V4.1 Mostly UI adjustments by GC

tests/ui/test_sources_page.py

@@ -4,11 +4,13 @@ from pathlib import Path
 
 import pytest
 from sqlmodel import select
-from sqlmodel.ext.asyncio.session import AsyncSession
 
 from transcription.db import session_scope
-from transcription.db.models import Document, Job, JobSourceStatus, JobStatus, Source
-
+from transcription.db.models import Document
+from transcription.db.models import Job
+from transcription.db.models import JobSourceStatus
+from transcription.db.models import JobStatus
+from transcription.db.models import Source
 
 # --- Unit Tests for Model @property Definitions ---
 
@@ -99,6 +101,7 @@ class TestSourcesPageRendering:
         assert response.status_code == 200
         assert "page_one.png" in response.text
         assert "Source Document" in response.text
+        assert "Stored Filename" not in response.text
 
     @pytest.mark.asyncio
     async def test_sources_page_filters_to_document_context(self, app_client):
@@ -211,6 +214,8 @@ class TestSourcesPageRendering:
         assert "original transcription text" in response.text
         assert "human revision text" in response.text
         assert "Save revision" in response.text
+        assert "Previous Page" in response.text
+        assert "Next Page" in response.text
 
     @pytest.mark.asyncio
     async def test_source_delete_page_blocks_when_source_is_job_linked(