feat(ux): implement masonry dashboard layout and immersive focus mode

_bmad/bmm/workflows/4-implementation/sprint-status/instructions.md

@@ -24,6 +24,7 @@
 </step>
 
 <step n="1" goal="Locate sprint status file">
+  <action>Load {project_context} for project-wide patterns and conventions (if exists)</action>
   <action>Try {sprint_status_file}</action>
   <check if="file not found">
     <output>❌ sprint-status.yaml not found.