fix(ui-uitk): strip hidden U+FE0F and link orphaned reference files

skills/ui-ugui/SKILL.md

@@ -12,7 +12,7 @@ allowed-tools:
 Understand existing Unity uGUI, make targeted edits, and generate new Canvas-based hierarchies.
 
 When working with ScrollRect/ScrollView, read the reference file:
-- `references/scrollview-setup.md` — Required hierarchy, setup rules, and common failures
+- [references/scrollview-setup.md](references/scrollview-setup.md) — Required hierarchy, setup rules, and common failures
 
 ## Scope
 

skills/ui-uitk/SKILL.md

@@ -14,13 +14,13 @@ Understand existing Unity UI Toolkit code, make targeted edits, generate new UXM
 ## References
 
 Read these as needed:
-- `references/uss-guide.md` — USS patterns and examples
-- `references/svg-icons.md` — SVG icon generation (only when generating icons)
-- `references/common-issues.md` — Common mistakes to avoid
-- `references/ui-runtime-binding.md` — Patterns and guide to bind data to UI at runtime (only when requested or when bindings are involved)
-- `references/painter2d.md` — Painter2D API for custom visuals: gradients, shapes, arcs, procedural drawing (read this whenever gradients, custom shapes, progress rings, procedural drawing, or any visual beyond what USS can express is needed)
-- `references/pointermanipulator-guide.md` — Patterns and guide to create and use Manipulators (only when requested or when manipulators are involved). This helps with setting up drag and drop features or simple event handling for a Visual Element.
-- `references/custom-elements.md` — Custom UI Element patterns and guide to create reusable components with UXML, USS, and C#. This helps with creating complex UI components for reuse across the project.
+- [references/uss-guide.md](references/uss-guide.md) — USS patterns and examples
+- [references/svg-icons.md](references/svg-icons.md) — SVG icon generation (only when generating icons)
+- [references/common-issues.md](references/common-issues.md) — Common mistakes to avoid
+- [references/ui-runtime-binding.md](references/ui-runtime-binding.md) — Patterns and guide to bind data to UI at runtime (only when requested or when bindings are involved)
+- [references/painter2d.md](references/painter2d.md) — Painter2D API for custom visuals: gradients, shapes, arcs, procedural drawing (read this whenever gradients, custom shapes, progress rings, procedural drawing, or any visual beyond what USS can express is needed)
+- [references/pointermanipulator-guide.md](references/pointermanipulator-guide.md) — Patterns and guide to create and use Manipulators (only when requested or when manipulators are involved). This helps with setting up drag and drop features or simple event handling for a Visual Element.
+- [references/custom-elements.md](references/custom-elements.md) — Custom UI Element patterns and guide to create reusable components with UXML, USS, and C#. This helps with creating complex UI components for reuse across the project.
 
 Paths are relative to this skill's folder — read `references/uss-guide.md` directly.
 

skills/ui-uitk/references/custom-elements.md

@@ -17,7 +17,7 @@ Guide for creating custom VisualElements using Unity 6+ `[UxmlElement]` and `[Ux
 
 Unity 6+ uses attribute-based custom elements. The old factory pattern (`IUxmlFactory`, `UxmlTraits`) is **deprecated**.
 
-### ⚠️ CRITICAL: Namespace Declaration
+### ⚠ CRITICAL: Namespace Declaration
 
 **Never include assembly names in UXML namespace declarations:**