fix: indexing modal now tracks last successful repo, not last in array

Reference equality check (repo === githubRepos[last]) meant if the
last repo errored, the modal never opened for earlier successes.
Now tracks lastSuccessId/lastSuccessName and opens modal after the loop.

Author: DevanshuNEU

frontend/src/components/dashboard/DashboardHome.tsx

@@ -107,17 +107,17 @@ export function DashboardHome() {
   const handleGitHubImport = async (githubRepos: GitHubRepo[]) => {
     if (githubRepos.length === 0) return
 
+    let lastSuccessId: string | null = null
+    let lastSuccessName = ''
+
     for (const repo of githubRepos) {
       try {
         setLoading(true)
         const repoId = await addAndIndex(repo.name, repo.clone_url, repo.default_branch)
 
         if (repoId) {
-          if (repo === githubRepos[githubRepos.length - 1]) {
-            setIndexingRepoId(repoId)
-            setIndexingRepoName(repo.name)
-            setShowIndexingModal(true)
-          }
+          lastSuccessId = repoId
+          lastSuccessName = repo.name
           toast.success(`Added ${repo.name}`)
         }
       } catch (error) {
@@ -127,6 +127,13 @@ export function DashboardHome() {
       }
     }
 
+    // show indexing modal for the last successfully added repo
+    if (lastSuccessId) {
+      setIndexingRepoId(lastSuccessId)
+      setIndexingRepoName(lastSuccessName)
+      setShowIndexingModal(true)
+    }
+
     setLoading(false)
     refreshRepos()
   }