Rename model package to eventstorming

Clearer package name that describes what it contains.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

eventstorming/model.go

@@ -0,0 +1,47 @@
+package eventstorming
+
+// EventStorming model types
+
+// Model represents an event storming model
+type Model struct {
+	ID         string            `json:"id"`
+	Name       string            `json:"name"`
+	Events     []DomainEvent     `json:"events"`
+	Commands   []Command         `json:"commands"`
+	Aggregates []Aggregate       `json:"aggregates"`
+	Processes  []BusinessProcess `json:"processes"`
+}
+
+// DomainEvent represents a domain event definition
+type DomainEvent struct {
+	ID          string            `json:"id"`
+	Name        string            `json:"name"`
+	Description string            `json:"description"`
+	Data        map[string]string `json:"data"`
+}
+
+// Command represents a command definition
+type Command struct {
+	ID            string            `json:"id"`
+	Name          string            `json:"name"`
+	Actor         string            `json:"actor"`
+	TriggersEvent string            `json:"triggersEvent"`
+	Data          map[string]string `json:"data"`
+}
+
+// Aggregate represents an aggregate definition
+type Aggregate struct {
+	ID         string   `json:"id"`
+	Name       string   `json:"name"`
+	Events     []string `json:"events"`
+	Commands   []string `json:"commands"`
+	Invariants []string `json:"invariants"`
+}
+
+// BusinessProcess represents a business process definition
+type BusinessProcess struct {
+	ID             string   `json:"id"`
+	Name           string   `json:"name"`
+	TriggerEvents  []string `json:"triggerEvents"`
+	OutputCommands []string `json:"outputCommands"`
+}