diff --git a/src/ui/components/panes/FileListItem.tsx b/src/ui/components/panes/FileListItem.tsx
index 36276e9..f01f409 100644
--- a/src/ui/components/panes/FileListItem.tsx
+++ b/src/ui/components/panes/FileListItem.tsx
@@ -116,7 +116,15 @@ export function FileListItem({
                 style={{ height: 1, flexDirection: "row", backgroundColor: rowBackground }}
               >
                 {index > 0 && <text fg={selected ? theme.text : theme.muted}> </text>}
-                <text fg={stat.kind === "addition" ? theme.badgeAdded : theme.badgeRemoved}>
+                <text
+                  fg={
+                    stat.kind === "agent-comment"
+                      ? theme.noteBorder
+                      : stat.kind === "addition"
+                        ? theme.badgeAdded
+                        : theme.badgeRemoved
+                  }
+                >
                   {stat.text}
                 </text>
               </box>
diff --git a/src/ui/components/ui-components.test.tsx b/src/ui/components/ui-components.test.tsx
index 4eb55cf..0cd5dc0 100644
--- a/src/ui/components/ui-components.test.tsx
+++ b/src/ui/components/ui-components.test.tsx
@@ -416,7 +416,7 @@ describe("UI components", () => {
     expect(frame).toContain(" App.tsx");
     expect(frame).toContain(" MenuDropdown.tsx");
     expect(frame).toContain(" watch.ts");
-    expect(frame).toContain("+2 -1");
+    expect(frame).toContain("*1 +2 -1");
     expect(frame).toContain("+5");
     expect(frame).toContain("-3");
     expect(frame).not.toContain("+0");
diff --git a/src/ui/lib/files.test.ts b/src/ui/lib/files.test.ts
index 63adaa4..4e2b653 100644
--- a/src/ui/lib/files.test.ts
+++ b/src/ui/lib/files.test.ts
@@ -46,21 +46,77 @@ describe("files helpers", () => {
     expect(entries).toHaveLength(3);
     expect(entries[0]).toMatchObject({
       name: "only-add.ts",
+      agentCommentsText: null,
       additionsText: "+5",
       deletionsText: null,
     });
     expect(entries[1]).toMatchObject({
       name: "only-remove.ts",
+      agentCommentsText: null,
       additionsText: null,
       deletionsText: "-3",
     });
     expect(entries[2]).toMatchObject({
       name: "Legacy.tsx -> Renamed.tsx",
+      agentCommentsText: null,
       additionsText: null,
       deletionsText: null,
     });
   });
 
+  test("buildSidebarEntries includes compact per-file comment counts before diff stats", () => {
+    const withComments = createTestDiffFile({
+      id: "with-comments",
+      path: "src/ui/commented.ts",
+      before: lines("const alpha = 1;", "const beta = 2;", "const gamma = 3;"),
+      after: lines("const alpha = 10;", "const beta = 2;", "const gamma = 30;"),
+      agent: {
+        path: "src/ui/commented.ts",
+        annotations: [
+          { summary: "Note on first hunk", newRange: [1, 1] },
+          { summary: "Another note on first hunk", newRange: [1, 1] },
+          { summary: "Note on second hunk", newRange: [3, 3] },
+        ],
+      },
+    });
+
+    const [entry] = buildSidebarEntries([withComments]).filter((item) => item.kind === "file");
+
+    expect(entry).toMatchObject({
+      name: "commented.ts",
+      agentCommentsText: "*3",
+      additionsText: "+2",
+      deletionsText: "-2",
+    });
+  });
+
+  test("buildSidebarEntries counts all comments attached to a file, even off-range ones", () => {
+    const withComments = createTestDiffFile({
+      id: "all-comments",
+      path: "src/ui/all-comments.ts",
+      before: lines("const alpha = 1;", "const beta = 2;", "const gamma = 3;"),
+      after: lines("const alpha = 10;", "const beta = 2;", "const gamma = 30;"),
+      agent: {
+        path: "src/ui/all-comments.ts",
+        annotations: [
+          { summary: "First note", newRange: [1, 1] },
+          { summary: "Second note", newRange: [1, 1] },
+          // The sidebar count is per-file, so even comments outside a visible hunk still count.
+          { summary: "Third note", newRange: [20, 20] },
+        ],
+      },
+    });
+
+    const [entry] = buildSidebarEntries([withComments]).filter((item) => item.kind === "file");
+
+    expect(entry).toMatchObject({
+      name: "all-comments.ts",
+      agentCommentsText: "*3",
+      additionsText: "+2",
+      deletionsText: "-2",
+    });
+  });
+
   test("fileLabelParts strips parser-added line endings from rename labels", () => {
     const renamedAcrossDirectories = {
       ...createTestDiffFile({
diff --git a/src/ui/lib/files.ts b/src/ui/lib/files.ts
index eed9314..7729c68 100644
--- a/src/ui/lib/files.ts
+++ b/src/ui/lib/files.ts
@@ -7,6 +7,7 @@ export interface FileListEntry {
   kind: "file";
   id: string;
   name: string;
+  agentCommentsText: string | null;
   additionsText: string | null;
   deletionsText: string | null;
   changeType: FileDiffMetadata["type"];
@@ -40,9 +41,17 @@ function formatSidebarStat(prefix: "+" | "-", value: number) {
   return value > 0 ? `${prefix}${value}` : null;
 }
 
