUpdateRequest,
+  FileStorageChannelUpsertRequest,
  GatewayAccessRuleBatchRequest,
  GatewayAccessRule,
  GatewayAccessRuleUpsertRequest,
@ -601,10 +605,17 @@ export async function createImageGenerationTask(
    model: string;
    prompt: string;
    aspect_ratio?: string;
+    content?: Array<Record<string, unknown>>;
    count?: number;
    height?: number;
+    image?: string | string[];
+    image_url?: string | string[];
+    image_urls?: string[];
+    images?: string[];
    n?: number;
    quality?: string;
+    referenceImage?: string | string[];
+    reference_image?: string | string[];
    resolution?: string;
    runMode?: string;
    simulation?: boolean;
@ -622,7 +633,26 @@ export async function createImageGenerationTask(

 export async function createImageEditTask(
  token: string,
-  input: { model: string; prompt: string; image?: string; mask?: string; runMode?: string; simulation?: boolean },
+  input: {
+    model: string;
+    prompt: string;
+    aspect_ratio?: string;
+    content?: Array<Record<string, unknown>>;
+    count?: number;
+    height?: number;
+    image?: string | string[];
+    image_url?: string | string[];
+    image_urls?: string[];
+    images?: string[];
+    mask?: string;
+    n?: number;
+    quality?: string;
+    resolution?: string;
+    runMode?: string;
+    simulation?: boolean;
+    size?: string;
+    width?: number;
+  },
 ): Promise<{ task: GatewayTask; next: Record<string, string> }> {
  return request<{ task: GatewayTask; next: Record<string, string> }>('/api/v1/images/edits', {
    body: input,
@ -636,6 +666,9 @@ export async function createVideoGenerationTask(
  token: string,
  input: {
    audio?: boolean;
+    audioUrl?: string | string[];
+    audio_url?: string | string[];
+    content?: Array<Record<string, unknown>>;
    model: string;
    prompt: string;
    aspect_ratio?: string;
@ -643,12 +676,24 @@ export async function createVideoGenerationTask(
    duration?: number;
    duration_seconds?: number;
    height?: number;
+    image?: string | string[];
+    imageUrl?: string | string[];
+    image_url?: string | string[];
+    imageUrls?: string[];
+    image_urls?: string[];
    n?: number;
    output_audio?: boolean;
+    referenceAudio?: string | string[];
+    referenceVideo?: string | string[];
+    reference_audio?: string | string[];
+    reference_image?: string | string[];
+    reference_video?: string | string[];
    resolution?: string;
    runMode?: string;
    simulation?: boolean;
    size?: string;
+    videoUrl?: string | string[];
+    video_url?: string | string[];
    width?: number;
  },
 ): Promise<{ task: GatewayTask; next: Record<string, string> }> {
@ -660,6 +705,41 @@ export async function createVideoGenerationTask(
  });
 }

+export interface GatewayFileUploadResponse extends Record<string, unknown> {
+  fileUrl?: string;
+  file_url?: string;
+  url?: string;
+}
+
+export async function uploadFileToStorage(
+  token: string,
+  file: File,
+  source = 'ai-gateway-playground',
+): Promise<GatewayFileUploadResponse> {
+  const form = new FormData();
+  form.append('file', file);
+  form.append('source', source);
+
+  const response = await fetch(`${API_BASE}/v1/files/upload`, {
+    body: form,
+    headers: {
+      Authorization: `Bearer ${token}`,
+    },
+    method: 'POST',
+  });
+  const body = await response.text();
+  if (!response.ok) {
+    throw new GatewayApiError(parseErrorDetails(body, response.status, `Request failed: ${response.status}`));
+  }
+  if (!body) return {};
+  try {
+    const parsed = JSON.parse(body) as unknown;
+    return recordFromUnknown(parsed) ? (parsed as GatewayFileUploadResponse) : {};
+  } catch {
+    return { url: body };
+  }
+}
+
 export async function estimatePricing(
  token: string,
  input: Record<string, unknown>,
@ -758,6 +838,55 @@ export async function getNetworkProxyConfig(token: string): Promise<GatewayNetwo
  return request<GatewayNetworkProxyConfig>('/api/admin/config/network-proxy', { token });
 }

+export async function listFileStorageChannels(token: string): Promise<ListResponse<FileStorageChannel>> {
+  return request<ListResponse<FileStorageChannel>>('/api/admin/system/file-storage/channels', { token });
+}
+
+export async function getFileStorageSettings(token: string): Promise<FileStorageSettings> {
+  return request<FileStorageSettings>('/api/admin/system/file-storage/settings', { token });
+}
+
+export async function updateFileStorageSettings(
+  token: string,
+  input: FileStorageSettingsUpdateRequest,
+): Promise<FileStorageSettings> {
+  return request<FileStorageSettings>('/api/admin/system/file-storage/settings', {
+    body: input,
+    method: 'PATCH',
+    token,
+  });
+}
+
+export async function createFileStorageChannel(
+  token: string,
+  input: FileStorageChannelUpsertRequest,
+): Promise<FileStorageChannel> {
+  return request<FileStorageChannel>('/api/admin/system/file-storage/channels', {
+    body: input,
+    method: 'POST',
+    token,
+  });
+}
+
+export async function updateFileStorageChannel(
+  token: string,
+  channelId: string,
+  input: FileStorageChannelUpsertRequest,
+): Promise<FileStorageChannel> {
+  return request<FileStorageChannel>(`/api/admin/system/file-storage/channels/${channelId}`, {
+    body: input,
+    method: 'PATCH',
+    token,
+  });
+}
+
+export async function deleteFileStorageChannel(token: string, channelId: string): Promise<void> {
+  await request<void>(`/api/admin/system/file-storage/channels/${channelId}`, {
+    method: 'DELETE',
+    token,
+  });
+}
+
 async function request<T>(
  path: string,
  options: { token?: string; auth?: boolean; method?: string; body?: unknown; headers?: Record<string, string> } = {},
--- a/apps/web/src/app-state.ts
+++ b/apps/web/src/app-state.ts
@ -1,6 +1,8 @@
 import type {
  BaseModelCatalogItem,
  CatalogProvider,
+  FileStorageChannel,
+  FileStorageSettings,
  GatewayAccessRule,
  GatewayApiKey,
  GatewayAuditLog,
@ -27,6 +29,8 @@ export interface ConsoleData {
  auditLogs: GatewayAuditLog[];
  apiKeys: GatewayApiKey[];
  baseModels: BaseModelCatalogItem[];
+  fileStorageChannels: FileStorageChannel[];
+  fileStorageSettings: FileStorageSettings | null;
  modelCatalog: ModelCatalogResponse;
  models: PlatformModel[];
  networkProxyConfig: GatewayNetworkProxyConfig | null;
--- a/apps/web/src/pages/AdminPage.tsx
+++ b/apps/web/src/pages/AdminPage.tsx
@ -1,8 +1,10 @@
 import type { ReactNode } from 'react';
-import { Boxes, Building2, Gauge, History, KeyRound, Route, ServerCog, ShieldCheck, UsersRound, Workflow } from 'lucide-react';
+import { Boxes, Building2, Gauge, History, KeyRound, Route, ServerCog, Settings, ShieldCheck, UsersRound, Workflow } from 'lucide-react';
 import type {
  BaseModelUpsertRequest,
  CatalogProviderUpsertRequest,
+  FileStorageChannelUpsertRequest,
+  FileStorageSettingsUpdateRequest,
  GatewayAccessRuleBatchRequest,
  GatewayAccessRuleUpsertRequest,
  GatewayTenantUpsertRequest,
@ -29,6 +31,7 @@ import { PricingRulesPanel } from './admin/PricingRulesPanel';
 import { ProviderManagementPanel } from './admin/ProviderManagementPanel';
 import { RealtimeLoadPanel } from './admin/RealtimeLoadPanel';
 import { RuntimePoliciesPanel } from './admin/RuntimePoliciesPanel';
+import { SystemSettingsPanel } from './admin/SystemSettingsPanel';

 const tabs = [
  { value: 'overview', label: '总览', icon: <Workflow size={15} /> },
@ -42,6 +45,7 @@ const tabs = [
  { value: 'users', label: '用户', icon: <UsersRound size={15} /> },
  { value: 'userGroups', label: '用户组', icon: <UsersRound size={15} /> },
  { value: 'accessRules', label: '模型权限', icon: <KeyRound size={15} /> },
+  { value: 'systemSettings', label: '系统设置', icon: <Settings size={15} /> },
  { value: 'auditLogs', label: '审计日志', icon: <History size={15} /> },
 ] satisfies Array<{ value: AdminSection; label: string; icon: ReactNode }>;

