feat: resolve all 22 items in Features and Bugs.txt and complete UI polish

packages/core/src/storage-local.ts

@@ -123,6 +123,16 @@ export const storageLocal: StorageAdapter = {
     return p;
   },
 
+  async deleteProject(id: string): Promise<void> {
+    await db.projects.delete(id);
+    await db.books.where("projectId").equals(id).delete();
+    await db.chapters.where("projectId").equals(id).delete();
+    await db.entities.where("projectId").equals(id).delete();
+    await db.boards.where("projectId").equals(id).delete();
+    await db.plotBeats.where("projectId").equals(id).delete();
+    await db.aiSessions.where("projectId").equals(id).delete();
+  },
+
   async createBook(b: { projectId: string; title: string }): Promise<Book> {
     const id = createUlid();
     const book: Book = { id, projectId: b.projectId, title: b.title, order: 0, chapters: [] };
@@ -140,8 +150,16 @@ export const storageLocal: StorageAdapter = {
     return rows.sort((a, b) => a.order - b.order);
   },
 
+  async deleteChapter(id: string): Promise<void> {
+    await db.chapters.delete(id);
+  },
+
   async saveDocument(doc: DocumentRef): Promise<void> {
     const existing = await db.chapters.get(doc.id);
+    const existingCount =
+      !existing && doc.bookId
+        ? await db.chapters.where("bookId").equals(doc.bookId).count()
+        : 0;
     const base: Chapter = existing ?? {
       id: doc.id,
       bookId: doc.bookId ?? "",
@@ -149,7 +167,7 @@ export const storageLocal: StorageAdapter = {
       title: doc.title,
       doc: doc.doc,
       rev: 0,
-      order: 0,
+      order: existingCount,
       meta: { wordCount: 0, scenes: [], updatedAt: nowIso() },
     };
     await db.chapters.put({