diff --git a/core/network_utils.py b/core/network_utils.py
index 9b4f417..9fa68c3 100644
--- a/core/network_utils.py
+++ b/core/network_utils.py
@@ -199,3 +199,89 @@ def request_public_url(
         current_headers = next_headers
 
     raise UnsafeUrlError("The download URL has too many redirects")
+
+
+def request_source_response(
+    url: str,
+    method: str = "GET",
+    headers: Optional[Dict[str, str]] = None,
+    params: Optional[Dict[str, Any]] = None,
+    timeout: int = 20,
+    max_attempts: int = 2,
+    log_name: str = "Source API",
+) -> Optional[requests.Response]:
+    """Perform a GET/POST request with retry logic for rate limit status (HTTP 429)."""
+    import time
+    from .log_system import create_module_logger
+    log = create_module_logger(__name__)
+
+    request_params = {k: v for k, v in (params or {}).items() if v is not None}
+    response = None
+
+    for attempt in range(max_attempts):
+        try:
+            if method.upper() == "POST":
+                response = requests.post(url, json=request_params, headers=headers, timeout=timeout)
+            else:
+                response = requests.get(url, params=request_params, headers=headers, timeout=timeout)
+        except Exception as e:
+            log.warning(f"{log_name} request failed: url={url}, error={e}")
+            return None
+
+        if response.status_code != 429 or attempt == max_attempts - 1:
+            break
+
+        retry_after = response.headers.get("Retry-After")
+        try:
+            delay = float(retry_after) if retry_after else 1.2
+        except (TypeError, ValueError):
+            delay = 1.2
+        time.sleep(max(0.5, min(delay, 3.0)))
+
+    return response
+
+
+def request_source_json(
+    url: str,
+    method: str = "GET",
+    headers: Optional[Dict[str, str]] = None,
+    params: Optional[Dict[str, Any]] = None,
+    timeout: int = 20,
+    max_attempts: int = 2,
+    log_name: str = "Source API",
+    raise_on_error: bool = False,
+) -> Optional[Dict[str, Any]]:
+    """Perform a GET/POST request and return JSON with retry logic for HTTP 429."""
+    response = request_source_response(
+        url,
+        method=method,
+        headers=headers,
+        params=params,
+        timeout=timeout,
+        max_attempts=max_attempts,
+        log_name=log_name,
+    )
+    if response is None:
+        if raise_on_error:
+            raise ValueError(f"{log_name} request failed: no response")
+        return None
+
+    if response.status_code != 200:
+        from .log_system import create_module_logger
+        log = create_module_logger(__name__)
+        log.debug(f"{log_name} returned HTTP {response.status_code}: url={url}")
+        if raise_on_error:
+            response.raise_for_status()
+        return None
+
+    try:
+        return response.json()
+    except Exception as e:
+        from .log_system import create_module_logger
+        log = create_module_logger(__name__)
+        log.warning(f"{log_name} JSON parse failed: url={url}, error={e}")
+        if raise_on_error:
+            raise
+        return None
+
+
diff --git a/core/path_templates.py b/core/path_templates.py
index f814fdb..09902f7 100644
--- a/core/path_templates.py
+++ b/core/path_templates.py
@@ -64,11 +64,8 @@ def _base_model_token_variants(value: Any) -> List[str]:
 
 
 def _split_relative_folder_segments(relative_path: Any) -> List[str]:
-    parts = [
-        part.strip()
-        for part in str(relative_path or "").replace("\\", "/").split("/")
-        if part.strip()
-    ]
+    from .path_utils import split_path_segments
+    parts = split_path_segments(relative_path)
     return parts[:-1] if len(parts) > 1 else []
 
 
diff --git a/core/path_utils.py b/core/path_utils.py
index 178f9ac..c0cb9f6 100644
--- a/core/path_utils.py
+++ b/core/path_utils.py
@@ -1079,3 +1079,22 @@ def find_metadata_sidecar_path(model_path: str) -> str:
                 return path
 