-/** Build the visible stats badges for one sidebar row. */
-export function sidebarEntryStats(entry: Pick<FileListEntry, "additionsText" | "deletionsText">) {
-  const stats: Array<{ kind: "addition" | "deletion"; text: string }> = [];
+/** Build the visible stats badges for one sidebar row.
+ * Keep the agent-note badge first so it reads as review context before line churn.
+ */
+export function sidebarEntryStats(
+  entry: Pick<FileListEntry, "agentCommentsText" | "additionsText" | "deletionsText">,
+) {
+  const stats: Array<{ kind: "agent-comment" | "addition" | "deletion"; text: string }> = [];
+
+  if (entry.agentCommentsText) {
+    stats.push({ kind: "agent-comment", text: entry.agentCommentsText });
+  }
 
   if (entry.additionsText) {
     stats.push({ kind: "addition", text: entry.additionsText });
@@ -57,7 +66,7 @@ export function sidebarEntryStats(entry: Pick<FileListEntry, "additionsText" | "
 
 /** Measure the rendered sidebar stats width, including the space between badges. */
 export function sidebarEntryStatsWidth(
-  entry: Pick<FileListEntry, "additionsText" | "deletionsText">,
+  entry: Pick<FileListEntry, "agentCommentsText" | "additionsText" | "deletionsText">,
 ) {
   return sidebarEntryStats(entry).reduce(
     (width, stat, index) => width + stat.text.length + (index > 0 ? 1 : 0),
@@ -128,10 +137,13 @@ export function buildSidebarEntries(files: DiffFile[]): SidebarEntry[] {
       }
     }
 
+    const agentCommentCount = file.agent?.annotations.length ?? 0;
+
     entries.push({
       kind: "file",
       id: file.id,
       name: sidebarFileName(file),
+      agentCommentsText: agentCommentCount > 0 ? `*${agentCommentCount}` : null,
       additionsText: formatSidebarStat("+", file.stats.additions),
       deletionsText: formatSidebarStat("-", file.stats.deletions),
       changeType: file.metadata.type,
diff --git a/test/pty/ui-integration.test.ts b/test/pty/ui-integration.test.ts
index b7d7679..ba8b72b 100644
--- a/test/pty/ui-integration.test.ts
+++ b/test/pty/ui-integration.test.ts
@@ -429,7 +429,8 @@ describe("live UI integration", () => {
       await session.type("beta");
       const filtered = await harness.waitForSnapshot(
         session,
-        (text) => text.includes("betaValue") && !text.includes("add = true"),
+        (text) =>
+          text.includes("betaValue") && !text.includes("alpha.ts") && !text.includes("add = true"),
         5_000,
       );