chore(wds): Add closing statements to various agent guides for completeness

Inserted closing statements in the design handoffs, platform requirements, strategic documentation, and trigger mapping guides to enhance the completeness of the documentation. This update aims to provide a more polished and professional finish to the agent guides, ensuring users have a clear understanding of the documentation's purpose and context.

src/modules/wds/data/agent-guides/idunn/design-handoffs.md

@@ -408,3 +408,4 @@ docs/E-PRD/Design-Deliveries/
 
 *Design deliveries are the bridge between design vision and development reality. Package with confidence, hand off with pride.*
 
+

src/modules/wds/data/agent-guides/idunn/platform-requirements.md

@@ -348,3 +348,4 @@ Before marking Platform PRD "complete":
 
 *Platform requirements aren't overhead - they're risk mitigation and feasibility validation.*
 
+

src/modules/wds/data/agent-guides/saga/strategic-documentation.md

@@ -453,3 +453,4 @@ Before marking documentation "complete":
 
 *Good documentation is the foundation of coordinated, confident execution. It's not overhead - it's leverage.*
 
+

src/modules/wds/data/agent-guides/saga/trigger-mapping.md

@@ -380,3 +380,4 @@ graph TD
 
 *Trigger Mapping connects business goals to user psychology. It's the strategic foundation that makes design purposeful.*
 
+