     return ""
+
+
+def split_path_segments(path_value: Any, filter_dots: bool = True) -> list[str]:
+    """Split path into standard segments, replacing backslashes and filtering empty segments."""
+    text = str(path_value or "").replace("\\", "/").strip()
+    if not text:
+        return []
+    
+    parts = []
+    for raw_part in text.split("/"):
+        part = raw_part.strip()
+        if not part:
+            continue
+        if filter_dots and part in {".", ".."}:
+            continue
+        parts.append(part)
+        
+    return parts
+
diff --git a/core/settings.py b/core/settings.py
index abd21f2..e0429b1 100644
--- a/core/settings.py
+++ b/core/settings.py
@@ -85,28 +85,14 @@ def sanitize_folder_name(value: Any, fallback: str = "") -> str:
 
 
 def normalize_relative_subfolder(path_value: Any) -> str:
-    text = str(path_value or "").replace("\\", "/").strip()
-    if not text:
-        return ""
-    parts = []
-    for raw_part in text.split("/"):
-        part = sanitize_folder_name(raw_part)
-        if part and part not in {".", ".."}:
-            parts.append(part)
-    return "/".join(parts)
+    from .path_utils import split_path_segments
+    parts = [sanitize_folder_name(part) for part in split_path_segments(path_value)]
+    return "/".join([part for part in parts if part])
 
 
 def normalize_download_path_template(template: Any) -> str:
-    text = str(template or "").replace("\\", "/").strip()
-    if not text:
-        return ""
-    parts = []
-    for raw_part in text.split("/"):
-        part = raw_part.strip()
-        if not part or part in {".", ".."}:
-            continue
-        parts.append(part)
-    return "/".join(parts)
+    from .path_utils import split_path_segments
+    return "/".join(split_path_segments(template))
 
 
 def _read_settings_file() -> Dict[str, Any]:
diff --git a/core/sources/civarchive.py b/core/sources/civarchive.py
index 123a869..d8f7b7e 100644
--- a/core/sources/civarchive.py
+++ b/core/sources/civarchive.py
@@ -43,6 +43,7 @@ from ..type_utils import (
     extract_file_size,
     normalize_model_file_info,
     build_search_result,
+    normalize_sha256,
 )
 from ..progress import report_progress, get_progress_reporter
 from ..log_system import create_module_logger
@@ -125,43 +126,16 @@ def _request_json(
     params: Optional[Dict[str, Any]] = None,
     timeout: int = 20,
 ) -> Optional[Dict[str, Any]]:
+    from ..network_utils import request_source_json
     url = f"{CIVARCHIVE_API_URL}{path}"
-    response = None
-    request_params = {k: v for k, v in (params or {}).items() if v is not None}
-    for attempt in range(2):
-        try:
-            response = requests.get(
-                url,
-                params=request_params,
-                headers=REQUEST_HEADERS,
-                timeout=timeout,
-            )
-        except Exception as e:
-            log.warning(f"CivArchive API request failed: path={path}, error={e}")
-            return None
+    return request_source_json(
+        url,
+        params=params,
+        headers=REQUEST_HEADERS,
+        timeout=timeout,
+        log_name="CivArchive API"
+    )
 
-        if response.status_code != 429 or attempt == 1:
-            break
-
-        retry_after = response.headers.get("Retry-After")
-        try:
-            delay = float(retry_after) if retry_after else 1.2
-        except (TypeError, ValueError):
-            delay = 1.2
-        time.sleep(max(0.5, min(delay, 3.0)))
-
-    if response is None or response.status_code != 200:
-        status = response.status_code if response is not None else "no-response"
-        log.debug(
-            f"CivArchive API returned {status}: path={path}, params={params}"
-        )
-        return None
-
-    try:
-        return response.json()
-    except Exception as e:
-        log.warning(f"CivArchive API JSON parse failed: path={path}, error={e}")
-        return None
 
 
 def _normalize_embedded_html_text(html_text: str) -> str:
@@ -478,30 +452,24 @@ def _search_page(
 
 def parse_civarchive_url(url: str) -> Optional[Dict[str, Any]]:
     """Parse CivArchive URLs into sha256 or model/version identifiers."""
+    from ..type_utils import parse_provider_model_url
     if not url:
         return None
-
-    parsed = urlparse(urljoin(CIVARCHIVE_BASE_URL, url))
-    if parsed.hostname and not host_matches_domain(parsed.hostname, "civarchive.com"):
-        return None
-
-    sha_match = re.search(r"/sha256/([a-fA-F0-9]{64})", parsed.path)
-    if sha_match:
-        return {"sha256": sha_match.group(1).lower()}
-
-    return parse_civitai_model_path(parsed.path, parsed.query)
+    full_url = urljoin(CIVARCHIVE_BASE_URL, url)
+    return parse_provider_model_url(full_url, ["civarchive.com"])
 
 
 def _extract_sha256(value: str) -> Optional[str]:
     if not value:
         return None
-    direct = re.fullmatch(r"[a-fA-F0-9]{64}", value.strip())
-    if direct:
-        return direct.group(0).lower()
+    normalized = normalize_sha256(value)
+    if normalized:
+        return normalized
     parsed = parse_civarchive_url(value)
     return parsed.get("sha256") if parsed else None
 
