Add offline mode feature

src/tests/test_cli_doc_examples.py

@@ -63,8 +63,10 @@ class DummyPM:
             set_clipboard_clear_delay=lambda v: None,
             set_additional_backup_path=lambda v: None,
             set_relays=lambda v, require_pin=False: None,
+            set_offline_mode=lambda v: None,
             get_secret_mode_enabled=lambda: True,
             get_clipboard_clear_delay=lambda: 30,
+            get_offline_mode=lambda: False,
         )
         self.secret_mode_enabled = True
         self.clipboard_clear_delay = 30

src/tests/test_cli_toggle_offline_mode.py

@@ -0,0 +1,40 @@
+from types import SimpleNamespace
+from typer.testing import CliRunner
+
+from seedpass.cli import app
+from seedpass import cli
+
+runner = CliRunner()
+
+
+def _make_pm(called, enabled=False):
+    cfg = SimpleNamespace(
+        get_offline_mode=lambda: enabled,
+        set_offline_mode=lambda v: called.setdefault("enabled", v),
+    )
+    pm = SimpleNamespace(
+        config_manager=cfg,
+        offline_mode=enabled,
+        select_fingerprint=lambda fp: None,
+    )
+    return pm
+
+
+def test_toggle_offline_updates(monkeypatch):
+    called = {}
+    pm = _make_pm(called)
+    monkeypatch.setattr(cli, "PasswordManager", lambda: pm)
+    result = runner.invoke(app, ["config", "toggle-offline"], input="y\n")
+    assert result.exit_code == 0
+    assert called == {"enabled": True}
+    assert "Offline mode enabled." in result.stdout
+
+
+def test_toggle_offline_keep(monkeypatch):
+    called = {}
+    pm = _make_pm(called, enabled=True)
+    monkeypatch.setattr(cli, "PasswordManager", lambda: pm)
+    result = runner.invoke(app, ["config", "toggle-offline"], input="\n")
+    assert result.exit_code == 0
+    assert called == {"enabled": True}
+    assert "Offline mode enabled." in result.stdout

src/tests/test_offline_mode_behavior.py

@@ -0,0 +1,27 @@
+import time
+from types import SimpleNamespace
+
+from password_manager.manager import PasswordManager
+
+
+def test_sync_vault_skips_network(monkeypatch):
+    pm = PasswordManager.__new__(PasswordManager)
+    pm.offline_mode = True
+    pm.get_encrypted_data = lambda: b"data"
+    called = {"nostr": False}
+    pm.nostr_client = SimpleNamespace(
+        publish_snapshot=lambda *a, **kw: called.__setitem__("nostr", True)
+    )
+    result = PasswordManager.sync_vault(pm)
+    assert result is None
+    assert called["nostr"] is False
+
+
+def test_start_background_sync_offline(monkeypatch):
+    pm = PasswordManager.__new__(PasswordManager)
+    pm.offline_mode = True
+    called = {"sync": False}
+    pm.sync_index_from_nostr = lambda: called.__setitem__("sync", True)
+    PasswordManager.start_background_sync(pm)
+    time.sleep(0.05)
+    assert called["sync"] is False