Address code review feedback: exponential backoff, avatar colors constant, dynamic upload timeout

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Co-authored-by: thaitien280401-stack <271128961+thaitien280401-stack@users.noreply.github.com>

uploaders/base_uploader.py

@@ -3,6 +3,7 @@ Base Uploader - Lớp cơ sở cho tất cả uploaders.
 """
 
 import os
+import time
 from abc import ABC, abstractmethod
 from dataclasses import dataclass, field
 from typing import Optional, List
@@ -112,6 +113,10 @@ class BaseUploader(ABC):
                     f"[{self.platform_name}] Lỗi upload (lần {attempt}): {e}",
                     style="bold red",
                 )
+                if attempt < max_retries:
+                    backoff = min(2 ** attempt, 60)  # Exponential backoff, max 60s
+                    print_substep(f"Chờ {backoff}s trước khi thử lại...", style="bold yellow")
+                    time.sleep(backoff)
 
         print_substep(f"Upload {self.platform_name} thất bại sau {max_retries} lần thử!", style="bold red")
         return None

uploaders/youtube_uploader.py

@@ -150,6 +150,8 @@ class YouTubeUploader(BaseUploader):
 
         # Step 2: Upload video file
         file_size = os.path.getsize(metadata.file_path)
+        # Dynamic timeout: minimum 120s, add 60s per 100MB
+        upload_timeout = max(120, 60 * (file_size // (100 * 1024 * 1024) + 1))
         with open(metadata.file_path, "rb") as video_file:
             upload_response = requests.put(
                 upload_url,
@@ -158,7 +160,7 @@ class YouTubeUploader(BaseUploader):
                     "Content-Length": str(file_size),
                 },
                 data=video_file,
-                timeout=600,  # 10 minutes timeout for large files
+                timeout=upload_timeout,
             )
             upload_response.raise_for_status()
 

video_creation/threads_screenshot.py

@@ -40,6 +40,15 @@ THEMES = {
     },
 }
 
+# Avatar color palette for comments
+AVATAR_COLORS = [
+    (88, 101, 242),   # Blue
+    (237, 66, 69),    # Red
+    (87, 242, 135),   # Green
+    (254, 231, 92),   # Yellow
+    (235, 69, 158),   # Pink
+]
+
 
 def _get_font(size: int, bold: bool = False) -> ImageFont.FreeTypeFont:
     """Load font hỗ trợ tiếng Việt."""
@@ -236,14 +245,7 @@ def create_comment_image(
     )
 
     # Avatar (smaller for comments)
-    colors = [
+    avatar_color = AVATAR_COLORS[index % len(AVATAR_COLORS)]
-        (88, 101, 242),   # Blue
-        (237, 66, 69),    # Red
-        (87, 242, 135),   # Green
-        (254, 231, 92),   # Yellow
-        (235, 69, 158),   # Pink
-    ]
-    avatar_color = colors[index % len(colors)]
     _draw_avatar(draw, padding, y_cursor, avatar_size, avatar_color)
 
     # Username