 
+
 def _extract_model_context(
     payload: Dict[str, Any],
 ) -> Tuple[Dict[str, Any], Dict[str, Any], List[Dict[str, Any]]]:
diff --git a/core/sources/civitai.py b/core/sources/civitai.py
index 0fb7535..2ec7af6 100644
--- a/core/sources/civitai.py
+++ b/core/sources/civitai.py
@@ -9,6 +9,7 @@ import re
 import json
 import hashlib
 import requests
+from ..network_utils import request_source_response, request_source_json
 from typing import Dict, Any, Optional, List, Callable
 from urllib.parse import urlparse, parse_qs, quote, urlencode
 
@@ -445,10 +446,9 @@ def _search_civitai_trpc_candidates(
             f"CivitAI tRPC search start: filename={filename}, model_type={model_type}, type_filter={type_filter or 'none'}, session_token={'yes' if session_token else 'no'}, url={url}"
         )
 
-        try:
-            response = requests.get(url, headers=headers, timeout=timeout)
-        except Exception as e:
-            log.warning(f"CivitAI tRPC request failed for filename={filename}: {e}")
+        response = request_source_response(url, headers=headers, timeout=timeout, log_name="CivitAI tRPC")
+        if response is None:
+            log.warning(f"CivitAI tRPC request failed for filename={filename}: no response")
             return []
 
         text_preview = response.text[:800].replace("\n", " ").replace("\r", " ")
@@ -497,12 +497,13 @@ def _search_civitai_red_candidates(
         headers["Cookie"] = build_civitai_session_cookie(session_token)
     log.info(f"CivitAI.red search start: filename={filename}, url={search_url}")
 
-    response = requests.get(search_url, headers=headers, timeout=timeout)
-    if response.status_code != 200:
-        if response.status_code in {401, 403}:
+    response = request_source_response(search_url, headers=headers, timeout=timeout, log_name="CivitAI.red")
+    if response is None or response.status_code != 200:
+        if response is not None and response.status_code in {401, 403}:
             return []
+        status = response.status_code if response is not None else "no-response"
         log.warning(
-            f"CivitAI.red search returned {response.status_code} for filename={filename}"
+            f"CivitAI.red search returned {status} for filename={filename}"
         )
         return []
 
@@ -582,15 +583,15 @@ def _search_civitai_public_api_candidates(
         f"CivitAI public API search start: filename={filename}, model_type={model_type}, api_key={'yes' if api_key else 'no'}, session_token={'yes' if session_token else 'no'}"
     )
 
-    try:
-        response = requests.get(
-            f"{CIVITAI_API_URL}/models",
-            params=params,
-            headers=headers,
-            timeout=timeout,
-        )
-    except Exception as e:
-        log.warning(f"CivitAI public API request failed for filename={filename}: {e}")
+    response = request_source_response(
+        f"{CIVITAI_API_URL}/models",
+        params=params,
+        headers=headers,
+        timeout=timeout,
+        log_name="CivitAI public API"
+    )
+    if response is None:
+        log.warning(f"CivitAI public API request failed for filename={filename}: no response")
         return []
 
     text_preview = response.text[:800].replace("\n", " ").replace("\r", " ")
@@ -686,19 +687,15 @@ def _find_civitai_file_in_model(
 
     best_resolved_result = None
     best_resolved_confidence = 0.0
-
     headers = {}
     if api_key:
         headers["Authorization"] = f"Bearer {api_key}"
 
