V1 mostly complete except for some testing. Linting in the last step changed nearly every file which is why this commit is so larger.

tests/services/test_transcription_external.py

@@ -7,7 +7,6 @@ import pytest
 
 from transcription.services.transcription import transcribe_document_image
 
-
 HAS_OPENROUTER_KEY = bool(os.getenv("OPENROUTER_API_KEY"))
 
 REAL_IMAGES_DIR = Path(__file__).resolve().parents[1] / "fixtures" / "images" / "real"
@@ -68,4 +67,4 @@ class TestRealImageExternalTranscription:
             f"{result.text}\n"
         )
         artifact_path.write_text(artifact_text, encoding="utf-8")
-        assert artifact_path.exists()
+        assert artifact_path.exists()