feat: add rich progress bars to video downloads

Parse yt-dlp progress output and display real-time progress bar
with percentage, downloaded size, transfer speed, and ETA using
rich library.

youtube_cli/main.py

@@ -825,9 +825,7 @@ class YouTubeCLI:
             else:
                 logger.info("Using 1080p quality by default")
 
-            # Run command and let yt-dlp handle progress natively
+            # Run command with progress bar
-            # Removed timeout to support long-running downloads in queue
-            # Use a pipe to capture progress and support cancellation
             process = subprocess.Popen(
                 cmd,
                 stdout=subprocess.PIPE,
@@ -836,12 +834,71 @@ class YouTubeCLI:
                 text=True,
             )
 
-            try:
+            # Rich progress bar for downloads
-                stdout, _ = process.communicate(timeout=None)  # No timeout
+            from rich.progress import (
-                result = subprocess.CompletedProcess(
+                BarColumn,
-                    cmd, process.returncode, stdout, ""
+                DownloadColumn,
+                Progress,
+                TextColumn,
+                TimeRemainingColumn,
+                TransferSpeedColumn,
             )
-            except subprocess.TimeoutExpired:
+
+            progress = Progress(
+                TextColumn("[bold blue]{task.description}"),
+                BarColumn(bar_width=40),
+                "[progress.percentage]{task.percentage:>3.1f}%",
+                "•",
+                DownloadColumn(),
+                "•",
+                TransferSpeedColumn(),
+                "•",
+                TimeRemainingColumn(),
+            )
+
+            downloaded_bytes = 0
+            total_bytes = 0
+            download_task = None
+            output_lines = []
+
+            try:
+                with progress:
+                    for line in process.stdout:
+                        output_lines.append(line)
+
+                        # Parse progress line: "[download]   5.0% of ~  10.00MiB at   1.23MiB/s ETA 00:08"
+                        import re as re_mod
+
+                        progress_match = re_mod.search(
+                            r"\[download\]\s+(\d+\.?\d*)%\s+of\s+[~]?\s*([\d.]+)\s*(B|KiB|MiB|GiB)",
+                            line,
+                        )
+                        if progress_match:
+                            pct = float(progress_match.group(1))
+                            size_str = progress_match.group(2)
+                            size_unit = progress_match.group(3)
+                            total_bytes = self._parse_size(size_str, size_unit)
+                            downloaded_bytes = int(total_bytes * pct / 100)
+
+                            if download_task is None:
+                                download_task = progress.add_task(
+                                    "Downloading...",
+                                    total=total_bytes if total_bytes > 0 else None,
+                                )
+                            progress.update(
+                                download_task,
+                                completed=downloaded_bytes,
+                                total=total_bytes if total_bytes > 0 else None,
+                            )
+                        elif "[download]" in line and "[" not in line.split("[download]")[1].split()[0]:
+                            pass
+                        elif "[download] Deprecated commandline" in line:
+                            pass
+
+                result = subprocess.CompletedProcess(
+                    cmd, process.returncode, "".join(output_lines), ""
+                )
+            except KeyboardInterrupt:
                 process.kill()
                 logger.warning("Download cancelled by user")
                 return False
@@ -855,7 +912,6 @@ class YouTubeCLI:
 
                 # Add video to archive for tracking
                 try:
-                    # Extract video ID from URL for archive
                     import re
 
                     video_id = None
@@ -880,8 +936,6 @@ class YouTubeCLI:
                 if result.stdout:
                     logger.error(f"Error details: {result.stdout}")
 
-                # Try to check if we have a different problem
-                # Check for specific JavaScript challenge errors and recommend solutions
                 if (
                     "Solving JS challenges" in result.stdout
                     or "challenge solving failed" in result.stdout
@@ -895,6 +949,11 @@ class YouTubeCLI:
         except Exception as e:
             logger.error(f"Error during download: {str(e)}")
 
+    def _parse_size(self, size_str: str, unit: str) -> int:
+        """Parse size string with unit to bytes."""
+        multipliers = {"B": 1, "KiB": 1024, "MiB": 1024**2, "GiB": 1024**3}
+        return int(float(size_str) * multipliers.get(unit, 1))
+
     def download_playlist(
         self,
         url,