Fix #2: fall back to uppercase N

README.md

@@ -66,7 +66,7 @@ including persistence behavior and manual recovery.
 | `Ctrl+E` | Enter or leave Privileged Mode |
 | `b` | Review and restore the session Pre-edit Backup |
 | `n` | Add a Host Entry |
-| `Shift+N` | Add a Host Entry based on the selected Host Entry (requires an enhanced keyboard protocol) |
+| `Shift+N` | Add a Host Entry based on the selected Host Entry (`N` fallback without enhanced keyboard support; Caps Lock also triggers it) |
 | `e` | Open the selected Host Entry in the Entry Editor |
 | `d` | Delete the selected Host Entry |
 | `Space` | Activate or deactivate the selected Host Entry |

docs/user-guide.md

@@ -63,8 +63,9 @@ separate from the Entry Editor used to change one Host Entry.
 In Privileged Mode:
 
 - Press `n` to add a Host Entry.
-- Press `Shift+N` to add a Host Entry based on the selected Host Entry. This
-  requires a terminal that supports the Kitty enhanced keyboard protocol.
+- Press `Shift+N` to add a Host Entry based on the selected Host Entry. In a
+  terminal without the Kitty enhanced keyboard protocol, uppercase `N` is the
+  fallback, so Caps Lock also triggers this action.
 - Select a non-default Host Entry and press `e` to open the Entry Editor.
 - Press `d` and confirm to delete the selected Host Entry.
 - Press `Space` to activate or deactivate the selected Host Entry.
@@ -255,7 +256,7 @@ continually retrying it.
 | Key | Action |
 | --- | --- |
 | `n` | Add a Host Entry |
-| `Shift+N` | Add a Host Entry based on the selected Host Entry (requires an enhanced keyboard protocol) |
+| `Shift+N` | Add a Host Entry based on the selected Host Entry (`N` fallback without enhanced keyboard support; Caps Lock also triggers it) |
 | `e` | Open the selected Host Entry in the Entry Editor |
 | `d` | Delete the selected Host Entry |
 | `Space` | Activate or deactivate the selected Host Entry |

src/hosts/tui/help_modal.py

@@ -51,7 +51,7 @@ class HelpModal(ModalScreen[None]):
             yield Static("Privileged Mode", classes="help-section")
             yield Static(
                 "Ctrl+E Enter or leave Privileged Mode    n Add Host Entry\n"
-                "Shift+N New from selected (enhanced terminal)    b Review Pre-edit Backup",
+                "Shift+N New from selected (N fallback)    b Review Pre-edit Backup",
                 classes="help-copy",
             )
             yield Button("Close", id="help-close", variant="primary")

src/hosts/tui/keybindings.py

@@ -10,7 +10,13 @@ from textual.binding import Binding
 # Key bindings for the hosts manager application
 HOSTS_MANAGER_BINDINGS = [
     Binding("n", "add_entry", "New entry", show=True, id="left:new_entry"),
-    Binding("shift+n", "new_from_selected", "New from selected", show=False),
+    Binding(
+        "shift+n,N",
+        "new_from_selected",
+        "New from selected",
+        show=False,
+        key_display="Shift+N",
+    ),
     Binding("d", "delete_entry", "Delete entry", show=True, id="left:delete_entry"),
     Binding("e", "edit_entry", "Edit entry", show=True, id="left:edit_entry"),
     Binding(

tests/test_app.py

@@ -183,6 +183,21 @@ async def test_enhanced_shift_n_opens_new_from_selected_but_caps_lock_n_does_not
         assert not isinstance(app.screen, AddEntryModal)
 
 
+@pytest.mark.asyncio
+async def test_uppercase_n_is_a_fallback_when_the_terminal_lacks_enhanced_keys():
+    """Legacy terminals use uppercase N for Shift+N and Caps Lock+N alike."""
+    app = app_with_filterable_entries()
+    app.edit_mode = True
+
+    async with app.run_test(size=(120, 40)) as pilot:
+        app.table_handler.populate_entries_table()
+        app.query_one("#entries-table").focus()
+        await pilot.press("N")
+        await pilot.pause()
+
+        assert isinstance(app.screen, AddEntryModal)
+
+
 @pytest.mark.asyncio
 async def test_new_from_selected_requires_a_visible_host_entry():
     """Shift+N does not reuse a stale selection when filters hide every entry."""