diff --git a/apps/web/app/sessions/[sessionId]/chats/[chatId]/session-header.tsx b/apps/web/app/sessions/[sessionId]/chats/[chatId]/session-header.tsx
index 509017e9e..5a7c5af65 100644
--- a/apps/web/app/sessions/[sessionId]/chats/[chatId]/session-header.tsx
+++ b/apps/web/app/sessions/[sessionId]/chats/[chatId]/session-header.tsx
@@ -77,11 +77,22 @@ export function SessionHeader() {
   }, [session.prNumber, session.prStatus, changesCount, hasActionNeeded]);
 
   const openGitPanel = useCallback(() => {
-    if (session.prNumber) {
-      setGitPanelTab("pr");
-    }
+    const defaultTab = session.prNumber
+      ? "pr"
+      : hasActionNeeded || hasCommittedChanges || changesCount > 0
+        ? "diff"
+        : "files";
+
+    setGitPanelTab(defaultTab);
     setGitPanelOpen(true);
-  }, [session.prNumber, setGitPanelOpen, setGitPanelTab]);
+  }, [
+    session.prNumber,
+    hasActionNeeded,
+    hasCommittedChanges,
+    changesCount,
+    setGitPanelOpen,
+    setGitPanelTab,
+  ]);
 
   const handleGitPanelToggle = useCallback(() => {
     if (gitPanelOpen) {
diff --git a/bun.lock b/bun.lock
index ca60dfb08..0ecdb0014 100644
--- a/bun.lock
+++ b/bun.lock
@@ -1,9 +1,8 @@
 {
   "lockfileVersion": 1,
-  "configVersion": 0,
   "workspaces": {
     "": {
-      "name": "cc-clone-ai-sdk",
+      "name": "open-harness",
       "devDependencies": {
         "oxfmt": "^0.43.0",
         "oxlint": "1.57.0",
@@ -837,7 +836,7 @@
 
     "@turbo/windows-arm64": ["@turbo/windows-arm64@2.9.1", "", { "os": "win32", "cpu": "arm64" }, "sha512-BjX2fdz38mBb/H94JXrD5cJ+mEq8NmsCbYdC42JzQebJ0X8EdNgyFoEhOydPGViOmaRmhhdZnPZKKn6wahSpcA=="],
 
-    "@types/bun": ["@types/bun@1.3.11", "", { "dependencies": { "bun-types": "1.3.11" } }, "sha512-5vPne5QvtpjGpsGYXiFyycfpDF2ECyPcTSsFBMa0fraoxiQyMJ3SmuQIGhzPg2WJuWxVBoxWJ2kClYTcw/4fAg=="],
+    "@types/bun": ["@types/bun@1.3.12", "", { "dependencies": { "bun-types": "1.3.12" } }, "sha512-DBv81elK+/VSwXHDlnH3Qduw+KxkTIWi7TXkAeh24zpi5l0B2kUg9Ga3tb4nJaPcOFswflgi/yAvMVBPrxMB+A=="],
 
     "@types/d3": ["@types/d3@7.4.3", "", { "dependencies": { "@types/d3-array": "*", "@types/d3-axis": "*", "@types/d3-brush": "*", "@types/d3-chord": "*", "@types/d3-color": "*", "@types/d3-contour": "*", "@types/d3-delaunay": "*", "@types/d3-dispatch": "*", "@types/d3-drag": "*", "@types/d3-dsv": "*", "@types/d3-ease": "*", "@types/d3-fetch": "*", "@types/d3-force": "*", "@types/d3-format": "*", "@types/d3-geo": "*", "@types/d3-hierarchy": "*", "@types/d3-interpolate": "*", "@types/d3-path": "*", "@types/d3-polygon": "*", "@types/d3-quadtree": "*", "@types/d3-random": "*", "@types/d3-scale": "*", "@types/d3-scale-chromatic": "*", "@types/d3-selection": "*", "@types/d3-shape": "*", "@types/d3-time": "*", "@types/d3-time-format": "*", "@types/d3-timer": "*", "@types/d3-transition": "*", "@types/d3-zoom": "*" } }, "sha512-lZXZ9ckh5R8uiFVt8ogUNf+pIrK4EsWrx2Np75WvF/eTpJ0FMHNhjXk8CKEx/+gpHbNQyJWehbFaTvqmHWB3ww=="],
 
@@ -1069,7 +1068,7 @@
 
     "builtin-modules": ["builtin-modules@5.0.0", "", {}, "sha512-bkXY9WsVpY7CvMhKSR6pZilZu9Ln5WDrKVBUXf2S443etkmEO4V58heTecXcUIsNsi4Rx8JUO4NfX1IcQl4deg=="],
 
-    "bun-types": ["bun-types@1.3.11", "", { "dependencies": { "@types/node": "*" } }, "sha512-1KGPpoxQWl9f6wcZh57LvrPIInQMn2TQ7jsgxqpRzg+l0QPOFvJVH7HmvHo/AiPgwXy+/Thf6Ov3EdVn1vOabg=="],
+    "bun-types": ["bun-types@1.3.12", "", { "dependencies": { "@types/node": "*" } }, "sha512-HqOLj5PoFajAQciOMRiIZGNoKxDJSr6qigAttOX40vJuSp6DN/CxWp9s3C1Xwm4oH7ybueITwiaOcWXoYVoRkA=="],
 
     "bundle-name": ["bundle-name@4.1.0", "", { "dependencies": { "run-applescript": "^7.0.0" } }, "sha512-tjwM5exMg6BGRI+kNmTntNsvdZS1X8BFYS6tnJ2hdH0kVxM6/eVZ2xy+FqStSWvYmtfFMDLIxurorHwDKfDz5Q=="],