refactor: Add skill boundary clarity to deliverable skills

client-deliverables: Add cross-reference to proposal-development
for pre-engagement proposals vs engagement deliverables.

workshop-facilitation: Add cross-reference to engagement-setup
for engagement launch vs standalone facilitated sessions.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: anotb

management-consulting/skills/client-deliverables/SKILL.md

@@ -5,7 +5,7 @@ description: Create consulting-grade client deliverables (written reports and ex
 
 # Client Deliverables
 
-Produce formal consulting deliverables that communicate complex analysis with clarity and impact. This covers both written reports and executive presentations. Structure everything for decision-makers: bottom-line up front, evidence-backed findings, actionable recommendations, professional formatting.
+Produce formal consulting deliverables that communicate complex analysis with clarity and impact. This covers deliverable creation during and after consulting engagements, including both written reports and executive presentations. For pitch decks and proposals aimed at winning work, see proposal-development. Structure everything for decision-makers: bottom-line up front, evidence-backed findings, actionable recommendations, professional formatting.
 
 ## Before You Begin
 

management-consulting/skills/workshop-facilitation/SKILL.md

@@ -5,7 +5,7 @@ description: Design and facilitate consulting workshops including strategy offsi
 
 # Workshop Facilitation
 
-Design, plan, and run effective strategy workshops, design thinking sessions, and innovation sprints. This covers the full lifecycle: objective-setting, participant planning, pre-work design, methodology selection, agenda design, facilitation techniques, and post-workshop follow-through.
+Design, plan, and run effective strategy workshops, design thinking sessions, and innovation sprints. This covers the design and facilitation of structured working sessions at any point in an engagement. For the broader engagement launch process (kickoff, discovery, stakeholder mapping), see engagement-setup. The full lifecycle covered here: objective-setting, participant planning, pre-work design, methodology selection, agenda design, facilitation techniques, and post-workshop follow-through.
 
 ## Before You Begin