-    response = requests.get(
-        f"{CIVITAI_API_URL}/models/{model_id}", headers=headers, timeout=15
+    data = request_source_json(
+        f"{CIVITAI_API_URL}/models/{model_id}", headers=headers, timeout=15, log_name="CivitAI model lookup"
     )
-    if response.status_code != 200:
-        log.warning(f"CivitAI model lookup returned {response.status_code} for model_id={model_id}")
+    if data is None:
         return None
-
-    data = response.json()
     versions = data.get("modelVersions", [])
 
     if allow_model_title_match:
@@ -796,18 +793,8 @@ def parse_civitai_url(url: str) -> Optional[Dict[str, Any]]:
     """
     Parse a CivitAI URL to extract model/version info.
     """
-    if not isinstance(url, str) or not url.strip():
-        return None
-    parsed = urlparse(url)
-    if not _is_civitai_host(parsed.hostname):
-        return None
-
-    if "/api/download/models/" in parsed.path:
-        match = re.search(r"/api/download/models/(\d+)", parsed.path)
-        if match:
-            return {"version_id": int(match.group(1))}
-
-    return parse_civitai_model_path(parsed.path, parsed.query)
+    from ..type_utils import parse_provider_model_url
+    return parse_provider_model_url(url, ["civitai.com", "civitai.red"])
 
 
 def get_civitai_download_url(version_id: int, api_key: Optional[str] = None) -> str:
@@ -1085,12 +1072,11 @@ def search_civitai(
         if api_key:
             headers["Authorization"] = f"Bearer {api_key}"
 
-        response = requests.get(
-            f"{CIVITAI_API_URL}/models", params=params, headers=headers, timeout=15
+        data = request_source_json(
+            f"{CIVITAI_API_URL}/models", params=params, headers=headers, timeout=15, log_name="CivitAI search models"
         )
 
-        if response.status_code == 200:
-            data = response.json()
+        if data:
 
             for model in data.get("items", []):
                 model_id = model.get("id")
@@ -1174,10 +1160,11 @@ def get_civitai_model_details(
     if api_key:
         headers["Authorization"] = f"Bearer {api_key}"
 
-    response = requests.get(
+    response = request_source_response(
         f"{CIVITAI_API_URL}/models/{model_id}",
         headers=headers,
         timeout=20,
+        log_name="CivitAI model details"
     )
     if response.status_code != 200:
         log.warning(f"CivitAI model details returned {response.status_code}: model_id={model_id}")
@@ -1332,7 +1319,7 @@ def resolve_urn(
         url = f"{CIVITAI_API_URL}/models/{model_id}"
         params = {"modelVersionId": version_id}
 
-        response = requests.get(url, headers=headers, params=params, timeout=15)
+        response = request_source_response(url, headers=headers, params=params, timeout=15, log_name="CivitAI URN resolve")
 
         if response.status_code != 200:
             log.warning(f"CivitAI URN resolve failed: {response.status_code}")
@@ -1443,7 +1430,7 @@ def get_model_info_by_hash(
         if api_key:
             headers["Authorization"] = f"Bearer {api_key}"
 
-        response = requests.get(api_url, headers=headers, timeout=15)
+        response = request_source_response(api_url, headers=headers, timeout=15, log_name="CivitAI by-hash")
 
         if response.status_code == 200:
             data = response.json()
diff --git a/core/sources/huggingface.py b/core/sources/huggingface.py
index 0d1e019..27d51e0 100644
--- a/core/sources/huggingface.py
+++ b/core/sources/huggingface.py
@@ -18,7 +18,7 @@ from ..log_system import create_module_logger
 log = create_module_logger(__name__)
 
 from ..path_utils import write_json_atomic, METADATA_DIR, read_json_safe
-from ..network_utils import host_matches_domain
+from ..network_utils import host_matches_domain, request_source_response, request_source_json
 from ..type_utils import check_credential_http, parse_size_header as _parse_size_header, fetch_remote_file_size, fetch_remote_file_size_cached, clear_remote_size_cache, extract_file_size
 from ..matcher import build_filename_search_queries, clean_filename_for_search
 
@@ -188,11 +188,12 @@ def _build_author_index_from_models(
 
 def _fetch_author_index(author: str, headers: Dict[str, str], limit: int = 200):
     try:
-        response = requests.get(
+        response = request_source_response(
             f"{HF_API_URL}/models",
             params={"author": author, "limit": limit, "full": "true"},
             headers=headers,
             timeout=15,
+            log_name="HuggingFace author index"
         )
         if response.status_code != 200:
             log.debug(
@@ -389,11 +390,12 @@ def _get_repo_tree(
     files_url = f"{HF_API_URL}/models/{repo_id}/tree/{quote(branch, safe='')}"
 
