Add TheTVDB episode title matching and release v1.0.3.

Match filenames to TheTVDB episode order (default, aired, DVD, etc.) to fix chaotic SxxExx numbering while preserving titles.

Co-authored-by: Cursor <[email protected]>

engine/rules.py

@@ -9,6 +9,8 @@ from dataclasses import dataclass, field
 from pathlib import Path
 from typing import List, Optional
 
+from .episode_match import rewrite_episode_number
+
 
 @dataclass
 class Rule(ABC):
@@ -257,6 +259,38 @@ class EpisodeRenumberRule(Rule):
         return new_stem, ext
 
 
+@dataclass
+class TvdbEpisodeRenumberRule(Rule):
+    """
+    Renumber SxxExx blocks using a pre-built filename → episode number mapping
+    (typically from TheTVDB title matching).
+    """
+    episode_mapping: dict = field(default_factory=dict, repr=False)
+    padding: int = 2
+    pattern: str = r"(.*?[Ss]\d+[Ee])(\d+)(-[Ee](\d+))?(.*)"
+
+    def apply(
+        self,
+        stem: str,
+        ext: str,
+        index: int,
+        total: int,
+        original_name: Optional[str] = None,
+    ) -> tuple[str, str]:
+        if not self.episode_mapping or original_name is None:
+            return stem, ext
+        new_ep = self.episode_mapping.get(original_name)
+        if new_ep is None:
+            return stem, ext
+        new_stem = rewrite_episode_number(
+            stem,
+            int(new_ep),
+            padding=self.padding,
+            pattern=self.pattern,
+        )
+        return new_stem, ext
+
+
 @dataclass
 class PrefixSuffixRule(Rule):
     prefix: str = ""