diff --git a/CLAUDE.md b/CLAUDE.md
index 6166566..006d159 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -14,7 +14,10 @@ Modular, self-hostable community platform built on the AT Protocol.
 
 ### Commands
 
-Check project TypeScript types with `bunx tsc --emit` or rely on the LSP plugin.
+- `bunx tsc --emit`: Check project TypeScript types
+- `bun run fmt`: Foramt with oxfmt
+- `bun run test`: Run unit tests
+- `bun run test:e2e`: Run end-to-end tests
 
 ## Architecture
 
diff --git a/packages/core/src/__tests__/sphere-schemas.test.ts b/packages/core/src/__tests__/sphere-schemas.test.ts
index 4182ae5..60bd93d 100644
--- a/packages/core/src/__tests__/sphere-schemas.test.ts
+++ b/packages/core/src/__tests__/sphere-schemas.test.ts
@@ -60,22 +60,22 @@ describe("updateSphereSchema", () => {
 });
 
 describe("inviteMemberSchema", () => {
-  it("accepts a valid DID with default role", () => {
-    const result = inviteMemberSchema.parse({ did: "did:plc:abc123" });
+  it("accepts a valid identifier with default role", () => {
+    const result = inviteMemberSchema.parse({ identifier: "did:plc:abc123" });
     expect(result.role).toBe("member");
   });
 
   it("accepts admin role", () => {
-    const result = inviteMemberSchema.parse({ did: "did:web:example.com", role: "admin" });
+    const result = inviteMemberSchema.parse({ identifier: "did:web:example.com", role: "admin" });
     expect(result.role).toBe("admin");
   });
 
-  it("rejects DID not starting with 'did:'", () => {
-    expect(() => inviteMemberSchema.parse({ did: "plc:abc123" })).toThrow();
+  it("rejects empty identifier", () => {
+    expect(() => inviteMemberSchema.parse({ identifier: "" })).toThrow();
   });
 
   it("rejects owner role", () => {
-    expect(() => inviteMemberSchema.parse({ did: "did:plc:abc", role: "owner" })).toThrow();
+    expect(() => inviteMemberSchema.parse({ identifier: "did:plc:abc", role: "owner" })).toThrow();
   });
 });