diff --git a/action.yml b/action.yml
index 0d5184d..4579e2f 100644
--- a/action.yml
+++ b/action.yml
@@ -246,12 +246,16 @@ runs:
     # language version and silently falls back to the pre-3.7 short style.
     - name: Setup Flutter SDK
       if: github.event_name == 'pull_request' && inputs.dart == 'true' && (github.event.action == 'opened' || github.event.action == 'synchronize')
-      run: |
-        echo "::group::Setup Flutter SDK"
-        trap 'echo "::endgroup::"' EXIT
-        git clone --depth 1 --branch stable https://github.com/flutter/flutter.git "$RUNNER_TEMP/flutter"
-        echo "$RUNNER_TEMP/flutter/bin" >> "$GITHUB_PATH"
-      shell: bash
+      uses: ultralytics/actions/retry@main
+      with:
+        retries: 2
+        timeout_minutes: 15
+        run: |
+          echo "::group::Setup Flutter SDK"
+          trap 'echo "::endgroup::"' EXIT
+          rm -rf "$RUNNER_TEMP/flutter"
+          git clone --depth 1 --branch stable https://github.com/flutter/flutter.git "$RUNNER_TEMP/flutter"
+          echo "$RUNNER_TEMP/flutter/bin" >> "$GITHUB_PATH"
 
     - name: Run Dart Formatter
       if: github.event_name == 'pull_request' && inputs.dart == 'true' && (github.event.action == 'opened' || github.event.action == 'synchronize')
@@ -423,7 +427,16 @@ runs:
           Darwin-x86_64) target=x86_64-apple-darwin ;;
         esac
         mkdir -p "$RUNNER_TEMP/lychee"
-        curl -sfL "https://github.com/lycheeverse/lychee/releases/latest/download/lychee-${target}.tar.gz" | tar -xz -C "$RUNNER_TEMP/lychee"
+        archive="lychee-${target}.tar.gz"
+        url="https://github.com/lycheeverse/lychee/releases/latest/download/$archive"
+        curl --retry 3 --retry-all-errors --retry-max-time 180 --connect-timeout 10 --max-time 60 -fsSL "$url" -o "$RUNNER_TEMP/lychee/$archive"
+        curl --retry 3 --retry-all-errors --retry-max-time 180 --connect-timeout 10 --max-time 60 -fsSL "$url.sha256" -o "$RUNNER_TEMP/lychee/$archive.sha256"
+        if command -v sha256sum >/dev/null; then
+          (cd "$RUNNER_TEMP/lychee" && sha256sum -c "$archive.sha256")
+        else
+          (cd "$RUNNER_TEMP/lychee" && shasum -a 256 -c "$archive.sha256")
+        fi
+        tar -xzf "$RUNNER_TEMP/lychee/$archive" -C "$RUNNER_TEMP/lychee"
         "$(find "$RUNNER_TEMP/lychee" -type f -name lychee)" \
         --scheme https \
         --timeout 60 \
diff --git a/actions/__init__.py b/actions/__init__.py
index a3c0bfb..39178dd 100644
--- a/actions/__init__.py
+++ b/actions/__init__.py
@@ -28,4 +28,4 @@
 #     ├── test_summarize_pr.py
 #     └── ...
 
-__version__ = "0.3.15"
+__version__ = "0.3.16"
diff --git a/actions/dependabot.py b/actions/dependabot.py
index 8947fef..021a80c 100644
--- a/actions/dependabot.py
+++ b/actions/dependabot.py
@@ -1,12 +1,10 @@
 # Ultralytics 🚀 AGPL-3.0 License - https://ultralytics.com/license
 """Update GitHub Actions versions across organization repositories with cached version resolution."""
 
