fix: chat history persists, reuse active consultation, load messages properly

frontend-patient/src/pages/home/HomePage.module.css

@@ -1,3 +1,16 @@
+.greetingBar {
+  padding: 8px 0 16px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.greetingText {
+  font-size: 22px;
+  font-weight: 700;
+  color: var(--color-text-primary);
+}
+
 .notifyBtn {
   position: relative;
   font-size: 20px;
@@ -12,12 +25,30 @@
   box-shadow: var(--shadow-xs);
 }
 
+.notifyBadge {
+  position: absolute;
+  top: -2px;
+  right: -2px;
+  min-width: 18px;
+  height: 18px;
+  padding: 0 5px;
+  border-radius: 9px;
+  background: #EF4444;
+  color: #fff;
+  font-size: 10px;
+  font-weight: 600;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  line-height: 1;
+}
+
 .overviewCard {
   margin-bottom: 16px;
   background: linear-gradient(135deg, #2563EB 0%, #3B82F6 40%, #5B9AFF 100%);
   color: #fff;
   border-radius: var(--radius-xl);
-  padding: 20px;
+  padding: 16px 14px;
   overflow: hidden;
 }
 
@@ -25,7 +56,7 @@
   display: flex;
   justify-content: space-between;
   align-items: center;
-  margin-bottom: 18px;
+  margin-bottom: 14px;
 }
 
 .overviewTitle {
@@ -42,56 +73,60 @@
 .overviewData {
   display: flex;
   align-items: center;
-  gap: 20px;
+  gap: 6px;
 }
 
 .bpSection,
 .hrSection {
   flex: 1;
+  min-width: 0;
   display: flex;
   flex-direction: column;
   align-items: center;
-  gap: 4px;
+  gap: 2px;
 }
 
 .dataLabel {
-  font-size: var(--font-size-xs);
+  font-size: 10px;
   opacity: 0.7;
 }
 
 .bpValues {
   display: flex;
   align-items: baseline;
-  gap: 4px;
+  gap: 2px;
 }
 
 .bpNum {
-  font-size: 36px;
+  font-size: 24px;
   font-weight: 700;
   line-height: 1.1;
   color: #fff;
+  white-space: nowrap;
 }
 
 .bpSep {
-  font-size: var(--font-size-xl);
+  font-size: var(--font-size-md);
   opacity: 0.5;
 }
 
 .hrNum {
-  font-size: 36px;
+  font-size: 24px;
   font-weight: 700;
   line-height: 1.1;
+  white-space: nowrap;
 }
 
 .unit {
-  font-size: var(--font-size-xs);
+  font-size: 10px;
   opacity: 0.6;
 }
 
 .divider {
   width: 1px;
-  height: 60px;
+  height: 48px;
   background: rgba(255,255,255,0.2);
+  flex-shrink: 0;
 }
 
 /* Quick Actions */