     try:
-        response = requests.get(
+        response = request_source_response(
             files_url,
             params={"recursive": "1"},
             headers=headers,
             timeout=15,
+            log_name="HuggingFace tree"
         )
         if response.status_code != 200:
             log.debug(
@@ -528,11 +530,12 @@ def _get_repos_by_author(
     author: str, headers: Dict[str, str], limit: int = 200
 ) -> List[str]:
     try:
-        response = requests.get(
+        response = request_source_response(
             f"{HF_API_URL}/models",
             params={"author": author, "limit": limit},
             headers=headers,
             timeout=15,
+            log_name="HuggingFace repos by author"
         )
         if response.status_code != 200:
             log.debug(
@@ -569,8 +572,8 @@ def _search_brave_for_huggingface_candidates(
     seen = set()
 
     try:
-        response = requests.get(
-            BRAVE_SEARCH_API_URL, headers=headers, params=params, timeout=15
+        response = request_source_response(
+            BRAVE_SEARCH_API_URL, headers=headers, params=params, timeout=15, log_name="Brave search"
         )
         if response.status_code != 200:
             log.warning(
@@ -689,7 +692,7 @@ def search_huggingface_for_file(
                     query_count=total_queries,
                 )
                 search_url = f"{HF_API_URL}/models?search={quote(search_query)}&limit=20"
-                response = requests.get(search_url, headers=headers, timeout=10)
+                response = request_source_response(search_url, headers=headers, timeout=10, log_name="HuggingFace models search")
                 if response.status_code != 200:
                     log.warning(
                         f"HuggingFace API status={response.status_code} query={search_query}"
@@ -969,12 +972,12 @@ def search_huggingface(
 
         params = {"search": query, "limit": limit, "full": "true"}
 
-        response = requests.get(
-            f"{HF_API_URL}/models", params=params, headers=headers, timeout=15
+        data = request_source_json(
+            f"{HF_API_URL}/models", params=params, headers=headers, timeout=15, log_name="HuggingFace general search"
         )
 
-        if response.status_code == 200:
-            models = response.json()
+        if data:
+            models = data
 
             for model in models:
                 repo_id = model.get("id", "")
diff --git a/core/sources/model_list.py b/core/sources/model_list.py
index 080f90b..794c37d 100644
--- a/core/sources/model_list.py
+++ b/core/sources/model_list.py
@@ -27,6 +27,7 @@ MODEL_LIST_SOURCE_URL = (
 MODEL_LIST_GITHUB_API_URL = (
     "https://api.github.com/repos/Comfy-Org/ComfyUI-Manager/contents/model-list.json?ref=main"
 )
+from ..network_utils import request_source_json
 HTTP_TIMEOUT = 30
 
 # Cache for loaded data
@@ -42,9 +43,14 @@ def _fetch_json_url(url: str) -> Dict[str, Any]:
         "Accept": "application/json",
         "User-Agent": "comfyui-model-resolver",
     }
-    response = requests.get(url, headers=headers, timeout=HTTP_TIMEOUT)
-    response.raise_for_status()
-    return response.json()
+    return request_source_json(
+        url,
+        headers=headers,
+        timeout=HTTP_TIMEOUT,
+        log_name="ModelList",
+        raise_on_error=True,
+    )
+
 
 
 
