Isn't there a way to create a link in a tiddler that will take you to another tiddler already open for editing?
<$button class="tc-btn-invisible tc-tiddlylink" message="tm-edit-tiddler" param="TiddlerTitleGoesHere"> edit </$button>
{{||$:/core/ui/Buttons/edit}}
{{tiddlername||$:/core/ui/Buttons/edit}}