@ -57,6 +61,7 @@ export function AdminPage(props: {
  onDeletePricingRuleSet: (ruleSetId: string) => Promise<void>;
  onDeleteRuntimePolicySet: (policySetId: string) => Promise<void>;
  onDeleteAccessRule: (ruleId: string) => Promise<void>;
+  onDeleteFileStorageChannel: (channelId: string) => Promise<void>;
  onDeleteTenant: (tenantId: string) => Promise<void>;
  onDeleteUser: (userId: string) => Promise<void>;
  onDeleteUserGroup: (groupId: string) => Promise<void>;
@ -72,6 +77,8 @@ export function AdminPage(props: {
  onSaveRunnerPolicy: (input: GatewayRunnerPolicyUpsertRequest) => Promise<void>;
  onSaveRuntimePolicySet: (input: RuntimePolicySetUpsertRequest, policySetId?: string) => Promise<void>;
  onSaveAccessRule: (input: GatewayAccessRuleUpsertRequest, ruleId?: string) => Promise<void>;
+  onSaveFileStorageChannel: (input: FileStorageChannelUpsertRequest, channelId?: string) => Promise<void>;
+  onSaveFileStorageSettings: (input: FileStorageSettingsUpdateRequest) => Promise<void>;
  onSaveTenant: (input: GatewayTenantUpsertRequest, tenantId?: string) => Promise<void>;
  onSaveUser: (input: GatewayUserUpsertRequest, userId?: string) => Promise<void>;
  onSetUserWalletBalance: (userId: string, input: WalletBalanceAdjustmentRequest) => Promise<void>;
@ -172,6 +179,17 @@ export function AdminPage(props: {
          {props.section === 'users' && <UsersPanel {...identityPanelProps(props)} />}
          {props.section === 'userGroups' && <UserGroupsPanel {...identityPanelProps(props)} />}
          {props.section === 'auditLogs' && <AuditLogsPanel auditLogs={props.data.auditLogs} message={props.operationMessage} />}
+          {props.section === 'systemSettings' && (
+            <SystemSettingsPanel
+              channels={props.data.fileStorageChannels}
+              settings={props.data.fileStorageSettings}
+              message={props.operationMessage}
+              state={props.state}
+              onDeleteFileStorageChannel={props.onDeleteFileStorageChannel}
+              onSaveFileStorageChannel={props.onSaveFileStorageChannel}
+              onSaveFileStorageSettings={props.onSaveFileStorageSettings}
+            />
+          )}
        </div>
      </div>
    </div>
--- a/apps/web/src/pages/ApiDocsPage.tsx
+++ b/apps/web/src/pages/ApiDocsPage.tsx
@ -34,6 +34,7 @@ export function ApiDocsPage(props: {
  onTaskFormChange: (value: TaskForm) => void;
 }) {
  const current = docs.find((item) => item.key === props.activeDocSection) ?? docs[0];
+  const isFileDoc = current.key === 'files';
  const bodyExample = useMemo(() => requestBodyExample(props.taskForm), [props.taskForm]);

  function handleSubmit(event: FormEvent<HTMLFormElement>) {
@ -87,7 +88,7 @@ export function ApiDocsPage(props: {
            <h2>Header 参数</h2>
            <Button type="button" variant="secondary" size="sm">生成代码</Button>
          </header>
-          <ParamRow name="Content-Type" type="string" required value="application/json" />
+          <ParamRow name="Content-Type" type="string" required value={isFileDoc ? 'multipart/form-data' : 'application/json'} />
          <ParamRow name="Accept" type="string" required value="application/json" />
          <ParamRow name="Authorization" type="string" value="Bearer {{YOUR_API_KEY}}" />
        </section>
@ -97,10 +98,19 @@ export function ApiDocsPage(props: {
            <h2>Body 参数</h2>
            <Badge variant="outline">application/json</Badge>
          </header>
-          <ParamRow name="model" type="string" required value="模型 ID 或别名" />
-          <ParamRow name="messages / prompt" type="array|string" required value="对话消息或图片提示词" />
-          <ParamRow name="simulation" type="boolean" value="测试模式开关" />
-          <ParamRow name="stream" type="boolean" value="对话进度流式返回" />
+          {isFileDoc ? (
+            <>
+              <ParamRow name="file" type="file" required value="multipart 文件字段" />
+              <ParamRow name="source" type="string" value="上传来源标记" />
+            </>
+          ) : (
+            <>
+              <ParamRow name="model" type="string" required value="模型 ID 或别名" />
+              <ParamRow name="messages / prompt" type="array|string" required value="对话消息或图片提示词" />
+              <ParamRow name="simulation" type="boolean" value="测试模式开关" />
+              <ParamRow name="stream" type="boolean" value="对话进度流式返回" />
+            </>
+          )}
        </section>
      </main>

--- a/apps/web/src/pages/PlaygroundPage.tsx
+++ b/apps/web/src/pages/PlaygroundPage.tsx
@ -19,9 +19,9 @@ import { code } from '@streamdown/code';
 import { math } from '@streamdown/math';
 import { mermaid } from '@streamdown/mermaid';
 import type { GatewayApiKey, GatewayTask, PlatformModel } from '@easyai-ai-gateway/contracts';
-import { Bot, ChevronDown, Image as ImageIcon, MessageSquarePlus, Paperclip, Send, Sparkles, Video } from 'lucide-react';
+import { Bot, ChevronDown, FileText, Image as ImageIcon, LoaderCircle, MessageSquarePlus, Music2, Paperclip, Send, Sparkles, Video, X } from 'lucide-react';
 import { Badge, Button, Select, Textarea } from '../components/ui';
-import { GatewayApiError, createImageGenerationTask, createVideoGenerationTask, pollTaskUntilSettled, streamChatCompletionText, taskIsPending } from '../api';
+import { GatewayApiError, createImageEditTask, createImageGenerationTask, createVideoGenerationTask, pollTaskUntilSettled, streamChatCompletionText, taskIsPending, uploadFileToStorage } from '../api';
 import type { PlaygroundMode } from '../types';
 import {
  defaultMediaGenerationSettings,
@ -58,6 +58,18 @@ interface ModelOption {
  value: string;
 }

+type PlaygroundUploadKind = 'audio' | 'file' | 'image' | 'video';
+
+interface PlaygroundUpload {
+  contentType: string;
+  id: string;
+  kind: PlaygroundUploadKind;
+  name: string;
+  raw: Record<string, unknown>;
+  size: number;
+  url: string;
+}
+
 const modeOptions: Array<{ description: string; icon: ReactNode; label: string; value: PlaygroundMode }> = [
  { value: 'chat', label: '大模型对话', description: '对话、推理、结构化输出', icon: <Bot size={16} /> },
  { value: 'image', label: '图像生成', description: '文生图、图像编辑参数预览', icon: <ImageIcon size={16} /> },
@ -82,6 +94,35 @@ const quickPrompts: Record<PlaygroundMode, string[]> = {
  video: ['5 秒运镜', '首帧转视频', '宣传短片'],
 };

+const mediaUploadAccept = 'image/*,video/*,audio/*';
+const chatUploadAccept = [
+  mediaUploadAccept,
+  '.csv',
+  '.doc',
+  '.docx',
+  '.json',
+  '.jsonl',
+  '.md',
+  '.markdown',
+  '.pdf',
+  '.ppt',
+  '.pptx',
+  '.txt',
+  '.xls',
+  '.xlsx',
+  '.yaml',
+  '.yml',
+  'application/json',
+  'application/msword',
+  'application/pdf',
+  'application/vnd.ms-excel',
+  'application/vnd.ms-powerpoint',
+  'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+  'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+  'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+  'text/*',
+].join(',');
+
 const publicWorks = [
  { title: '雨夜霓虹街区', type: '图像生成', image: 'https://picsum.photos/seed/easyai-neon-city/720/960' },
  { title: '玻璃温室晨光', type: '图像生成', image: 'https://picsum.photos/seed/easyai-glasshouse/720/540' },
@ -119,13 +160,17 @@ export function PlaygroundPage(props: {
  const [mediaSettings, setMediaSettings] = useState(defaultMediaGenerationSettings);
  const [mediaRuns, setMediaRuns] = useState<MediaGenerationRun[]>(readStoredMediaRuns);
  const [mediaMessage, setMediaMessage] = useState('');
+  const [mediaUploadMessage, setMediaUploadMessage] = useState('');
+  const [mediaUploads, setMediaUploads] = useState<PlaygroundUpload[]>([]);
+  const [mediaUploading, setMediaUploading] = useState(false);
  const isMountedRef = useRef(false);
  const pendingMediaModelRef = useRef('');
  const resumedTaskIdsRef = useRef(new Set<string>());
  const activeMode = useMemo(() => modeOptions.find((item) => item.value === props.mode) ?? modeOptions[0], [props.mode]);
+  const effectiveImageHasReference = imageHasReference || (props.mode === 'image' && mediaUploads.some((item) => item.kind === 'image'));
  const modelOptions = useMemo(
-    () => buildModelOptions(filterModelsForMode(props.models, props.mode, imageHasReference, videoMode)),
-    [imageHasReference, props.mode, props.models, videoMode],
+    () => buildModelOptions(filterModelsForMode(props.models, props.mode, effectiveImageHasReference, videoMode)),
+    [effectiveImageHasReference, props.mode, props.models, videoMode],
  );
  const activeApiKeyId = resolveSelectedApiKeyId(props.apiKeys, props.apiKeySecretsById, props.selectedApiKeyId);
  const activeApiKeySecret = activeApiKeyId ? props.apiKeySecretsById[activeApiKeyId] ?? '' : '';
@ -170,6 +215,38 @@ export function PlaygroundPage(props: {
    writeStoredMediaRuns(mediaRuns);
  }, [mediaRuns]);

