fix: project center — fix empty repo list + Gitea tab bug + add repo selector

- GiteaService: use /repos/search?q= with fallback to /user/repos, remove slow per-repo API calls
- Frontend: add RepoSelector dropdown to Issues/Milestones/Releases tabs
- Fix Gitea panel tab (was filtered out by conditional undefined)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/modules/project-center/gitea.service.ts

@@ -21,21 +21,25 @@ export class GiteaService {
   }
 
   async getRepos() {
-    const repos = await this.giteaGet<any[]>('/repos/search?limit=50');
+    // Try search with wildcard first, fall back to user repos
+    let repos = await this.giteaGet<any[]>('/repos/search?q=&limit=50');
+    if (!repos || repos.length === 0) {
+      repos = await this.giteaGet<any[]>('/user/repos?limit=50');
+    }
     if (!repos) return [];
-    return Promise.all(repos.map(async (r: any) => {
-      const [issues, pulls, milestones] = await Promise.all([
-        this.giteaGet<any[]>(`/repos/${r.full_name}/issues?state=all&limit=1`).then(d => d?.length ?? 0).catch(() => 0),
-        this.giteaGet<any[]>(`/repos/${r.full_name}/pulls?state=all&limit=1`).then(d => d?.length ?? 0).catch(() => 0),
-        this.giteaGet<any[]>(`/repos/${r.full_name}/milestones?state=open`).catch(() => []),
-      ]);
-      return {
-        id: r.id, name: r.name, fullName: r.full_name, description: r.description,
-        owner: r.owner?.login, stars: r.stars_count, forks: r.forks_count,
-        openIssues: r.open_issues_count, openPulls: pulls, milestones: milestones?.length ?? 0,
+
+    const enriched: any[] = [];
+    for (const r of repos) {
+      const fullName = r.full_name;
+      // Just use open_issues_count from the search result; skip extra API calls
+      enriched.push({
+        id: r.id, name: r.name, fullName, description: r.description,
+        owner: r.owner?.login, stars: r.stars_count ?? 0, forks: r.forks_count ?? 0,
+        openIssues: r.open_issues_count ?? 0, openPulls: 0, milestones: 0,
         defaultBranch: r.default_branch, updatedAt: r.updated_at,
-      };
-    }));
+      });
+    }
+    return enriched;
   }
 
   async getMilestones(owner: string, repo: string) {