feat(ui): standardize design system, modals, sidebar, and form inputs

- Implement unified design system tokens, 10px radius, and IRANSans typography
- Modernize sidebar with Gemini-style collapsed expander, square 1:1 items, and elevated profile flyout
- Standardize all modal dialogs with 16px padding, fixed header/footer, 16px medium title, and sticky bottom actions
- Refactor DealFormView and CustomFieldsSection with standard UiField, UiInput, and UiSelect components
- Add draggable bottom-left QuickCreate floating action button

apps/web/src/components/VoiceToTextButton.vue

@@ -373,7 +373,7 @@ onBeforeUnmount(() => {
 .meter i {
   display: block;
   width: 3px;
-  border-radius: 99px;
+  border-radius: var(--radius);
   background: #5eead4;
   box-shadow: 0 0 8px rgba(94, 234, 212, 0.45);
   transition: height 70ms linear;
@@ -402,7 +402,7 @@ onBeforeUnmount(() => {
   height: 38px;
   min-height: 38px;
   padding: 0;
-  border-radius: 12px;
+  border-radius: var(--radius);
   border-color: transparent;
   background: #f8fafc;
   justify-content: center;