-import json
 import os
 import re
-import subprocess
 
-import requests
+from actions.utils import Action
 
 # Matches: `uses: owner/repo@ref` or `uses: owner/repo/path@ref` with optional `# comment`
 USES_PATTERN = re.compile(
@@ -55,14 +53,13 @@ def ref_version(ref, comment=""):
     return ref
 
 
-def get_latest_release(action, token, cache):
+def get_latest_release(action, client, cache):
     """Get latest release tag and its commit SHA for an action, using cache."""
     repo = "/".join(action.split("/")[:2])
     if repo in cache:
         return cache[repo]
 
-    headers = {"Authorization": f"Bearer {token}", "Accept": "application/vnd.github+json"}
-    r = requests.get(f"https://api.github.com/repos/{repo}/releases/latest", headers=headers)
+    r = client.get(f"https://api.github.com/repos/{repo}/releases/latest")
     if r.status_code != 200:
         print(f"  Could not resolve latest version for {repo}")
         return None
@@ -73,11 +70,11 @@ def get_latest_release(action, token, cache):
 
     # Resolve tag to commit SHA (handles annotated tags)
     sha = None
-    r2 = requests.get(f"https://api.github.com/repos/{repo}/git/ref/tags/{tag}", headers=headers)
+    r2 = client.get(f"https://api.github.com/repos/{repo}/git/ref/tags/{tag}")
     if r2.status_code == 200:
         obj = r2.json().get("object", {})
         if obj.get("type") == "tag":
-            r3 = requests.get(obj["url"], headers=headers)
+            r3 = client.get(obj["url"])
             sha = r3.json().get("object", {}).get("sha") if r3.status_code == 200 else None
         else:
             sha = obj.get("sha")
@@ -87,7 +84,7 @@ def get_latest_release(action, token, cache):
     major_tag = f"{major_match.group(1)}{major_match.group(2)}" if major_match else None
     has_major_tag = False
     if major_tag and major_tag != tag:
-        r3 = requests.get(f"https://api.github.com/repos/{repo}/git/ref/tags/{major_tag}", headers=headers)
+        r3 = client.get(f"https://api.github.com/repos/{repo}/git/ref/tags/{major_tag}")
         has_major_tag = r3.status_code == 200
 
     cache[repo] = {"tag": tag, "sha": sha, "major_tag": major_tag if major_tag == tag or has_major_tag else None}
@@ -128,29 +125,28 @@ def compute_update(current_ref, comment, latest):
     return None
 
 
-def get_workflow_files(org, repo, token):
+def get_workflow_files(org, repo, client):
     """Fetch workflow file paths and action.yml from a repo using the GitHub API."""
-    headers = {"Authorization": f"Bearer {token}", "Accept": "application/vnd.github+json"}
     files = []
 
-    r = requests.get(f"https://api.github.com/repos/{org}/{repo}/contents/.github/workflows", headers=headers)
+    r = client.get(f"https://api.github.com/repos/{org}/{repo}/contents/.github/workflows")
     if r.status_code == 200:
         files.extend(
             f["path"] for f in r.json() if isinstance(f, dict) and f.get("name", "").endswith((".yml", ".yaml"))
         )
 
     for name in ("action.yml", "action.yaml"):
-        r = requests.get(f"https://api.github.com/repos/{org}/{repo}/contents/{name}", headers=headers)
+        r = client.get(f"https://api.github.com/repos/{org}/{repo}/contents/{name}")
         if r.status_code == 200:
             files.append(name)
 
     return files
 
 
-def get_file_content(org, repo, path, token):
+def get_file_content(org, repo, path, client):
     """Fetch raw file content from a repo."""
-    headers = {"Authorization": f"Bearer {token}", "Accept": "application/vnd.github.v3.raw"}
-    r = requests.get(f"https://api.github.com/repos/{org}/{repo}/contents/{path}", headers=headers)
+    headers = {**client.headers, "Accept": "application/vnd.github.v3.raw"}
+    r = client.get(f"https://api.github.com/repos/{org}/{repo}/contents/{path}", headers=headers)
     return r.text if r.status_code == 200 else None
 
 
@@ -173,37 +169,29 @@ def title_exists(open_titles, action, new_ref, new_comment, old_versions):
     return any(pattern.fullmatch(title) for title in open_titles)
 
