chore: stage remaining scaffolding

src/tui/animations/progress.rs

@@ -0,0 +1,48 @@
+use std::time::Duration;
+use rsille::canvas::Canvas;
+use super::{Animation, ProgressAnimation};
+
+pub struct ProgressBarAnimation {
+    progress: f64,
+    width: u16,
+    height: u16,
+    animation_offset: f64,
+}
+
+impl ProgressBarAnimation {
+    pub fn new(width: u16, height: u16) -> Self {
+        Self {
+            progress: 0.0,
+            width,
+            height,
+            animation_offset: 0.0,
+        }
+    }
+}
+
+impl Animation for ProgressBarAnimation {
+    fn update(&mut self, delta: Duration) {
+        self.animation_offset += delta.as_secs_f64() * 2.0;
+        if self.animation_offset >= 1.0 {
+            self.animation_offset -= 1.0;
+        }
+    }
+
+    fn render(&self, canvas: &mut Canvas) {
+        // Animated progress bar rendering will be implemented here
+    }
+
+    fn is_finished(&self) -> bool {
+        self.progress >= 1.0
+    }
+}
+
+impl ProgressAnimation for ProgressBarAnimation {
+    fn set_progress(&mut self, progress: f64) {
+        self.progress = progress.clamp(0.0, 1.0);
+    }
+
+    fn get_progress(&self) -> f64 {
+        self.progress
+    }
+}