Fix ValueError with Unicode superscript characters in torrent title parsing

[Copilot]

Fixes a ValueError that occurs when processing torrent titles containing Unicode superscript characters like '²', '³', '¹'.

Problem

The error occurs in app/core/meta/metavideo.py when the code uses isdigit() to check if a string contains only digits, then attempts to convert it with int():

if name.isdigit() \
        and int(name) < 1800 \

Issue: str.isdigit() returns True for Unicode digit characters including superscripts (²), but int() can only parse standard ASCII digits (0-9).

Example failure:

>>> "²".isdigit()
True
>>> int("²")
ValueError: invalid literal for int() with base 10: '²'

Root Cause

When processing torrent titles like "E=mc² The Movie 2023", the parsing logic encounters the superscript '²' character. The isdigit() method incorrectly identifies it as a digit, leading to a failed int() conversion.

Solution

Replace isdigit() with isdecimal() in all locations where the result is passed to int():

• str.isdecimal() only returns True for characters that can form decimal numbers (0-9)
• str.isdigit() includes Unicode digit characters like superscripts

Changes Made

Fixed 3 locations in app/core/meta/metavideo.py:

1. Line 73: File title processing
2. Line 203: Name fixing function (original reported issue)
3. Line 346: Year processing

Validation

Before fix:

>>> "²".isdigit()
True
>>> int("²")  # Crashes with ValueError

After fix:

>>> "²".isdecimal()
False
>>> # No int() conversion attempted - safe!

Normal digits continue to work exactly as before:

>>> "1234".isdecimal()
True
>>> int("1234")
1234

This is a minimal, surgical fix that prevents the crash while preserving all existing functionality.

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[Copilot]

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