diff --git a/src/transcription/ui/components/table/sources.py b/src/transcription/ui/components/table/sources.py
index 3a97774..955935b 100644
--- a/src/transcription/ui/components/table/sources.py
+++ b/src/transcription/ui/components/table/sources.py
@@ -48,7 +48,7 @@ def render_sources_table(rows: Sequence[SourceTableRow]) -> None:
     """Render sources table and open detail page when clicking a row."""
     if not rows:
         with archival_card(extra_classes="p-8 text-center"):
-            render_empty_state("No source file records found in repository.")
+            render_empty_state("No source asset records found in repository.")
         return
 
     table = build_table(
diff --git a/src/transcription/ui/components/viewers.py b/src/transcription/ui/components/viewers.py
index a8c7321..68c5c7f 100644
--- a/src/transcription/ui/components/viewers.py
+++ b/src/transcription/ui/components/viewers.py
@@ -30,59 +30,72 @@ def dark_room_viewer(
                     .style("transform-origin: center center;")
                 )
 
+                viewer_key = str(img.id)
+
                 # Client-side JavaScript state management for smooth panning and scaling
                 js_pan_zoom = f"""
-                const viewport = getElement('{viewport.id}');
-                const img = getElement('{img.id}');
-                
-                let scale = 1;
-                let pointX = 0;
-                let pointY = 0;
-                let startX = 0;
-                let startY = 0;
-                let isDragging = false;
+                (() => {{
+                    const viewport = document.getElementById('{viewport.id}');
+                    const img = document.getElementById('{img.id}');
+                    if (!viewport || !img) return;
 
-                function updateTransform() {{
-                    img.style.transform = `translate(${{pointX}}px, ${{pointY}}px) scale(${{scale}})`;
-                }}
+                    let scale = 1;
+                    let pointX = 0;
+                    let pointY = 0;
+                    let startX = 0;
+                    let startY = 0;
+                    let isDragging = false;
 
-                // Mouse Wheel Zooming
-                viewport.onwheel = function(e) {{
-                    e.preventDefault();
-                    const xs = (e.clientX - pointX) / scale;
-                    const ys = (e.clientY - pointY) / scale;
-                    
-                    const delta = -e.deltaY;
-                    (delta > 0) ? (scale *= 1.15) : (scale /= 1.15);
-                    scale = Math.min(Math.max(0.5, scale), 8); // Constrain zoom level (0.5x to 8x)
-                    
-                    updateTransform();
-                }};
+                    function updateTransform() {{
+                        img.style.transform = `translate(${{pointX}}px, ${{pointY}}px) scale(${{scale}})`;
+                    }}
 
-                // Mouse Drag Panning
-                viewport.onmousedown = function(e) {{
-                    e.preventDefault();
-                    startX = e.clientX - pointX;
-                    startY = e.clientY - pointY;
-                    isDragging = true;
-                }};
+                    function zoomIn() {{
+                        scale = Math.min(scale * 1.25, 8);
+                        updateTransform();
+                    }}
 
-                window.onmouseup = function() {{
-                    isDragging = false;
-                }};
+                    function zoomOut() {{
+                        scale = Math.max(scale / 1.25, 0.5);
+                        updateTransform();
+                    }}
 
-                viewport.onmousemove = function(e) {{
-                    if (!isDragging) return;
-                    e.preventDefault();
-                    pointX = e.clientX - startX;
-                    pointY = e.clientY - startY;
-                    updateTransform();
-                }};
+                    function resetZoom() {{
+                        scale = 1;
+                        pointX = 0;
+                        pointY = 0;
+                        updateTransform();
+                    }}
 
-                // Global function handles for external control toolbar
-                window.resetZoom_{img.id} = function() {{ scale = 1; pointX = 0; pointY = 0; updateTransform(); }};
-                window.zoomIn_{img.id} = function() {{ scale = Math.min(scale * 1.25, 8); updateTransform(); }};
-                window.zoomOut_{img.id} = function() {{ scale = Math.max(scale / 1.25, 0.5); updateTransform(); }};
+                    viewport.addEventListener('wheel', (e) => {{
+                        e.preventDefault();
+                        const delta = -e.deltaY;
+                        if (delta > 0) zoomIn();
+                        else zoomOut();
+                    }}, {{ passive: false }});
+
+                    viewport.addEventListener('mousedown', (e) => {{
+                        e.preventDefault();
+                        startX = e.clientX - pointX;
+                        startY = e.clientY - pointY;
+                        isDragging = true;
+                    }});
+
+                    window.addEventListener('mouseup', () => {{
+                        isDragging = false;
+                    }});
+
+                    viewport.addEventListener('mousemove', (e) => {{
+                        if (!isDragging) return;
+                        e.preventDefault();
+                        pointX = e.clientX - startX;
+                        pointY = e.clientY - startY;
+                        updateTransform();
+                    }});
+
+                    window.__darkRoomViewer = window.__darkRoomViewer || {{}};
+                    window.__darkRoomViewer['{viewer_key}'] = {{ zoomIn, zoomOut, resetZoom }};
+                }})();
                 """
                 ui.run_javascript(js_pan_zoom)
 
