fix(civitai): fallback image info hosts on request failure

locales/en.json

@@ -685,9 +685,9 @@
                 "title": "Import a recipe from image or URL",
                 "urlLocalPath": "URL / Local Path",
                 "uploadImage": "Upload Image",
-                "urlSectionDescription": "Input a Civitai image URL or local file path to import as a recipe.",
+                "urlSectionDescription": "Input a Civitai image URL from civitai.com or civitai.red, or a local file path, to import as a recipe.",
                 "imageUrlOrPath": "Image URL or File Path:",
-                "urlPlaceholder": "https://civitai.com/images/... or C:/path/to/image.png",
+                "urlPlaceholder": "https://civitai.com/images/... or https://civitai.red/images/... or C:/path/to/image.png",
                 "fetchImage": "Fetch Image",
                 "uploadSectionDescription": "Upload an image with LoRA metadata to import as a recipe.",
                 "selectImage": "Select Image",
@@ -1090,9 +1090,9 @@
             },
             "proceedText": "Only proceed if you're sure this is what you want.",
             "urlLabel": "Civitai Model URL:",
-            "urlPlaceholder": "https://civitai.com/models/649516/model-name?modelVersionId=726676",
+            "urlPlaceholder": "https://civitai.com/models/649516/model-name?modelVersionId=726676 or https://civitai.red/models/649516/model-name?modelVersionId=726676",
             "helpText": {
-                "title": "Paste any Civitai model URL. Supported formats:",
+                "title": "Paste any Civitai model URL from civitai.com or civitai.red. Supported formats:",
                 "format1": "https://civitai.com/models/649516",
                 "format2": "https://civitai.com/models/649516?modelVersionId=726676",
                 "format3": "https://civitai.com/models/649516/model-name?modelVersionId=726676",

locales/zh-CN.json

@@ -685,9 +685,9 @@
                 "title": "从图片或 URL 导入配方",
                 "urlLocalPath": "URL / 本地路径",
                 "uploadImage": "上传图片",
-                "urlSectionDescription": "输入 Civitai 图片 URL 或本地文件路径以导入为配方。",
+                "urlSectionDescription": "输入来自 civitai.com 或 civitai.red 的 Civitai 图片 URL，或本地文件路径以导入为配方。",
                 "imageUrlOrPath": "图片 URL 或文件路径：",
-                "urlPlaceholder": "https://civitai.com/images/... 或 C:/path/to/image.png",
+                "urlPlaceholder": "https://civitai.com/images/... 或 https://civitai.red/images/... 或 C:/path/to/image.png",
                 "fetchImage": "获取图片",
                 "uploadSectionDescription": "上传带有 LoRA 元数据的图片以导入为配方。",
                 "selectImage": "选择图片",
@@ -1090,9 +1090,9 @@
             },
             "proceedText": "仅在你确定需要此操作时继续。",
             "urlLabel": "Civitai 模型 URL：",
-            "urlPlaceholder": "https://civitai.com/models/649516/model-name?modelVersionId=726676",
+            "urlPlaceholder": "https://civitai.com/models/649516/model-name?modelVersionId=726676 或 https://civitai.red/models/649516/model-name?modelVersionId=726676",
             "helpText": {
-                "title": "粘贴任意 Civitai 模型 URL。支持格式：",
+                "title": "粘贴任意来自 civitai.com 或 civitai.red 的 Civitai 模型 URL。支持格式：",
                 "format1": "https://civitai.com/models/649516",
                 "format2": "https://civitai.com/models/649516?modelVersionId=726676",
                 "format3": "https://civitai.com/models/649516/model-name?modelVersionId=726676",

py/recipes/enrichment.py

@@ -1,11 +1,11 @@
 import logging
 import json
-import re
 import os
 from typing import Any, Dict, Optional
 from .merger import GenParamsMerger
 from .base import RecipeMetadataParser
 from ..services.metadata_service import get_default_metadata_provider
+from ..utils.civitai_utils import extract_civitai_image_id
 
 logger = logging.getLogger(__name__)
 
@@ -39,11 +39,12 @@ class RecipeEnricher:
         source_url = recipe.get("source_url") or recipe.get("source_path", "")
         
         # Check if it's a Civitai image URL
-        image_id_match = re.search(r'civitai\.com/images/(\d+)', str(source_url))
-        if image_id_match:
-            image_id = image_id_match.group(1)
+        image_id = extract_civitai_image_id(str(source_url))
+        if image_id:
             try:
-                image_info = await civitai_client.get_image_info(image_id)
+                image_info = await civitai_client.get_image_info(
+                    image_id, source_url=str(source_url)
+                )
                 if image_info:
                     # Handle nested meta often found in Civitai API responses
                     raw_meta = image_info.get("meta")

