bug-fix

src/hooks.server.ts

@@ -84,8 +84,13 @@ export const handle: Handle = async ({ event, resolve }) => {
                                   url.pathname.endsWith('/access') || // GET /access is read-only
                                   url.pathname.endsWith('/maintainers')); // GET /maintainers is read-only
 
-  // Check rate limit (skip for Vite internal requests and read-only repo requests)
+  // Skip rate limiting for read-only GET requests to user endpoints (profile pages)
-  const rateLimitResult = (isViteInternalRequest || isReadOnlyRepoRequest)
+  const isReadOnlyUserRequest = event.request.method === 'GET' && 
+                                  url.pathname.startsWith('/api/users/') &&
+                                  (url.pathname.endsWith('/repos')); // GET /users/[npub]/repos is read-only
+
+  // Check rate limit (skip for Vite internal requests and read-only requests)
+  const rateLimitResult = (isViteInternalRequest || isReadOnlyRepoRequest || isReadOnlyUserRequest)
     ? { allowed: true, resetAt: Date.now() }
     : rateLimiter.check(rateLimitType, rateLimitIdentifier, isAnonymous);
   if (!rateLimitResult.allowed) {

src/lib/services/git/api-repo-fetcher.ts

@@ -0,0 +1,412 @@
+/**
+ * API-based repository fetcher service
+ * Fetches repository metadata from external platforms without cloning
+ * Supports GitHub, GitLab, Gitea, GRASP, and other git hosting services
+ * 
+ * This is used by default for displaying repos. Only privileged users
+ * can explicitly clone repos to the server.
+ */
+
+import logger from '../logger.js';
+
+export interface ApiRepoInfo {
+  name: string;
+  description?: string;
+  url: string;
+  defaultBranch: string;
+  branches: ApiBranch[];
+  commits: ApiCommit[];
+  files: ApiFile[];
+  readme?: {
+    path: string;
+    content: string;
+    format: 'markdown' | 'asciidoc';
+  };
+  platform: 'github' | 'gitlab' | 'gitea' | 'grasp' | 'unknown';
+  isCloned: boolean; // Whether repo exists locally
+}
+
+export interface ApiBranch {
+  name: string;
+  commit: {
+    sha: string;
+    message: string;
+    author: string;
+    date: string;
+  };
+}
+
+export interface ApiCommit {
+  sha: string;
+  message: string;
+  author: string;
+  date: string;
+}
+
+export interface ApiFile {
+  name: string;
+  path: string;
+  type: 'file' | 'dir';
+  size?: number;
+}
+
+type GitPlatform = 'github' | 'gitlab' | 'gitea' | 'grasp' | 'unknown';
+
+/**
+ * Check if a URL is a GRASP (Git Repository Access via Secure Protocol) URL
+ * GRASP URLs contain npub (Nostr public key) in the path: https://host/npub.../repo.git
+ */
+export function isGraspUrl(url: string): boolean {
+  return /\/npub1[a-z0-9]+/i.test(url);
+}
+
+/**
+ * Parse git URL to extract platform, owner, and repo
+ */
+function parseGitUrl(url: string): { platform: GitPlatform; owner: string; repo: string; baseUrl: string } | null {
+  // Handle GRASP URLs - they use Gitea-compatible API but with npub as owner
+  if (isGraspUrl(url)) {
+    const graspMatch = url.match(/(https?:\/\/[^/]+)\/(npub1[a-z0-9]+)\/([^/]+?)(?:\.git)?\/?$/i);
+    if (graspMatch) {
+      const [, baseHost, npub, repo] = graspMatch;
+      return {
+        platform: 'grasp',
+        owner: npub,
+        repo: repo.replace(/\.git$/, ''),
+        baseUrl: `${baseHost}/api/v1`
+      };
+    }
+    return null;
+  }
+
+  // GitHub
+  const githubMatch = url.match(/github\.com[/:]([^/]+)\/([^/]+?)(?:\.git)?\/?$/);
+  if (githubMatch) {
+    return {
+      platform: 'github',
+      owner: githubMatch[1],
+      repo: githubMatch[2].replace(/\.git$/, ''),
+      baseUrl: 'https://api.github.com'
+    };
+  }
+
+  // GitLab (both gitlab.com and self-hosted instances)
+  const gitlabMatch = url.match(/(https?:\/\/[^/]*gitlab[^/]*)\/([^/]+)\/([^/]+?)(?:\.git)?\/?$/);
+  if (gitlabMatch) {
+    const baseHost = gitlabMatch[1];
+    const baseUrl = baseHost.includes('gitlab.com') 
+      ? 'https://gitlab.com/api/v4'
+      : `${baseHost}/api/v4`;
+    return {
+      platform: 'gitlab',
+      owner: gitlabMatch[2],
+      repo: gitlabMatch[3].replace(/\.git$/, ''),
+      baseUrl
+    };
+  }
+
+  // Gitea and other Git hosting services (generic pattern)
+  const giteaMatch = url.match(/(https?:\/\/[^/]+)\/([^/]+)\/([^/]+?)(?:\.git)?\/?$/);
+  if (giteaMatch) {
+    // Double-check it's not a GRASP URL (npub in owner position)
+    if (giteaMatch[2].startsWith('npub1')) {
+      return null;
+    }
+    return {
+      platform: 'gitea',
+      owner: giteaMatch[2],
+      repo: giteaMatch[3].replace(/\.git$/, ''),
