refactor shared source URL detection

web/resolver/utils/source_labels.js

@@ -28,6 +28,16 @@ export function normalizeSourceKey(value, { trim = true } = {}) {
     return (trim ? text.trim() : text).toLowerCase().replace(/-/g, '_');
 }
 
+export function getSourceKeyFromText(value = '') {
+    const text = String(value || '').toLowerCase();
+    if (!text) return '';
+    if (text.includes('huggingface') || text.includes('hugging face')) return 'huggingface';
+    if (text.includes('civarchive') || text.includes('civ archive')) return 'civarchive';
+    if (text.includes('civitai') || text.includes('civitai.red')) return 'civitai';
+    if (text.includes('lora_manager_archive') || text.includes('lora archive')) return 'lora_manager_archive';
+    return '';
+}
+
 export function normalizeSourceList(sources = []) {
     return new Set(
         (Array.isArray(sources) ? sources : [sources])

web/resolver/utils/url_utils.js

@@ -2,6 +2,32 @@
  * URL Utilities for Model Resolver
  */
 
+import { getSourceKeyFromText } from './source_labels.js';
+
+/**
+ * Resolve a supported provider key from a URL host.
+ * @param {string} value
+ * @param {{fallbackToText?: boolean}} options
+ * @returns {string}
+ */
+export function getSourceKeyFromUrl(value, { fallbackToText = false } = {}) {
+    const url = String(value || '').trim();
+    if (!url) return '';
+
+    try {
+        const baseUrl = globalThis.location?.origin || 'http://localhost';
+        const parsed = new URL(url, baseUrl);
+        const host = parsed.hostname.toLowerCase().replace(/^www\./, '');
+        if (host === 'huggingface.co' || host.endsWith('.huggingface.co')) return 'huggingface';
+        if (host === 'civarchive.com' || host.endsWith('.civarchive.com')) return 'civarchive';
+        if (host === 'civitai.com' || host.endsWith('.civitai.com') || host === 'civitai.red' || host.endsWith('.civitai.red')) return 'civitai';
+    } catch {
+        // Preserve the caller's optional text fallback for malformed URLs.
+    }
+
+    return fallbackToText ? getSourceKeyFromText(url) : '';
+}
+
 /**
  * Parse a Hugging Face blob/resolve file URL into repository coordinates.
  * @param {string} value