diff --git a/core/type_utils.py b/core/type_utils.py
index 1caee5e..d647017 100644
--- a/core/type_utils.py
+++ b/core/type_utils.py
@@ -1072,3 +1072,38 @@ def build_search_result(
     }
     result.update(extra)
     return result
+
+
+def parse_provider_model_url(url: str, allowed_domains: list[str]) -> Optional[Dict[str, Any]]:
+    """Parse a provider model URL (e.g. CivitAI or mirror site) to extract model/version info."""
+    from urllib.parse import urlparse
+    import re
+    
+    if not isinstance(url, str) or not url.strip():
+        return None
+        
+    parsed = urlparse(url)
+    hostname = parsed.hostname
+    if hostname:
+        hostname = hostname.lower().strip(".")
+        matched = False
+        for domain in allowed_domains:
+            if hostname == domain or hostname.endswith("." + domain):
+                matched = True
+                break
+        if not matched:
+            return None
+            
+    # Standard CivArchive sha256 mirrors pattern
+    sha_match = re.search(r"/sha256/([a-fA-F0-9]{64})", parsed.path)
+    if sha_match:
+        return {"sha256": sha_match.group(1).lower()}
+
+    # Standard CivitAI download pattern
+    if "/api/download/models/" in parsed.path:
+        match = re.search(r"/api/download/models/(\d+)", parsed.path)
+        if match:
+            return {"version_id": int(match.group(1))}
+            
+    return parse_civitai_model_path(parsed.path, parsed.query)
+
diff --git a/requirements.txt b/requirements.txt
index 8b13721..069b09a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 requests
 aiohttp
 rapidfuzz
+huggingface-hub
\ No newline at end of file
diff --git a/tests/test_unified_helpers.py b/tests/test_unified_helpers.py
index 1d67272..35d18e8 100644
--- a/tests/test_unified_helpers.py
+++ b/tests/test_unified_helpers.py
@@ -1128,3 +1128,64 @@ class UnifiedHelpersTests(unittest.TestCase):
             # Verify new data is written
             self.assertEqual(read_json_safe(data_file), new_data)
             self.assertEqual(read_json_safe(meta_file), new_meta)
+
+    @patch("requests.get")
+    def test_request_source_json_success(self, mock_get):
+        from core.network_utils import request_source_json
+        mock_response = MagicMock()
+        mock_response.status_code = 200
+        mock_response.json.return_value = {"success": True}
+        mock_get.return_value = mock_response
+
+        res = request_source_json("https://example.com/api")
+        self.assertEqual(res, {"success": True})
+
+    @patch("requests.get")
+    @patch("time.sleep")
+    def test_request_source_json_429_retry(self, mock_sleep, mock_get):
+        from core.network_utils import request_source_json
+        mock_response_429 = MagicMock()
+        mock_response_429.status_code = 429
+        mock_response_429.headers = {"Retry-After": "1.5"}
+
+        mock_response_200 = MagicMock()
+        mock_response_200.status_code = 200
+        mock_response_200.json.return_value = {"ok": True}
+
+        mock_get.side_effect = [mock_response_429, mock_response_200]
+
+        res = request_source_json("https://example.com/api", max_attempts=2)
+        self.assertEqual(res, {"ok": True})
+        mock_sleep.assert_called_once_with(1.5)
+
+    def test_split_path_segments(self):
+        from core.path_utils import split_path_segments
+        self.assertEqual(split_path_segments("a/b/c"), ["a", "b", "c"])
+        self.assertEqual(split_path_segments("a\\b\\c"), ["a", "b", "c"])
+        self.assertEqual(split_path_segments("a/./b/../c"), ["a", "b", "c"])
+        self.assertEqual(split_path_segments("a/./b/../c", filter_dots=False), ["a", ".", "b", "..", "c"])
+        self.assertEqual(split_path_segments(""), [])
+        self.assertEqual(split_path_segments(None), [])
+
+    def test_parse_provider_model_url(self):
+        from core.type_utils import parse_provider_model_url
+        allowed = ["civitai.com", "civitai.red"]
+        
+        # Valid url download format
+        res = parse_provider_model_url("https://civitai.com/api/download/models/12345", allowed)
+        self.assertEqual(res, {"version_id": 12345})
+        
+        # Valid model page format
+        res = parse_provider_model_url("https://civitai.red/models/9876?modelVersionId=54321", allowed)
+        self.assertEqual(res, {"model_id": 9876, "version_id": 54321})
+        
+        # Non-matching hostname
+        res = parse_provider_model_url("https://example.com/api/download/models/12345", allowed)
+        self.assertIsNone(res)
+        
+        # Mirror sha256 path pattern
+        res = parse_provider_model_url("https://civarchive.com/sha256/a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2", ["civarchive.com"])
+        self.assertEqual(res, {"sha256": "a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2"})
+
+
+
diff --git a/web/resolver/utils/html_utils.js b/web/resolver/utils/html_utils.js
index 11c513c..c9749c7 100644
--- a/web/resolver/utils/html_utils.js
+++ b/web/resolver/utils/html_utils.js
@@ -119,3 +119,43 @@ export function sanitizeDescriptionHtml(html) {
     Array.from(root.childNodes).forEach(child => sanitizeNode(child));
     return root.innerHTML;
 }
+
+/**
+ * Generic background task progress poller with token cancellation checks.
+ */
+export async function pollBackgroundTask({
+    endpoint,
+    tokenCheck,
+    onProgress,
+    isTerminal,
+    onTerminal,
+    onError,
+    intervalMs = 250,
+    fetchJson,
+    filterIgnoredStatus
+}) {
+    while (tokenCheck()) {
+        try {
+            const data = await fetchJson(endpoint, { silent: true }, 'Poll background task');
+            
+            if (filterIgnoredStatus && filterIgnoredStatus(data)) {
+                await new Promise(resolve => setTimeout(resolve, intervalMs));
+                continue;
+            }
+            
+            if (tokenCheck()) {
+                onProgress(data);
+                if (isTerminal(data)) {
+                    onTerminal(data);
+                    return;
+                }
+            }
+        } catch (error) {
+            if (tokenCheck()) {
+                onError(error);
+                return;
+            }
+        }
+        await new Promise(resolve => setTimeout(resolve, intervalMs));
+    }
+}
diff --git a/web/resolver/utils/render_format_methods.js b/web/resolver/utils/render_format_methods.js
index 84af6ab..323890c 100644
--- a/web/resolver/utils/render_format_methods.js
+++ b/web/resolver/utils/render_format_methods.js
@@ -2,7 +2,7 @@ import { app } from "../../../../../scripts/app.js";
 import { api } from "../../../../../scripts/api.js";
 import { $el } from "../../../../../scripts/ui.js";
 import { getSvgIcon } from "../../utils/icon_utils.js";
-import { escapeHtml, escapeJsString } from "./html_utils.js";
+import { escapeHtml, escapeJsString, pollBackgroundTask } from "./html_utils.js";
 