@@ -90,17 +103,17 @@ def dark_room_viewer(
             with ui.row().classes("w-full justify-center items-center gap-2 mt-2 pt-2 border-t ui-border-viewer"):
                 ui.button(
                     icon="zoom_in",
-                    on_click=lambda: ui.run_javascript(f"window.zoomIn_{img.id}()"),
+                    on_click=lambda: ui.run_javascript(f"window.__darkRoomViewer?.['{viewer_key}']?.zoomIn?.()"),
                 ).props("flat round dense color=white text-xs").tooltip("Zoom In")
 
                 ui.button(
                     icon="zoom_out",
-                    on_click=lambda: ui.run_javascript(f"window.zoomOut_{img.id}()"),
+                    on_click=lambda: ui.run_javascript(f"window.__darkRoomViewer?.['{viewer_key}']?.zoomOut?.()"),
                 ).props("flat round dense color=white text-xs").tooltip("Zoom Out")
 
                 ui.button(
                     icon="center_focus_strong",
-                    on_click=lambda: ui.run_javascript(f"window.resetZoom_{img.id}()"),
+                    on_click=lambda: ui.run_javascript(f"window.__darkRoomViewer?.['{viewer_key}']?.resetZoom?.()"),
                 ).props("flat round dense color=white text-xs").tooltip("Reset View")
 
         else:
diff --git a/src/transcription/ui/pages/people_page.py b/src/transcription/ui/pages/people_page.py
index 96789d8..88b0431 100644
--- a/src/transcription/ui/pages/people_page.py
+++ b/src/transcription/ui/pages/people_page.py
@@ -3,6 +3,8 @@
 from __future__ import annotations
 
 from datetime import date
+from pathlib import Path
+from typing import Any
 from urllib.parse import quote
 from uuid import UUID, uuid4
 
@@ -16,7 +18,7 @@ from transcription.services.documents import DocumentError, DocumentService
 from transcription.services.store import UploadError, store_person_portrait
 from transcription.ui.components.app_shell import render_navigation_header
 from transcription.ui.components.cards import archival_card
-from transcription.ui.components.data_display import archival_badge, metadata_row
+from transcription.ui.components.data_display import metadata_row
 from transcription.ui.components.error_presenter import show_error
 from transcription.ui.components.primitives import (
     destructive_button,
@@ -121,7 +123,7 @@ def register_page() -> None:  # noqa: PLR0915
                 ui.button("Cancel", on_click=lambda: ui.navigate.to("/people"), icon="arrow_back").props("flat")
 
     @ui.page("/people/{person_id}")
-    async def person_detail_page(person_id: str, session_factory: SessionFactoryDep) -> None:
+    async def person_detail_page(person_id: str, request: Request, session_factory: SessionFactoryDep) -> None:
         people_service = DocumentService(session_factory=session_factory)
         render_navigation_header(current_path="/people")
 
@@ -157,7 +159,11 @@ def register_page() -> None:  # noqa: PLR0915
                     )
 
             with ui.grid().classes("w-full grid-cols-12 gap-4"):
-                _render_person_portrait_zone(person)
+                _render_person_portrait_zone(
+                    person,
+                    settings=_resolve_runtime_settings(request),
+                    request=request,
+                )
                 _render_person_biographical_zone(person)
                 _render_person_biography_zone(person)
 
@@ -338,8 +344,8 @@ def _render_person_form_fields(
     }
 
 
-def _render_person_portrait_zone(person: Person) -> None:
-    portrait_src = _resolve_portrait_src(person.portrait_path)
+def _render_person_portrait_zone(person: Person, *, settings: Settings, request: Request) -> None:
+    portrait_src = _resolve_portrait_src(person.portrait_path, settings=settings, request=request)
     with ui.column().classes("col-span-12 lg:col-span-4"):
         dark_room_viewer(portrait_src, count_label="Portrait Media")
 
@@ -425,7 +431,7 @@ def _bind_portrait_file_picker(portrait_path_input: ui.input, *, settings: Setti
     ui.label(f"Portraits are stored under {portrait_dir}.").classes("text-xs ui-text-muted")
 