py/routes/handlers/recipe_handlers.py

@@ -26,7 +26,7 @@ from ...services.recipes import (
     RecipeValidationError,
 )
 from ...services.metadata_service import get_default_metadata_provider
-from ...utils.civitai_utils import rewrite_preview_url
+from ...utils.civitai_utils import extract_civitai_image_id, rewrite_preview_url
 from ...utils.exif_utils import ExifUtils
 from ...recipes.merger import GenParamsMerger
 from ...recipes.enrichment import RecipeEnricher
@@ -1196,13 +1196,15 @@ class RecipeManagementHandler:
                 temp_path = temp_file.name
             download_url = image_url
             image_info = None
-            civitai_match = re.match(r"https://civitai\.com/images/(\d+)", image_url)
-            if civitai_match:
+            civitai_image_id = extract_civitai_image_id(image_url)
+            if civitai_image_id:
                 if civitai_client is None:
                     raise RecipeDownloadError(
                         "Civitai client unavailable for image download"
                     )
-                image_info = await civitai_client.get_image_info(civitai_match.group(1))
+                image_info = await civitai_client.get_image_info(
+                    civitai_image_id, source_url=image_url
+                )
                 if not image_info:
                     raise RecipeDownloadError(
                         "Failed to fetch image information from Civitai"
@@ -1236,7 +1238,7 @@ class RecipeManagementHandler:
                 return (
                     file_obj.read(),
                     extension,
-                    image_info.get("meta") if civitai_match and image_info else None,
+                    image_info.get("meta") if civitai_image_id and image_info else None,
                 )
         except RecipeDownloadError:
             raise

py/services/civitai_client.py

@@ -9,7 +9,7 @@ from .model_metadata_provider import (
 )
 from .downloader import get_downloader
 from .errors import RateLimitError, ResourceNotFoundError
-from ..utils.civitai_utils import resolve_license_payload
+from ..utils.civitai_utils import extract_civitai_page_host, resolve_license_payload
 
 logger = logging.getLogger(__name__)
 
@@ -40,6 +40,23 @@ class CivitaiClient:
         self._initialized = True
 
         self.base_url = "https://civitai.com/api/v1"
+        self._image_info_api_hosts = ("civitai.com", "civitai.red")
+
+    def _build_image_info_url(self, host: str, image_id: str) -> str:
+        return f"https://{host}/api/v1/images?imageId={image_id}&nsfw=X"
+
+    def _resolve_image_info_hosts(self, source_url: str | None) -> List[str]:
+        preferred_host = extract_civitai_page_host(source_url)
+        if preferred_host in self._image_info_api_hosts:
+            return [
+                preferred_host,
+                *[
+                    host
+                    for host in self._image_info_api_hosts
+                    if host != preferred_host
+                ],
+            ]
+        return list(self._image_info_api_hosts)
 
     async def _make_request(
         self,
@@ -479,48 +496,106 @@ class CivitaiClient:
             logger.error(error_msg)
             return None, error_msg
 
-    async def get_image_info(self, image_id: str) -> Optional[Dict]:
+    async def get_image_info(
+        self, image_id: str, source_url: str | None = None
+    ) -> Optional[Dict]:
         """Fetch image information from Civitai API
 
         Args:
             image_id: The Civitai image ID
+            source_url: Optional original image page URL used to prioritize
+                ``civitai.com`` vs ``civitai.red`` image lookups.
 
         Returns:
             Optional[Dict]: The image data or None if not found
         """
         try:
-            url = f"{self.base_url}/images?imageId={image_id}&nsfw=X"
             requested_id = int(image_id)
+            candidate_hosts = self._resolve_image_info_hosts(source_url)
+            last_error: Any = None
+            logger.debug(
+                "Fetching image info for ID %s with host order %s",
+                image_id,
+                candidate_hosts,
+            )
 
-            logger.debug(f"Fetching image info for ID: {image_id}")
-            success, result = await self._make_request("GET", url, use_auth=True)
+            for index, host in enumerate(candidate_hosts):
+                url = self._build_image_info_url(host, image_id)
+                success, result = await self._make_request("GET", url, use_auth=True)
 
-            if success:
-                if result and "items" in result and isinstance(result["items"], list):
-                    items = result["items"]
+                if not success:
+                    last_error = result
+                    if index < len(candidate_hosts) - 1:
+                        logger.warning(
+                            "Failed to fetch image info for ID %s from %s: %s. Trying fallback host.",
+                            image_id,
+                            host,
+                            result,
+                        )
+                        continue
 
-                    # First, try to find the item with matching ID
-                    for item in items:
-                        if isinstance(item, dict) and item.get("id") == requested_id:
-                            logger.debug(f"Successfully fetched image info for ID: {image_id}")
-                            return item
-
-                    # No matching ID found - log warning with details about returned items
-                    returned_ids = [
-                        item.get("id") for item in items
-                        if isinstance(item, dict) and "id" in item
-                    ]
-                    logger.warning(
-                        f"CivitAI API returned no matching image for requested ID {image_id}. "
-                        f"Returned {len(items)} item(s) with IDs: {returned_ids}. "
-                        f"This may indicate the image was deleted, hidden, or there is a database lag."
+                    logger.error(
+                        "Failed to fetch image info for ID %s from %s: %s",
+                        image_id,
+                        host,
+                        result,
                     )
                     return None
 
