docs: Sunday's checks for 0.2.6.2 — pictures, a large deck, the settings route

Co-Authored-By: Claude Opus 5.5 <[email protected]>

docs/testing.md

@@ -575,7 +575,7 @@ ifupdown stanza is already gone. **Do not run `--adopt` on it.**
       still reports `yes`
 - [ ] The laptop still reconnects after a reboot
 
-## Wonder Ink — 0.2.6.1, before it goes to stable
+## Wonder Ink — 0.2.6.1 and 0.2.6.2, before either goes to stable
 
 Everything below was done in the lab except what a lab cannot do: paper,
 a classroom's own graphics, a real keyboard, its network and its screen.
@@ -614,6 +614,19 @@ after testing, either promote or reinstall 0.2.2 the same way.
 - [ ] `lpstat -W completed -o` shows each job; `journalctl --user -b | grep
       "printed '"` shows Wonder Ink's line for each
 
+### Pictures (0.2.6.2)
+
+- [ ] Open a colouring page that is a picture on its own (a PNG or JPEG
+      tab, not a PDF) and press Print: the preview shows it on white — **no
+      black bars** — with a **Picture** section under Color
+- [ ] Size 50%, the top-left square: the preview shows it there, the
+      rest of the page blank. Print it: **the paper matches the preview**
+- [ ] Paper *Sideways*, then *Upright*: the preview turns; print one
+- [ ] *Fill the whole page*: the preview shows the edges cut off; Cancel
+      prints nothing
+- [ ] A worksheet PDF still prints with no Picture section
+- [ ] The print dialog says **Color**, not Colour
+
 ### Size and zoom
 
 - [ ] A lesson in Wonder Ink is the same size as the same page in the
@@ -649,6 +662,28 @@ classroom-wonderink --diagnose
       cleared, which is the one way this could fail and has never been
       tested with a real account)
 
+### Presentations under memory pressure (0.2.6.2, the laptop)
+
+- [ ] Download a large, photo-heavy deck with Wonder Ink and Chrome open:
+      it either becomes ready, or its card says *This needed more memory …
+      choose Try again* — never *Getting this ready…* for more than a few
+      minutes
+- [ ] Close the other programs and choose **Try again**: it becomes ready
+- [ ] `systemctl --user status ekklesia-classroom-presentations` is
+      active, and `journalctl --user -u ekklesia-classroom-presentations`
+      shows no restart loop
+
+### Settings the teacher must not reach (0.2.6.2)
+
+- [ ] When any notification shows the sliders (Configure) button, clicking
+      it opens only *The module … is disabled*; its Help button does
+      nothing
+- [ ] Right-click the clock: no *Configure Digital Clock…*; *Adjust Date
+      and Time…* opens an empty System Settings
+- [ ] Right-click the volume: no *Configure Audio Devices…*
+- [ ] The maintenance chord (Meta+Ctrl+Alt+Shift+K) still opens a
+      terminal, and `systemsettings` started from it is complete
+
 ### After a reboot, and the other rooms
 
 - [ ] Reboot Little Waders: it comes up as the classroom, Wonder Ink opens