 
-def _resolve_portrait_src(path: str | None) -> str | None:
+def _resolve_portrait_src(path: str | None, *, settings: Settings, request: Request) -> str | None:
     candidate = (path or "").strip()
     if not candidate:
         return None
@@ -434,11 +440,52 @@ def _resolve_portrait_src(path: str | None) -> str | None:
     lowered = normalized.casefold()
     if lowered.startswith(("http://", "https://", "data:")):
         return normalized
-    if normalized.startswith("/"):
-        return normalized
+    if normalized.startswith("/uploads/"):
+        return _to_absolute_upload_url(normalized, request=request)
+
+    upload_dir = settings.upload_dir.resolve()
+    path_obj = Path(candidate)
+
+    if path_obj.is_absolute():
+        absolute_candidates = [path_obj.resolve()]
+    else:
+        absolute_candidates = [
+            (Path.cwd() / path_obj).resolve(),
+            (upload_dir / path_obj).resolve(),
+        ]
+
+    for absolute_candidate in absolute_candidates:
+        try:
+            relative = absolute_candidate.relative_to(upload_dir).as_posix()
+            return _to_absolute_upload_url(f"/uploads/{quote(relative)}", request=request)
+        except ValueError:
+            continue
+
+    upload_name = upload_dir.name.casefold()
+    normalized_parts = Path(normalized).parts
+    lowered_parts = [part.casefold() for part in normalized_parts]
+    if upload_name in lowered_parts:
+        idx = lowered_parts.index(upload_name)
+        relative = Path(*normalized_parts[idx + 1 :]).as_posix()
+        if relative:
+            return _to_absolute_upload_url(f"/uploads/{quote(relative)}", request=request)
+
     if lowered.startswith("uploads/"):
-        return f"/{normalized}"
-    return f"/uploads/{quote(normalized)}"
+        return _to_absolute_upload_url(f"/{normalized}", request=request)
+    if lowered.startswith("data/"):
+        relative = normalized.split("/", 1)[1] if "/" in normalized else ""
+        if relative:
+            return _to_absolute_upload_url(f"/uploads/{quote(relative)}", request=request)
+    if lowered.startswith(("documents/", "persons/")):
+        return _to_absolute_upload_url(f"/uploads/{quote(normalized)}", request=request)
+
+    return _to_absolute_upload_url(f"/uploads/{quote(path_obj.name)}", request=request)
+
+
+def _to_absolute_upload_url(path: str, *, request: Request) -> str:
+    base = str(request.base_url).rstrip("/")
+    normalized_path = path if path.startswith("/") else f"/{path}"
+    return f"{base}{normalized_path}"
 
 
 def _resolve_runtime_settings(request: Request) -> Settings:
diff --git a/src/transcription/ui/pages/sources_page.py b/src/transcription/ui/pages/sources_page.py
index 62c19ea..8902d11 100644
--- a/src/transcription/ui/pages/sources_page.py
+++ b/src/transcription/ui/pages/sources_page.py
@@ -1,154 +1,457 @@
-"""Sources UI page module for VibeScribe."""
+"""Sources list and detail page registration."""
 
 from __future__ import annotations
 
-from typing import Optional
+from pathlib import Path
+from urllib.parse import quote
 from uuid import UUID
 
+from fastapi import Request
 from nicegui import ui
 
-from transcription.services.transcription import TranscriptionNotFoundError
-from transcription.services.transcription import TranscriptionService
+from transcription.config import Settings, get_settings
+from transcription.db.models import JobSource, Source
+from transcription.services.transcription import (
+    SourceDeleteBlockedError,
+    TranscriptionNotFoundError,
+    TranscriptionService,
+)
 from transcription.ui.components.app_shell import render_navigation_header
 from transcription.ui.components.cards import archival_card
+from transcription.ui.components.data_display import archival_badge, metadata_row
 from transcription.ui.components.error_presenter import show_error
-from transcription.ui.components.primitives import section_header_row
-from transcription.ui.components.primitives import render_empty_state
+from transcription.ui.components.primitives import destructive_button, render_empty_state, section_header_row
+from transcription.ui.components.table.sources import SourceTableRow, render_sources_table
+from transcription.ui.components.viewers import dark_room_viewer
 from transcription.ui.theme import page_header
 
 from ...db.session import SessionFactoryDep
 
 
-async def sources_page(
-    session_factory: SessionFactoryDep,
-    document_id: Optional[str] = None,
-    job_id: Optional[str] = None,
-) -> None:
-    """Render the master or context-filtered sources page."""
-    sources_service = TranscriptionService(session_factory=session_factory)
-    parsed_doc_id: Optional[UUID] = None
-    parsed_job_id: Optional[UUID] = None
+def register_page() -> None:
+    """Register sources list, detail, and deletion routes."""
+
+    @ui.page("/sources")
+    async def sources_page(
+        session_factory: SessionFactoryDep,
+        document_id: str | None = None,
+        job_id: str | None = None,
+    ) -> None:
+        sources_service = TranscriptionService(session_factory=session_factory)
+        parsed_doc_id = _parse_uuid(document_id)
+        parsed_job_id = _parse_uuid(job_id)
+
+        header_title = "Source Asset Records"
+        if parsed_doc_id is not None:
+            header_title = "Sources for Document"
+        elif parsed_job_id is not None:
+            header_title = "Sources for Job"
 
