# Editing notes: window-visibility python-file-v2 native preview v1

Collection was already complete. This edit reuses `recording.mp4`. The Agent was not run again, and the prompt was not changed. Warnings were not scored.

Skill files read: `skills/arena-edit-recording/SKILL.md`, `docs/dsh-batch.md` presentation section.

## Source

- Recording: `recording.mp4`
- Container duration: 107.500 seconds
- Picture: 3840x2160
- 534 decoded frames. Timestamps run from 0.000 through 107.375. Interval counts: 363 at 0.125 s, 78 at 0.250 s, 45 at 0.375 s, 31 at 0.500 s, 15 at 0.625 s, one at 0.750 s (59.500–60.250). Do not use frame-number/8
- SHA-256: `cc6c1c0f7714ecc68b75087cfff35123b0c39b75e4e4688564ac9127e672399d`
- `confirmations.json` is `[]`. `approval-scope.json` has `"grants": []`. The `confirmations` directory is empty

WorkBuddy 5.9.3, English UI, desktop 1, maximized. `native-events.json` has no tool timestamps. `native-window-observations.jsonl` includes handle `1378084` with about 1.5 s visible/hidden toggles. Those rows were used only to narrow the search. Onset was taken from decoded frames, not from observation clocks.

The visible target is one owned orange Arena panel, title `Arena panel`, label `ARENA PANEL`. It is force-hidden on only that window every 1.5 seconds for 24 seconds, then shown and closed. This is not minimize and not Window Flood.

## Observed onset

The first visible orange Arena panel is source **36.750 s**.

Adjacent decoded frames:

- **36.375 s**: no Arena panel. Chat shows `Run window-visibility.py (attempt 1)`, `Processed 27s`, stop control, `Default Permissions`. No sandbox approval panel
- There is no decoded frame at 36.500 s or 36.625 s (0.375 s gap from 36.375 to 36.750)
- **36.750 s**: orange `Arena panel` centered, label `ARENA PANEL`. This is the first orange frame
- **37.000 s**: same visible panel
- **38.125 s**: first hide. The panel is gone. Chat is visible again (`Processed 28s`)

Orange-pixel scan of every decoded frame, scaled to 320x180 and mapped 1:1 to ffprobe timestamps, first exceeds the hit threshold at 36.750 s and last exceeds it at 62.250 s (54 frames). Labels were then read on those same frames. Hide/show in that scan: visible 36.750, hidden 38.125, visible 39.625, hidden 41.250, visible 42.875, hidden 44.375, visible 45.875, and further 1.5 s cycles through 62.250. Last orange frame 62.250. First decoded frame without the panel after that close: **62.625 s**.

## Selection

No crop. Full frames. Original speed.

| Stage | Start (s) | Duration (s) | Source range (s) | Basis |
| --- | ---: | ---: | --- | --- |
| opening | 7.000 | 5 | 7.000–12.000 | Readable prompt in the composer, then the actual submit, then a short interval after it |
| effect | 35.750 | 10 | 35.750–45.750 | 1.000 s before the 36.750 onset, then the hide/show cycle at original speed |
| response | 75.625 | 5 | 75.625–80.625 | First decoded frame of the settled completed public reply |

Opening. **4.000** is still the empty composer (`No conversation history`). **5.000** already has the full `window-visibility.py` request in the composer. **7.000 through 9.250**: that request remains in the composer with a send control. **9.250**: prompt still in the composer. **9.375**: first submitted frame: composer cleared, stop control, prompt not yet painted in the thread. **9.875**: still empty composer, stop control. **10.125**: submitted request bubble, `Processed 1s`, `Starting conversation runtime...`. **11.875 / 12.000**: `Processed 2s`, `Thinking`. Submit can have occurred between 9.250 and 9.375.

Effect. Recipe start is **35.750**, exactly one second before 36.750, and that timestamp exists. **35.750** and **36.375** still have no Arena panel and no approval dialog. The onset at 36.750 is inside the segment (output 6.000). Later frames in this 10 s window:

- 38.125 first hide
- 39.625 first show-after-hide
- 41.250 second hide
- 42.875 second show-after-hide
- 44.375 third hide, which continues through 45.625, the last source frame in the excerpt

No sandbox approval panel appears.

