chore: commit workspace updates

backend/internal/app/cloud_agent_nodes.go

@@ -0,0 +1,63 @@
+package app
+
+// cloudAgentNodeCapability is the server-side contract for nodes that an Agent
+// may create or connect. It is intentionally independent from the browser node
+// registry: renderers and plugin schemas are not an authorization boundary.
+type cloudAgentNodeCapability struct {
+	Type               string
+	Label              string
+	DefaultWidth       float64
+	DefaultHeight      float64
+	InputKind          string
+	GenerationMode     string
+	AcceptedInputKinds []string
+	MaxInputCount      int
+	CanUpdate          bool
+}
+
+var cloudAgentNodeCapabilities = []cloudAgentNodeCapability{
+	{Type: "text", Label: "文本", DefaultWidth: 340, DefaultHeight: 240, InputKind: "text", CanUpdate: true},
+	{Type: "markdown", Label: "Markdown", DefaultWidth: 420, DefaultHeight: 320, InputKind: "text", CanUpdate: true},
+	{Type: "image", Label: "图片", DefaultWidth: 720, DefaultHeight: 405, InputKind: "image", GenerationMode: "image", AcceptedInputKinds: []string{"text", "image"}},
+	{Type: "video", Label: "视频", DefaultWidth: 720, DefaultHeight: 405, InputKind: "video", GenerationMode: "video", AcceptedInputKinds: []string{"text", "image", "video", "audio"}},
+	// The current audio provider has no character-image/voice binding input. Do
+	// not advertise image references until the provider path consumes them.
+	{Type: "audio", Label: "音频", DefaultWidth: 340, DefaultHeight: 120, InputKind: "audio", GenerationMode: "audio", AcceptedInputKinds: []string{"text"}, MaxInputCount: 1},
+	{Type: "frame", Label: "背板", DefaultWidth: 760, DefaultHeight: 520},
+	{Type: "script", Label: "分镜脚本", DefaultWidth: 920, DefaultHeight: 360},
+}
+
+func cloudAgentNodeCapabilityForType(nodeType string) (cloudAgentNodeCapability, bool) {
+	for _, capability := range cloudAgentNodeCapabilities {
+		if capability.Type == nodeType {
+			return capability, true
+		}
+	}
+	return cloudAgentNodeCapability{}, false
+}
+
+func cloudAgentNodeTypeNames() []string {
+	names := make([]string, 0, len(cloudAgentNodeCapabilities))
+	for _, capability := range cloudAgentNodeCapabilities {
+		names = append(names, capability.Type)
+	}
+	return names
+}
+
+// cloudAgentGenerationModes is the single source of truth for generation
+// capabilities exposed to Agent. Keep this derived from the node contract so a
+// newly supported generation node cannot be accidentally omitted from model
+// discovery while still being accepted by the write path.
+func cloudAgentGenerationModes() map[string]bool {
+	modes := make(map[string]bool)
+	for _, capability := range cloudAgentNodeCapabilities {
+		if capability.GenerationMode != "" {
+			modes[capability.GenerationMode] = true
+		}
+	}
+	return modes
+}
+
+func cloudAgentGenerationModeSupported(mode string) bool {
+	return cloudAgentGenerationModes()[mode]
+}