 export const renderFormatMethods = {
     encodeContextMenuModel(context = null) {
@@ -248,69 +248,54 @@ export const renderFormatMethods = {
     },
 
     async pollAnalysisProgress(analysisId, token) {
-        while (this._analysisProgressToken === token) {
-            try {
-                const progress = await this.fetchJson(`/model_resolver/analyze-progress/${analysisId}`, {
-                    silent: true
-                }, 'Poll analysis progress');
-                if (
-                    progress &&
-                    this.contentElement &&
-                    this._analysisProgressToken === token &&
-                    this.activeTab === 'missing'
-                ) {
+        await pollBackgroundTask({
+            endpoint: `/model_resolver/analyze-progress/${analysisId}`,
+            tokenCheck: () => this._analysisProgressToken === token,
+            onProgress: (progress) => {
+                if (this.contentElement && this.activeTab === 'missing') {
                     this.contentElement.innerHTML = this.renderAnalysisProgress(progress);
-                    if (progress.status === 'completed' || progress.status === 'error') {
-                        if (this._analysisProgressToken === token) {
-                            this._analysisProgressToken = null;
-                        }
-                        return;
-                    }
                 }
-            } catch (error) {
+            },
+            isTerminal: (progress) => progress.status === 'completed' || progress.status === 'error',
+            onTerminal: () => {
+                if (this._analysisProgressToken === token) {
+                    this._analysisProgressToken = null;
+                }
+            },
+            onError: (error) => {
                 console.warn('Model Resolver: analysis progress polling failed', error);
-            }
-
-            await new Promise(resolve => setTimeout(resolve, 250));
-        }
+            },
+            intervalMs: 250,
+            fetchJson: this.fetchJson.bind(this)
+        });
     },
 
     async pollLoadedModelsProgress(loadedId, token) {
-        while (this._loadedModelsProgressToken === token) {
-            try {
-                const progress = await this.fetchJson(`/model_resolver/loaded-progress/${encodeURIComponent(loadedId)}`, {
-                    silent: true
-                }, 'Poll loaded models progress');
-                if (progress?.status === 'unknown') {
-                    await new Promise(resolve => setTimeout(resolve, 250));
-                    continue;
-                }
-                if (
-                    progress &&
-                    this.contentElement &&
-                    this._loadedModelsProgressToken === token &&
-                    this.activeTab === 'loaded'
-                ) {
+        await pollBackgroundTask({
+            endpoint: `/model_resolver/loaded-progress/${encodeURIComponent(loadedId)}`,
+            tokenCheck: () => this._loadedModelsProgressToken === token,
+            filterIgnoredStatus: (progress) => progress?.status === 'unknown',
+            onProgress: (progress) => {
+                if (this.contentElement && this.activeTab === 'loaded') {
                     this.contentElement.innerHTML = this.renderLoadedModelsProgress(progress);
-                    if (progress.status === 'completed' || progress.status === 'error') {
-                        if (this._loadedModelsProgressToken === token) {
-                            this._loadedModelsProgressToken = null;
-                        }
-                        return;
-                    }
                 }
-            } catch (error) {
+            },
+            isTerminal: (progress) => progress.status === 'completed' || progress.status === 'error',
+            onTerminal: () => {
+                if (this._loadedModelsProgressToken === token) {
+                    this._loadedModelsProgressToken = null;
+                }
+            },
+            onError: (error) => {
                 console.warn('Model Resolver: loaded models progress polling failed', error);
-            }
-
-            await new Promise(resolve => setTimeout(resolve, 250));
-        }
+            },
+            intervalMs: 250,
+            fetchJson: this.fetchJson.bind(this)
+        });
     },
 
