feat(web): initialize Next.js project with Tailwind CSS and TypeScript setup

pkg/models/workflow.go

@@ -0,0 +1,29 @@
+package models
+
+// NodeDef represents a single node in an n8n-compatible workflow.
+type NodeDef struct {
+	ID          string         `json:"id"`
+	Name        string         `json:"name"`
+	Type        string         `json:"type"`
+	TypeVersion float64        `json:"typeVersion"`
+	Parameters  map[string]any `json:"parameters"`
+	Credentials map[string]any `json:"credentials,omitempty"`
+	Settings    map[string]any `json:"settings,omitempty"`
+	Position    [2]float64     `json:"position"`
+}
+
+// ConnectionDef represents a directed edge between two nodes.
+type ConnectionDef struct {
+	SourceNode        string
+	SourceOutputIndex int
+	TargetNode        string
+	TargetInputIndex  int
+}
+
+// WorkflowDefinition is the parsed internal representation of a workflow.
+type WorkflowDefinition struct {
+	Name        string          `json:"name"`
+	Nodes       []NodeDef       `json:"nodes"`
+	Connections []ConnectionDef
+	Settings    map[string]any `json:"settings"`
+}