Carry the corrected view-chain-layout skill, and drop spoofed connection markers in the WebSocket sample

.claude/skills/view-chain-layout/SKILL.md

@@ -126,9 +126,10 @@ first child is another `ele( )`, blank before every `end( )`, none after an
 The rule is the abap2UI5-linter's **`chain-house-layout`**. It checks rules 1-4
 and carries fixes, so `--fix` reformats a drifted chain. The rewrite only ever
 touches whitespace *between* chain segments and the indent of a continuation
-line that is not itself content, and it verifies that collapsing every run of
-code-whitespace leaves the source identical — **a layout fix can never change
-what the view builds.** Rules 5-7 and the blank lines stay reviewer-enforced.
+line that is not itself content — **by construction, not by a check**: the
+fixes run to a fixed point and nothing re-parses the result against the
+source, so read the diff of a `--fix` run before committing it. Rules 5-7 and
+the blank lines stay reviewer-enforced.
 
 It is the linter's one **opt-in** rule (`OPT_IN` in its `findings.mjs`): it is
 not emitted at all until a config asks for it, because it encodes one house

src/07/z2ui5_cl_smps_app_489_ws.clas.abap

@@ -49,7 +49,14 @@ CLASS z2ui5_cl_smps_app_489_ws IMPLEMENTATION.
     " in a short dump that names the exception's text, but RAISE SHORTDUMP
     " only exists from 7.53 on, and this package runs from 7.50
     TRY.
-        send( i_message->get_text( ) ).
+        DATA(text) = i_message->get_text( ).
+        " the two markers are the handler's own words (on_start, on_close) -
+        " a client that typed one would count as a joined or left connection
+        " on every other screen, so a message in that shape is dropped
+        IF text CP `__*__`.
+          RETURN.
+        ENDIF.
+        send( text ).
       CATCH cx_root INTO DATA(error).
         MESSAGE error TYPE 'X'.
     ENDTRY.