+      baseUrl: `${giteaMatch[1]}/api/v1`
+    };
+  }
+
+  return null;
+}
+
+/**
+ * Check if a repository exists locally
+ */
+async function checkLocalRepo(npub: string, repoName: string): Promise<boolean> {
+  try {
+    // Dynamic import to avoid bundling Node.js fs in browser
+    const { existsSync } = await import('fs');
+    const { join } = await import('path');
+    const repoRoot = process.env.GIT_REPO_ROOT || '/repos';
+    const repoPath = join(repoRoot, npub, `${repoName}.git`);
+    return existsSync(repoPath);
+  } catch {
+    // If we can't check (e.g., in browser), assume not cloned
+    return false;
+  }
+}
+
+/**
+ * Fetch repository metadata from GitHub API
+ */
+async function fetchFromGitHub(owner: string, repo: string): Promise<Partial<ApiRepoInfo> | null> {
+  try {
+    const githubToken = process.env.GITHUB_TOKEN;
+    const headers: Record<string, string> = {
+      'Accept': 'application/vnd.github.v3+json',
+      'User-Agent': 'GitRepublic'
+    };
+    
+    if (githubToken) {
+      headers['Authorization'] = `Bearer ${githubToken}`;
+    }
+
+    const repoResponse = await fetch(`https://api.github.com/repos/${owner}/${repo}`, { headers });
+    if (!repoResponse.ok) {
+      if (repoResponse.status === 404) {
+        return null;
+      }
+      logger.warn({ status: repoResponse.status, owner, repo }, 'GitHub API error');
+      return null;
+    }
+
+    const repoData = await repoResponse.json();
+    const defaultBranch = repoData.default_branch || 'main';
+
+    // Fetch branches, commits, and tree in parallel
+    const [branchesResponse, commitsResponse, treeResponse] = await Promise.all([
+      fetch(`https://api.github.com/repos/${owner}/${repo}/branches`, { headers }).catch(() => null),
+      fetch(`https://api.github.com/repos/${owner}/${repo}/commits?per_page=10`, { headers }).catch(() => null),
+      fetch(`https://api.github.com/repos/${owner}/${repo}/git/trees/${defaultBranch}?recursive=1`, { headers }).catch(() => null)
+    ]);
+
+    const branches: ApiBranch[] = branchesResponse?.ok 
+      ? (await branchesResponse.json()).map((b: any) => ({
+          name: b.name,
+          commit: {
+            sha: b.commit.sha,
+            message: b.commit.commit?.message?.split('\n')[0] || 'No commit message',
+            author: b.commit.commit?.author?.name || 'Unknown',
+            date: b.commit.commit?.author?.date || new Date().toISOString()
+          }
+        }))
+      : [];
+
+    const commits: ApiCommit[] = commitsResponse?.ok
+      ? (await commitsResponse.json()).map((c: any) => ({
+          sha: c.sha,
+          message: c.commit?.message?.split('\n')[0] || 'No commit message',
+          author: c.commit?.author?.name || 'Unknown',
+          date: c.commit?.author?.date || new Date().toISOString()
+        }))
+      : [];
+
+    const files: ApiFile[] = treeResponse?.ok
+      ? (await treeResponse.json()).tree
+          ?.filter((item: any) => item.type === 'blob' || item.type === 'tree')
+          .map((item: any) => ({
+            name: item.path.split('/').pop(),
+            path: item.path,
+            type: item.type === 'tree' ? 'dir' : 'file',
+            size: item.size
+          })) || []
+      : [];
+
+    // Try to fetch README
+    let readme: { path: string; content: string; format: 'markdown' | 'asciidoc' } | undefined;
+    const readmeFiles = ['README.adoc', 'README.md', 'README.rst', 'README.txt'];
+    for (const readmeFile of readmeFiles) {
+      try {
+        const readmeResponse = await fetch(
+          `https://api.github.com/repos/${owner}/${repo}/contents/${readmeFile}?ref=${defaultBranch}`,
+          { headers }
+        );
+        if (readmeResponse.ok) {
+          const readmeData = await readmeResponse.json();
+          if (readmeData.content) {
+            const content = atob(readmeData.content.replace(/\s/g, ''));
+            readme = {
+              path: readmeFile,
+              content,
+              format: readmeFile.toLowerCase().endsWith('.adoc') ? 'asciidoc' : 'markdown'
+            };
+            break;
+          }
+        }
+      } catch {
+        continue;
+      }
+    }
+
+    return {
+      name: repoData.name,
+      description: repoData.description,
+      url: repoData.html_url,
+      defaultBranch,
+      branches,
+      commits,
+      files,
+      readme,
+      platform: 'github'
+    };
+  } catch (error) {
+    logger.error({ error, owner, repo }, 'Error fetching from GitHub');
+    return null;
+  }
+}
+
+/**
