feat: add enhancement workflow system and unified enhancer

- enhancement_workflow.py: WorkflowEngine class for multi-stage AI
  enhancement workflows with preset support (security-focus,
  architecture-comprehensive, api-documentation, minimal, default)
- unified_enhancer.py: unified enhancement orchestrator integrating
  workflow execution with traditional enhance-level based enhancement
- create_command.py: wire workflow args into the unified create command
- AGENTS.md: update agent capability documentation
- configs/godot_unified.json: add unified Godot documentation config
- ENHANCEMENT_WORKFLOW_SYSTEM.md: documentation for the workflow system
- WORKFLOW_ENHANCEMENT_SEQUENTIAL_EXECUTION.md: docs explaining
  sequential execution of workflows followed by AI enhancement

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

src/skill_seekers/cli/create_command.py

@@ -374,6 +374,18 @@ class CreateCommand:
         if getattr(self.args, "interactive_enhancement", False):
             argv.append("--interactive-enhancement")
 
+        # Enhancement Workflow arguments (NEW - Phase 2)
+        if getattr(self.args, "enhance_workflow", None):
+            argv.extend(["--enhance-workflow", self.args.enhance_workflow])
+        if getattr(self.args, "enhance_stage", None):
+            for stage in self.args.enhance_stage:
+                argv.extend(["--enhance-stage", stage])
+        if getattr(self.args, "var", None):
+            for var in self.args.var:
+                argv.extend(["--var", var])
+        if getattr(self.args, "workflow_dry_run", False):
+            argv.append("--workflow-dry-run")
+
 
 def main() -> int:
     """Entry point for create command.