Fix: Reader Store Refactor (Issue #11) & Feat: Drag n Drop (WIP)

src/lib/cache.ts

@@ -154,6 +154,7 @@ export const CACHE_GROUPS = {
 export const CACHE_KEYS = {
   LIBRARY:             "library",
   ALL_MANGA:           "all_manga_unfiltered",
+  CATEGORIES:          "categories",
   DISCOVER:            "discover_all_manga",  // Discover's unfiltered fetch — separate from library
   SOURCES:             "sources",
   POPULAR:             "popular",

src/lib/queries.ts

@@ -191,6 +191,95 @@ export const GET_DOWNLOADS_PATH = `
   }
 `;
 
+// ── Categories ────────────────────────────────────────────────────────────────
+
+export const GET_CATEGORIES = `
+  query GetCategories {
+    categories {
+      nodes {
+        id
+        name
+        order
+        default
+        includeInUpdate
+        includeInDownload
+        mangas {
+          nodes {
+            id
+            title
+            thumbnailUrl
+            inLibrary
+            downloadCount
+            unreadCount
+          }
+        }
+      }
+    }
+  }
+`;
+
+export const CREATE_CATEGORY = `
+  mutation CreateCategory($name: String!) {
+    createCategory(input: { name: $name }) {
+      category {
+        id
+        name
+        order
+        default
+        includeInUpdate
+        includeInDownload
+      }
+    }
+  }
+`;
+
+export const UPDATE_CATEGORY = `
+  mutation UpdateCategory($id: Int!, $name: String) {
+    updateCategory(input: { id: $id, patch: { name: $name } }) {
+      category {
+        id
+        name
+        order
+      }
+    }
+  }
+`;
+
+export const DELETE_CATEGORY = `
+  mutation DeleteCategory($id: Int!) {
+    deleteCategory(input: { categoryId: $id }) {
+      category {
+        id
+      }
+    }
+  }
+`;
+
+export const UPDATE_CATEGORY_ORDER = `
+  mutation UpdateCategoryOrder($id: Int!, $position: Int!) {
+    updateCategoryOrder(input: { id: $id, position: $position }) {
+      categories {
+        id
+        name
+        order
+        default
+        includeInUpdate
+        includeInDownload
+      }
+    }
+  }
+`;
+
+export const UPDATE_MANGA_CATEGORIES = `
+  mutation UpdateMangaCategories($mangaId: Int!, $addTo: [Int!]!, $removeFrom: [Int!]!) {
+    updateMangaCategories(input: { id: $mangaId, patch: { addToCategories: $addTo, removeFromCategories: $removeFrom } }) {
+      manga {
+        id
+      }
+    }
+  }
+`;
+
 // ── Downloads ─────────────────────────────────────────────────────────────────
 
 export const GET_DOWNLOAD_STATUS = `

src/lib/types.ts

@@ -1,3 +1,15 @@
+export interface Category {
+  id: number;
+  name: string;
+  order: number;
+  default: boolean;
+  includeInUpdate: string;
+  includeInDownload: string;
+  mangas?: {
+    nodes: Manga[];
+  };
+}
+
 export interface Manga {
   id: number;
   title: string;