 
-def get_open_pr_titles(org, repo):
-    """Get titles of all open PRs in a repo using gh CLI."""
-    result = subprocess.run(
-        ["gh", "pr", "list", "--repo", f"{org}/{repo}", "--state", "open", "--json", "title", "--limit", "100"],
-        capture_output=True,
-        text=True,
-        check=False,
-    )
-    if result.returncode != 0:
-        return set()
-    return {pr["title"] for pr in json.loads(result.stdout)}
+def get_open_pr_titles(org, repo, client):
+    """Get titles of all open PRs in a repo."""
+    prs = client.paginate(f"https://api.github.com/repos/{org}/{repo}/pulls", params={"state": "open"}, hard=True)
+    return {pr["title"] for pr in prs}
 
 
-def create_pr(org, repo, title, file_updates, token):
+def create_pr(org, repo, title, file_updates, client):
     """Create a PR with a single commit updating one or more files using the Git Data API."""
-    headers = {"Authorization": f"Bearer {token}", "Accept": "application/vnd.github+json"}
     api = f"https://api.github.com/repos/{org}/{repo}"
 
     # Get default branch and its HEAD commit SHA
-    r = requests.get(api, headers=headers)
+    r = client.get(api)
     if r.status_code != 200:
         return None
     default_branch = r.json()["default_branch"]
 
-    r = requests.get(f"{api}/git/ref/heads/{default_branch}", headers=headers)
+    r = client.get(f"{api}/git/ref/heads/{default_branch}")
     if r.status_code != 200:
         return None
     base_sha = r.json()["object"]["sha"]
 
     # Get base tree SHA
-    r = requests.get(f"{api}/git/commits/{base_sha}", headers=headers)
+    r = client.get(f"{api}/git/commits/{base_sha}")
     if r.status_code != 200:
         return None
     base_tree_sha = r.json()["tree"]["sha"]
@@ -211,23 +199,22 @@ def create_pr(org, repo, title, file_updates, token):
     # Create blobs for each file and build tree entries
     tree_entries = []
     for path, content in file_updates:
-        r = requests.post(f"{api}/git/blobs", headers=headers, json={"content": content, "encoding": "utf-8"})
+        r = client.post(f"{api}/git/blobs", json={"content": content, "encoding": "utf-8"})
         if r.status_code not in (200, 201):
             print(f"    Failed to create blob for {path}, aborting PR")
             return None
         tree_entries.append({"path": path, "mode": "100644", "type": "blob", "sha": r.json()["sha"]})
 
     # Create tree
-    r = requests.post(f"{api}/git/trees", headers=headers, json={"base_tree": base_tree_sha, "tree": tree_entries})
+    r = client.post(f"{api}/git/trees", json={"base_tree": base_tree_sha, "tree": tree_entries})
     if r.status_code not in (200, 201):
         print(f"    Failed to create tree: {r.json().get('message', '')}")
         return None
     tree_sha = r.json()["sha"]
 
     # Create single commit
-    r = requests.post(
+    r = client.post(
         f"{api}/git/commits",
-        headers=headers,
         json={"message": title, "tree": tree_sha, "parents": [base_sha]},
     )
     if r.status_code not in (200, 201):
@@ -238,15 +225,14 @@ def create_pr(org, repo, title, file_updates, token):
     # Create branch pointing to the commit
     slug = re.sub(r"[^a-zA-Z0-9]+", "-", title).strip("-").lower()[:60]
     branch = f"dependabot/github_actions/{slug}"
-    r = requests.post(f"{api}/git/refs", headers=headers, json={"ref": f"refs/heads/{branch}", "sha": commit_sha})
+    r = client.post(f"{api}/git/refs", json={"ref": f"refs/heads/{branch}", "sha": commit_sha})
     if r.status_code not in (200, 201):
         print(f"    Failed to create branch: {r.json().get('message', '')}")
         return None
 
     # Create PR
-    r = requests.post(
+    r = client.post(
         f"{api}/pulls",
-        headers=headers,
         json={
             "title": title,
             "body": (
@@ -277,6 +263,7 @@ def run():
     if not token:
         print("Error: GH_TOKEN or GITHUB_TOKEN required")
         return
+    client = Action(token=token, event_data={}, verbose=False)
 
     # Build visibility filter from env vars (all on by default)
     visibility = {v for v in ("public", "private", "internal") if os.getenv(v.upper(), "true").lower() == "true"}
@@ -284,15 +271,8 @@ def run():
         visibility = {"public", "private", "internal"}
     print(f"🔍 Scanning {', '.join(sorted(visibility))} repos in {org} for outdated GitHub Actions...")
 
