feat: improve session history with first prompt + clickable monitor rows (closes #45)

src/web/public/styles.css

@@ -2134,8 +2134,15 @@ body {
   background: var(--bg-hover);
 }
 
-.history-item-dir {
+.history-item-text {
   flex: 1;
+  min-width: 0;
+  display: flex;
+  flex-direction: column;
+  gap: 0.15rem;
+}
+
+.history-item-title {
   font-size: 0.8rem;
   color: var(--text);
   overflow: hidden;
@@ -2143,6 +2150,14 @@ body {
   white-space: nowrap;
 }
 
+.history-item-subtitle {
+  font-size: 0.65rem;
+  color: var(--text-muted);
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
 .history-item-meta {
   font-size: 0.7rem;
   color: var(--text-muted);
@@ -5011,6 +5026,16 @@ kbd {
   background: var(--bg-hover);
 }
 
+.process-item-clickable {
+  cursor: pointer;
+  transition: border-color 0.15s, background 0.15s;
+  border: 1px solid transparent;
+}
+
+.process-item-clickable:hover {
+  border-color: var(--accent);
+}
+
 .process-info {
   flex: 1;
   min-width: 0;