fix(edit-history): doc comment no longer reads as a second _onSessionIdle definition

The SSE dispatch-table guard matches `(^|\s)<handler>\s*\(` across all public
modules; "Called by _onSessionIdle() …" in edit-history-ui.js counted as a
second definition and turned the guard red.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

src/web/public/edit-history-ui.js

@@ -199,7 +199,7 @@ Object.assign(CodemanApp.prototype, {
   },
 
   /**
-   * Called by _onSessionIdle() (`session:idle`, { id }): the end of a turn. Claude's interactive
+   * Called by app.js's `session:idle` handler ({ id }): the end of a turn. Claude's interactive
    * transcript has no `result` line, so the transcript watcher's `transcript:complete` never fires
    * for these sessions.
    */