Added the edit_entry_screen.py and modified the mock entry_service_mock.py to be async and also add the screen change on diary_list_screen.py and added the rename_entry_modal.py and added all the necessary CSS on the pilgrim.css

src/pilgrim/ui/screens/rename_entry_modal.py

@@ -0,0 +1,58 @@
+from textual.app import ComposeResult
+from textual.containers import Vertical, Horizontal
+from textual.screen import ModalScreen
+from textual.widgets import Label, Input, Button
+
+
+class RenameEntryModal(ModalScreen[str]):
+    """A modal screen to rename a diary entry."""
+
+    BINDINGS = [
+        ("escape", "cancel", "Cancel"),
+    ]
+
+    def __init__(self, current_name: str):
+        super().__init__()
+        self._current_name = current_name
+        self.name_input = Input(
+            value=self._current_name,
+            placeholder="Type the new name...",
+            id="rename_input",
+            classes="RenameEntryModal-name-input"
+        )
+
+    def compose(self) -> ComposeResult:
+        with Vertical(id="rename_entry_dialog", classes="RenameEntryModal-dialog"):
+            yield Label("Rename Entry", classes="dialog-title RenameEntryModal-title")
+            yield Label("New Entry Title:", classes="RenameEntryModal-label")
+            yield self.name_input
+            with Horizontal(classes="dialog-buttons RenameEntryModal-buttons"):
+                yield Button("Save", variant="primary", id="save", classes="RenameEntryModal-save-button")
+                yield Button("Cancel", variant="default", id="cancel", classes="RenameEntryModal-cancel-button")
+
+    def on_mount(self) -> None:
+        """Focuses on the input when the screen is mounted."""
+        self.name_input.focus()
+        self.name_input.cursor_position = len(self.name_input.value)
+
+    def on_button_pressed(self, event: Button.Pressed) -> None:
+        """Handles button clicks."""
+        if event.button.id == "save":
+            new_name = self.name_input.value.strip()
+            if new_name:
+                self.dismiss(new_name)  # Returns the new name
+            else:
+                self.dismiss(None)  # Considers empty name as cancellation
+        else:
+            self.dismiss(None)  # Returns None for cancellation
+
+    def on_input_submitted(self, event: Input.Submitted) -> None:
+        """Allows saving by pressing Enter."""
+        new_name = event.value.strip()
+        if new_name:
+            self.dismiss(new_name)
+        else:
+            self.dismiss(None)
+    
+    def action_cancel(self) -> None:
+        self.dismiss(None)