sync - tui loads but no data in views

tui/widgets/error_modal.py

@@ -0,0 +1,34 @@
+"""
+Error modal component for TUI.
+"""
+from textual.app import ComposeResult
+from textual.screen import ModalScreen
+from textual.widgets import Button, Static
+from textual.containers import Container, Vertical
+from textual import on
+
+class ErrorModal(ModalScreen):
+    """Modal dialog for displaying errors with retry capability."""
+    
+    def __init__(self, message: str, retry_action: callable = None):
+        super().__init__()
+        self.message = message
+        self.retry_action = retry_action
+        
+    def compose(self) -> ComposeResult:
+        with Vertical(id="error-dialog"):
+            yield Static(f"⚠️ {self.message}", id="error-message")
+            with Container(id="error-buttons"):
+                if self.retry_action:
+                    yield Button("Retry", variant="error", id="retry-btn")
+                yield Button("Dismiss", variant="primary", id="dismiss-btn")
+
+    @on(Button.Pressed, "#retry-btn")
+    def on_retry(self):
+        if self.retry_action:
+            self.dismiss()
+            self.retry_action()
+
+    @on(Button.Pressed, "#dismiss-btn")
+    def on_dismiss(self):
+        self.dismiss()

tui/widgets/loading.py

@@ -0,0 +1,18 @@
+"""
+Loading spinner components for TUI.
+"""
+from textual.widgets import Static
+from rich.spinner import Spinner
+
+class LoadingSpinner(Static):
+    """Animated loading spinner component."""
+    
+    def __init__(self, text: str = "Loading...", spinner: str = "dots") -> None:
+        super().__init__()
+        self.spinner = Spinner(spinner, text=text)
+        
+    def on_mount(self) -> None:
+        self.set_interval(0.1, self.update_spinner)
+        
+    def update_spinner(self) -> None:
+        self.update(self.spinner)