+ * Fetch repository metadata from GitLab API
+ * Note: This is a simplified version. For full implementation, see aitherboard's git-repo-fetcher.ts
+ */
+async function fetchFromGitLab(owner: string, repo: string, baseUrl: string): Promise<Partial<ApiRepoInfo> | null> {
+  try {
+    const projectPath = encodeURIComponent(`${owner}/${repo}`);
+    const repoResponse = await fetch(`${baseUrl}/projects/${projectPath}`);
+    
+    if (!repoResponse.ok) {
+      if (repoResponse.status === 404) {
+        return null;
+      }
+      return null;
+    }
+
+    const repoData = await repoResponse.json();
+    const defaultBranch = repoData.default_branch || 'master';
+
+    // For now, return basic info. Full implementation would fetch branches, commits, files
+    return {
+      name: repoData.name,
+      description: repoData.description,
+      url: repoData.web_url,
+      defaultBranch,
+      branches: [],
+      commits: [],
+      files: [],
+      platform: 'gitlab'
+    };
+  } catch (error) {
+    logger.error({ error, owner, repo }, 'Error fetching from GitLab');
+    return null;
+  }
+}
+
+/**
+ * Fetch repository metadata from Gitea API
+ */
+async function fetchFromGitea(owner: string, repo: string, baseUrl: string): Promise<Partial<ApiRepoInfo> | null> {
+  try {
+    const encodedOwner = encodeURIComponent(owner);
+    const encodedRepo = encodeURIComponent(repo);
+    const repoResponse = await fetch(`${baseUrl}/repos/${encodedOwner}/${encodedRepo}`);
+    
+    if (!repoResponse.ok) {
+      if (repoResponse.status === 404) {
+        return null;
+      }
+      return null;
+    }
+
+    const repoData = await repoResponse.json();
+    const defaultBranch = repoData.default_branch || 'master';
+
+    return {
+      name: repoData.name,
+      description: repoData.description,
+      url: repoData.html_url || repoData.clone_url,
+      defaultBranch,
+      branches: [],
+      commits: [],
+      files: [],
+      platform: 'gitea'
+    };
+  } catch (error) {
+    logger.error({ error, owner, repo }, 'Error fetching from Gitea');
+    return null;
+  }
+}
+
+/**
+ * Fetch repository metadata from GRASP
+ * GRASP repos use git protocol, so we can't easily fetch metadata via API
+ * For now, return minimal info indicating it's a GRASP repo
+ */
+async function fetchFromGrasp(npub: string, repo: string, baseUrl: string, originalUrl: string): Promise<Partial<ApiRepoInfo> | null> {
+  // GRASP repos typically don't have REST APIs
+  // Full implementation would use git protocol (info/refs, git-upload-pack)
+  // For now, return basic structure
+  return {
+    name: repo,
+    description: undefined,
+    url: originalUrl,
+    defaultBranch: 'main',
+    branches: [],
+    commits: [],
+    files: [],
+    platform: 'grasp'
+  };
+}
+
+/**
+ * Fetch repository metadata from a git URL
+ * This is the main entry point for API-based fetching
+ */
+export async function fetchRepoMetadata(
+  url: string,
+  npub: string,
+  repoName: string
+): Promise<ApiRepoInfo | null> {
+  const parsed = parseGitUrl(url);
+  if (!parsed) {
+    logger.warn({ url }, 'Unable to parse git URL');
+    return null;
+  }
+
+  const { platform, owner, repo, baseUrl } = parsed;
+  const isCloned = await checkLocalRepo(npub, repoName);
+
+  let metadata: Partial<ApiRepoInfo> | null = null;
+
+  switch (platform) {
+    case 'github':
+      metadata = await fetchFromGitHub(owner, repo);
+      break;
+    case 'gitlab':
+      metadata = await fetchFromGitLab(owner, repo, baseUrl);
+      break;
+    case 'gitea':
+      metadata = await fetchFromGitea(owner, repo, baseUrl);
+      break;
+    case 'grasp':
+      metadata = await fetchFromGrasp(owner, repo, baseUrl, url);
+      break;
+    default:
+      logger.warn({ platform, url }, 'Unsupported platform');
+      return null;
+  }
+
+  if (!metadata) {
+    return null;
+  }
+
+  return {
+    ...metadata,
+    isCloned,
+    platform
+  } as ApiRepoInfo;
+}
+
+/**
+ * Extract git URLs from a Nostr repo announcement event
+ */
+export function extractGitUrls(event: { tags: string[][] }): string[] {
+  const urls: string[] = [];
+  
+  for (const tag of event.tags) {
+    if (tag[0] === 'clone') {
+      // Clone tags can have multiple URLs: ["clone", "url1", "url2", "url3"]
+      for (let i = 1; i < tag.length; i++) {
+        const url = tag[i];
+        if (url && typeof url === 'string' && (url.startsWith('http') || url.startsWith('git@'))) {
+          urls.push(url);
+        }
+      }
+    }
+  }
+  
+  return [...new Set(urls)]; // Deduplicate
+}

