Move nostr pubkeys to LDAP attribute

closes #173

spec/models/user_spec.rb

@@ -206,9 +206,21 @@ RSpec.describe User, type: :model do
     end
   end
 
+  describe "#nostr_pubkey" do
+    before do
+      allow_any_instance_of(User).to receive(:ldap_entry)
+        .and_return({ nostr_key: "07e188a1ff87ce171d517b8ed2bb7a31b1d3453a0db3b15379ec07b724d232f3" })
+    end
+
+    it "returns the raw pubkey from LDAP" do
+      expect(user.nostr_pubkey).to eq("07e188a1ff87ce171d517b8ed2bb7a31b1d3453a0db3b15379ec07b724d232f3")
+    end
+  end
+
   describe "#nostr_pubkey_bech32" do
     before do
-      user.update! nostr_pubkey: "07e188a1ff87ce171d517b8ed2bb7a31b1d3453a0db3b15379ec07b724d232f3"
+      allow_any_instance_of(User).to receive(:ldap_entry)
+        .and_return({ nostr_key: "07e188a1ff87ce171d517b8ed2bb7a31b1d3453a0db3b15379ec07b724d232f3" })
     end
 
     it "encodes the hexadecimal pubkey to bech32" do