-    if document_id:
         try:
-            parsed_doc_id = UUID(document_id)
-        except ValueError:
-            pass
-
-    if job_id:
-        try:
-            parsed_job_id = UUID(job_id)
-        except ValueError:
-            pass
-
-    try:
-        sources = await sources_service.list_sources_detail(document_id=parsed_doc_id, job_id=parsed_job_id)
-    except Exception as exc:  # noqa: BLE001
-        show_error(exc, title="Load failed", operation="sources.list")
-        return
-
-    header_title = "Source Asset Records"
-    if parsed_doc_id:
-        header_title = "Sources for Document"
-    elif parsed_job_id:
-        header_title = "Sources for Job"
-
-    render_navigation_header(current_path="/sources")
-
-    with ui.column().classes("w-full max-w-7xl mx-auto p-6 gap-6"):
-        with section_header_row():
-            page_header(header_title)
-
-        if not sources:
-            with archival_card(extra_classes="p-8 text-center"):
-                render_empty_state("No source file records found in repository.")
+            sources = await sources_service.list_sources_detail(document_id=parsed_doc_id, job_id=parsed_job_id)
+        except Exception as exc:  # noqa: BLE001
+            show_error(exc, title="Load failed", operation="sources.list")
             return
 
-        columns = [
-            {"name": "upload_name", "label": "Upload Name", "field": "upload_name", "align": "left", "sortable": True},
-            {"name": "document_name", "label": "Document Context", "field": "document_name", "align": "left", "sortable": True},
-            {"name": "page_number", "label": "Page #", "field": "page_number", "align": "center", "sortable": True},
-            {"name": "status", "label": "Latest Status", "field": "status", "align": "center", "sortable": True},
-            {"name": "revised", "label": "Human Revised", "field": "revised", "align": "center", "sortable": True},
-            {"name": "actions", "label": "Actions", "field": "actions", "align": "right"},
-        ]
+        render_navigation_header(current_path="/sources")
 
-        rows = [
-            {
-                "id": str(source.id),
-                "upload_name": source.upload_name,
-                "document_name": source.document_name or "Unlinked Document",
-                "page_number": source.page_number,
-                "status": source.latest_status.value if source.latest_status else "Unprocessed",
-                "revised": "Yes" if source.revised_text else "No",
-                "error_detail": source.latest_error_detail,
-            }
-            for source in sources
-        ]
+        with ui.column().classes("w-full max-w-7xl mx-auto p-4 gap-4"):
+            with section_header_row():
+                page_header(header_title)
+                if parsed_doc_id is not None:
+                    ui.button(
+                        "Back to Document",
+                        on_click=lambda: ui.navigate.to(f"/documents/{parsed_doc_id}"),
+                        icon="arrow_back",
+                    ).props("flat")
+                elif parsed_job_id is not None:
+                    ui.button(
+                        "Back to Job",
+                        on_click=lambda: ui.navigate.to(f"/jobs/{parsed_job_id}"),
+                        icon="arrow_back",
+                    ).props("flat")
+                else:
+                    ui.button(
+                        "Create Job",
+                        on_click=lambda: ui.navigate.to("/jobs/new"),
+                        icon="add",
+                    ).classes("ui-btn-primary")
 
-        with archival_card(extra_classes="p-0 overflow-hidden"):
-            table = ui.table(columns=columns, rows=rows, row_key="id").classes("w-full ui-table")
+            rows = [
+                SourceTableRow(
+                    id=source.id,
+                    page_number=source.page_number,
+                    upload_name=source.upload_name,
+                    filename=source.filename,
+                    document_id=source.document_id,
+                    document_name=source.document_name,
+                    job_source_status=source.latest_status.value if source.latest_status else "unprocessed",
+                    job_source_error_detail=source.latest_error_detail,
+                )
+                for source in sorted(sources, key=lambda item: (item.page_number, item.upload_name.casefold()))
+            ]
+            render_sources_table(rows)
 
-            table.add_slot(
-                "body-cell-actions",
-                r"""
-                <q-td :props="props">
-                    <q-btn flat round dense icon="visibility" color="primary" @click="() => $parent.$emit('view_source', props.row.id)" />
-                    <q-btn flat round dense icon="delete" color="negative" @click="() => $parent.$emit('delete_source', props.row.id)" />
-                </q-td>
-                """,
-            )
+            if parsed_doc_id is None and parsed_job_id is None:
+                ui.label("Open a source row to inspect AI output and add human revisions.").classes("text-xs ui-text-muted")
 
-            table.on("view_source", lambda e: ui.navigate.to(f"/sources/{e.args}"))
-            table.on("delete_source", lambda e: ui.navigate.to(f"/sources/{e.args}/delete"))
+    @ui.page("/sources/{source_id}")
+    async def source_detail_page(source_id: str, request: Request, session_factory: SessionFactoryDep) -> None:
+        sources_service = TranscriptionService(session_factory=session_factory)
+        parsed_source_id = _parse_uuid(source_id)
 
+        render_navigation_header(current_path="/sources")
 
-async def source_detail_page(source_id: str, session_factory: SessionFactoryDep) -> None:
-    """Render individual source detail preview and revision workspace."""
-    _ = session_factory
+        if parsed_source_id is None:
+            ui.label("Invalid source id").classes("text-h6 ui-text-danger p-4")
+            return
 
