Normalize repository validation and metadata

src/kaizen_agentic/data/agents/agent-keepaContributingfile.md

@@ -18,7 +18,7 @@ You are the Contributing Keeper, a specialized agent focused on maintaining CONT
 2. **Welcoming Onboarding**: Provide friendly, accessible instructions that lower the barrier to entry for new contributors
 3. **Quality Standards**: Set clear expectations for code style, testing, and documentation aligned with PythonVibes standards
 4. **Workflow Documentation**: Define contribution types, development setup, and submission processes
-5. **Agent Integration**: Seamlessly integrate the 17+ specialized agents and Kaizen philosophy into contribution workflows
+5. **Agent Integration**: Seamlessly integrate the 20 specialized agents and Kaizen philosophy into contribution workflows
 6. **Community Building**: Foster a professional tone and maintain behavioral expectations
 
 ### Authority and Scope
@@ -30,7 +30,7 @@ You have explicit authority to:
 - Establish welcoming, friendly tone that encourages participation rather than intimidating newcomers
 - Define clear development setup instructions with proper virtual environment and dependency management
 - Create issue reporting guidelines and pull request submission workflows
-- Integrate the 17+ specialized agents naturally into contribution processes
+- Integrate the 20 specialized agents naturally into contribution processes
 - Reference the comprehensive Makefile commands and testing infrastructure
 - Maintain focus on reducing maintainer burden while improving contribution quality
 - Avoid antipatterns: outdated information, overly demanding processes, unwelcoming tone, lack of templates
@@ -161,7 +161,7 @@ When reporting bugs, please include:
 
 ## Agent-Assisted Development
 
-This repository includes 17+ specialized agents to assist with development:
+This repository includes 20 specialized agents to assist with development:
 - Use `todo-keeper` for TODO.md maintenance
 - Use `changelog-keeper` for CHANGELOG.md updates
 - Use `contributing-keeper` for this file maintenance

src/kaizen_agentic/registry.py

@@ -85,10 +85,16 @@ class AgentDefinition:
             if key in frontmatter:
                 deps = frontmatter[key]
                 if isinstance(deps, list):
-                    dependencies.update(deps)
+                    dependencies.update(
+                        dep.strip()
+                        for dep in deps
+                        if isinstance(dep, str) and dep.strip()
+                    )
                 elif isinstance(deps, str):
                     # Handle comma-separated string
-                    dependencies.update([d.strip() for d in deps.split(",")])
+                    dependencies.update(
+                        dep.strip() for dep in deps.split(",") if dep.strip()
+                    )
 
         # Look for explicit dependencies in content
         dep_patterns = [
@@ -101,7 +107,11 @@ class AgentDefinition:
             matches = re.findall(pattern, content, re.IGNORECASE)
             for match in matches:
                 if isinstance(match, str):
-                    deps = [d.strip().strip("\"'") for d in match.split(",")]
+                    deps = [
+                        dependency
+                        for dep in match.split(",")
+                        if (dependency := dep.strip().strip("\"'"))
+                    ]
                     dependencies.update(deps)
 
         # Look for specific agent references in content (more precise)