Add Nostr key pair support

src/tests/test_cli_invalid_input.py

@@ -77,7 +77,7 @@ def test_out_of_range_menu(monkeypatch, capsys):
 def test_invalid_add_entry_submenu(monkeypatch, capsys):
     called = {"add": False, "retrieve": False, "modify": False}
     pm, _ = _make_pm(called)
-    inputs = iter(["1", "7", "6", "7"])
+    inputs = iter(["1", "8", "7", "7"])
     monkeypatch.setattr(main, "timed_input", lambda *_: next(inputs))
     monkeypatch.setattr("builtins.input", lambda *_: next(inputs))
     with pytest.raises(SystemExit):

src/tests/test_nostr_entry.py

@@ -0,0 +1,38 @@
+import sys
+from pathlib import Path
+from tempfile import TemporaryDirectory
+
+from helpers import create_vault, TEST_SEED, TEST_PASSWORD
+
+sys.path.append(str(Path(__file__).resolve().parents[1]))
+
+from password_manager.entry_management import EntryManager
+from password_manager.backup import BackupManager
+from password_manager.vault import Vault
+from password_manager.config_manager import ConfigManager
+
+
+def test_nostr_key_determinism():
+    with TemporaryDirectory() as tmpdir:
+        tmp_path = Path(tmpdir)
+        vault, enc_mgr = create_vault(tmp_path, TEST_SEED, TEST_PASSWORD)
+        cfg_mgr = ConfigManager(vault, tmp_path)
+        backup_mgr = BackupManager(tmp_path, cfg_mgr)
+        entry_mgr = EntryManager(vault, backup_mgr)
+
+        idx = entry_mgr.add_nostr_key("main")
+        entry = entry_mgr.retrieve_entry(idx)
+        assert entry == {
+            "type": "nostr",
+            "kind": "nostr",
+            "index": idx,
+            "label": "main",
+            "notes": "",
+        }
+
+        npub1, nsec1 = entry_mgr.get_nostr_key_pair(idx, TEST_SEED)
+        npub2, nsec2 = entry_mgr.get_nostr_key_pair(idx, TEST_SEED)
+        assert npub1 == npub2
+        assert nsec1 == nsec2
+        assert npub1.startswith("npub")
+        assert nsec1.startswith("nsec")