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/dashboard/HomeMiniPipeline.vue

@@ -101,7 +101,7 @@ const cols = computed<Col[]>(() => {
 <style scoped>
 .panel {
   background: #fff;
-  border-radius: 20px;
+  border-radius: var(--radius);
   padding: 1rem 1.05rem;
   box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
   border: 1px solid #eef2f7;
@@ -151,7 +151,7 @@ a {
   align-items: center;
   gap: 0.5rem;
   padding: 0.55rem 0.6rem;
-  border-radius: 12px;
+  border-radius: var(--radius);
   background: #f8fafc;
   border: 1px solid #eef2f7;
   color: inherit;
@@ -185,12 +185,12 @@ a {
 .deal-mark {
   width: 28px;
   height: 28px;
-  border-radius: 8px;
+  border-radius: var(--radius);
   background: #ecfdf8;
   color: #0f766e;
   display: grid;
   place-items: center;
-  font-weight: 800;
+  font-weight: 600;
   flex-shrink: 0;
 }