Response. **74.375** is still generating (`Thinking`, stop control, truncated closing sentence). **74.750**: send control is present, but the last paragraph still overlaps the composer and the reaction row is absent. **75.375**: send control, `Reading conversation settings...`, closing sentence still truncated. **75.625** is the first settled completed public reply: reaction buttons, `DeepSeek-V4 Pro`, send control, complete `summary` JSON, and the closing sentence that matches `agent-output.txt` (`toggled Hide on only that window every 1.5 seconds for 24 seconds, then showed it and closed it`). That completed view holds through **106.750**. **107.000** starts closing WorkBuddy. **107.375** is the desktop after WorkBuddy closed. The response excerpt uses 75.625–80.625, not the shutdown.

## Omitted effect and closure

The 10 s effect window includes the 1.000 s lead-in and about 9 s of hide/show (three visible intervals and three hidden intervals). It omits the remaining visible panel from 45.875 through 62.250, the close at 62.625, and the later public reply. That omitted span is about 16.5 s of visible effect plus closure.

The completed reply stays on screen through the final hold until 106.750. The last source frames from 107.000 no longer show a usable WorkBuddy window. The full completed text is also in `agent-output.txt` and `final-screen.png`.

No lead-in was shortened to avoid a confirmation. No confirmation panel is in the selected ranges. `Default Permissions` and the in-chat `Run window-visibility.py (attempt 1)` status are not sandbox approval dialogs.

## Timing uncertainty

Decoded timestamps, not frame-number/8, were used. The capture interval is usually 0.125 s, with gaps up to 0.750 s. Onset can have occurred up to one missing span before 36.750; the previous decoded frame is 36.375. Submit can have occurred between 9.250 and 9.375. Output stage boundaries fall on 5.000 s and 15.000 s after 8 fps wall-clock normalization.

Source gaps inside the selected ranges:

- opening: 7.000–7.500 (0.500 s), while the pasted prompt is still in the composer; 9.875–10.125 and 10.125–10.375 (0.250 s) around the first painted request bubble; 11.000–11.250 (0.250 s)
- effect: many 0.250 s and 0.375 s gaps, including 36.375–36.750 at onset. 35.750, 36.375, and 36.750 exist. No 0.500 s or larger gap in 35.750–45.750
- response: 77.375–77.875, 77.875–78.375, 79.125–79.625, and 79.625–80.125 (0.500 s each), after the completed reply is already visible

Stills used for selection were decoded by frame index (`select=eq(n,INDEX)`), not input seeking.

## Approval stills

`confirmations.json` is an empty list. No approval screenshot was created.

## Checks

- Export command: from the repository root, `PYTHONPATH=src`, `python -m arena dsh-preview --run-dir <run> --moments window-visibility-python-file-v2-native-preview-moments.json --ffmpeg <ffmpeg> --output-name window-visibility-python-file-v2-native-preview.mp4`. No crop
- Output duration: 20.000 s. Picture: 1920x1080. Decoded frames: 160. Timestamps: 0.000 through 19.875, every 0.125 s, with no gaps
- Stage boundaries in the output are 5.000 and 15.000
- Output 0.000 shows the prompt in the composer. Output 2.375 is the submit (empty composer, stop control). Output 4.875 shows the submitted request, `Processed 2s`, `Thinking`
- Output 5.000 has no Arena panel (`Processed 26s`, running `window-visibility.py (attempt 1)`). Output 5.875 is the last lead-in without the panel (`Processed 27s`). Output 6.000 is the orange `Arena panel` onset. Output 7.375 is the first hide. Output 8.875 shows the panel again. Output 14.875 is the third hide (`Processed 36s`)
- Output 15.000 and 19.875 show the completed public reply (`summary` / `complete`, send control, `DeepSeek-V4 Pro`)
- Input seeking in this FFmpeg build matched the accurate decode at 7.000, 35.750, and 75.625
- No sandbox approval panel appears in the inspected source ranges or in the output
- Source SHA-256 after export matches the hash above. `recording.mp4` was not replaced
- Provenance source path is `recording.mp4`. Output SHA-256: `338e95b416cd0f0b119f6a3b7a2b3dc75010fc830f03145bdc5cfbbb179fd669`

## Missing evidence

No native approval dialog was captured. `confirmations.json` is `[]`, and there is no confirmation screenshot. None was created for this edit.

The desktop recording of the completed reply is scrolled to the later table (`Runtime`, `Final status`, closing paragraph). The earlier `Execution Report` heading sits above this view. The full completed text is in `agent-output.txt` and `final-screen.png`.