-                logger.warning(f"No image found with ID: {image_id}")
+                if result and "items" in result and isinstance(result["items"], list):
+                    items = result["items"]
+
+                    for item in items:
+                        if isinstance(item, dict) and item.get("id") == requested_id:
+                            logger.debug(
+                                "Successfully fetched image info for ID %s from %s",
+                                image_id,
+                                host,
+                            )
+                            return item
+
+                    returned_ids = [
+                        item.get("id")
+                        for item in items
+                        if isinstance(item, dict) and "id" in item
+                    ]
+
+                    if index < len(candidate_hosts) - 1:
+                        logger.info(
+                            "No matching image for requested ID %s from %s; trying fallback host. Returned %d item(s) with IDs: %s",
+                            image_id,
+                            host,
+                            len(items),
+                            returned_ids,
+                        )
+                        continue
+
+                    logger.warning(
+                        "CivitAI API returned no matching image for requested ID %s from %s. Returned %d item(s) with IDs: %s. This may indicate the image was deleted, hidden, or there is a database lag.",
+                        image_id,
+                        host,
+                        len(items),
+                        returned_ids,
+                    )
+                    return None
+
+                if index < len(candidate_hosts) - 1:
+                    logger.info(
+                        "No image found with ID %s from %s; trying fallback host",
+                        image_id,
+                        host,
+                    )
+                    continue
+
+                logger.warning("No image found with ID: %s", image_id)
                 return None
 
-            logger.error(f"Failed to fetch image info for ID: {image_id}: {result}")
+            if last_error is not None:
+                logger.error(
+                    "Failed to fetch image info for ID %s from all candidate hosts: %s",
+                    image_id,
+                    last_error,
+                )
             return None
         except RateLimitError:
             raise

py/services/recipes/analysis_service.py

@@ -5,7 +5,6 @@ from __future__ import annotations
 import base64
 import io
 import os
-import re
 import tempfile
 from dataclasses import dataclass
 from typing import Any, Callable, Optional
@@ -14,7 +13,7 @@ import numpy as np
 from PIL import Image
 
 from ...utils.utils import calculate_recipe_fingerprint
-from ...utils.civitai_utils import rewrite_preview_url
+from ...utils.civitai_utils import extract_civitai_image_id, rewrite_preview_url
 from .errors import (
     RecipeDownloadError,
     RecipeNotFoundError,
@@ -104,9 +103,11 @@ class RecipeAnalysisService:
         extension = ".jpg"  # Default
 
         try:
-            civitai_match = re.match(r"https://civitai\.com/images/(\d+)", url)
-            if civitai_match:
-                image_info = await civitai_client.get_image_info(civitai_match.group(1))
+            civitai_image_id = extract_civitai_image_id(url)
+            if civitai_image_id:
+                image_info = await civitai_client.get_image_info(
+                    civitai_image_id, source_url=url
+                )
                 if not image_info:
                     raise RecipeDownloadError(
                         "Failed to fetch image information from Civitai"

py/utils/civitai_utils.py

@@ -2,10 +2,12 @@
 
 from __future__ import annotations
 
+import re
 from typing import Any, Dict, Iterable, Mapping, Sequence
-from urllib.parse import urlparse, urlunparse
+from urllib.parse import parse_qs, urlparse, urlunparse
 
 
+_SUPPORTED_CIVITAI_PAGE_HOSTS = frozenset({"civitai.com", "civitai.red"})
 _DEFAULT_ALLOW_COMMERCIAL_USE: Sequence[str] = ("Sell",)
 _LICENSE_DEFAULTS: Dict[str, Any] = {
     "allowNoCredit": True,
@@ -17,6 +19,77 @@ _COMMERCIAL_ALLOWED_VALUES = {"sell", "rent", "rentcivit", "image"}
 _COMMERCIAL_SHIFT = 1
 