-    result = subprocess.run(
-        ["gh", "repo", "list", org, "--limit", "1000", "--json", "name,isArchived,visibility"],
-        capture_output=True,
-        text=True,
-        check=True,
-    )
-    repos = sorted(
-        r["name"] for r in json.loads(result.stdout) if not r["isArchived"] and r["visibility"].lower() in visibility
-    )
+    org_repos = client.paginate(f"https://api.github.com/orgs/{org}/repos", params={"type": "all"}, hard=True)
+    repos = sorted(r["name"] for r in org_repos if not r["archived"] and r["visibility"].lower() in visibility)
     print(f"Found {len(repos)} active repos\n")
 
     cache = {}
@@ -303,7 +283,7 @@ def run():
     for repo_name in repos:
         print(f"📦 {org}/{repo_name}")
 
-        workflow_files = get_workflow_files(org, repo_name, token)
+        workflow_files = get_workflow_files(org, repo_name, client)
         if not workflow_files:
             print("  No workflow files found")
             continue
@@ -314,7 +294,7 @@ def run():
         file_cache = {}  # path -> original content
 
         for path in workflow_files:
-            content = get_file_content(org, repo_name, path, token)
+            content = get_file_content(org, repo_name, path, client)
             if not content:
                 continue
             file_cache[path] = content
@@ -327,7 +307,7 @@ def run():
                 if is_branch(ref):
                     continue
 
-                latest = get_latest_release(action, token, cache)
+                latest = get_latest_release(action, client, cache)
                 update = compute_update(ref, comment, latest)
                 if update is None:
                     continue
@@ -351,7 +331,7 @@ def run():
             continue
 
         # Phase 2: create one PR per action update
-        open_titles = get_open_pr_titles(org, repo_name)
+        open_titles = get_open_pr_titles(org, repo_name, client)
 
         for (action_repo, new_ref), info in updates.items():
             title = make_pr_title(action_repo, new_ref, info["new_comment"], info["old_versions"])
@@ -371,7 +351,7 @@ def run():
                 file_updates[path] = content[:start] + new_line + content[end:]
                 print(f"  {path}: {action} -> {nref}{ncomment}")
 
-            pr_url = create_pr(org, repo_name, title, list(file_updates.items()), token)
+            pr_url = create_pr(org, repo_name, title, list(file_updates.items()), client)
             if pr_url:
                 print(f"    ✅ Created PR: {pr_url}")
                 summary.append(f"- ✅ [{org}/{repo_name}]({pr_url}): {title}")
diff --git a/actions/utils/github_utils.py b/actions/utils/github_utils.py
index f4f95df..15d6c8c 100644
--- a/actions/utils/github_utils.py
+++ b/actions/utils/github_utils.py
@@ -121,7 +121,9 @@ class Action:
         """Initializes a GitHub Actions API handler with token and event data for processing events."""
         self.token = token or os.getenv("GITHUB_TOKEN")
         self.event_name = event_name or os.getenv("GITHUB_EVENT_NAME")
-        self.event_data = event_data or self._load_event_data(os.getenv("GITHUB_EVENT_PATH"))
+        self.event_data = (
+            event_data if event_data is not None else self._load_event_data(os.getenv("GITHUB_EVENT_PATH"))
+        )
         self.pr = self.event_data.get("pull_request", {})
         self.repository = self.event_data.get("repository", {}).get("full_name")
         self.owner, self.repo_name = self.repository.split("/") if self.repository else (None, None)
@@ -152,6 +154,7 @@ class Action:
 
     def _request(self, method: str, url: str, headers=None, expected_status=None, hard=False, **kwargs):
         """Unified request handler with error checking."""
+        kwargs.setdefault("timeout", (10, 60))
         r = getattr(self.session, method)(url, headers=headers or self.headers, **kwargs)
         expected = expected_status or self._default_status[method]
         status_expected = r.status_code in expected