🐛 tooltip hovering

src/renderer/components/Editor/Editor.css

@@ -173,6 +173,7 @@
 }
 
 .annotation-tooltip {
+  position: relative;
   background: var(--message-bg);
   border: 1px solid var(--border);
   border-radius: 6px;
@@ -184,6 +185,20 @@
   box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
 }
 
+/* Invisible bridge that extends CodeMirror's isInTooltip() hit-area into the
+   gap between the card and the annotation text, preventing the card from
+   dismissing while the mouse travels between them. */
+.annotation-tooltip > .cm-tooltip-arrow {
+  position: absolute;
+  bottom: -12px;
+  left: 0;
+  right: 0;
+  height: 12px;
+  pointer-events: none;
+  background: transparent;
+  border: none;
+}
+
 .annotation-tooltip-divider {
   height: 1px;
   background: var(--border);

src/renderer/components/Editor/MarkdownEditor.tsx

@@ -209,7 +209,8 @@ const annotationHoverTooltip = hoverTooltip(
     // User comments: show static tooltip with the comment text — no AI streaming
     if (ann.type === 'user_comment') {
       return {
-        pos,
+        pos: ann.from,
+        end: ann.to,
         above: true,
         create() {
           const dom = document.createElement('div')
@@ -234,13 +235,17 @@ const annotationHoverTooltip = hoverTooltip(
           body.className = 'annotation-tooltip-body'
           body.textContent = ann.comment ?? ann.message
           dom.appendChild(body)
+          const bridge = document.createElement('div')
+          bridge.className = 'cm-tooltip-arrow'
+          dom.appendChild(bridge)
           return { dom, destroy() {} }
         }
       }
     }
 
     return {
-      pos,
+      pos: ann.from,
+      end: ann.to,
       above: true,
       create() {
         const dom = document.createElement('div')
@@ -302,6 +307,10 @@ const annotationHoverTooltip = hoverTooltip(
           }
         })
 
+        const bridge = document.createElement('div')
+        bridge.className = 'cm-tooltip-arrow'
+        dom.appendChild(bridge)
+
         return { dom, destroy() { cancelAnalysis() } }
       }
     }