+  async function uploadMediaFiles(files: File[]) {
+    if (!files.length) return;
+    const credential = activeApiKeySecret || props.token;
+    if (!props.token) {
+      props.onLogin();
+      return;
+    }
+    if (!credential) {
+      setMediaUploadMessage('请选择可用于测试的 API Key 后再上传。');
+      return;
+    }
+    setMediaUploading(true);
+    setMediaUploadMessage('');
+    try {
+      const { items, warnings } = await uploadPlaygroundFiles(credential, files, {
+        allowFiles: false,
+        source: `ai-gateway-playground-${props.mode}`,
+      });
+      if (items.length) {
+        setMediaUploads((current) => [...current, ...items]);
+        if (props.mode === 'image' && items.some((item) => item.kind === 'image')) {
+          setImageHasReference(true);
+        }
+      }
+      setMediaUploadMessage(warnings[0] ?? (items.length ? `已上传 ${items.length} 个参考素材。` : ''));
+    } catch (err) {
+      setMediaUploadMessage(err instanceof Error ? err.message : '文件上传失败');
+    } finally {
+      setMediaUploading(false);
+    }
+  }
+
  useEffect(() => {
    const credential = activeApiKeySecret || props.token;
    if (!credential) return;
@ -227,6 +304,7 @@ export function PlaygroundPage(props: {
    }

    const localId = newLocalId();
+    const runUploads = overrides ? [] : mediaUploads;
    const modelLabel = modelOptions.find((item) => item.value === runModel)?.label ?? runModel;
    const run: MediaGenerationRun = {
      createdAt: new Date().toISOString(),
@ -242,15 +320,24 @@ export function PlaygroundPage(props: {
    setMediaRuns((current) => [...current, run]);
    setMediaMessage('');
    try {
+      const uploadPayload = mediaUploadRequestPayload(runUploads, runMode);
      const requestPayload = {
        model: runModel,
-        prompt: trimmedPrompt,
+        prompt: promptWithUploadSummary(trimmedPrompt, runUploads),
        ...mediaRequestPayload(runSettings, runMode),
+        ...uploadPayload,
      };
      const response = runMode === 'video'
        ? await createVideoGenerationTask(credential, requestPayload)
-        : await createImageGenerationTask(credential, requestPayload);
+        : runUploads.some((item) => item.kind === 'image')
+          ? await createImageEditTask(credential, requestPayload)
+          : await createImageGenerationTask(credential, requestPayload);
      setMediaRuns((current) => updateMediaRun(current, localId, { status: response.task.status, task: response.task }));
+      if (!overrides) {
+        setMediaUploads([]);
+        setMediaUploadMessage('');
+        setImageHasReference(false);
+      }
      void pollMediaRunUntilSettled(credential, localId, response.task);
    } catch (err) {
      const errorMessage = err instanceof Error ? err.message : '生成任务提交失败';
@ -325,9 +412,13 @@ export function PlaygroundPage(props: {
      prompt={prompt}
      selectedApiKeyId={activeApiKeyId}
      selectedModel={selectedModel}
-      imageHasReference={imageHasReference}
+      imageHasReference={effectiveImageHasReference}
      mediaSettings={mediaSettings}
      mediaCapabilities={mediaCapabilities}
+      uploadAccept={mediaUploadAccept}
+      uploadMessage={mediaUploadMessage}
+      uploads={mediaUploads}
+      uploading={mediaUploading}
      videoMode={videoMode}
      onApiKeyChange={props.onApiKeyChange}
      onCreateApiKey={props.onCreateApiKey}
@ -336,7 +427,15 @@ export function PlaygroundPage(props: {
      onModeChange={props.onModeChange}
      onModelChange={setSelectedModel}
      onPromptChange={setPrompt}
+      onRemoveUpload={(id) => setMediaUploads((current) => {
+        const next = current.filter((item) => item.id !== id);
+        if (!next.some((item) => item.kind === 'image')) {
+          setImageHasReference(false);
+        }
+        return next;
+      })}
      onSubmit={() => void submitMediaTask()}
+      onUploadFiles={(files) => void uploadMediaFiles(files)}
      onVideoModeChange={setVideoMode}
    />
  );
@ -491,6 +590,42 @@ function AssistantChatPlayground(props: {
  const canRun = Boolean(props.token && props.selectedModel && activeApiKeySecret);
  const apiKeyNotice = apiKeyNoticeText(props.apiKeys, props.apiKeySecretsById);
  const initialMessages = useMemo(() => readStoredChatMessages(), []);
+  const [chatUploadMessage, setChatUploadMessage] = useState('');
+  const [chatUploads, setChatUploads] = useState<PlaygroundUpload[]>([]);
+  const [chatUploading, setChatUploading] = useState(false);
+  const chatUploadsRef = useRef(chatUploads);
+  useEffect(() => {
+    chatUploadsRef.current = chatUploads;
+  }, [chatUploads]);
+
+  async function uploadChatFiles(files: File[]) {
+    if (!files.length) return;
+    if (!props.token) {
+      props.onLogin();
+      return;
+    }
+    if (!activeApiKeySecret) {
+      setChatUploadMessage('请选择可用于测试的 API Key 后再上传。');
+      return;
+    }
+    setChatUploading(true);
+    setChatUploadMessage('');
+    try {
+      const { items, warnings } = await uploadPlaygroundFiles(activeApiKeySecret, files, {
+        allowFiles: true,
+        source: 'ai-gateway-playground-chat',
+      });
+      if (items.length) {
+        setChatUploads((current) => [...current, ...items]);
+      }
+      setChatUploadMessage(warnings[0] ?? (items.length ? `已上传 ${items.length} 个附件。` : ''));
+    } catch (err) {
+      setChatUploadMessage(err instanceof Error ? err.message : '文件上传失败');
+    } finally {
+      setChatUploading(false);
+    }
+  }
+
  const adapter = useMemo<ChatModelAdapter>(() => ({
    async *run({ abortSignal, messages }) {
      if (!props.token) {
@ -503,11 +638,17 @@ function AssistantChatPlayground(props: {
      if (!props.selectedModel) {
        throw new GatewayApiError('当前没有可用的大模型，请确认用户组权限或平台模型配置。');
      }
+      const requestUploads = chatUploadsRef.current;
+      if (requestUploads.length) {
+        chatUploadsRef.current = [];
+        setChatUploads([]);
+        setChatUploadMessage('');
+      }
      let text = '';
      for await (const delta of streamChatCompletionText(
        activeApiKeySecret,
        {
-          messages: toGatewayChatMessages(messages),
+          messages: toGatewayChatMessages(messages, requestUploads),
          model: props.selectedModel,
        },
        abortSignal,
@ -541,10 +682,16 @@ function AssistantChatPlayground(props: {
              selectedModel={props.selectedModel}
              token={props.token}
              activeApiKeySecret={activeApiKeySecret}
+              uploadAccept={chatUploadAccept}
+              uploadMessage={chatUploadMessage}
+              uploads={chatUploads}
+              uploading={chatUploading}
              onApiKeyChange={props.onApiKeyChange}
              onCreateApiKey={props.onCreateApiKey}
              onModeChange={props.onModeChange}
              onModelChange={props.onModelChange}
+              onRemoveUpload={(id) => setChatUploads((current) => current.filter((item) => item.id !== id))}
+              onUploadFiles={(files) => void uploadChatFiles(files)}
            />
          </div>
        </ThreadPrimitive.Empty>
@ -573,10 +720,16 @@ function AssistantChatPlayground(props: {
                  placeholder={assistantPlaceholder(props.token, props.selectedModel, activeApiKeySecret)}
                  selectedApiKeyId={activeApiKeyId}
                  selectedModel={props.selectedModel}
+                  uploadAccept={chatUploadAccept}
+                  uploadMessage={chatUploadMessage}
+                  uploads={chatUploads}
+                  uploading={chatUploading}
                  onApiKeyChange={props.onApiKeyChange}
                  onCreateApiKey={props.onCreateApiKey}
                  onModeChange={props.onModeChange}
                  onModelChange={props.onModelChange}
+                  onRemoveUpload={(id) => setChatUploads((current) => current.filter((item) => item.id !== id))}
+                  onUploadFiles={(files) => void uploadChatFiles(files)}
                />
              </ThreadPrimitive.ViewportFooter>
            </ThreadPrimitive.Viewport>
@ -645,10 +798,16 @@ function AssistantEmptyState(props: {
  selectedApiKeyId: string;
  selectedModel: string;
  token: string;
+  uploadAccept: string;
+  uploadMessage: string;
+  uploads: PlaygroundUpload[];
+  uploading: boolean;
  onApiKeyChange: (apiKeyId: string) => void;
  onCreateApiKey: () => void;
  onModeChange: (mode: PlaygroundMode) => void;
  onModelChange: (value: string) => void;
+  onRemoveUpload: (id: string) => void;
+  onUploadFiles: (files: File[]) => void;
 }) {
  const activeMode = modeOptions.find((item) => item.value === 'chat') ?? modeOptions[0];
  const placeholder = props.canRun ? placeholderByMode.chat : assistantPlaceholder(props.token, props.selectedModel, props.activeApiKeySecret);
@ -666,10 +825,16 @@ function AssistantEmptyState(props: {
        placeholder={placeholder}
        selectedApiKeyId={props.selectedApiKeyId}
        selectedModel={props.selectedModel}
+        uploadAccept={props.uploadAccept}
+        uploadMessage={props.uploadMessage}
+        uploads={props.uploads}
+        uploading={props.uploading}
        onApiKeyChange={props.onApiKeyChange}
        onCreateApiKey={props.onCreateApiKey}
        onModeChange={props.onModeChange}
        onModelChange={props.onModelChange}
+        onRemoveUpload={props.onRemoveUpload}
+        onUploadFiles={props.onUploadFiles}
      />
    </div>
  );
@ -685,24 +850,41 @@ function AssistantChatComposer(props: {
  placeholder: string;
  selectedApiKeyId: string;
  selectedModel: string;
+  uploadAccept?: string;
+  uploadMessage?: string;
+  uploads?: PlaygroundUpload[];
+  uploading?: boolean;
  onApiKeyChange: (apiKeyId: string) => void;
  onCreateApiKey: () => void;
  onModeChange: (mode: PlaygroundMode) => void;
  onModelChange: (value: string) => void;
+  onRemoveUpload?: (id: string) => void;
+  onUploadFiles?: (files: File[]) => void;
 }) {
  const className = ['playgroundComposer', 'assistantChatComposer', props.docked ? 'assistantDockComposer' : 'assistantEmptyComposer'].join(' ');