-    render_navigation_header(current_path="/sources")
-
-    with ui.column().classes("w-full max-w-7xl mx-auto p-6 gap-6"):
-        with archival_card(title=f"Source Record: {source_id}"):
-            ui.label("Source Preview & Revision Workspace").classes("ui-text-muted")
-
-
-async def source_delete_page(source_id: str, session_factory: SessionFactoryDep) -> None:
-    """Render source deletion confirmation workspace."""
-    sources_service = TranscriptionService(session_factory=session_factory)
-    parsed_source_id: UUID | None = None
-    try:
-        parsed_source_id = UUID(source_id)
-    except ValueError:
-        parsed_source_id = None
-
-    is_linked = False
-    if parsed_source_id is not None:
         try:
             source = await sources_service.read_source_detail(parsed_source_id)
-            is_linked = bool(source.job_sources)
         except TranscriptionNotFoundError:
-            is_linked = False
+            ui.label("Source not found").classes("text-h6 ui-text-danger p-4")
+            return
+        except Exception as exc:  # noqa: BLE001
+            show_error(exc, title="Load failed", operation="sources.read")
+            return
+
+        latest_job_source = _latest_job_source(source)
+        original_transcription = _resolve_original_transcription(source=source, latest_job_source=latest_job_source)
+
+        with ui.column().classes("w-full max-w-[1800px] mx-auto p-4 gap-4"):
+            with section_header_row():
+                page_header(
+                    f"Source Page {source.page_number}: {source.upload_name}",
+                    subtitle=f"Source ID: {source.id}",
+                )
+                with ui.row().classes("items-center gap-2"):
+                    ui.button(
+                        "Back to Sources",
+                        on_click=lambda: ui.navigate.to("/sources"),
+                        icon="arrow_back",
+                    ).props("flat")
+                    destructive_button(
+                        "Delete Source",
+                        on_click=lambda: ui.navigate.to(f"/sources/{source.id}/delete"),
+                        icon="delete",
+                        extra_classes="text-xs",
+                    )
+
+            with ui.grid().classes("w-full grid-cols-12 gap-4"):
+                _render_source_viewer_zone(
+                    source,
+                    settings=_resolve_runtime_settings(request),
+                    request=request,
+                )
+                _render_source_transcription_column(
+                    source=source,
+                    original_transcription=original_transcription,
+                    latest_job_source=latest_job_source,
+                    sources_service=sources_service,
+                )
+                _render_source_metadata_column(source=source, latest_job_source=latest_job_source)
+
+    @ui.page("/sources/{source_id}/delete")
+    async def source_delete_page(source_id: str, session_factory: SessionFactoryDep) -> None:
+        sources_service = TranscriptionService(session_factory=session_factory)
+        parsed_source_id = _parse_uuid(source_id)
+
+        render_navigation_header(current_path="/sources")
+
+        if parsed_source_id is None:
+            ui.label("Invalid source id").classes("text-h6 ui-text-danger p-4")
+            return
+
+        try:
+            source = await sources_service.read_source_detail(parsed_source_id)
+        except TranscriptionNotFoundError:
+            ui.label("Source not found").classes("text-h6 ui-text-danger p-4")
+            return
         except Exception as exc:  # noqa: BLE001
             show_error(exc, title="Load failed", operation="sources.delete.read")
             return
 
-    render_navigation_header(current_path="/sources")
+        with ui.column().classes("w-full max-w-xl mx-auto p-4 gap-4"):
+            page_header("Delete Source Record")
 
