add code

lib/v1.ts

@@ -0,0 +1,41 @@
+import { types } from "mobx-state-tree"
+
+const Attribute = types.model("Attribute", {
+    name: types.string,
+    type: types.enumeration("AttributeType", ["Skill", "Tool", "Trait"]),
+    description: types.optional(types.string, "")
+})
+
+const Responsibility = types.model("Responsibility", {
+    title: types.string,
+    outcome: types.string,
+    requiredAttributes: types.array(Attribute)
+})
+
+const Role = types.model("Role", {
+    title: types.string,
+    responsibilities: types.array(Responsibility),
+    requiredAttributes: types.array(Attribute),
+    seniority: types.enumeration("Seniority", ["Intern", "Junior", "Mid", "Senior", "Lead", "Principal"])
+})
+
+// Specialization within a domain (e.g., cardiologist within medicine)
+const Specialization = types.model("Specialization", {
+    name: types.string,
+    focus: types.string,
+    coreAttributes: types.array(Attribute),
+    roles: types.array(Role)
+})
+
+const Domain = types.model("Domain", {
+    name: types.string,
+    description: types.optional(types.string, ""),
+    specializations: types.array(Specialization),
+    coreAttributes: types.array(Attribute)
+})
+
+const ProfessionModel = types.model("ProfessionModel", {
+    domains: types.array(Domain)
+});
+
+export { ProfessionModel, Domain, Specialization, Role, Responsibility, Attribute }