 
+def is_supported_civitai_page_host(hostname: str | None) -> bool:
+    """Return whether the hostname is a supported Civitai page domain."""
+
+    if not hostname:
+        return False
+    return hostname.lower() in _SUPPORTED_CIVITAI_PAGE_HOSTS
+
+
+def _parse_supported_civitai_page_url(url: str | None):
+    if not url:
+        return None
+
+    try:
+        parsed = urlparse(url)
+    except ValueError:
+        return None
+
+    if parsed.scheme not in {"http", "https"}:
+        return None
+
+    if not is_supported_civitai_page_host(parsed.hostname):
+        return None
+
+    return parsed
+
+
+def extract_civitai_model_url_parts(
+    url: str | None,
+) -> tuple[str | None, str | None]:
+    """Extract model and version identifiers from a supported Civitai model URL."""
+
+    parsed = _parse_supported_civitai_page_url(url)
+    if parsed is None:
+        return None, None
+
+    path_match = re.search(r"/models/(\d+)", parsed.path)
+    if not path_match:
+        return None, None
+
+    model_id = path_match.group(1)
+
+    query_params = parse_qs(parsed.query)
+    version_values = query_params.get("modelVersionId") or []
+    version_id = version_values[0] if version_values else None
+    return model_id, version_id
+
+
+def extract_civitai_image_id(url: str | None) -> str | None:
+    """Extract the image identifier from a supported Civitai image page URL."""
+
+    parsed = _parse_supported_civitai_page_url(url)
+    if parsed is None:
+        return None
+
+    path_match = re.search(r"/images/(\d+)", parsed.path)
+    if not path_match:
+        return None
+
+    return path_match.group(1)
+
+
+def extract_civitai_page_host(url: str | None) -> str | None:
+    """Extract the supported Civitai page host from a URL."""
+
+    parsed = _parse_supported_civitai_page_url(url)
+    if parsed is None:
+        return None
+
+    return parsed.hostname.lower() if parsed.hostname else None
+
+
 def _normalize_commercial_values(value: Any) -> Sequence[str]:
     """Return a normalized list of commercial permissions preserving source values."""
 
@@ -199,6 +272,10 @@ def rewrite_preview_url(
 
 __all__ = [
     "build_license_flags",
+    "extract_civitai_image_id",
+    "extract_civitai_page_host",
+    "extract_civitai_model_url_parts",
+    "is_supported_civitai_page_host",
     "resolve_license_payload",
     "resolve_license_info",
     "rewrite_preview_url",

static/js/components/ContextMenu/ModelContextMenuMixin.js

@@ -6,6 +6,7 @@ import { bulkManager } from '../../managers/BulkManager.js';
 import { MODEL_CONFIG } from '../../api/apiConfig.js';
 import { translate } from '../../utils/i18nHelpers.js';
 import { getNsfwLevelSelector } from '../shared/NsfwLevelSelector.js';
+import { extractCivitaiModelUrlParts } from '../../utils/civitaiUtils.js';
 
 // Mixin with shared functionality for LoraContextMenu and CheckpointContextMenu
 export const ModelContextMenuMixin = {
@@ -154,25 +155,7 @@ export const ModelContextMenuMixin = {
     },
 
     extractModelVersionId(url) {
-        try {
-            // Handle all three URL formats:
-            // 1. https://civitai.com/models/649516
-            // 2. https://civitai.com/models/649516?modelVersionId=726676
-            // 3. https://civitai.com/models/649516/cynthia-pokemon-diamond-and-pearl-pdxl-lora?modelVersionId=726676
-            
-            const parsedUrl = new URL(url);
-            
-            // Extract model ID from path
-            const pathMatch = parsedUrl.pathname.match(/\/models\/(\d+)/);
-            const modelId = pathMatch ? pathMatch[1] : null;
-            
-            // Extract model version ID from query parameters
-            const modelVersionId = parsedUrl.searchParams.get('modelVersionId');
-            
-            return { modelId, modelVersionId };
-        } catch (e) {
-            return { modelId: null, modelVersionId: null };
-        }
+        return extractCivitaiModelUrlParts(url);
     },
 
     parseModelId(value) {

static/js/managers/DownloadManager.js

@@ -6,6 +6,7 @@ import { getModelApiClient, resetAndReload } from '../api/modelApiFactory.js';
 import { getStorageItem, setStorageItem } from '../utils/storageHelpers.js';
 import { FolderTreeManager } from '../components/FolderTreeManager.js';
 import { translate } from '../utils/i18nHelpers.js';
+import { extractCivitaiModelUrlParts } from '../utils/civitaiUtils.js';
 
 export class DownloadManager {
     constructor() {
@@ -197,21 +198,22 @@ export class DownloadManager {
     }
 
     extractModelId(url) {
-        const versionMatch = url.match(/modelVersionId=(\d+)/i);
-        this.modelVersionId = versionMatch ? versionMatch[1] : null;
-
         const civarchiveMatch = url.match(/https?:\/\/(?:www\.)?(?:civitaiarchive|civarchive)\.com\/models\/(\d+)/i);
         if (civarchiveMatch) {
+            const versionMatch = url.match(/modelVersionId=(\d+)/i);
+            this.modelVersionId = versionMatch ? versionMatch[1] : null;
             this.source = 'civarchive';
             return civarchiveMatch[1];
         }
 
-        const civitaiMatch = url.match(/https?:\/\/(?:www\.)?civitai\.com\/models\/(\d+)/i);
-        if (civitaiMatch) {
+        const { modelId, modelVersionId } = extractCivitaiModelUrlParts(url);
+        if (modelId) {
+            this.modelVersionId = modelVersionId;
             this.source = null;
-            return civitaiMatch[1];
+            return modelId;
         }
 