  return (
    <ComposerPrimitive.Root className={className}>
      <div className="composerBody">
-        <button type="button" className="composerUpload" aria-label="上传参考" disabled>
-          <Paperclip size={18} />
-        </button>
-        <ComposerPrimitive.Input
-          className="assistantEmptyInput"
-          disabled={!props.canRun}
-          placeholder={props.placeholder}
+        <ComposerUploadButton
+          accept={props.uploadAccept ?? chatUploadAccept}
+          active={Boolean(props.uploads?.length)}
+          disabled={!props.canRun || !props.onUploadFiles}
+          uploading={props.uploading}
+          onFiles={props.onUploadFiles}
        />
+        <div className="composerInputStack">
+          <ComposerPrimitive.Input
+            className="assistantEmptyInput"
+            disabled={!props.canRun}
+            placeholder={props.placeholder}
+          />
+          <UploadAttachmentList
+            message={props.uploadMessage}
+            uploads={props.uploads ?? []}
+            onRemove={props.onRemoveUpload}
+          />
+        </div>
      </div>
      <div className="composerFooter">
        <Select value="chat" onChange={(event) => props.onModeChange(event.target.value as PlaygroundMode)}>
@ -780,14 +962,25 @@ function AssistantMarkdownText() {
  );
 }

-function toGatewayChatMessages(messages: readonly ThreadMessage[]) {
-  return messages
+function toGatewayChatMessages(messages: readonly ThreadMessage[], uploads: PlaygroundUpload[] = []) {
+  const gatewayMessages = messages
    .filter((message) => message.role === 'user' || message.role === 'assistant')
    .map((message) => ({
      content: threadMessageText(message),
      role: message.role,
    }))
    .filter((message) => message.content.trim().length > 0);
+  let lastUserIndex = -1;
+  gatewayMessages.forEach((message, index) => {
+    if (message.role === 'user') lastUserIndex = index;
+  });
+  if (lastUserIndex >= 0 && uploads.length) {
+    gatewayMessages[lastUserIndex] = {
+      ...gatewayMessages[lastUserIndex],
+      content: promptWithUploadSummary(gatewayMessages[lastUserIndex].content, uploads),
+    };
+  }
+  return gatewayMessages;
 }

 function threadMessageText(message: ThreadMessage) {
@ -914,6 +1107,10 @@ function Composer(props: {
  prompt: string;
  selectedApiKeyId?: string;
  selectedModel?: string;
+  uploadAccept?: string;
+  uploadMessage?: string;
+  uploads?: PlaygroundUpload[];
+  uploading?: boolean;
  videoMode?: VideoCreateMode;
  onApiKeyChange?: (apiKeyId: string) => void;
  onCreateApiKey?: () => void;
@ -922,7 +1119,9 @@ function Composer(props: {
  onModeChange: (mode: PlaygroundMode) => void;
  onModelChange: (value: string) => void;
  onPromptChange: (value: string) => void;
+  onRemoveUpload?: (id: string) => void;
  onSubmit?: () => void;
+  onUploadFiles?: (files: File[]) => void;
  onVideoModeChange?: (value: VideoCreateMode) => void;
 }) {
  const quickItems = quickPrompts[props.mode];
@ -930,21 +1129,26 @@ function Composer(props: {
  return (
    <div className={props.compact ? 'playgroundComposer compact' : 'playgroundComposer'}>
      <div className="composerBody">
-        <button
-          type="button"
-          className="composerUpload"
-          aria-label="上传参考"
-          data-active={props.imageHasReference === true}
-          onClick={() => props.mode === 'image' && props.onImageReferenceChange?.(!props.imageHasReference)}
-        >
-          <Paperclip size={18} />
-        </button>
-        <Textarea
-          size={props.compact ? 'sm' : 'md'}
-          value={props.prompt}
-          placeholder={placeholderByMode[props.mode]}
-          onChange={(event) => props.onPromptChange(event.target.value)}
+        <ComposerUploadButton
+          accept={props.uploadAccept ?? mediaUploadAccept}
+          active={Boolean(props.uploads?.length) || props.imageHasReference === true}
+          disabled={!props.onUploadFiles}
+          uploading={props.uploading}
+          onFiles={props.onUploadFiles}
        />
+        <div className="composerInputStack">
+          <Textarea
+            size={props.compact ? 'sm' : 'md'}
+            value={props.prompt}
+            placeholder={placeholderByMode[props.mode]}
+            onChange={(event) => props.onPromptChange(event.target.value)}
+          />
+          <UploadAttachmentList
+            message={props.uploadMessage}
+            uploads={props.uploads ?? []}
+            onRemove={props.onRemoveUpload}
+          />
+        </div>
      </div>
      <div className="composerFooter">
        <Select value={props.mode} onChange={(event) => props.onModeChange(event.target.value as PlaygroundMode)}>
@ -992,6 +1196,81 @@ function Composer(props: {
  );
 }