src/lib/services/git/repo-manager.ts

@@ -163,6 +163,41 @@ export class RepoManager {
    * Get git environment variables with Tor proxy if needed for .onion addresses
    * Security: Only whitelist necessary environment variables
    */
+  /**
+   * Inject authentication token into a git URL if needed
+   * Supports GitHub tokens via GITHUB_TOKEN environment variable
+   * Returns the original URL if no token is needed or available
+   */
+  private injectAuthToken(url: string): string {
+    try {
+      const urlObj = new URL(url);
+      
+      // If URL already has credentials, don't modify it
+      if (urlObj.username) {
+        return url;
+      }
+      
+      // Check for GitHub token
+      if (urlObj.hostname === 'github.com' || urlObj.hostname.endsWith('.github.com')) {
+        const githubToken = process.env.GITHUB_TOKEN;
+        if (githubToken) {
+          // Inject token into URL: https://token@github.com/user/repo.git
+          urlObj.username = githubToken;
+          urlObj.password = ''; // GitHub uses token as username, password is empty
+          return urlObj.toString();
+        }
+      }
+      
+      // Add support for other git hosting services here if needed
+      // e.g., GitLab: GITLAB_TOKEN, Gitea: GITEA_TOKEN, etc.
+      
+      return url;
+    } catch {
+      // URL parsing failed, return original URL
+      return url;
+    }
+  }
+
   private getGitEnvForUrl(url: string): Record<string, string> {
     // Whitelist only necessary environment variables for security
     const env: Record<string, string> = {
@@ -213,14 +248,23 @@ export class RepoManager {
   private async syncFromSingleRemote(repoPath: string, url: string, index: number): Promise<void> {
     const remoteName = `remote-${index}`;
     const git = simpleGit(repoPath);
-    const gitEnv = this.getGitEnvForUrl(url);
+    // Inject authentication token if available (e.g., GITHUB_TOKEN)
+    const authenticatedUrl = this.injectAuthToken(url);
+    const gitEnv = this.getGitEnvForUrl(authenticatedUrl);
     
     try {
       // Add remote if not exists (ignore error if already exists)
+      // Use authenticated URL so git can access private repos
       try {
-        await git.addRemote(remoteName, url);
+        await git.addRemote(remoteName, authenticatedUrl);
       } catch {
-        // Remote might already exist, that's okay
+        // Remote might already exist, that's okay - try to update it
+        try {
+          await git.removeRemote(remoteName);
+          await git.addRemote(remoteName, authenticatedUrl);
+        } catch {
+          // If update fails, continue - might be using old URL
+        }
       }
       
       // Configure git proxy for this remote if it's a .onion address
@@ -545,16 +589,25 @@ export class RepoManager {
       }
 
       // Try to clone from the first available remote URL
-      // Use simple-git for safer cloning
+      // Inject authentication token if available (e.g., GITHUB_TOKEN)
+      const authenticatedUrl = this.injectAuthToken(remoteUrls[0]);
       const git = simpleGit();
-      const gitEnv = this.getGitEnvForUrl(remoteUrls[0]);
+      const gitEnv = this.getGitEnvForUrl(authenticatedUrl);
       
-      logger.info({ npub, repoName, sourceUrl: remoteUrls[0], cloneUrls }, 'Fetching repository on-demand from remote');
+      // Log if we're using authentication (but don't log the token)
+      const isAuthenticated = authenticatedUrl !== remoteUrls[0];
+      logger.info({ 
+        npub, 
+        repoName, 
+        sourceUrl: remoteUrls[0], 
+        cloneUrls,
+        authenticated: isAuthenticated
+      }, 'Fetching repository on-demand from remote');
       