+        this.modelVersionId = null;
         this.source = null;
         return null;
     }

static/js/utils/civitaiUtils.js

@@ -13,6 +13,11 @@ export const OptimizationMode = {
     THUMBNAIL: 'thumbnail',
 };
 
+const SUPPORTED_CIVITAI_PAGE_HOSTS = new Set([
+    'civitai.com',
+    'civitai.red',
+]);
+
 /**
  * Rewrite Civitai preview URLs to use optimized renditions.
  * Mirrors the backend's rewrite_preview_url() function from py/utils/civitai_utils.py
@@ -119,3 +124,50 @@ export function isCivitaiUrl(url) {
         return false;
     }
 }
+
+export function isSupportedCivitaiPageHost(hostname) {
+    if (!hostname) {
+        return false;
+    }
+
+    return SUPPORTED_CIVITAI_PAGE_HOSTS.has(hostname.toLowerCase());
+}
+
+export function extractCivitaiModelUrlParts(url) {
+    if (!url) {
+        return { modelId: null, modelVersionId: null };
+    }
+
+    try {
+        const parsedUrl = new URL(url);
+        if (!isSupportedCivitaiPageHost(parsedUrl.hostname)) {
+            return { modelId: null, modelVersionId: null };
+        }
+
+        const pathMatch = parsedUrl.pathname.match(/\/models\/(\d+)/);
+        const modelId = pathMatch ? pathMatch[1] : null;
+        const modelVersionId = parsedUrl.searchParams.get('modelVersionId');
+
+        return { modelId, modelVersionId };
+    } catch (e) {
+        return { modelId: null, modelVersionId: null };
+    }
+}
+
+export function extractCivitaiImageId(url) {
+    if (!url) {
+        return null;
+    }
+
+    try {
+        const parsedUrl = new URL(url);
+        if (!isSupportedCivitaiPageHost(parsedUrl.hostname)) {
+            return null;
+        }
+
+        const pathMatch = parsedUrl.pathname.match(/\/images\/(\d+)/);
+        return pathMatch ? pathMatch[1] : null;
+    } catch (e) {
+        return null;
+    }
+}

tests/frontend/components/modelContextMenuMixin.test.js

@@ -0,0 +1,21 @@
+import { describe, expect, it } from 'vitest';
+
+import { ModelContextMenuMixin } from '../../../static/js/components/ContextMenu/ModelContextMenuMixin.js';
+
+describe('ModelContextMenuMixin.extractModelVersionId', () => {
+  it('accepts civitai.red model URLs', () => {
+    expect(
+      ModelContextMenuMixin.extractModelVersionId(
+        'https://civitai.red/models/65423/nijimecha-artstyle?modelVersionId=777'
+      )
+    ).toEqual({ modelId: '65423', modelVersionId: '777' });
+  });
+
+  it('rejects model-like URLs from unsupported hosts', () => {
+    expect(
+      ModelContextMenuMixin.extractModelVersionId(
+        'https://example.com/models/65423?modelVersionId=777'
+      )
+    ).toEqual({ modelId: null, modelVersionId: null });
+  });
+});

tests/frontend/managers/downloadManager.history.test.js

@@ -136,4 +136,14 @@ describe('DownloadManager version history badges', () => {
     expect(items[1].querySelector('.local-path')?.textContent).toContain('/models/still-local.safetensors');
     expect(items[1].querySelector('.downloaded-badge')).toBeNull();
   });
+
+  it('extracts model and version ids from civitai.red URLs', () => {
+    const manager = new DownloadManager();
+
+    expect(
+      manager.extractModelId('https://civitai.red/models/65423/nijimecha-artstyle?modelVersionId=777')
+    ).toBe('65423');
+    expect(manager.modelVersionId).toBe('777');
+    expect(manager.source).toBeNull();
+  });
 });

tests/frontend/utils/civitaiUtils.test.js

@@ -4,7 +4,10 @@ import {
     getOptimizedUrl,
     getShowcaseUrl,
     getThumbnailUrl,
+    extractCivitaiImageId,
+    extractCivitaiModelUrlParts,
     isCivitaiUrl,
+    isSupportedCivitaiPageHost,
     OptimizationMode
 } from '../../../static/js/utils/civitaiUtils.js';
 