+function ComposerUploadButton(props: {
+  accept: string;
+  active?: boolean;
+  disabled?: boolean;
+  uploading?: boolean;
+  onFiles?: (files: File[]) => void;
+}) {
+  const inputRef = useRef<HTMLInputElement>(null);
+  const disabled = props.disabled || props.uploading;
+
+  return (
+    <>
+      <button
+        type="button"
+        className="composerUpload"
+        aria-label="上传附件"
+        data-active={props.active === true}
+        disabled={disabled}
+        onClick={() => inputRef.current?.click()}
+      >
+        {props.uploading ? <LoaderCircle className="composerUploadSpinner" size={18} /> : <Paperclip size={18} />}
+      </button>
+      <input
+        ref={inputRef}
+        type="file"
+        multiple
+        hidden
+        accept={props.accept}
+        disabled={disabled}
+        onChange={(event) => {
+          const files = Array.from(event.currentTarget.files ?? []);
+          event.currentTarget.value = '';
+          props.onFiles?.(files);
+        }}
+      />
+    </>
+  );
+}
+
+function UploadAttachmentList(props: {
+  message?: string;
+  uploads: PlaygroundUpload[];
+  onRemove?: (id: string) => void;
+}) {
+  if (!props.uploads.length && !props.message) return null;
+  return (
+    <div className="composerUploadArea">
+      {props.uploads.length > 0 && (
+        <div className="composerUploadList">
+          {props.uploads.map((item) => (
+            <span className="composerUploadChip" key={item.id} title={`${item.name} · ${item.url}`}>
+              {uploadKindIcon(item.kind)}
+              <span>{item.name}</span>
+              <small>{formatFileSize(item.size)}</small>
+              {props.onRemove && (
+                <button type="button" aria-label={`移除 ${item.name}`} onClick={() => props.onRemove?.(item.id)}>
+                  <X size={13} />
+                </button>
+              )}
+            </span>
+          ))}
+        </div>
+      )}
+      {props.message && <div className="composerUploadMessage">{props.message}</div>}
+    </div>
+  );
+}
+
+function uploadKindIcon(kind: PlaygroundUploadKind) {
+  if (kind === 'image') return <ImageIcon size={14} />;
+  if (kind === 'video') return <Video size={14} />;
+  if (kind === 'audio') return <Music2 size={14} />;
+  return <FileText size={14} />;
+}
+
 function ApiKeySelect(props: {
  apiKeySecretsById: Record<string, string>;
  apiKeys: GatewayApiKey[];
@ -1019,6 +1298,154 @@ function ApiKeySelect(props: {
  );
 }