       // Clone as bare repository
       // Use gitEnv which already contains necessary whitelisted environment variables
       await new Promise<void>((resolve, reject) => {
-        const cloneProcess = spawn('git', ['clone', '--bare', remoteUrls[0], repoPath], {
+        const cloneProcess = spawn('git', ['clone', '--bare', authenticatedUrl, repoPath], {
           env: gitEnv,
           stdio: ['ignore', 'pipe', 'pipe']
         });
@@ -574,13 +627,28 @@ export class RepoManager {
             resolve();
           } else {
             const errorMsg = `Git clone failed with code ${code}: ${stderr || stdout}`;
-            logger.error({ npub, repoName, sourceUrl: remoteUrls[0], code, stderr, stdout }, 'Git clone failed');
+            // Don't log the authenticated URL (might contain token)
+            logger.error({ 
+              npub, 
+              repoName, 
+              sourceUrl: remoteUrls[0], 
+              code, 
+              stderr, 
+              stdout,
+              authenticated: isAuthenticated
+            }, 'Git clone failed');
             reject(new Error(errorMsg));
           }
         });
 
         cloneProcess.on('error', (err) => {
-          logger.error({ npub, repoName, sourceUrl: remoteUrls[0], error: err }, 'Git clone process error');
+          logger.error({ 
+            npub, 
+            repoName, 
+            sourceUrl: remoteUrls[0], 
+            error: err,
+            authenticated: isAuthenticated
+          }, 'Git clone process error');
           reject(err);
         });
       });

src/lib/utils/user-access.ts

@@ -0,0 +1,20 @@
+/**
+ * Utility functions for checking user access levels
+ */
+
+import type { UserLevel } from '../services/nostr/user-level-service.js';
+
+/**
+ * Check if a user has unlimited/write access
+ * Only unlimited users can clone repos and register new repos
+ */
+export function hasUnlimitedAccess(userLevel: UserLevel | null | undefined): boolean {
+  return userLevel === 'unlimited';
+}
+
+/**
+ * Check if a user is logged in (has any access level)
+ */
+export function isLoggedIn(userLevel: UserLevel | null | undefined): boolean {
+  return userLevel !== null && userLevel !== undefined && userLevel !== 'strictly_rate_limited';
+}

src/routes/api/repos/[npub]/[repo]/branches/+server.ts

@@ -13,6 +13,9 @@ import { KIND } from '$lib/types/nostr.js';
 import { join } from 'path';
 import { existsSync } from 'fs';
 import { repoCache, RepoCache } from '$lib/services/git/repo-cache.js';
+import { DEFAULT_NOSTR_RELAYS, DEFAULT_NOSTR_SEARCH_RELAYS } from '$lib/config.js';
+import { NostrClient } from '$lib/services/nostr/nostr-client.js';
+import { eventCache } from '$lib/services/nostr/event-cache.js';
 
 const repoRoot = typeof process !== 'undefined' && process.env?.GIT_REPO_ROOT
   ? process.env.GIT_REPO_ROOT
@@ -25,15 +28,30 @@ export const GET: RequestHandler = createRepoGetHandler(
     // If repo doesn't exist, try to fetch it on-demand
     if (!existsSync(repoPath)) {
       try {
-        // Fetch repository announcement from Nostr
+        // Try cached client first (cache-first lookup)
-        const events = await nostrClient.fetchEvents([
+        const filters = [
           {
             kinds: [KIND.REPO_ANNOUNCEMENT],
             authors: [context.repoOwnerPubkey],
             '#d': [context.repo],
             limit: 1
           }
-        ]);
+        ];
+        
+        let events = await nostrClient.fetchEvents(filters);
+        
+        // If no events found in cache/default relays, try all relays (default + search)
+        // But first invalidate the cache entry so we don't get the same cached empty result
+        if (events.length === 0) {
+          const allRelays = [...new Set([...DEFAULT_NOSTR_RELAYS, ...DEFAULT_NOSTR_SEARCH_RELAYS])];
+          // Only create new client if we have additional relays to try
+          if (allRelays.length > DEFAULT_NOSTR_RELAYS.length) {
+            // Invalidate the cache entry so we can try fresh with all relays
+            eventCache.invalidate(filters);
+            const allRelaysClient = new NostrClient(allRelays);
+            events = await allRelaysClient.fetchEvents(filters);
+          }
+        }
 
         if (events.length > 0) {
           // Try to fetch the repository from remote clone URLs
@@ -74,8 +92,12 @@ export const GET: RequestHandler = createRepoGetHandler(
             }
           }
         } else {
+          // No events found - could be because:
+          // 1. Repository doesn't exist
+          // 2. Relays are unreachable
+          // 3. Repository is on different relays
           throw handleNotFoundError(
-            'Repository announcement not found in Nostr',
+            'Repository announcement not found in Nostr. This could mean: (1) the repository does not exist, (2) the configured Nostr relays are unreachable, or (3) the repository is published on different relays. Try configuring additional relays via the NOSTR_RELAYS environment variable.',
             { operation: 'getBranches', npub: context.npub, repo: context.repo }
           );
         }

