diff --git a/src/skill_seekers/cli/how_to_guide_builder.py b/src/skill_seekers/cli/how_to_guide_builder.py
index e865a85..271ae07 100644
--- a/src/skill_seekers/cli/how_to_guide_builder.py
+++ b/src/skill_seekers/cli/how_to_guide_builder.py
@@ -452,7 +452,7 @@ class WorkflowGrouper:
         ungrouped = []
 
         for workflow in workflows:
-            ai_analysis = workflow.get("ai_analysis", {})
+            ai_analysis = workflow.get("ai_analysis") or {}
             tutorial_group = ai_analysis.get("tutorial_group")
 
             if tutorial_group:
@@ -908,7 +908,7 @@ class HowToGuideBuilder:
 
     def _extract_workflow_examples(self, examples: list[dict]) -> list[dict]:
         """Filter to workflow category only"""
-        return [ex for ex in examples if ex.get("category") == "workflow"]
+        return [ex for ex in examples if isinstance(ex, dict) and ex.get("category") == "workflow"]
 
     def _create_guide(self, title: str, workflows: list[dict], enhancer=None) -> HowToGuide:
         """
@@ -933,8 +933,10 @@ class HowToGuideBuilder:
 
         # Extract use case from AI analysis or title
         use_case = title
-        if primary_workflow.get("ai_analysis"):
-            use_case = primary_workflow["ai_analysis"].get("tutorial_group", title)
+
+        ai_analysis = primary_workflow.get("ai_analysis") or {}
+        if ai_analysis:
+            use_case = ai_analysis.get("tutorial_group", title)
 
         # Determine overview
         overview = self._generate_overview(primary_workflow, workflows)
@@ -967,19 +969,22 @@ class HowToGuideBuilder:
         )
 
         # Add AI enhancements if enhancer is available
+        ai_analysis_for_enhancement = primary_workflow.get("ai_analysis") or {}
         if enhancer:
-            self._enhance_guide_with_ai(guide, primary_workflow.get("ai_analysis", {}), enhancer)
-        elif self.enhance_with_ai and primary_workflow.get("ai_analysis"):
+            self._enhance_guide_with_ai(guide, ai_analysis_for_enhancement, enhancer)
+        elif self.enhance_with_ai and ai_analysis_for_enhancement:
             # Fallback to old enhancement method (basic)
-            self._enhance_guide_with_ai_basic(guide, primary_workflow["ai_analysis"])
+            self._enhance_guide_with_ai_basic(guide, ai_analysis_for_enhancement)
 
         return guide
 
     def _generate_overview(self, primary_workflow: dict, _all_workflows: list[dict]) -> str:
         """Generate guide overview"""
         # Try to get explanation from AI analysis
-        if primary_workflow.get("ai_analysis"):
-            explanation = primary_workflow["ai_analysis"].get("explanation")
+
+        ai_analysis = primary_workflow.get("ai_analysis") or {}
+        if ai_analysis:
+            explanation = ai_analysis.get("explanation")
             if explanation:
                 return explanation