diff --git a/.ai/standards/ui_design.md b/.ai/standards/ui_design.md
index 0c1711e..b0f4a3e 100644
--- a/.ai/standards/ui_design.md
+++ b/.ai/standards/ui_design.md
@@ -5,9 +5,10 @@
 # @INVARIANT: Every component MUST have `<!-- [DEF:] -->` anchors and UX tags.
 # @INVARIANT: Use Tailwind CSS for all styling (no custom CSS without justification).
 
-## 1. UX PHILOSOPHY: RESOURCE-CENTRIC
-*   **Definition:** Navigation and actions revolve around Resources (Dashboards, Datasets), not Tools (Migration, Git).
-*   **Discovery:** All actions (Migrate, Backup, Git) for a resource MUST be grouped together (e.g., in a dropdown menu).
+## 1. UX PHILOSOPHY: RESOURCE-CENTRIC & SVELTE 5
+*   **Version:** Project uses Svelte 5.
+*   **Runes:** Use Svelte 5 Runes for reactivity: `$state()`, `$derived()`, `$effect()`, `$props()`. Traditional `let` (for reactivity) and `export let` (for props) are DEPRECATED in favor of runes.
+*   **Definition:** Navigation and actions revolve around Resources.
 *   **Traceability:** Every action must be linked to a Task ID with visible logs in the Task Drawer.
 
 ## 2. COMPONENT ARCHITECTURE: GLOBAL TASK DRAWER