src/routes/api/repos/[npub]/[repo]/clone/+server.ts

@@ -0,0 +1,124 @@
+/**
+ * Clone repository endpoint
+ * Only privileged users (unlimited access) can clone repos to the server
+ */
+
+import { error, json } from '@sveltejs/kit';
+import type { RequestHandler } from './$types';
+import { RepoManager } from '$lib/services/git/repo-manager.js';
+import { requireNpubHex } from '$lib/utils/npub-utils.js';
+import { existsSync } from 'fs';
+import { join } from 'path';
+import { DEFAULT_NOSTR_RELAYS } from '$lib/config.js';
+import { NostrClient } from '$lib/services/nostr/nostr-client.js';
+import { KIND } from '$lib/types/nostr.js';
+import { extractRequestContext } from '$lib/utils/api-context.js';
+import { getCachedUserLevel } from '$lib/services/security/user-level-cache.js';
+import logger from '$lib/services/logger.js';
+import { handleApiError, handleValidationError } from '$lib/utils/error-handler.js';
+
+const repoRoot = process.env.GIT_REPO_ROOT || '/repos';
+const repoManager = new RepoManager(repoRoot);
+const nostrClient = new NostrClient(DEFAULT_NOSTR_RELAYS);
+
+export const POST: RequestHandler = async (event) => {
+  const { npub, repo } = event.params;
+  
+  if (!npub || !repo) {
+    throw handleValidationError('Missing npub or repo parameter', { operation: 'cloneRepo', npub, repo });
+  }
+
+  // Extract user context
+  const requestContext = extractRequestContext(event);
+  const userPubkeyHex = requestContext.userPubkeyHex;
+
+  if (!userPubkeyHex) {
+    throw error(401, 'Authentication required. Please log in to clone repositories.');
+  }
+
+  // Check if user has unlimited access
+  const userLevel = getCachedUserLevel(userPubkeyHex);
+  if (!userLevel || userLevel.level !== 'unlimited') {
+    throw error(403, 'Only users with unlimited access can clone repositories to the server.');
+  }
+
+  try {
+    // Decode npub to get pubkey
+    const repoOwnerPubkey = requireNpubHex(npub);
+    const repoPath = join(repoRoot, npub, `${repo}.git`);
+
+    // Check if repo already exists
+    if (existsSync(repoPath)) {
+      return json({ 
+        success: true, 
+        message: 'Repository already exists locally',
+        alreadyExists: true
+      });
+    }
+
+    // Fetch repository announcement
+    const events = await nostrClient.fetchEvents([
+      {
+        kinds: [KIND.REPO_ANNOUNCEMENT],
+        authors: [repoOwnerPubkey],
+        '#d': [repo],
+        limit: 1
+      }
+    ]);
+
+    if (events.length === 0) {
+      throw handleValidationError(
+        'Repository announcement not found in Nostr',
+        { operation: 'cloneRepo', npub, repo }
+      );
+    }
+
+    const announcementEvent = events[0];
+
+    // Attempt to clone the repository
+    const cloned = await repoManager.fetchRepoOnDemand(npub, repo, announcementEvent);
+
+    if (!cloned) {
+      throw handleApiError(
+        new Error('Failed to clone repository from remote URLs'),
+        { operation: 'cloneRepo', npub, repo },
+        'Could not clone repository. Please check that the repository has valid clone URLs and is accessible.'
+      );
+    }
+
+    // Verify repo exists after cloning
+    if (!existsSync(repoPath)) {
+      // Wait a moment for filesystem to sync
+      await new Promise(resolve => setTimeout(resolve, 500));
+      if (!existsSync(repoPath)) {
+        throw handleApiError(
+          new Error('Repository clone completed but repository is not accessible'),
+          { operation: 'cloneRepo', npub, repo },
+          'Repository clone completed but repository is not accessible'
+        );
+      }
+    }
+
+    logger.info({ npub, repo, userPubkeyHex: userPubkeyHex.slice(0, 16) + '...' }, 'Repository cloned successfully');
+
+    return json({
+      success: true,
+      message: 'Repository cloned successfully',
+      alreadyExists: false
+    });
+  } catch (err) {
+    logger.error({ error: err, npub, repo }, 'Error cloning repository');
+    
+    // Re-throw auth errors as-is
+    if (err instanceof Error && (err.message.includes('401') || err.message.includes('403'))) {
+      throw err;
+    }
+    
+    const error = err instanceof Error ? err : new Error(String(err));
+    throw handleApiError(
+      error,
+      { operation: 'cloneRepo', npub, repo },
+      'Failed to clone repository'
+    );
+  }
+};

src/routes/repos/+page.svelte

@@ -9,6 +9,7 @@
   import { ForkCountService } from '$lib/services/nostr/fork-count-service.js';
   import { getPublicKeyWithNIP07, isNIP07Available } from '$lib/services/nostr/nip07-signer.js';
   import { userStore } from '$lib/stores/user-store.js';
+  import { hasUnlimitedAccess } from '$lib/utils/user-access.js';
 
