修改配置编辑不了的问题

backend/internal/jobs/provider.go

@@ -16,8 +16,16 @@ import (
 
 type ProviderRegistry map[string]providers.Adapter
 
+type ProviderResolver interface {
+	Resolve(context.Context, string) (providers.Adapter, error)
+}
+
+func (registry ProviderRegistry) Resolve(_ context.Context, name string) (providers.Adapter, error) {
+	return registry[name], nil
+}
+
 type ProviderProcessor struct {
-	Providers ProviderRegistry
+	Providers ProviderResolver
 	Store     Store
 }
 
@@ -27,7 +35,13 @@ func (p ProviderProcessor) Advance(ctx context.Context, job Job) (Job, error) {
 	if job.Status.Terminal() {
 		return job, nil
 	}
-	adapter := p.Providers[job.Provider]
+	if p.Providers == nil {
+		return Job{}, fmt.Errorf("generation provider %q is unavailable", job.Provider)
+	}
+	adapter, err := p.Providers.Resolve(ctx, job.Provider)
+	if err != nil {
+		return Job{}, fmt.Errorf("resolve generation provider %q: %w", job.Provider, err)
+	}
 	if adapter == nil {
 		return Job{}, fmt.Errorf("generation provider %q is unavailable", job.Provider)
 	}
@@ -36,7 +50,6 @@ func (p ProviderProcessor) Advance(ctx context.Context, job Job) (Job, error) {
 		return Job{}, errors.New("invalid provider request payload")
 	}
 	var result providers.Result
-	var err error
 	expectedStatus := job.Status
 	if job.ProviderTaskID == "" {
 		if job.ProviderDispatchStartedAt != nil {
@@ -187,7 +200,11 @@ func (b ProviderJobBuilder) target(capability string, rawEngine any) (ProviderTa
 			}
 			return target, engine, nil
 		}
-		return ProviderTarget{Provider: b.ImageProvider, Model: b.ImageModel}, firstConfiguredEngine(b.ImageEngine, b.ImageProvider, "image"), nil
+		configured := firstConfiguredEngine(b.ImageEngine, b.ImageProvider, "image")
+		if target, ok := b.ImageEngines[configured]; ok && target.Provider == b.ImageProvider && target.Model == b.ImageModel {
+			return target, configured, nil
+		}
+		return ProviderTarget{Provider: b.ImageProvider, Model: b.ImageModel}, configured, nil
 	}
 	if rawEngine != nil && engine == "" {
 		return ProviderTarget{}, "", invalidPreparation("unsupported video engine")
@@ -202,7 +219,11 @@ func (b ProviderJobBuilder) target(capability string, rawEngine any) (ProviderTa
 		}
 		return target, engine, nil
 	}
-	return ProviderTarget{Provider: b.VideoProvider, Model: b.VideoModel}, firstConfiguredEngine(b.VideoEngine, b.VideoProvider, "video"), nil
+	configured := firstConfiguredEngine(b.VideoEngine, b.VideoProvider, "video")
+	if target, ok := b.VideoEngines[configured]; ok && target.Provider == b.VideoProvider && target.Model == b.VideoModel {
+		return target, configured, nil
+	}
+	return ProviderTarget{Provider: b.VideoProvider, Model: b.VideoModel}, configured, nil
 }
 
 func firstConfiguredEngine(configured, provider, capabilityKind string) string {
@@ -263,6 +284,9 @@ func prepareProviderRequest(capability, engine string, defaults map[string]any,
 			return preparedProviderRequest{}, err
 		}
 		settings, err = imageSettings(body)
+		if err == nil {
+			applyImageSettingDefaults(settings, defaults)
+		}
 		if err == nil && engine == "bailian" {
 			err = validateBailianImage(urls, settings)
 		}
@@ -294,6 +318,17 @@ func prepareProviderRequest(capability, engine string, defaults map[string]any,
 	return preparedProviderRequest{request: providers.Request{Capability: capability, Prompt: text, InputURLs: urls, Materials: providerMaterials, Settings: settings}, assetIDs: assetIDs}, nil
 }
 
+func applyImageSettingDefaults(settings, defaults map[string]any) {
+	if _, configured := settings["quality"]; configured {
+		return
+	}
+	raw, _ := defaults["quality"].(string)
+	quality := strings.ToLower(strings.TrimSpace(raw))
+	if quality == "low" || quality == "medium" || quality == "high" {
+		settings["quality"] = quality
+	}
+}
+
 func validateImageCoverage(text string, materials []prompt.Material, imageURLCount int) error {
 	required := prompt.ExtractRequirements(text)
 	if required.Video > 0 || required.Audio > 0 {