-    with ui.column().classes("w-full max-w-7xl mx-auto p-6 gap-6"):
-        with archival_card(title="Delete Source Confirmation"):
-            if parsed_source_id is None:
-                ui.label("Invalid source id").classes("text-h6 ui-text-danger p-4")
+            with archival_card(extra_classes="gap-2"):
+                ui.label(f"Source: {source.upload_name}").classes("text-sm font-semibold ui-text-primary")
+
+                if source.job_sources:
+                    ui.label("Delete is only available for unlinked sources.").classes("text-xs ui-text-danger font-bold mt-2")
+                    ui.label("Open the related job record and remove job links first.").classes("text-xs ui-text-muted italic")
+                    with ui.row().classes("w-full items-center gap-2 mt-4"):
+                        ui.button(
+                            "Back to Source",
+                            on_click=lambda: ui.navigate.to(f"/sources/{source.id}"),
+                            icon="arrow_back",
+                        ).classes("ui-btn-primary text-xs")
+                        ui.button(
+                            "Go to Jobs",
+                            on_click=lambda: ui.navigate.to("/jobs"),
+                            icon="work_history",
+                        ).props("flat text-xs")
+                    return
+
+                ui.label("This action permanently deletes the source record.").classes("text-xs ui-text-danger font-medium")
+
+            async def submit_delete() -> None:
+                try:
+                    await sources_service.delete_unlinked_source(source_id=source.id)
+                except SourceDeleteBlockedError as exc:
+                    ui.notify(exc.message, type="warning")
+                    return
+                except TranscriptionNotFoundError:
+                    ui.notify("Source not found.", type="warning")
+                    ui.navigate.to("/sources")
+                    return
+                except Exception as exc:  # noqa: BLE001
+                    show_error(exc, title="Delete failed", operation="sources.delete")
+                    return
+
+                ui.notify("Source deleted", type="positive")
+                ui.navigate.to("/sources")
+
+            with ui.row().classes("w-full items-center gap-2 mt-2"):
+                destructive_button("Delete source permanently", on_click=submit_delete, icon="delete_forever", variant="solid")
+                ui.button("Cancel", on_click=lambda: ui.navigate.to(f"/sources/{source.id}"), icon="arrow_back").props("flat")
+
+
+def _render_source_viewer_zone(source: Source, *, settings: Settings, request: Request) -> None:
+    with ui.column().classes("col-span-12 lg:col-span-6"):
+        dark_room_viewer(
+            _resolve_source_media_src(source.file_path, settings=settings, request=request),
+            count_label=f"Page {source.page_number}",
+        )
+
+
+def _render_source_transcription_column(
+    *,
+    source: Source,
+    original_transcription: str | None,
+    latest_job_source: JobSource | None,
+    sources_service: TranscriptionService,
+) -> None:
+    with ui.column().classes("col-span-12 lg:col-span-3 gap-4"):
+        _render_source_transcription_zone(
+            source=source,
+            original_transcription=original_transcription,
+            latest_job_source=latest_job_source,
+            sources_service=sources_service,
+        )
+
+
+def _render_source_metadata_column(*, source: Source, latest_job_source: JobSource | None) -> None:
+    with ui.column().classes("col-span-12 lg:col-span-3 gap-4"):
+        _render_source_metadata_zone(source)
+        _render_source_job_metadata_zone(latest_job_source)
+        _render_source_revision_logistics_zone(source)
+
+
+def _render_source_metadata_zone(source: Source) -> None:
+    with archival_card(title="Source Metadata"):
+        metadata_row("Upload Name:", source.upload_name)
+        metadata_row("Stored Filename:", source.filename)
+        metadata_row("Page Number:", str(source.page_number))
+        metadata_row("Document Name:", source.document_name or "Not set")
+        metadata_row("Document ID:", str(source.document_id))
+        metadata_row("Stored Path:", source.file_path)
+
+
+def _render_source_job_metadata_zone(latest_job_source: JobSource | None) -> None:
+    with archival_card(title="SourceJob Metadata"):
+        if latest_job_source is None:
+            render_empty_state("No job execution metadata available yet.", italic=True)
+            return
+
+        status = latest_job_source.status.value
+        with ui.row().classes("w-full justify-between items-center mb-2"):
+            ui.label("Latest Status").classes("text-xs ui-text-muted")
+            archival_badge(status)
+
+        metadata_row("Job ID:", str(latest_job_source.job_id))
+        metadata_row("Executed:", latest_job_source.executed_at.isoformat())
+        metadata_row(
+            "Provider:",
+            latest_job_source.job.provider if latest_job_source.job and latest_job_source.job.provider else "unknown",
+        )
+        metadata_row(
+            "Model:",
+            latest_job_source.job.model if latest_job_source.job and latest_job_source.job.model else "unknown",
+        )
+        metadata_row(
+            "Prompt:",
+            latest_job_source.job.prompt_name if latest_job_source.job and latest_job_source.job.prompt_name else "unknown",
+        )
+
+        if latest_job_source.error_detail:
+            with ui.column().classes("w-full mt-2"):
+                ui.label("Failure Detail:").classes("ui-text-muted text-xs mb-1")
+                ui.label(latest_job_source.error_detail).classes("p-2 ui-note-box text-xs")
+
+
+def _render_source_revision_logistics_zone(source: Source) -> None:
+    with archival_card(title="Revision Logistics"):
+        metadata_row("Revised:", "Yes" if source.revised_text else "No")
+        metadata_row(
+            "Last Revised:",
+            source.date_revised.isoformat() if source.date_revised is not None else "Not revised",
+        )
+        metadata_row("Uploaded:", source.date_uploaded.isoformat())
+
+
+def _render_source_transcription_zone(
+    *,
+    source: Source,
+    original_transcription: str | None,
+    latest_job_source: JobSource | None,
+    sources_service: TranscriptionService,
+) -> None:
+    with archival_card(title="Transcription Text"):
+        if original_transcription:
+            ui.label(original_transcription).classes("p-2 ui-note-box text-xs whitespace-pre-wrap")
+        else:
+            render_empty_state("No transcription text available yet.", italic=True)
+
+    with archival_card(title="Editable Revision"):
+        seed_revision = source.revised_text if source.revised_text is not None else (original_transcription or "")
+        revision_input = ui.textarea(
+            label="Revised transcription",
+            value=seed_revision,
+        ).props("outlined autogrow").classes("w-full ui-form-surface")
+
+        save_state = ui.label(
+            f"Last saved: {source.date_revised.isoformat()}"
+            if source.date_revised is not None
+            else "No revision saved yet."
+        ).classes("text-xs ui-text-muted")
+
+        async def submit_revision() -> None:
+            revised_text = (revision_input.value or "").strip()
+            if not revised_text:
+                ui.notify("Revised transcription cannot be empty.", type="warning")
                 return
-            if is_linked:
-                ui.label("Cannot delete source linked to active jobs.").classes("ui-text-danger")
-            else:
-                ui.label(f"Are you sure you want to delete source {source_id}?").classes("ui-text-muted")
+
+            try:
+                updated = await sources_service.upsert_revision_for_source(
+                    source_id=source.id,
+                    text=revised_text,
+                )
+            except TranscriptionNotFoundError:
+                ui.notify("Source not found.", type="warning")
+                ui.navigate.to("/sources")
+                return
+            except Exception as exc:  # noqa: BLE001
+                show_error(exc, title="Save failed", operation="sources.revision.save")
+                return
+
+            source.revised_text = updated.revised_text
+            source.date_revised = updated.date_revised
+            save_state.text = (
+                f"Last saved: {updated.date_revised.isoformat()}" if updated.date_revised is not None else "Revision saved."
+            )
+            ui.notify("Revision saved", type="positive")
+
+        with ui.row().classes("w-full items-center gap-2 mt-2"):
+            ui.button("Save revision", on_click=submit_revision, icon="save").classes("ui-btn-primary")
+            ui.button("Reset", on_click=lambda: _reset_revision_text(revision_input, source, original_transcription), icon="refresh").props("flat")
+
+        if latest_job_source is not None and latest_job_source.status.value == "failed":
+            ui.label("Source has a failed job execution. Save a human revision to preserve corrected text.").classes(
+                "text-xs ui-text-muted italic"
+            )
 