   // Registered repos (with domain in clone URLs)
   let registeredRepos = $state<Array<{ event: NostrEvent; npub: string; repoName: string }>>([]);
@@ -692,7 +693,7 @@
                           >
                             {deletingRepo?.npub === item.npub && deletingRepo?.repo === item.repoName ? 'Deleting...' : 'Delete'}
                           </button>
-                        {:else}
+                        {:else if hasUnlimitedAccess($userStore.userLevel)}
                           <button 
                             class="register-button"
                             onclick={() => registerRepo(item.npub, item.repoName)}

src/routes/repos/[npub]/[repo]/+page.svelte

@@ -16,6 +16,7 @@
   import { userStore } from '$lib/stores/user-store.js';
   import { generateVerificationFile, VERIFICATION_FILE_PATH } from '$lib/services/nostr/repo-verification.js';
   import type { NostrEvent } from '$lib/types/nostr.js';
+  import { hasUnlimitedAccess } from '$lib/utils/user-access.js';
 
   // Get page data for OpenGraph metadata - use $derived to make it reactive
   const pageData = $derived($page.data as {
@@ -123,6 +124,11 @@
   let isMaintainer = $state(false);
   let loadingMaintainerStatus = $state(false);
   
+  // Clone status
+  let isRepoCloned = $state<boolean | null>(null); // null = unknown, true = cloned, false = not cloned
+  let checkingCloneStatus = $state(false);
+  let cloning = $state(false);
+  
   // Verification status
   let verificationStatus = $state<{ verified: boolean; error?: string; message?: string } | null>(null);
   let showVerificationDialog = $state(false);
@@ -473,6 +479,58 @@
     }
   }
 
+  async function checkCloneStatus() {
+    if (checkingCloneStatus || isRepoCloned !== null) return;
+    
+    checkingCloneStatus = true;
+    try {
+      // Check if repo exists locally by trying to fetch branches
+      // If it returns 404, repo is not cloned
+      const response = await fetch(`/api/repos/${npub}/${repo}/branches`);
+      isRepoCloned = response.ok;
+    } catch (err) {
+      isRepoCloned = false;
+    } finally {
+      checkingCloneStatus = false;
+    }
+  }
+
+  async function cloneRepository() {
+    if (cloning) return;
+    
+    cloning = true;
+    try {
+      const response = await fetch(`/api/repos/${npub}/${repo}/clone`, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json'
+        }
+      });
+
+      if (!response.ok) {
+        const errorData = await response.json().catch(() => ({ message: response.statusText }));
+        throw new Error(errorData.message || `Failed to clone repository: ${response.statusText}`);
+      }
+
+      const data = await response.json();
+      isRepoCloned = true;
+      
+      if (data.alreadyExists) {
+        alert('Repository already exists locally.');
+      } else {
+        alert('Repository cloned successfully! The repository is now available on this server.');
+        // Reload the page to show the cloned repo
+        window.location.reload();
+      }
+    } catch (err) {
+      const errorMessage = err instanceof Error ? err.message : 'Failed to clone repository';
+      alert(`Error: ${errorMessage}`);
+      console.error('Error cloning repository:', err);
+    } finally {
+      cloning = false;
+    }
+  }
+
   async function forkRepository() {
     if (!userPubkey) {
       alert('Please connect your NIP-07 extension');
@@ -822,6 +880,11 @@
     await loadTags();
     await checkMaintainerStatus();
     await loadBookmarkStatus();
+    
+    // Check clone status if user has unlimited access
+    if (hasUnlimitedAccess($userStore.userLevel)) {
+      await checkCloneStatus();
+    }
     await checkVerification();
     await loadReadme();
     await loadForkInfo();
@@ -1779,6 +1842,16 @@
           >
             {loadingBookmark ? '...' : (isBookmarked ? '★' : '☆')}
           </button>
+          {#if hasUnlimitedAccess($userStore.userLevel) && (isRepoCloned === false || (isRepoCloned === null && !checkingCloneStatus))}
+            <button 
+              onclick={cloneRepository} 
+              disabled={cloning || checkingCloneStatus} 
+              class="clone-button"
+              title="Clone this repository to the server (privileged users only)"
+            >
+              {cloning ? 'Cloning...' : (checkingCloneStatus ? 'Checking...' : 'Clone to Server')}
+            </button>
+          {/if}
           {#if isMaintainer}
             <a href={`/repos/${npub}/${repo}/settings`} class="settings-button">Settings</a>
           {/if}

