Add Books — read EPUB-imported books in Practice with tap-to-define

New "Books" row in the Practice tab opens a library of bundled bilingual books. Each chapter renders Spanish paragraph-by-paragraph; tap any word for a definition sheet (DictionaryService with on-device AI fallback), or toggle the toolbar button to swap to the pre-computed English translation inline. Local-only Book + BookChapter SwiftData models added to the local container schema (reset version bumped to 5). DataLoader.seedBooks walks the bundle for `book_*.json` resources, so future books drop in without touching app code — just bundle a new JSON and bump bookDataVersion. First book: Olly Richards' "Spanish Short Stories For Beginners Vol 2" — 13 chapters, 2,646 paragraphs, bilingual. Scripts/books/ is the repeatable pipeline for future EPUBs: extract_epub.py → translate_chapters.py (per-chapter resumable jobs) → bundle_book.py. Translation is done by parallel Claude Code subagents reading per-job input files and writing output files — no API key required, matching the pattern used for the textbook vocab vision pass. See Scripts/books/README.md for the full how-to. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-11 09:21:44 -05:00
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+import Foundation
+import SwiftData
+
+/// A long-form bilingual book bundled with the app. Chapter content lives in
+/// `BookChapter` rows; this model carries the per-book metadata.
+@Model
+public final class Book {
+    @Attribute(.unique) public var id: String = ""    // matches `slug`
+    public var slug: String = ""
+    public var title: String = ""
+    public var author: String = ""
+    public var language: String = ""
+    public var chapterCount: Int = 0
+    public var accentColorHex: String = ""
+
+    public init(
+        slug: String,
+        title: String,
+        author: String,
+        language: String,
+        chapterCount: Int,
+        accentColorHex: String
+    ) {
+        self.id = slug
+        self.slug = slug
+        self.title = title
+        self.author = author
+        self.language = language
+        self.chapterCount = chapterCount
+        self.accentColorHex = accentColorHex
+    }
+}