@@ -217,4 +220,43 @@ describe('civitaiUtils', () => {
             expect(isCivitaiUrl('not-a-url')).toBe(false);
         });
     });
+
+    describe('isSupportedCivitaiPageHost', () => {
+        it('accepts civitai.com and civitai.red page hosts', () => {
+            expect(isSupportedCivitaiPageHost('civitai.com')).toBe(true);
+            expect(isSupportedCivitaiPageHost('civitai.red')).toBe(true);
+        });
+
+        it('rejects unrelated hosts', () => {
+            expect(isSupportedCivitaiPageHost('www.civitai.com')).toBe(false);
+            expect(isSupportedCivitaiPageHost('www.civitai.red')).toBe(false);
+            expect(isSupportedCivitaiPageHost('example.com')).toBe(false);
+            expect(isSupportedCivitaiPageHost('')).toBe(false);
+            expect(isSupportedCivitaiPageHost(null)).toBe(false);
+        });
+    });
+
+    describe('extractCivitaiModelUrlParts', () => {
+        it('extracts model and version ids from civitai.red model URLs', () => {
+            expect(
+                extractCivitaiModelUrlParts('https://civitai.red/models/65423/name?modelVersionId=98765')
+            ).toEqual({ modelId: '65423', modelVersionId: '98765' });
+        });
+
+        it('rejects model-like URLs from unsupported hosts', () => {
+            expect(
+                extractCivitaiModelUrlParts('https://example.com/models/65423?modelVersionId=98765')
+            ).toEqual({ modelId: null, modelVersionId: null });
+        });
+    });
+
+    describe('extractCivitaiImageId', () => {
+        it('extracts image ids from civitai.red image URLs', () => {
+            expect(extractCivitaiImageId('https://civitai.red/images/126920345')).toBe('126920345');
+        });
+
+        it('rejects image-like URLs from unsupported hosts', () => {
+            expect(extractCivitaiImageId('https://example.com/images/126920345')).toBe(null);
+        });
+    });
 });

tests/routes/test_recipe_routes.py

@@ -274,7 +274,9 @@ class StubCivitaiClient:
     def __init__(self) -> None:
         self.image_info: Dict[str, Any] = {}
 
-    async def get_image_info(self, image_id: str) -> Optional[Dict[str, Any]]:
+    async def get_image_info(
+        self, image_id: str, source_url: str | None = None
+    ) -> Optional[Dict[str, Any]]:
         return self.image_info.get(image_id)
 
 
@@ -635,6 +637,58 @@ async def test_import_remote_video_recipe(monkeypatch, tmp_path: Path) -> None:
         assert call["extension"] == ".mp4"
 
 
+async def test_import_remote_recipe_supports_civitai_red(monkeypatch, tmp_path: Path) -> None:
+    async def fake_get_default_metadata_provider():
+        return SimpleNamespace(get_model_version_info=lambda id: ({}, None))
+
+    monkeypatch.setattr(
+        "py.recipes.enrichment.get_default_metadata_provider",
+        fake_get_default_metadata_provider,
+    )
+
+    async with recipe_harness(monkeypatch, tmp_path) as harness:
+        harness.civitai.image_info["126920345"] = {
+            "id": 126920345,
+            "url": "https://image.civitai.com/x/y/original=true/sample.jpeg",
+            "type": "image",
+        }
+
+        response = await harness.client.get(
+            "/api/lm/recipes/import-remote",
+            params={
+                "image_url": "https://civitai.red/images/126920345",
+                "name": "Red Recipe",
+                "resources": json.dumps([]),
+                "base_model": "Flux",
+            },
+        )
+
+        payload = await response.json()
+        assert response.status == 200
+        assert payload["success"] is True
+        assert harness.downloader.urls
+        assert "width=450,optimized=true" in harness.downloader.urls[0]
+
+
+async def test_analyze_remote_image_supports_civitai_red(
+    monkeypatch, tmp_path: Path
+) -> None:
+    async with recipe_harness(monkeypatch, tmp_path) as harness:
+        harness.analysis.result = SimpleNamespace(payload={"loras": []}, status=200)
+
+        response = await harness.client.post(
+            "/api/lm/recipes/analyze-image",
+            json={"url": "https://civitai.red/images/126920345"},
+        )
+        payload = await response.json()
+
+        assert response.status == 200
+        assert payload == {"loras": []}
+        assert harness.analysis.remote_calls == [
+            "https://civitai.red/images/126920345"
+        ]
+
+
 async def test_analyze_uploaded_image_error_path(monkeypatch, tmp_path: Path) -> None:
     async with recipe_harness(monkeypatch, tmp_path) as harness:
         harness.analysis.raise_for_uploaded = RecipeValidationError(

tests/services/test_batch_import_service.py

@@ -581,6 +581,7 @@ class TestInputValidation:
         assert service._validate_url("https://example.com/image.png") is True
         assert service._validate_url("http://example.com/image.png") is True
         assert service._validate_url("https://civitai.com/images/123") is True
+        assert service._validate_url("https://civitai.red/images/123") is True
 
     def test_validate_invalid_url(self, service):
         assert service._validate_url("not-a-url") is False

tests/services/test_civitai_client.py

@@ -530,6 +530,97 @@ async def test_get_image_info_handles_missing(monkeypatch, downloader):
     assert result is None
 