src/routes/signup/+page.svelte

@@ -8,6 +8,8 @@
   import { KIND } from '../../lib/types/nostr.js';
   import type { NostrEvent } from '../../lib/types/nostr.js';
   import { nip19 } from 'nostr-tools';
+  import { userStore } from '../../lib/stores/user-store.js';
+  import { hasUnlimitedAccess } from '../../lib/utils/user-access.js';
 
   let nip07Available = $state(false);
   let loading = $state(false);
@@ -1472,8 +1474,13 @@
   </header>
 
   <main>
-
+    {#if !hasUnlimitedAccess($userStore.userLevel)}
-    {#if !nip07Available}
+      <div class="warning">
+        <p>Only users with unlimited access can create or register repositories.</p>
+        <p>Please log in with an account that has write access to Nostr relays.</p>
+        <button onclick={() => goto('/')} class="button-primary">Go to Home</button>
+      </div>
+    {:else if !nip07Available}
       <div class="warning">
         <p>NIP-07 browser extension is required to sign repository announcements.</p>
         <p>Please install a Nostr browser extension (like Alby, nos2x, or similar).</p>

src/routes/users/[npub]/+page.svelte

@@ -21,28 +21,32 @@
   let error = $state<string | null>(null);
   let userPubkey = $state<string | null>(null);
   let viewerPubkeyHex = $state<string | null>(null);
+  let lastViewerPubkeyHex = $state<string | null>(null); // Track last viewer pubkey to detect changes
+  let isReloading = $state(false); // Guard to prevent concurrent reloads
 
-  // Sync with userStore
+  // Sync with userStore - only reload if viewer pubkey actually changed
   $effect(() => {
     const currentUser = $userStore;
-    const wasLoggedIn = userPubkey !== null || viewerPubkeyHex !== null;
+    const newViewerPubkeyHex = currentUser.userPubkeyHex;
     
-    if (currentUser.userPubkey && currentUser.userPubkeyHex) {
+    // Only update if viewer pubkey actually changed (not just any store change)
-      const wasDifferent = userPubkey !== currentUser.userPubkey || viewerPubkeyHex !== currentUser.userPubkeyHex;
+    if (newViewerPubkeyHex !== lastViewerPubkeyHex) {
-      userPubkey = currentUser.userPubkey;
+      const wasLoggedIn = viewerPubkeyHex !== null;
-      viewerPubkeyHex = currentUser.userPubkeyHex;
+      const isNowLoggedIn = newViewerPubkeyHex !== null;
       
-      // Reload profile and repos when user logs in or pubkey changes
+      // Update viewer pubkey
-      if (wasDifferent) {
+      viewerPubkeyHex = newViewerPubkeyHex;
-        loadUserProfile().catch(err => console.warn('Failed to reload user profile after login:', err));
+      lastViewerPubkeyHex = newViewerPubkeyHex;
-      }
-    } else {
-      userPubkey = null;
-      viewerPubkeyHex = null;
       
-      // Reload profile when user logs out to hide private repos
+      // Only reload if login state actually changed (logged in -> logged out or vice versa)
-      if (wasLoggedIn) {
+      // AND we're not already loading/reloading
-        loadUserProfile().catch(err => console.warn('Failed to reload user profile after logout:', err));
+      if ((wasLoggedIn !== isNowLoggedIn) && !loading && !isReloading) {
+        isReloading = true;
+        loadUserProfile()
+          .catch(err => console.warn('Failed to reload user profile after login state change:', err))
+          .finally(() => {
+            isReloading = false;
+          });
       }
     }
   });
@@ -105,17 +109,27 @@
   }
 
   async function loadUserProfile() {
+    // Prevent concurrent loads
+    if (loading && !isReloading) {
+      return;
+    }
+    
     loading = true;
     error = null;
 
     try {
-      // Decode npub to get pubkey
+      // Decode npub to get pubkey (this is the profile owner, not the viewer)
       const decoded = nip19.decode(npub);
       if (decoded.type !== 'npub') {
         error = 'Invalid npub format';
         return;
       }
-      userPubkey = decoded.data as string;
+      const profileOwnerPubkey = decoded.data as string;
+      
+      // Only update userPubkey if it's different (avoid triggering effects)
+      if (userPubkey !== profileOwnerPubkey) {
+        userPubkey = profileOwnerPubkey;
+      }
 
       // Fetch user's repositories via API (with privacy filtering)
       const url = `/api/users/${npub}/repos?domain=${encodeURIComponent(gitDomain)}`;