Enhance job logging and UI updates

- Implement job logging functionality to track progress and events for each job.
- Add a new section in the job card to display session logs with detailed entries.
- Update job statistics to include pages fetched, pages found, and assets processed.
- Modify the UI theme and text for better clarity and aesthetics.
- Adjust tests to validate new logging features and ensure proper event handling.

app/capture.py

@@ -184,12 +184,17 @@ class CaptureService:
             )
 
             def update(
-                phase: str, message: str, stats: dict[str, int], warnings: list[str]
+                phase: str,
+                message: str,
+                stats: dict[str, int],
+                warnings: list[str],
+                detail: dict[str, object] | None = None,
             ) -> None:
                 nonlocal last_progress_at, last_progress_phase
                 now = time.monotonic()
                 if (
-                    phase == last_progress_phase
+                    detail is None
+                    and phase == last_progress_phase
                     and now - last_progress_at < PROGRESS_WRITE_INTERVAL_SECONDS
                 ):
                     return
@@ -203,6 +208,7 @@ class CaptureService:
                     message=message,
                     stats=stats,
                     warnings=warnings,
+                    detail=detail,
                 )
                 if not renewed:
                     raise CaptureCancelled("Capture lease was reassigned")