Initial project snapshot

backend/pkg/contracts/session/dataplane.go

@@ -0,0 +1,33 @@
+package session
+
+import "time"
+
+const (
+	DataPlaneCandidateDirectWorkerWSS = "direct_worker_wss"
+	DataPlaneCandidateBackendGateway  = "backend_gateway"
+
+	DataPlaneChannelControl      = "control"
+	DataPlaneChannelInput        = "input"
+	DataPlaneChannelRender       = "render"
+	DataPlaneChannelClipboard    = "clipboard"
+	DataPlaneChannelFileUpload   = "file_upload"
+	DataPlaneChannelFileDownload = "file_download"
+	DataPlaneChannelTelemetry    = "telemetry"
+)
+
+type DataPlaneOffer struct {
+	Preferred  string               `json:"preferred"`
+	Token      string               `json:"token"`
+	ExpiresAt  time.Time            `json:"expires_at"`
+	Candidates []DataPlaneCandidate `json:"candidates"`
+}
+
+type DataPlaneCandidate struct {
+	Type      string         `json:"type"`
+	URL       string         `json:"url"`
+	WorkerID  string         `json:"worker_id,omitempty"`
+	NodeID    string         `json:"node_id,omitempty"`
+	ClusterID string         `json:"cluster_id,omitempty"`
+	Priority  int            `json:"priority,omitempty"`
+	Metadata  map[string]any `json:"metadata,omitempty"`
+}