docs: the manual and the user guide describe the badge bar, the dock and the slide-over pages

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

README.md

@@ -1277,7 +1277,7 @@ same reason: a frame can arrive between two layout passes, and a hole that empti
 the spotlight and the card jump. The card goes under the target, over it, or in the column beside it
 -- whichever has room -- and only takes the bottom corner when the target *is* the whole content,
 which is what happens to the plot step in the documented headless run (a 640x480 Xvfb screen gives
-the window its 756x894 minimum, and at that width the split view overlays the side panel instead of
+the window its 756x894 minimum, and at that width the split view overlays the dock instead of
 putting it beside the plot). The probe prints the two rectangles (`spot=`, `card=`) rather than
 asserting a placement, so that case reads as the geometry it is.
 
@@ -3048,11 +3048,13 @@ now — they are listed so they are not mistaken for anything else:
   trigger mode and the block would grey itself under the click that started it. (8) The **dock's event rows carry no
   thumbnails** (the page's do) and show a **hollow marker on the members of the group on screen**, which the page's
   rows do not. (9) The dock lists at most 24 events; the page lists them all.
-  The signal badges, the signal pages and the drag (step 2) are done. Still to come, in the spec's
-  order: `USER-GUIDE.md` and the manual's figures (4). The events section in the dock and the `events`
-  page are done, and the left events pane, its divider and the header's Events toggle are deleted. Until
-  the manual is swept, it (which still describes the side panel's tabs, and the cursors, measurements
-  and events as panes of it) still describes the previous layout.
+  The signal badges, the signal pages and the drag (step 2) are done, and so are the events block in the
+  dock and the `events` page (the left events pane, its divider and the header's Events toggle are
+  deleted), the Mallard manual, `USER-GUIDE.md` and the two figures that show the window
+  (`main-window.png`, `trigger-capture.png`, regenerated with `tools/make-help-shots.sh`). The
+  manual's `math-editor.png` is the editor's own window and was not regenerated.
+  The main-window figure shows `'sine' is off: 1 trace left the plots` in the status bar and no sine
+  badge: the headless enable-all probe that drives the scene ends that way, and the figure records it.
 - **A plot holds at most eight signals** (`RowSet::kSlotsPerRow`), because a `Plot`
   cannot give up a trace and the slots are therefore created up front.
 - **One toggle drives both cursor orientations.** The vertical markers and the
@@ -3187,7 +3189,7 @@ silence timeout and then resumes, which is the EMI case end to end.
 - **The tour card can cover its own target, and in the documented headless run it
   does.** The card is placed under, over or beside the hole whenever one of those has
   room; when the target covers the whole content -- which is what the plot does at the
-  window's 756 px minimum, because the split view overlays the side panel rather than
+  window's 756 px minimum, because the split view overlays the dock rather than
   putting it beside the plot -- no placement can avoid it, and the card takes the
   bottom corner. The probe prints both rectangles instead of asserting a placement,
   so the case reads as a measurement.