docs: source badge name only, no signals lock, the Add-a-signal page

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

docs/claude/verification.md

@@ -472,7 +472,7 @@ precedent, not an exception.
   a sensitivity, a visibility or a value needs no open page.
   **The source kind's panels are slide-over pages too** (`source-<id>`: the E-1608's `source-ao` and
   `source-dio`, Flat UDP's, the probe kind's), so the same rule holds for them. The probe appends a second
-  `[badges]` line for the Source badge: `[badges] source name=<kind> state=<connected|disconnected> pages=<n>
+  `[badges]` line for the Source badge: `[badges] source name=<kind> pages=<n>
   switch_visible=<0|1> can_target=<0|1> second_page=<id|-> second_ok=<0|1> open_marked=<0|1|-1>
   closed_unmarked=1`. `pages` is the number of source pages, `switch_visible` is the segmented switch
   being on screen after the first source page was opened (`1` for the E-1608's two pages, `0` for one page
@@ -1035,8 +1035,9 @@ stages into one is the failure mode**: a probe that rebuilt the buffer at 11.5 s
 immediately would read `bare=0` on every search leg, which looks exactly like a broken comparator.
 
 **Why 4 s and not 3.** `enable_all_probe`'s last act is a timeout of its own, `ENABLE_ALL_MS + 2000` -- 3 s
-under this recipe -- which walks `signal_list` for the front channel's acquire tick and clicks it. A probe
-that installs a math graph at that same instant rebuilds the signal panel under it, and the off-step then
+under this recipe -- which opens the front channel's signal page and clicks its "Acquire this signal" tick (an
+acquired signal is not in the Add-a-signal list, so the list cannot be walked). A probe
+that installs a math graph at that same instant rebuilds the signal panels under it, and the off-step then
 emits `active` on a freed `GtkCheckButton`: `GLib-GObject-CRITICAL: instance with invalid (NULL) class
 pointer`, with the backtrace in `enable_all_probe()::{lambda}`. It is a real fragility of that probe's lookup
 and not of the feature, and it is why every documented probe time is offset from `ENABLE_ALL_MS + 2000`, not