     /**
      * Get display information for the best local match of a missing model
-     * @param {object} missing - The missing model object
-     * @returns {object} Match display metadata
      */
     getLocalMatchDisplayInfo(missing) {
         const bestMatch = this.getBestLocalMatch?.(missing, 70) || null;
diff --git a/web/resolver/views/options_methods.js b/web/resolver/views/options_methods.js
index e082143..9b334c0 100644
--- a/web/resolver/views/options_methods.js
+++ b/web/resolver/views/options_methods.js
@@ -4,6 +4,7 @@ import { $el } from "../../../../../scripts/ui.js";
 import { getSvgIcon } from "../../utils/icon_utils.js";
 import { LOG_LEVEL as DEFAULT_FRONTEND_LOG_LEVEL } from "../../log_system/config.js";
 import { logger as frontendLogger } from "../../log_system/logger.js";
+import { pollBackgroundTask } from "../utils/html_utils.js";
 const SETTINGS_MAP = [
     { serverKey: 'civitai_key', localKey: 'ModelResolver.civitaiApiKey', type: 'string', default: '' },
     { serverKey: 'civitai_session_token', localKey: 'ModelResolver.civitaiSessionToken', type: 'string', default: '' },
@@ -2067,34 +2068,31 @@ export const optionsMethods = {
         const pollMetadataBuildProgress = async () => {
             const progressId = this.metadataBuildProgressId;
             if (!progressId) return;
-            try {
-                const data = await this.fetchJson(
-                    `/model_resolver/metadata-build/progress/${encodeURIComponent(progressId)}`,
-                    { silent: true },
-                    'Metadata build progress'
-                );
-                appendMetadataBuildHistory(data);
-                updateMetadataBuildSummary(data);
-                updateMetadataBuildProgressView(data);
-                renderMetadataBuildResults(data);
-                if (isMetadataBuildTerminal(data)) {
-                    stopMetadataBuildPolling();
+            stopMetadataBuildPolling();
+            await pollBackgroundTask({
+                endpoint: `/model_resolver/metadata-build/progress/${encodeURIComponent(progressId)}`,
+                tokenCheck: () => this.metadataBuildProgressId === progressId,
+                onProgress: (data) => {
+                    appendMetadataBuildHistory(data);
+                    updateMetadataBuildSummary(data);
+                    updateMetadataBuildProgressView(data);
+                    renderMetadataBuildResults(data);
+                },
+                isTerminal: (data) => isMetadataBuildTerminal(data),
+                onTerminal: (data) => {
                     finishMetadataBuild(data);
                     if (this.metadataBuildProgressId === progressId) {
                         this.metadataBuildProgressId = '';
                     }
-                    return;
-                }
-                stopMetadataBuildPolling();
-                this.metadataBuildPollTimer = window.setTimeout(() => {
-                    pollMetadataBuildProgress();
-                }, 700);
-            } catch (error) {
-                stopMetadataBuildPolling();
-                this.metadataBuildProgressId = '';
-                setMetadataBuildBusy(false);
-                setMetadataBuildStatus(error.message || 'Metadata build progress failed.', 'is-invalid');
-            }
+                },
+                onError: (error) => {
+                    this.metadataBuildProgressId = '';
+                    setMetadataBuildBusy(false);
+                    setMetadataBuildStatus(error.message || 'Metadata build progress failed.', 'is-invalid');
+                },
+                intervalMs: 700,
+                fetchJson: this.fetchJson.bind(this)
+            });
         };
 
         const runMetadataBuild = async () => {