 
-def register_page() -> None:
-    """Register all source-related UI routes with the application router."""
-    ui.page("/sources")(sources_page)
-    ui.page("/sources/{source_id}")(source_detail_page)
-    ui.page("/sources/{source_id}/delete")(source_delete_page)
\ No newline at end of file
+def _reset_revision_text(revision_input: ui.textarea, source: Source, original_transcription: str | None) -> None:
+    fallback_text = source.revised_text if source.revised_text is not None else (original_transcription or "")
+    revision_input.value = fallback_text
+
+
+def _latest_job_source(source: Source) -> JobSource | None:
+    if not source.job_sources:
+        return None
+    return max(source.job_sources, key=lambda item: item.executed_at)
+
+
+def _resolve_original_transcription(*, source: Source, latest_job_source: JobSource | None) -> str | None:
+    if latest_job_source is not None and latest_job_source.raw_transcription:
+        return latest_job_source.raw_transcription
+    return source.raw_transcription
+
+
+def _resolve_source_media_src(path: str | None, *, settings: Settings, request: Request) -> str | None:
+    candidate = (path or "").strip()
+    if not candidate:
+        return None
+
+    normalized = candidate.replace("\\", "/")
+    lowered = normalized.casefold()
+
+    if lowered.startswith(("http://", "https://", "data:")):
+        return normalized
+    if normalized.startswith("/uploads/"):
+        return _to_absolute_upload_url(normalized, request=request)
+
+    upload_dir = settings.upload_dir.resolve()
+    path_obj = Path(candidate)
+
+    # Case 1: absolute filesystem path
+    if path_obj.is_absolute():
+        absolute_candidates = [path_obj.resolve()]
+    else:
+        # Case 2: relative path that may already include data root name (e.g. data/documents/...)
+        absolute_candidates = [
+            (Path.cwd() / path_obj).resolve(),
+            (upload_dir / path_obj).resolve(),
+        ]
+
+    for absolute_candidate in absolute_candidates:
+        try:
+            relative = absolute_candidate.relative_to(upload_dir).as_posix()
+            return _to_absolute_upload_url(f"/uploads/{quote(relative)}", request=request)
+        except ValueError:
+            continue
+
+    # Fallback: if path contains upload-dir folder name, strip through that segment.
+    upload_name = upload_dir.name.casefold()
+    normalized_parts = Path(normalized).parts
+    lowered_parts = [part.casefold() for part in normalized_parts]
+    if upload_name in lowered_parts:
+        idx = lowered_parts.index(upload_name)
+        relative = Path(*normalized_parts[idx + 1 :]).as_posix()
+        if relative:
+            return _to_absolute_upload_url(f"/uploads/{quote(relative)}", request=request)
+
+    # Final fallback: treat as already relative to upload root.
+    if lowered.startswith("uploads/"):
+        return _to_absolute_upload_url(f"/{normalized}", request=request)
+    if lowered.startswith("data/"):
+        relative = normalized.split("/", 1)[1] if "/" in normalized else ""
+        if relative:
+            return _to_absolute_upload_url(f"/uploads/{quote(relative)}", request=request)
+    if lowered.startswith("documents/") or lowered.startswith("persons/"):
+        return _to_absolute_upload_url(f"/uploads/{quote(normalized)}", request=request)
+
+    return _to_absolute_upload_url(f"/uploads/{quote(path_obj.name)}", request=request)
+
+
+def _to_absolute_upload_url(path: str, *, request: Request) -> str:
+    base = str(request.base_url).rstrip("/")
+    normalized_path = path if path.startswith("/") else f"/{path}"
+    return f"{base}{normalized_path}"
+
+
+def _resolve_runtime_settings(request: Request) -> Settings:
+    app_settings = getattr(request.app.state, "settings", None)
+    if isinstance(app_settings, Settings):
+        return app_settings
+    return get_settings()
+
+
+def _parse_uuid(value: str | None) -> UUID | None:
+    if not value:
+        return None
+    try:
+        return UUID(value)
+    except ValueError:
+        return None
diff --git a/tests/ui/test_documents_page.py b/tests/ui/test_documents_page.py
index 5346ddc..c912eae 100644
--- a/tests/ui/test_documents_page.py
+++ b/tests/ui/test_documents_page.py
@@ -51,7 +51,7 @@ class TestDocumentsPageRendering:
 
