diff --git a/.agents/skills/backend/SKILL.md b/.agents/skills/backend/SKILL.md
index 8f27472..4ff4de6 100644
--- a/.agents/skills/backend/SKILL.md
+++ b/.agents/skills/backend/SKILL.md
@@ -131,7 +131,7 @@ Strip supplierName?: str from T11 (resolve via entityId in cached supplier list)
 
 # Dash API Routes Overview (All)
 
-Overview of all 268 API endpoints across all modules.
+Overview of all 270 API endpoints across all modules.
 
 ### Notation
 
@@ -460,6 +460,9 @@ _none_
 #### Add category image — `POST /category/{id}/image`
 - Params: `id: int, image/avif`
 - Returns: `201 { category: { id: int, thumbW: int, thumbH: int, thumbHash: str } }`
+#### Generate category mosaic image from contents — `POST /category/{id}/image/generate`
+- Params: `id: int, body?: { size?: int }`
+- Returns: `200 { category: { id: int, fullHash: str, thumbW: int, thumbH: int, thumbHash: str, size: int, grid: str, articleCount: int } }`
 #### List category properties — `GET /category/{id}/property`
 - Params: `id: int`
 - Returns: `200 { properties: { id: int, propertyId: int, name: str, exclusive: bool, value: str, sort: int, categoryId?: int }[] }`
@@ -1055,6 +1058,9 @@ _none_
 #### JTL-POS category synchronization — `GET /v1/category`
 - Params: `query: lastChangedCategory?: str, limit?: int`
 - Returns: `200 {}[]`
+#### POS category image delivery — `GET /v1/cimage`
+- Params: `query: path: str, size?: int, w?: int, h?: int, format?: str`
+- Returns: `200 jpeg`
 #### POS discovery and pairing — `GET /v1/client`
 - Params: `query: authCode: str, name?: str`
 - Returns: `200 { authCode: str|null, authToken: str|null, certificateFingerprint: str, certificateSerialNumber: str, mandantId: str, mandantName: str|null, mandantDatabase: str|null, serverFingerprint: str|null, name: str|null, serverTimestamp: str }`
@@ -1074,7 +1080,7 @@ _none_
 - Params: `query: mandantId?: str, body: { orders?: {}[] }`
 - Returns: `200 { status: str, externalOrderId: str, message: str }[]`
 #### POS product image delivery — `GET /v1/pimage`
-- Params: `query: path: str, w?: int, h?: int, format?: str`
+- Params: `query: path: str, size?: int, w?: int, h?: int, format?: str`
 - Returns: `200 jpeg`
 #### JTL-POS product catalog synchronization — `GET /v1/product`
 - Params: `query: lastChangedProduct?: str, limit?: int`