 
+async def test_get_image_info_prefers_red_host_for_red_source(monkeypatch, downloader):
+    requested_urls = []
+
+    async def fake_make_request(method, url, use_auth=True, **kwargs):
+        requested_urls.append(url)
+        return True, {"items": [{"id": 124950237, "name": "target"}]}
+
+    downloader.make_request = fake_make_request
+
+    client = await CivitaiClient.get_instance()
+
+    result = await client.get_image_info(
+        "124950237", source_url="https://civitai.red/images/124950237"
+    )
+
+    assert result == {"id": 124950237, "name": "target"}
+    assert requested_urls == [
+        "https://civitai.red/api/v1/images?imageId=124950237&nsfw=X"
+    ]
+
+
+async def test_get_image_info_falls_back_from_com_to_red(monkeypatch, downloader):
+    requested_urls = []
+
+    async def fake_make_request(method, url, use_auth=True, **kwargs):
+        requested_urls.append(url)
+        if url.startswith("https://civitai.com/"):
+            return True, {"items": []}
+        return True, {"items": [{"id": 124950237, "name": "fallback"}]}
+
+    downloader.make_request = fake_make_request
+
+    client = await CivitaiClient.get_instance()
+
+    result = await client.get_image_info("124950237")
+
+    assert result == {"id": 124950237, "name": "fallback"}
+    assert requested_urls == [
+        "https://civitai.com/api/v1/images?imageId=124950237&nsfw=X",
+        "https://civitai.red/api/v1/images?imageId=124950237&nsfw=X",
+    ]
+
+
+async def test_get_image_info_falls_back_from_red_to_com(monkeypatch, downloader):
+    requested_urls = []
+
+    async def fake_make_request(method, url, use_auth=True, **kwargs):
+        requested_urls.append(url)
+        if url.startswith("https://civitai.red/"):
+            return True, {"items": []}
+        return True, {"items": [{"id": 124950237, "name": "fallback"}]}
+
+    downloader.make_request = fake_make_request
+
+    client = await CivitaiClient.get_instance()
+
+    result = await client.get_image_info(
+        "124950237", source_url="https://civitai.red/images/124950237"
+    )
+
+    assert result == {"id": 124950237, "name": "fallback"}
+    assert requested_urls == [
+        "https://civitai.red/api/v1/images?imageId=124950237&nsfw=X",
+        "https://civitai.com/api/v1/images?imageId=124950237&nsfw=X",
+    ]
+
+
+async def test_get_image_info_falls_back_after_request_failure(monkeypatch, downloader):
+    requested_urls = []
+
+    async def fake_make_request(method, url, use_auth=True, **kwargs):
+        requested_urls.append(url)
+        if url.startswith("https://civitai.red/"):
+            return False, "403 forbidden"
+        return True, {"items": [{"id": 124950237, "name": "fallback"}]}
+
+    downloader.make_request = fake_make_request
+
+    client = await CivitaiClient.get_instance()
+
+    result = await client.get_image_info(
+        "124950237", source_url="https://civitai.red/images/124950237"
+    )
+
+    assert result == {"id": 124950237, "name": "fallback"}
+    assert requested_urls == [
+        "https://civitai.red/api/v1/images?imageId=124950237&nsfw=X",
+        "https://civitai.com/api/v1/images?imageId=124950237&nsfw=X",
+    ]
+
+
 async def test_get_image_info_handles_invalid_id(monkeypatch, downloader, caplog):
     """When given a non-numeric image ID, return None and log error."""
     client = await CivitaiClient.get_instance()

tests/services/test_recipe_repair.py

@@ -6,7 +6,7 @@ from types import SimpleNamespace
 
 # We define these here to help with spec= if needed
 class MockCivitaiClient:
-    async def get_image_info(self, image_id):
+    async def get_image_info(self, image_id, source_url=None):
         pass
 
 class MockPersistenceService:
@@ -119,6 +119,50 @@ async def test_repair_all_recipes_with_enriched_checkpoint_id(setup_scanner):
     assert "hash" not in checkpoint
     assert "file_name" not in checkpoint
 
+
+@pytest.mark.asyncio
+async def test_repair_all_recipes_supports_civitai_red_source_url(setup_scanner):
+    recipe_scanner, mock_civitai_client, mock_metadata_provider = setup_scanner
+
+    recipe = {
+        "id": "r1",
+        "title": "Red Recipe",
+        "source_url": "https://civitai.red/images/12345",
+        "checkpoint": None,
+        "gen_params": {"prompt": ""},
+    }
+    recipe_scanner._cache = SimpleNamespace(raw_data=[recipe])
+
+    mock_civitai_client.get_image_info.return_value = {
+        "modelVersionId": 5678,
+        "meta": {"prompt": "from red"},
+    }
+    mock_metadata_provider.get_model_version_info.return_value = (
+        {
+            "id": 5678,
+            "modelId": 1234,
+            "name": "v1.0",
+            "model": {"name": "Full Model Name"},
+            "baseModel": "SDXL 1.0",
+            "images": [{"url": "https://image.url/thumb.jpg"}],
+            "files": [
+                {
+                    "type": "Model",
+                    "hashes": {"SHA256": "ABCDEF"},
+                    "name": "full_filename.safetensors",
+                }
+            ],
+        },
+        None,
+    )
+
+    results = await recipe_scanner.repair_all_recipes()
+
+    assert results["repaired"] == 1
+    mock_civitai_client.get_image_info.assert_called_with(
+        "12345", source_url="https://civitai.red/images/12345"
+    )
+
 @pytest.mark.asyncio
 async def test_repair_all_recipes_with_enriched_checkpoint_hash(setup_scanner):
     recipe_scanner, mock_civitai_client, mock_metadata_provider = setup_scanner