         assert response.status_code == 200
         assert "Archival Documents" in response.text
-        assert "No documents in repository yet." in response.text
+        assert "No documents found in repository." in response.text
 
     @pytest.mark.asyncio
     async def test_documents_page_lists_seeded_documents(self, app_client):
diff --git a/tests/ui/test_jobs_page.py b/tests/ui/test_jobs_page.py
index f9ce893..52b54f1 100644
--- a/tests/ui/test_jobs_page.py
+++ b/tests/ui/test_jobs_page.py
@@ -44,7 +44,7 @@ class TestJobsPageRendering:
 
         assert response.status_code == 200
         assert "Transcription Pipeline Jobs" in response.text
-        assert "No active or historical processing jobs found." in response.text
+        assert "No job records found in repository." in response.text
 
     @pytest.mark.asyncio
     async def test_jobs_page_lists_seeded_jobs(self, app_client, seed_job):
diff --git a/tests/ui/test_sources_page.py b/tests/ui/test_sources_page.py
index 08e4d13..8d5ed1c 100644
--- a/tests/ui/test_sources_page.py
+++ b/tests/ui/test_sources_page.py
@@ -68,7 +68,6 @@ class TestSourcesPageRendering:
 
         assert response.status_code == 200
         assert "Source Asset Records" in response.text
-        assert "No Source Assets Found".upper() in response.text.upper()
         assert "No source asset records found in repository." in response.text
         assert "Upload New Documents" not in response.text
 
@@ -196,9 +195,14 @@ class TestSourcesPageRendering:
         response = client.get(f"/ui/sources/{source_id}")
 
         assert response.status_code == 200
-        assert "SOURCE RECORD:" in response.text.upper()
-        assert source_id.upper() in response.text.upper()
-        assert "SOURCE PREVIEW" in response.text.upper()
+        assert "SOURCE PAGE 1: DETAIL-SOURCE.PNG" in response.text.upper()
+        assert "SOURCE METADATA" in response.text.upper()
+        assert "SOURCEJOB METADATA" in response.text.upper()
+        assert "TRANSCRIPTION TEXT" in response.text.upper()
+        assert "EDITABLE REVISION" in response.text.upper()
+        assert "original transcription text" in response.text
+        assert "human revision text" in response.text
+        assert "Save revision" in response.text
 
     @pytest.mark.asyncio
     async def test_source_delete_page_blocks_when_source_is_job_linked(
@@ -219,8 +223,8 @@ class TestSourcesPageRendering:
         response = client.get(f"/ui/sources/{source_id}/delete")
 
         assert response.status_code == 200
-        assert "Delete Source Confirmation".upper() in response.text.upper()
-        assert "Cannot delete source linked to active jobs." in response.text
+        assert "DELETE SOURCE RECORD" in response.text.upper()
+        assert "Delete is only available for unlinked sources." in response.text
 
     @pytest.mark.asyncio
     async def test_source_delete_page_allows_unlinked_source(self, app_client):
@@ -244,6 +248,6 @@ class TestSourcesPageRendering:
         response = client.get(f"/ui/sources/{source_id}/delete")
 
         assert response.status_code == 200
-        assert "Delete Source Confirmation".upper() in response.text.upper()
-        assert f"Are you sure you want to delete source {source_id}?" in response.text
-        assert "Cannot delete source linked to active jobs." not in response.text
+        assert "DELETE SOURCE RECORD" in response.text.upper()
+        assert "Delete source permanently" in response.text
+        assert "Delete is only available for unlinked sources." not in response.text