feat(api,web): support CBZ — scan, métadonnées, lecteur d'albums

- api: cbz utilitaire commun, scanner/métadonnées (+ tests), books, schéma et migrations
- web: CbzReader, ReaderPage/locators (+ tests), types et client API
- shared: types formats

Refs: #16

apps/api/src/database/database.service.ts

@@ -59,7 +59,7 @@ export class DatabaseService implements OnModuleDestroy {
         language TEXT,
         publisher TEXT,
         published_date TEXT,
-        format TEXT NOT NULL CHECK (format IN ('epub','pdf')),
+        format TEXT NOT NULL CHECK (format IN ('epub','pdf','cbz')),
         file_path TEXT NOT NULL UNIQUE,
         cover_path TEXT,
         file_size INTEGER NOT NULL,
@@ -119,6 +119,78 @@ export class DatabaseService implements OnModuleDestroy {
         VALUES (new.id, new.title, new.author, new.description, new.isbn);
       END;
     `);
+    this.ensureBooksSupportsCbz();
     this.sqlite.exec("INSERT INTO book_fts(book_fts) VALUES('rebuild')");
   }
+
+  private ensureBooksSupportsCbz(): void {
+    const table = this.sqlite
+      .prepare("SELECT sql FROM sqlite_master WHERE type = 'table' AND name = 'books'")
+      .get() as { sql?: string } | undefined;
+    if (!table?.sql || table.sql.includes("'cbz'")) return;
+
+    this.sqlite.exec(`
+      PRAGMA foreign_keys = OFF;
+      PRAGMA legacy_alter_table = ON;
+
+      DROP TRIGGER IF EXISTS books_ai;
+      DROP TRIGGER IF EXISTS books_ad;
+      DROP TRIGGER IF EXISTS books_au;
+
+      BEGIN;
+        ALTER TABLE books RENAME TO books_legacy_format;
+        CREATE TABLE books (
+          id INTEGER PRIMARY KEY AUTOINCREMENT,
+          library_id INTEGER NOT NULL REFERENCES libraries(id) ON DELETE CASCADE,
+          title TEXT NOT NULL,
+          author TEXT,
+          description TEXT,
+          isbn TEXT,
+          language TEXT,
+          publisher TEXT,
+          published_date TEXT,
+          format TEXT NOT NULL CHECK (format IN ('epub','pdf','cbz')),
+          file_path TEXT NOT NULL UNIQUE,
+          cover_path TEXT,
+          file_size INTEGER NOT NULL,
+          file_mtime TEXT NOT NULL,
+          created_at TEXT NOT NULL,
+          updated_at TEXT NOT NULL
+        );
+        INSERT INTO books (
+          id, library_id, title, author, description, isbn, language, publisher, published_date,
+          format, file_path, cover_path, file_size, file_mtime, created_at, updated_at
+        )
+        SELECT
+          id, library_id, title, author, description, isbn, language, publisher, published_date,
+          format, file_path, cover_path, file_size, file_mtime, created_at, updated_at
+        FROM books_legacy_format;
+        DROP TABLE books_legacy_format;
+      COMMIT;
+
+      PRAGMA legacy_alter_table = OFF;
+      PRAGMA foreign_keys = ON;
+
+      CREATE UNIQUE INDEX IF NOT EXISTS books_file_path_unique ON books(file_path);
+      CREATE INDEX IF NOT EXISTS books_library_idx ON books(library_id);
+      CREATE INDEX IF NOT EXISTS books_title_idx ON books(title);
+
+      CREATE TRIGGER IF NOT EXISTS books_ai AFTER INSERT ON books BEGIN
+        INSERT INTO book_fts(rowid, title, author, description, isbn)
+        VALUES (new.id, new.title, new.author, new.description, new.isbn);
+      END;
+
+      CREATE TRIGGER IF NOT EXISTS books_ad AFTER DELETE ON books BEGIN
+        INSERT INTO book_fts(book_fts, rowid, title, author, description, isbn)
+        VALUES('delete', old.id, old.title, old.author, old.description, old.isbn);
+      END;
+
+      CREATE TRIGGER IF NOT EXISTS books_au AFTER UPDATE ON books BEGIN
+        INSERT INTO book_fts(book_fts, rowid, title, author, description, isbn)
+        VALUES('delete', old.id, old.title, old.author, old.description, old.isbn);
+        INSERT INTO book_fts(rowid, title, author, description, isbn)
+        VALUES (new.id, new.title, new.author, new.description, new.isbn);
+      END;
+    `);
+  }
 }