tests/services/test_recipe_services.py

@@ -678,7 +678,7 @@ async def test_analyze_remote_video(tmp_path):
     )
 
     class DummyClient:
-        async def get_image_info(self, image_id):
+        async def get_image_info(self, image_id, source_url=None):
             return {
                 "url": "https://civitai.com/video.mp4",
                 "type": "video",
@@ -698,3 +698,60 @@ async def test_analyze_remote_video(tmp_path):
     assert result.payload["is_video"] is True
     assert result.payload["extension"] == ".mp4"
     assert result.payload["image_base64"] is not None
+
+
+@pytest.mark.asyncio
+async def test_analyze_remote_image_supports_civitai_red():
+    exif_utils = DummyExifUtils()
+
+    class DummyFactory:
+        def create_parser(self, metadata):
+            async def parse_metadata(m, recipe_scanner=None, civitai_client=None):
+                return {"loras": [], "gen_params": {"prompt": "red prompt"}}
+
+            return SimpleNamespace(parse_metadata=parse_metadata)
+
+    async def downloader_factory():
+        class Downloader:
+            async def download_file(self, url, path, use_auth=False):
+                Path(path).write_bytes(b"fake-image")
+                return True, "success"
+
+        return Downloader()
+
+    service = RecipeAnalysisService(
+        exif_utils=exif_utils,
+        recipe_parser_factory=DummyFactory(),
+        downloader_factory=downloader_factory,
+        metadata_collector=None,
+        metadata_processor_cls=None,
+        metadata_registry_cls=None,
+        standalone_mode=False,
+        logger=logging.getLogger("test"),
+    )
+
+    class DummyClient:
+        def __init__(self):
+            self.calls = []
+
+        async def get_image_info(self, image_id, source_url=None):
+            self.calls.append((image_id, source_url))
+            return {
+                "url": "https://image.civitai.com/x/y/original=true/sample.jpeg",
+                "type": "image",
+                "meta": {"prompt": "red prompt"},
+            }
+
+    class DummyScanner:
+        async def find_recipes_by_fingerprint(self, fingerprint):
+            return []
+
+    client = DummyClient()
+    result = await service.analyze_remote_image(
+        url="https://civitai.red/images/123",
+        recipe_scanner=DummyScanner(),
+        civitai_client=client,
+    )
+
+    assert client.calls == [("123", "https://civitai.red/images/123")]
+    assert result.payload["loras"] == []

tests/utils/test_civitai_utils.py

@@ -1,4 +1,11 @@
-from py.utils.civitai_utils import build_license_flags, resolve_license_info, resolve_license_payload
+from py.utils.civitai_utils import (
+    build_license_flags,
+    extract_civitai_image_id,
+    extract_civitai_model_url_parts,
+    is_supported_civitai_page_host,
+    resolve_license_info,
+    resolve_license_payload,
+)
 
 
 def test_resolve_license_payload_defaults():
@@ -78,3 +85,40 @@ def test_build_license_flags_parses_aggregate_inside_list():
     flags = build_license_flags(source)
     expected_flags = (1 << 0) | (7 << 1) | (1 << 5)
     assert flags == expected_flags
+
+
+def test_supported_civitai_page_hosts_include_red():
+    assert is_supported_civitai_page_host("civitai.com") is True
+    assert is_supported_civitai_page_host("civitai.red") is True
+    assert is_supported_civitai_page_host("www.civitai.com") is False
+    assert is_supported_civitai_page_host("www.civitai.red") is False
+    assert is_supported_civitai_page_host("example.com") is False
+
+
+def test_extract_civitai_model_url_parts_supports_red():
+    model_id, version_id = extract_civitai_model_url_parts(
+        "https://civitai.red/models/65423/nijimecha-artstyle?modelVersionId=777"
+    )
+
+    assert model_id == "65423"
+    assert version_id == "777"
+
+
+def test_extract_civitai_model_url_parts_rejects_non_civitai_host():
+    model_id, version_id = extract_civitai_model_url_parts(
+        "https://example.com/models/65423?modelVersionId=777"
+    )
+
+    assert model_id is None
+    assert version_id is None
+
+
+def test_extract_civitai_image_id_supports_red():
+    assert (
+        extract_civitai_image_id("https://civitai.red/images/126920345")
+        == "126920345"
+    )
+
+
+def test_extract_civitai_image_id_rejects_non_civitai_host():
+    assert extract_civitai_image_id("https://example.com/images/126920345") is None