fix: 从 graph API 响应对象中提取 commits 数组

templates/pages/generate.html

@@ -99,7 +99,8 @@
                 try {
                     const graphResp = await fetch(`/api/repos/${repoId}/graph?max_commits=20`);
                     if (graphResp.ok) {
-                        commits = await graphResp.json();
+                        const gd = await graphResp.json();
+                        commits = gd.commits || [];
                     }
                 } catch (e) {
                     console.warn('Failed to load recent commits:', e);

templates/pages/repo.html

@@ -173,7 +173,7 @@
                     let commits = [];
                     try {
                         const graphResp = await fetch(`/api/repos/${repoId}/graph?max_commits=20`);
-                        if (graphResp.ok) commits = await graphResp.json();
+                        if (graphResp.ok) { const gd = await graphResp.json(); commits = gd.commits || []; }
                     } catch (e) { /* ignore */ }
 
                     populateRefSelects(currentRefs, commits);

templates/pages/review.html

@@ -121,7 +121,8 @@
                 try {
                     const graphResp = await fetch(`/api/repos/${repoId}/graph?max_commits=20`);
                     if (graphResp.ok) {
-                        commits = await graphResp.json();
+                        const gd = await graphResp.json();
+                        commits = gd.commits || [];
                     }
                 } catch (e) {
                     console.warn('Failed to load recent commits:', e);