VST and JUCE screenshot update.

docs/JUCE.md

@@ -20,6 +20,16 @@ Synthesis is the real xtc **Soft Keys** implementation, called through
 uses a separate PIC build of the C archive with JACK/FLTK disabled; the installed
 application and existing build directories are not modified.
 
+## Screenshots
+
+![Actual JUCE Soft Keys editor](../screenshots/juce-soft-keys-editor.png)
+
+The native editor rendered at 2× scale, with effects enabled and -6 dB output;
+no audio device is opened for this capture. Also see
+[the JUCE VST3 in xtc's instrument chooser](../screenshots/juce-vst3-instrument.png)
+and [capture commands and context](../screenshots/README.md#steinberg-and-juce-sdk-integration-phases-106107).
+The editor image is separate from xtc's FLTK host, which does not embed it.
+
 ## Licensing and dependency impact
 
 The inspected JUCE checkout is 9.0.4, revision

docs/STEINBERG.md

@@ -28,6 +28,17 @@ check without adding a C++ runtime or network dependency to libxtc.
 See [the example instructions](../examples/steinberg/README.md) for SDK versions,
 build commands, validation and ASIO diagnostics.
 
+## Screenshots
+
+![SDK Half Gain loaded in xtc's insert graph](../screenshots/steinberg-sdk-track-insert.png)
+
+The actual SDK-built effect in xtc's host. See its
+[identity dialog](../screenshots/steinberg-sdk-identity.png), the
+[SDK Sine instrument chooser](../screenshots/steinberg-sdk-instrument.png) and
+[capture commands](../screenshots/README.md#steinberg-and-juce-sdk-integration-phases-106107).
+These examples have no custom editor; the screenshots show xtc's host interface
+with playback stopped. They do not demonstrate ASIO hardware operation.
+
 ## ASIO and VST2 scope
 
 ASIO is native driver I/O, separate from VST plugin hosting. The optional Windows