+async function uploadPlaygroundFiles(
+  token: string,
+  files: File[],
+  options: { allowFiles: boolean; source: string },
+): Promise<{ items: PlaygroundUpload[]; warnings: string[] }> {
+  const accepted: Array<{ file: File; kind: PlaygroundUploadKind }> = [];
+  const warnings: string[] = [];
+  files.forEach((file) => {
+    const kind = acceptedUploadKind(file, options.allowFiles);
+    if (!kind) {
+      warnings.push(options.allowFiles
+        ? `已跳过 ${file.name}，聊天仅支持图片、视频、音频和常见文档。`
+        : `已跳过 ${file.name}，当前场景仅支持图片、视频和音频。`);
+      return;
+    }
+    accepted.push({ file, kind });
+  });
+  if (!accepted.length) return { items: [], warnings };
+  const items = await Promise.all(accepted.map(async ({ file, kind }) => {
+    const response = await uploadFileToStorage(token, file, options.source);
+    const url = uploadResponseUrl(response);
+    if (!url) {
+      throw new Error(`${file.name} 上传成功，但网关没有返回可用文件 URL。`);
+    }
+    return {
+      contentType: file.type || '',
+      id: newLocalId(),
+      kind,
+      name: file.name || '未命名文件',
+      raw: response,
+      size: file.size,
+      url,
+    };
+  }));
+  return { items, warnings };
+}
+
+function acceptedUploadKind(file: File, allowFiles: boolean): PlaygroundUploadKind | undefined {
+  const mime = file.type.toLowerCase();
+  const extension = fileExtension(file.name);
+  if (mime.startsWith('image/') || imageExtensions.has(extension)) return 'image';
+  if (mime.startsWith('video/') || videoExtensions.has(extension)) return 'video';
+  if (mime.startsWith('audio/') || audioExtensions.has(extension)) return 'audio';
+  if (allowFiles && (documentExtensions.has(extension) || documentMimes.has(mime))) return 'file';
+  return undefined;
+}
+
+const imageExtensions = new Set(['avif', 'bmp', 'gif', 'heic', 'heif', 'jpeg', 'jpg', 'png', 'svg', 'tif', 'tiff', 'webp']);
+const videoExtensions = new Set(['avi', 'm4v', 'mkv', 'mov', 'mp4', 'mpeg', 'mpg', 'webm']);
+const audioExtensions = new Set(['aac', 'flac', 'm4a', 'mp3', 'oga', 'ogg', 'opus', 'wav', 'weba']);
+const documentExtensions = new Set(['csv', 'doc', 'docx', 'json', 'jsonl', 'md', 'markdown', 'pdf', 'ppt', 'pptx', 'txt', 'xls', 'xlsx', 'yaml', 'yml']);
+const documentMimes = new Set([
+  'application/json',
+  'application/msword',
+  'application/pdf',
+  'application/vnd.ms-excel',
+  'application/vnd.ms-powerpoint',
+  'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+  'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+  'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+  'text/csv',
+  'text/markdown',
+  'text/plain',
+  'text/yaml',
+]);
+
+function fileExtension(name: string) {
+  const index = name.lastIndexOf('.');
+  return index >= 0 ? name.slice(index + 1).toLowerCase() : '';
+}
+
+function uploadResponseUrl(response: Record<string, unknown>) {
+  const data = recordFromUnknown(response.data);
+  const file = recordFromUnknown(response.file);
+  const result = recordFromUnknown(response.result);
+  return firstString(
+    response.url,
+    response.fileUrl,
+    response.file_url,
+    response.objectUrl,
+    response.object_url,
+    response.downloadUrl,
+    response.download_url,
+    data?.url,
+    data?.fileUrl,
+    data?.file_url,
+    file?.url,
+    file?.fileUrl,
+    file?.file_url,
+    result?.url,
+    result?.fileUrl,
+    result?.file_url,
+  );
+}
+
+function promptWithUploadSummary(prompt: string, uploads: PlaygroundUpload[]) {
+  if (!uploads.length) return prompt;
+  const lines = uploads.map((item) => `- ${uploadKindLabel(item.kind)} ${item.name}: ${item.url}`);
+  return `${prompt}\n\n参考附件：\n${lines.join('\n')}`;
+}
+
+function mediaUploadRequestPayload(uploads: PlaygroundUpload[], mode: Exclude<PlaygroundMode, 'chat'>) {
+  const images = uploads.filter((item) => item.kind === 'image').map((item) => item.url);
+  const videos = uploads.filter((item) => item.kind === 'video').map((item) => item.url);
+  const audios = uploads.filter((item) => item.kind === 'audio').map((item) => item.url);
+  const payload: Record<string, string | string[]> = {};
+  if (mode === 'image') {
+    if (images.length) {
+      payload.image = singleOrMany(images);
+      payload.images = images;
+    }
+    return payload;
+  }
+  if (images.length) {
+    payload.image = singleOrMany(images);
+    payload.image_url = images[0];
+    payload.images = images;
+    payload.reference_image = singleOrMany(images);
+  }
+  if (videos.length) {
+    payload.reference_video = singleOrMany(videos);
+    payload.video_url = videos[0];
+  }
+  if (audios.length) {
+    payload.reference_audio = singleOrMany(audios);
+    payload.audio_url = audios[0];
+  }
+  return payload;
+}
+
+function singleOrMany(values: string[]) {
+  return values.length === 1 ? values[0] : values;
+}
+
+function uploadKindLabel(kind: PlaygroundUploadKind) {
+  if (kind === 'image') return '图片';
+  if (kind === 'video') return '视频';
+  if (kind === 'audio') return '音频';
+  return '文件';
+}
+
+function formatFileSize(size: number) {
+  if (!Number.isFinite(size) || size <= 0) return '';
+  if (size < 1024) return `${size} B`;
+  if (size < 1024 * 1024) return `${(size / 1024).toFixed(1)} KB`;
+  return `${(size / 1024 / 1024).toFixed(1)} MB`;
+}
+
 function filterModelsForMode(models: PlatformModel[], mode: PlaygroundMode, hasReference: boolean, videoMode: VideoCreateMode) {
  if (mode === 'chat') {
    return filterWithFallback(models, ['text_generate', 'chat', 'responses', 'text']);
--- a/apps/web/src/pages/admin/SystemSettingsPanel.tsx
+++ b/apps/web/src/pages/admin/SystemSettingsPanel.tsx
@ -0,0 +1,444 @@
+import { useEffect, useState, type FormEvent } from 'react';
+import { Database, Pencil, Plus, RotateCcw, Save, ServerCog, Trash2 } from 'lucide-react';
+import type { FileStorageChannel, FileStorageChannelUpsertRequest, FileStorageSettings, FileStorageSettingsUpdateRequest } from '@easyai-ai-gateway/contracts';
+import { Badge, Button, Card, CardContent, CardHeader, CardTitle, ConfirmDialog, FormDialog, Input, Label, Select, Tabs, Textarea } from '../../components/ui';
+import type { LoadState } from '../../types';
+
+type SystemSettingsTab = 'fileStorage';
+
+type FileStorageChannelForm = {
+  apiKey: string;
+  apiKeyPreview: string;
+  channelKey: string;
+  configJson: string;
+  name: string;
+  priority: string;
+  provider: string;
+  retryPolicyJson: string;
+  scenes: string[];
+  status: string;
+  uploadUrl: string;
+};
+
+const defaultUploadUrl = 'http://127.0.0.1:3001/v1/files/upload';
+const defaultRetryPolicy = {
+  enabled: true,
+  maxRetries: 3,
+  backoffSeconds: [60, 120, 180],
+  strategy: 'exponential',
+};
+
+const providerOptions = [
+  { value: 'server_main_openapi', label: 'server-main OpenAPI' },
+  { value: 'aliyun_oss', label: '阿里云 OSS' },
+  { value: 'tencent_cos', label: '腾讯云 COS' },
+];
+
+const defaultScenes = ['upload', 'image_result'];
+const sceneOptions = [
+  { value: 'upload', label: '上传', description: 'OpenAPI / 管理端主动上传文件' },
+  { value: 'image_result', label: '返图', description: '模型返回 base64 / buffer 图片或视频后的转存' },
+];
+
+const resultUploadPolicyOptions = [
+  { value: 'default', label: '默认：仅非链接资源转存', description: 'URL 结果直接保存；base64 / buffer 等结果转存后保存 URL' },
+  { value: 'upload_all', label: '全部转存', description: 'URL、base64、buffer 等返图结果都会转存到当前文件渠道' },
+  { value: 'upload_none', label: '全部不转存', description: '返图结果原样保存，不触发文件存储上传' },
+];
+
+export function SystemSettingsPanel(props: {
+  channels: FileStorageChannel[];
+  message: string;
+  settings: FileStorageSettings | null;
+  state: LoadState;
+  onDeleteFileStorageChannel: (channelId: string) => Promise<void>;
+  onSaveFileStorageChannel: (input: FileStorageChannelUpsertRequest, channelId?: string) => Promise<void>;
+  onSaveFileStorageSettings: (input: FileStorageSettingsUpdateRequest) => Promise<void>;
+}) {
+  const [activeTab, setActiveTab] = useState<SystemSettingsTab>('fileStorage');
+  const [dialogOpen, setDialogOpen] = useState(false);
+  const [editingChannel, setEditingChannel] = useState<FileStorageChannel | null>(null);
+  const [pendingDeleteChannel, setPendingDeleteChannel] = useState<FileStorageChannel | null>(null);
+  const [form, setForm] = useState<FileStorageChannelForm>(() => defaultChannelForm());
+  const [settingsPolicy, setSettingsPolicy] = useState(() => normalizeResultUploadPolicy(props.settings?.resultUploadPolicy));
+  const [localError, setLocalError] = useState('');
+
+  useEffect(() => {
+    setSettingsPolicy(normalizeResultUploadPolicy(props.settings?.resultUploadPolicy));
+  }, [props.settings?.resultUploadPolicy]);
+
+  function openCreateDialog() {
+    setEditingChannel(null);
+    setForm(defaultChannelForm(`server-main-${Date.now().toString(36)}`));
+    setLocalError('');
+    setDialogOpen(true);
+  }
+
+  function editChannel(channel: FileStorageChannel) {
+    setEditingChannel(channel);
+    setForm(channelToForm(channel));
+    setLocalError('');
+    setDialogOpen(true);
+  }
+
+  function closeDialog() {
+    setEditingChannel(null);
+    setForm(defaultChannelForm());
+    setLocalError('');
+    setDialogOpen(false);
+  }
+
+  async function submit(event: FormEvent<HTMLFormElement>) {
+    event.preventDefault();
+    setLocalError('');
+    if (form.scenes.length === 0) {
+      setLocalError('请至少选择一个适用场景。');
+      return;
+    }
+    try {
+      await props.onSaveFileStorageChannel(formToPayload(form), editingChannel?.id);
+      closeDialog();
+    } catch (err) {
+      setLocalError(err instanceof Error ? err.message : '文件存储渠道保存失败');
+    }
+  }
+
+  async function deleteChannel(channel: FileStorageChannel) {
+    try {
+      await props.onDeleteFileStorageChannel(channel.id);
+      setPendingDeleteChannel(null);
+      if (editingChannel?.id === channel.id) closeDialog();
+    } catch (err) {
+      setLocalError(err instanceof Error ? err.message : '文件存储渠道删除失败');
+    }
+  }
+
+  async function saveSettings() {
+    setLocalError('');
+    try {
+      await props.onSaveFileStorageSettings({ resultUploadPolicy: normalizeResultUploadPolicy(settingsPolicy) });
+    } catch (err) {
+      setLocalError(err instanceof Error ? err.message : '文件存储全局策略保存失败');
+    }
+  }
+
+  return (
+    <div className="pageStack">
+      <Card>
+        <CardHeader>
+          <div>
+            <CardTitle>系统设置</CardTitle>
+            <p className="mutedText">集中维护网关级配置；文件存储渠道按优先级轮转，单渠道使用 60/120/180 秒退避重试。</p>
+          </div>
+          <Badge variant="secondary">{props.channels.length} 个文件渠道</Badge>
+        </CardHeader>
+        <CardContent>
+          {(props.message || localError) && <p className="formMessage">{localError || props.message}</p>}
+          <Tabs
+            value={activeTab}
+            tabs={[{ value: 'fileStorage', label: '文件存储', icon: <Database size={15} /> }]}
+            onValueChange={setActiveTab}
+          />
+        </CardContent>
+      </Card>
+
+      {activeTab === 'fileStorage' && (
+        <section className="fileStoragePanel">
+          <div className="fileStorageSettingsCard">
+            <div>
+              <strong>全局返图转存策略</strong>
+              <span>对所有返图场景统一生效；渠道只负责上传目标、凭证、重试和轮转。</span>
+            </div>
+            <Label>
+              策略
+              <Select value={settingsPolicy} onChange={(event) => setSettingsPolicy(event.target.value)}>
+                {resultUploadPolicyOptions.map((item) => <option value={item.value} key={item.value}>{item.label}</option>)}
+              </Select>
+              <small>{resultUploadPolicyDescription(settingsPolicy)}</small>
