feat(dot_alfred): load_by_tmdb_id on release repos

Series repo returns (release, folder) so the upcoming sync
orchestrator can feed the library index's upsert(..., path=...).
Movie repo returns the release alone (folder is on release.folder
by the one-folder-one-file convention) — kept as a semantic alias
of find_by_tmdb_id for symmetry with the series side.

alfred/infrastructure/persistence/dot_alfred/v2/repository.py

@@ -117,6 +117,21 @@ class DotAlfredSeriesReleaseRepository:
                 return release
         return None
 
+    def load_by_tmdb_id(
+        self, tmdb_id: TmdbId
+    ) -> tuple[SeriesRelease, str] | None:
+        """Return ``(release, show_folder_name)`` for ``tmdb_id``, or ``None``.
+
+        Same lookup as :meth:`find_by_tmdb_id` but also returns the
+        folder name the release lives in — needed by the upcoming
+        sync orchestrator to feed the library index's ``upsert(...,
+        path=...)``.
+        """
+        for folder, release in self._iter_library():
+            if release.tmdb_id == tmdb_id:
+                return release, folder
+        return None
+
     def find_all(self) -> list[SeriesRelease]:
         """Return every readable release under ``library_root/``.
 
@@ -198,6 +213,18 @@ class DotAlfredMovieReleaseRepository:
                 return release
         return None
 
+    def load_by_tmdb_id(self, tmdb_id: TmdbId) -> MovieRelease | None:
+        """Return the :class:`MovieRelease` for ``tmdb_id``, or ``None``.
+
+        Movies carry their folder on ``release.folder`` (one-folder-
+        one-file convention), so no separate folder name is returned —
+        this is just a semantic alias of :meth:`find_by_tmdb_id`
+        provided for symmetry with
+        :meth:`DotAlfredSeriesReleaseRepository.load_by_tmdb_id`, the
+        sync orchestrators rely on the same name on both sides.
+        """
+        return self.find_by_tmdb_id(tmdb_id)
+
     def find_all(self) -> list[MovieRelease]:
         return [release for _folder, release in self._iter_library()]
 

tests/infrastructure/persistence/dot_alfred/v2/test_release_repository.py

@@ -90,6 +90,30 @@ class TestSeriesReleaseRepositoryReads:
         assert len(results) == 1
 
 
+class TestSeriesReleaseRepositoryLoadByTmdbId:
+    def test_returns_release_and_folder_tuple(
+        self, tv_library, foundation_release
+    ):
+        repo = DotAlfredSeriesReleaseRepository(tv_library)
+        repo.save(foundation_release, show_folder="Foundation")
+        result = repo.load_by_tmdb_id(TmdbId(84958))
+        assert result is not None
+        release, folder = result
+        assert release == foundation_release
+        assert folder == "Foundation"
+
+    def test_returns_none_when_tmdb_id_absent(
+        self, tv_library, foundation_release
+    ):
+        repo = DotAlfredSeriesReleaseRepository(tv_library)
+        repo.save(foundation_release, show_folder="Foundation")
+        assert repo.load_by_tmdb_id(TmdbId(999999)) is None
+
+    def test_returns_none_on_empty_library(self, tv_library):
+        repo = DotAlfredSeriesReleaseRepository(tv_library)
+        assert repo.load_by_tmdb_id(TmdbId(84958)) is None
+
+
 class TestSeriesReleaseRepositoryDelete:
     def test_delete_removes_sidecar(self, tv_library, foundation_release):
         repo = DotAlfredSeriesReleaseRepository(tv_library)
@@ -123,6 +147,20 @@ class TestMovieReleaseRepository:
         restored = repo.find_by_tmdb_id(TmdbId(27205))
         assert restored == inception_release
 
+    def test_load_by_tmdb_id_returns_release(
+        self, movie_library, inception_release
+    ):
+        repo = DotAlfredMovieReleaseRepository(movie_library)
+        repo.save(inception_release)
+        assert repo.load_by_tmdb_id(TmdbId(27205)) == inception_release
+
+    def test_load_by_tmdb_id_returns_none_when_absent(
+        self, movie_library, inception_release
+    ):
+        repo = DotAlfredMovieReleaseRepository(movie_library)
+        repo.save(inception_release)
+        assert repo.load_by_tmdb_id(TmdbId(999999)) is None
+
     def test_anchor_mismatch_logs_warning(
         self, movie_library, inception_release, caplog
     ):