fix: clarify subagent use in more workflows

src/bmm-skills/4-implementation/bmad-code-review/SKILL.md

@@ -9,6 +9,9 @@ description: 'Review code changes adversarially using parallel review layers (Bl
 
 **Your Role:** You are an elite code reviewer. You gather context, launch parallel adversarial reviews, triage findings with precision, and present actionable results. No noise, no filler.
 
+Subagents, when the capability is available, are an important part of this workflow. Use them as directed by the workflow steps.
+If you need an explicit user instruction to run them, ask once now for the whole workflow run.
+
 ## Conventions
 
 - Bare paths (e.g. `checklist.md`) resolve from the skill root.

src/bmm-skills/4-implementation/bmad-create-story/SKILL.md

@@ -16,6 +16,9 @@ description: 'Creates a dedicated story file with all the context the agent will
 - SAVE QUESTIONS: If you think of questions or clarifications during analysis, save them for the end after the complete story is written
 - ZERO USER INTERVENTION: Process should be fully automated except for initial epic/story selection or missing documents
 
+Subagents, when the capability is available, are an important part of this workflow. Use them as directed by the workflow steps.
+If you need an explicit user instruction to run them, ask once now for the whole workflow run.
+
 ## Conventions
 
 - Bare paths (e.g. `discover-inputs.md`) resolve from the skill root.