+            </Label>
+            <Button type="button" onClick={saveSettings} disabled={props.state === 'loading'}>
+              <Save size={15} />
+              保存策略
+            </Button>
+          </div>
+
+          <div className="fileStorageToolbar">
+            <div>
+              <strong>文件存储渠道</strong>
+              <span>server-main OpenAPI 渠道只需要上传路由和 API Key。</span>
+            </div>
+            <Button type="button" onClick={openCreateDialog}>
+              <Plus size={15} />
+              新增渠道
+            </Button>
+          </div>
+
+          <div className="fileStorageGrid">
+            {props.channels.map((channel) => (
+              <article className="fileStorageCard" key={channel.id}>
+                <header>
+                  <div className="iconBox"><ServerCog size={18} /></div>
+                  <div>
+                    <strong>{channel.name}</strong>
+                    <span>{channel.channelKey}</span>
+                  </div>
+                  <Badge variant={channel.status === 'enabled' ? 'success' : 'secondary'}>{channel.status}</Badge>
+                </header>
+                <div className="fileStorageMeta">
+                  <span>渠道: {providerLabel(channel.provider)}</span>
+                  <span>场景: {sceneSummary(channel.scenes)}</span>
+                  <span>优先级: {channel.priority}</span>
+                  <span>重试: {retryPolicySummary(channel.retryPolicy)}</span>
+                  {channel.uploadUrl && <span>上传路由: {channel.uploadUrl}</span>}
+                  {apiKeyPreview(channel) && <span>API Key: {apiKeyPreview(channel)}</span>}
+                  {channel.lastError && <span>最近错误: {channel.lastError}</span>}
+                </div>
+                <footer>
+                  <Button type="button" variant="outline" size="sm" onClick={() => editChannel(channel)}>
+                    <Pencil size={14} />
+                    修改
+                  </Button>
+                  <Button type="button" variant="destructive" size="sm" onClick={() => setPendingDeleteChannel(channel)}>
+                    <Trash2 size={14} />
+                    删除
+                  </Button>
+                </footer>
+              </article>
+            ))}
+            {!props.channels.length && (
+              <Card>
+                <CardContent className="emptyState">
+                  <strong>暂无文件存储渠道</strong>
+                </CardContent>
+              </Card>
+            )}
+          </div>
+        </section>
+      )}
+
+      <FormDialog
+        ariaLabel={editingChannel ? '编辑文件存储渠道' : '新增文件存储渠道'}
+        bodyClassName="fileStorageDialogBody"
+        eyebrow={editingChannel ? 'Edit Storage Channel' : 'New Storage Channel'}
+        footer={(
+          <>
+            <Button type="submit" disabled={props.state === 'loading'}>
+              {editingChannel ? <Save size={15} /> : <Plus size={15} />}
+              {editingChannel ? '保存渠道' : '新增渠道'}
+            </Button>
+            <Button type="button" variant="outline" onClick={closeDialog}>
+              <RotateCcw size={15} />
+              取消
+            </Button>
+          </>
+        )}
+        open={dialogOpen}
+        title={editingChannel ? '编辑文件存储渠道' : '新增文件存储渠道'}
+        onClose={closeDialog}
+        onSubmit={submit}
+      >
+        <Label>
+          渠道标识
+          <Input value={form.channelKey} onChange={(event) => setForm({ ...form, channelKey: event.target.value })} placeholder="server-main-openapi" />
+        </Label>
+        <Label>
+          渠道名称
+          <Input value={form.name} onChange={(event) => setForm({ ...form, name: event.target.value })} placeholder="server-main OpenAPI" />
+        </Label>
+        <Label>
+          渠道类型
+          <Select value={form.provider} onChange={(event) => setForm({ ...form, provider: event.target.value })}>
+            {providerOptions.map((item) => <option value={item.value} key={item.value}>{item.label}</option>)}
+          </Select>
+        </Label>
+        <Label>
+          状态
+          <Select value={form.status} onChange={(event) => setForm({ ...form, status: event.target.value })}>
+            <option value="enabled">enabled</option>
+            <option value="disabled">disabled</option>
+          </Select>
+        </Label>
+        <Label className="spanTwo">
+          适用场景
+          <div className="fileStorageSceneGrid">
+            {sceneOptions.map((scene) => (
+              <FileStorageSceneToggle
+                checked={form.scenes.includes(scene.value)}
+                description={scene.description}
+                key={scene.value}
+                label={scene.label}
+                onChange={(checked) => setForm({ ...form, scenes: nextScenes(form.scenes, scene.value, checked) })}
+              />
+            ))}
+          </div>
+        </Label>
+        <Label className="spanTwo">
+          上传路由
+          <Input value={form.uploadUrl} onChange={(event) => setForm({ ...form, uploadUrl: event.target.value })} placeholder={defaultUploadUrl} />
+        </Label>
+        <Label className="platformCredentialField">
+          API Key
+          <Input value={form.apiKey} onChange={(event) => setForm({ ...form, apiKey: event.target.value })} placeholder={credentialInputPlaceholder(form.apiKeyPreview)} />
+          <small>保持脱敏值不变表示不修改；填写新值表示覆盖；清空后保存表示清除。</small>
+        </Label>
+        <Label>
+          优先级
+          <Input type="number" min={1} value={form.priority} onChange={(event) => setForm({ ...form, priority: event.target.value })} />
+        </Label>
+        <Label className="spanTwo">
+          重试策略 JSON
+          <Textarea value={form.retryPolicyJson} onChange={(event) => setForm({ ...form, retryPolicyJson: event.target.value })} />
+        </Label>
+        <Label className="spanTwo">
+          扩展配置 JSON
+          <Textarea value={form.configJson} onChange={(event) => setForm({ ...form, configJson: event.target.value })} />
+        </Label>
+      </FormDialog>
+
+      <ConfirmDialog
+        confirmLabel="删除渠道"
+        description="删除后该文件存储渠道不会再参与上传轮转。"
+        loading={props.state === 'loading'}
+        open={Boolean(pendingDeleteChannel)}
+        title={`确认删除文件存储渠道 ${pendingDeleteChannel?.name ?? ''}？`}
+        onCancel={() => setPendingDeleteChannel(null)}
+        onConfirm={() => pendingDeleteChannel ? deleteChannel(pendingDeleteChannel) : undefined}
+      />
+    </div>
+  );
+}
+
+function defaultChannelForm(channelKey = ''): FileStorageChannelForm {
+  return {
+    apiKey: '',
+    apiKeyPreview: '',
+    channelKey,
+    configJson: '{}',
+    name: 'server-main OpenAPI',
+    priority: '100',
+    provider: 'server_main_openapi',
+    retryPolicyJson: stringifyJson(defaultRetryPolicy),
+    scenes: defaultScenes,
+    status: 'disabled',
+    uploadUrl: defaultUploadUrl,
+  };
+}
+
+function channelToForm(channel: FileStorageChannel): FileStorageChannelForm {
+  const preview = apiKeyPreview(channel);
+  return {
+    apiKey: preview,
+    apiKeyPreview: preview,
+    channelKey: channel.channelKey,
+    configJson: stringifyJson(channel.config ?? {}),
+    name: channel.name,
+    priority: String(channel.priority || 100),
+    provider: channel.provider || 'server_main_openapi',
+    retryPolicyJson: stringifyJson(channel.retryPolicy ?? defaultRetryPolicy),
+    scenes: normalizeScenes(channel.scenes),
+    status: channel.status || 'disabled',
+    uploadUrl: channel.uploadUrl || defaultUploadUrl,
+  };
+}
+
+function formToPayload(form: FileStorageChannelForm): FileStorageChannelUpsertRequest {
+  return {
+    apiKey: apiKeyPayloadValue(form),
+    channelKey: form.channelKey.trim(),
+    config: parseJsonObject(form.configJson, '扩展配置 JSON'),
+    name: form.name.trim(),
+    priority: Number(form.priority) || 100,
+    provider: form.provider,
+    retryPolicy: parseJsonObject(form.retryPolicyJson, '重试策略 JSON'),
+    scenes: normalizeScenes(form.scenes),
+    status: form.status,
+    uploadUrl: form.uploadUrl.trim(),
+  };
+}
+
+function parseJsonObject(value: string, label: string) {
+  try {
+    const parsed = JSON.parse(value || '{}') as unknown;
+    if (!parsed || typeof parsed !== 'object' || Array.isArray(parsed)) {
+      throw new Error(`${label} 必须是对象`);
+    }
+    return parsed as Record<string, unknown>;
+  } catch (err) {
+    if (err instanceof Error && err.message.includes(label)) throw err;
+    throw new Error(`${label} 格式不正确`);
+  }
+}
+
+function stringifyJson(value: unknown) {
+  return JSON.stringify(value ?? {}, null, 2);
+}
+
+function providerLabel(provider: string) {
+  return providerOptions.find((item) => item.value === provider)?.label ?? provider;
+}
+
+function sceneSummary(scenes: string[] | undefined) {
+  return normalizeScenes(scenes).map((scene) => sceneOptions.find((item) => item.value === scene)?.label ?? scene).join(' / ');
+}
+
+function normalizeResultUploadPolicy(value: string | undefined) {
+  const normalized = (value || 'default').trim();
+  return resultUploadPolicyOptions.some((item) => item.value === normalized) ? normalized : 'default';
+}
+
+function resultUploadPolicyDescription(value: string | undefined) {
+  const normalized = normalizeResultUploadPolicy(value);
+  return resultUploadPolicyOptions.find((item) => item.value === normalized)?.description ?? '';
+}
+
+function normalizeScenes(scenes: string[] | undefined) {
+  const next = Array.from(new Set((scenes ?? []).map((scene) => scene.trim()).filter(Boolean)));
+  return next.length ? next : [...defaultScenes];
+}
+
+function nextScenes(current: string[], scene: string, checked: boolean) {
+  if (checked) return normalizeScenes([...current, scene]);
+  return current.filter((item) => item !== scene);
+}
+
+function retryPolicySummary(policy?: Record<string, unknown>) {
+  const maxRetries = numberFromUnknown(policy?.maxRetries) || 3;
+  const backoff = Array.isArray(policy?.backoffSeconds) ? policy?.backoffSeconds.join('/') : '60/120/180';
+  return `${maxRetries} 次 · ${backoff}s`;
+}
+
+function apiKeyPreview(channel: FileStorageChannel) {
+  const value = channel.credentialsPreview?.apiKey;
+  return typeof value === 'string' ? value : '';
+}
+
+function apiKeyPayloadValue(form: FileStorageChannelForm) {
+  const value = form.apiKey.trim();
+  if (form.apiKeyPreview && value === form.apiKeyPreview) return undefined;
+  return value || (form.apiKeyPreview ? '' : undefined);
+}
+
+function credentialInputPlaceholder(preview: string) {
+  return preview ? '填写新凭证以覆盖当前值' : 'sk-...';
+}
+
+function FileStorageSceneToggle(props: { checked: boolean; description: string; label: string; onChange: (checked: boolean) => void }) {
+  return (
+    <label className="platformToggle">
+      <input type="checkbox" checked={props.checked} onChange={(event) => props.onChange(event.target.checked)} />
+      <span>
+        <strong>{props.label}</strong>
+        <small>{props.description}</small>
+      </span>
+    </label>
+  );
+}
+
+function numberFromUnknown(value: unknown) {
+  if (typeof value === 'number' && Number.isFinite(value)) return value;
+  if (typeof value === 'string' && value.trim()) {
+    const parsed = Number(value);
+    if (Number.isFinite(parsed)) return parsed;
+  }
+  return 0;
+}
--- a/apps/web/src/routing.ts
+++ b/apps/web/src/routing.ts
@ -39,6 +39,7 @@ const adminPaths: Record<AdminSection, string> = {
  auditLogs: '/admin/audit-logs',
  runtime: '/admin/runtime',
  accessRules: '/admin/access-rules',
+  systemSettings: '/admin/system-settings',
 };

