fix: update masonry grid sizing logic and notebook list padding

_bmad/bmm/workflows/4-implementation/create-story/instructions.xml

@@ -336,7 +336,7 @@
       1. Review the comprehensive story in {{story_file}}
       2. Run dev agents `dev-story` for optimized implementation
       3. Run `code-review` when complete (auto-marks done)
-      4. Optional: Run TEA `*automate` after `dev-story` to generate guardrail tests
+      4. Optional: If Test Architect module installed, run `/bmad:tea:automate` after `dev-story` to generate guardrail tests
 
       **The developer now has everything needed for flawless implementation!**
     </output>

_bmad/bmm/workflows/4-implementation/create-story/workflow.yaml

@@ -55,5 +55,3 @@ input_file_patterns:
     whole: "{planning_artifacts}/*epic*.md"
     sharded: "{planning_artifacts}/*epic*/*.md"
     load_strategy: "SELECTIVE_LOAD" # Only load needed epic
-
-standalone: true