 const docsPaths: Record<ApiDocSection, string> = {
--- a/apps/web/src/styles/pages.css
+++ b/apps/web/src/styles/pages.css
@ -1812,6 +1812,121 @@
  justify-content: flex-end;
 }

+.fileStoragePanel {
+  display: grid;
+  gap: 14px;
+}
+
+.fileStorageToolbar {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  padding: 14px 16px;
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  background: #fff;
+}
+
+.fileStorageSettingsCard {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) minmax(260px, 380px) auto;
+  align-items: center;
+  gap: 14px;
+  padding: 14px 16px;
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  background: #fff;
+}
+
+.fileStorageSettingsCard > div {
+  display: grid;
+  gap: 3px;
+}
+
+.fileStorageSettingsCard > label {
+  min-width: 0;
+}
+
+.fileStorageToolbar > div {
+  display: grid;
+  gap: 3px;
+}
+
+.fileStorageToolbar strong {
+  color: var(--text-normal);
+}
+
+.fileStorageToolbar span,
+.fileStorageSettingsCard span,
+.fileStorageMeta span {
+  color: var(--muted-foreground);
+  font-size: var(--font-size-xs);
+  line-height: 1.45;
+}
+
+.fileStorageGrid {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 14px;
+}
+
+.fileStorageCard {
+  display: grid;
+  gap: 12px;
+  padding: 16px;
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  background: #fff;
+}
+
+.fileStorageCard header,
+.fileStorageCard footer {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+}
+
+.fileStorageCard header > div:nth-child(2) {
+  display: grid;
+  min-width: 0;
+  flex: 1;
+  gap: 3px;
+}
+
+.fileStorageCard strong,
+.fileStorageCard header span,
+.fileStorageMeta span {
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.fileStorageMeta {
+  display: grid;
+  gap: 7px;
+}
+
+.fileStorageMeta span {
+  padding: 7px 9px;
+  border: 1px solid var(--border-subtle);
+  border-radius: 8px;
+  background: var(--surface-subtle);
+}
+
+.fileStorageCard footer {
+  justify-content: flex-end;
+}
+
+.fileStorageDialogBody {
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+}
+
+.fileStorageSceneGrid {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 10px;
+}
+
 .runtimePolicyDialog {
  width: min(980px, 100%);
 }
@ -1983,6 +2098,7 @@
  .providerCatalogGrid,
  .baseModelGrid,
  .runtimePolicyGrid,
+  .fileStorageGrid,
  .platformGrid,
  .accessPermissionGrid,
  .platformModelChoices {
@ -2023,7 +2139,11 @@
  .platformModelRow,
  .platformModelToolbar,
  .runtimePolicyGrid,
+  .fileStorageGrid,
+  .fileStorageSettingsCard,
+  .fileStorageSceneGrid,
  .runtimePolicyFormBody,
+  .fileStorageDialogBody,
  .runtimePolicyRows,
  .runnerActionGrid,
  .accessPermissionGrid,
--- a/apps/web/src/styles/playground.css
+++ b/apps/web/src/styles/playground.css
@ -63,6 +63,88 @@
  transform: rotate(-8deg);
 }

+.composerUpload:disabled {
+  cursor: not-allowed;
+  opacity: 0.58;
+}
+
+.composerUploadSpinner {
+  animation: composer-upload-spin 0.9s linear infinite;
+}
+
+.composerInputStack {
+  display: grid;
+  min-width: 0;
+  gap: 8px;
+}
+
+.composerUploadArea {
+  display: grid;
+  gap: 6px;
+}
+
+.composerUploadList {
+  display: flex;
+  min-width: 0;
+  flex-wrap: wrap;
+  gap: 6px;
+}
+
+.composerUploadChip {
+  display: inline-flex;
+  max-width: min(100%, 320px);
+  min-height: 28px;
+  align-items: center;
+  gap: 6px;
+  padding: 4px 7px;
+  border: 1px solid var(--border);
+  border-radius: var(--radius-sm);
+  background: var(--surface-muted);
+  color: var(--text-normal);
+  font-size: var(--font-size-xs);
+}
+
+.composerUploadChip span {
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.composerUploadChip small {
+  flex: 0 0 auto;
+  color: var(--muted-foreground);
+}
+
+.composerUploadChip button {
+  display: grid;
+  width: 18px;
+  height: 18px;
+  place-items: center;
+  border: 0;
+  border-radius: 999px;
+  background: transparent;
+  color: var(--text-soft);
+  padding: 0;
+}
+
+.composerUploadChip button:hover {
+  background: var(--surface);
+  color: var(--text-normal);
+}
+
+.composerUploadMessage {
+  color: var(--muted-foreground);
+  font-size: var(--font-size-xs);
+  line-height: var(--line-height-relaxed);
+}
+
+@keyframes composer-upload-spin {
+  to {
+    transform: rotate(360deg);
+  }
+}
+
 .composerBody .shTextarea {
  min-height: 88px;
  border: 0;
--- a/apps/web/src/types.ts
+++ b/apps/web/src/types.ts
@ -17,7 +17,8 @@ export type AdminSection =
  | 'userGroups'
  | 'auditLogs'
  | 'runtime'
-  | 'accessRules';
+  | 'accessRules'
+  | 'systemSettings';

 export interface LoginForm {
  account: string;
--- a/packages/contracts/src/index.ts
+++ b/packages/contracts/src/index.ts
@ -844,6 +844,46 @@ export interface GatewayNetworkProxyConfig {
  globalHttpProxySource?: string;
 }

+export interface FileStorageChannel {
+  id: string;
+  channelKey: string;
+  name: string;
+  provider: 'server_main_openapi' | 'aliyun_oss' | 'tencent_cos' | string;
+  uploadUrl?: string;
+  credentialsPreview?: Record<string, unknown>;
+  scenes?: string[];
+  config?: Record<string, unknown>;
+  retryPolicy?: Record<string, unknown>;
+  priority: number;
+  status: 'enabled' | 'disabled' | string;
+  lastError?: string;
+  lastFailedAt?: string;
+  lastSucceededAt?: string;
+  createdAt: string;
+  updatedAt: string;
+}
+
+export interface FileStorageChannelUpsertRequest {
+  channelKey: string;
+  name: string;
+  provider?: 'server_main_openapi' | 'aliyun_oss' | 'tencent_cos' | string;
+  uploadUrl?: string;
+  apiKey?: string;
+  scenes?: string[];
+  config?: Record<string, unknown>;
+  retryPolicy?: Record<string, unknown>;
+  priority?: number;
+  status?: 'enabled' | 'disabled' | string;
+}
+
+export interface FileStorageSettings {
+  resultUploadPolicy: 'default' | 'upload_all' | 'upload_none' | string;
+}
+
+export interface FileStorageSettingsUpdateRequest {
+  resultUploadPolicy: 'default' | 'upload_all' | 'upload_none' | string;
+}
+
 export interface GatewayTask {
  id: string;
  kind: string;