feat: 完成短剧项目空间与结构化资产创作闭环 (#38)

* feat(canvas): 短剧项目空间 - 建立项目章节与画布关联 MVP

* feat(canvas): 短剧项目空间 - 完善项目资产、镜头与流程闭环

Refs #30

* fix(deploy): 本地部署 - 修复前端构建并忽略本地 PostgreSQL 配置

* feat(*): 短剧项目空间 - 完成项目、章节、资产、角色与画布创作闭环

Refs #30

---------

Co-authored-by: ddCat <ddcat666@88.com>

web/src/lib/canvas/canvas-document.ts

@@ -1,6 +1,3 @@
-import type { JSONContent } from "@tiptap/core";
-import type { CanvasDocumentChapter, CanvasRichDocument } from "@/types/canvas";
-
 const maxChapterHeadingLength = 120;
 const chineseChapterNumber = "[零〇○一二两三四五六七八九十百千万亿壹贰叁肆伍陆柒捌玖拾佰仟\\d]+";
 const englishChapterNumber = "(?:\\d+|[ivxlcdm]+|one|two|three|four|five|six|seven|eight|nine|ten|eleven|twelve)";
@@ -14,44 +11,7 @@ const chapterHeadingPatterns = [
     new RegExp(`^(?:prologue|preface|introduction|epilogue|afterword|appendix)${chapterTitleSuffix}$`, "i"),
 ];
 
-export function emptyDocument(): JSONContent {
-    return { type: "doc", content: [{ type: "paragraph" }] };
-}
-
-export function textToDocument(text: string): JSONContent {
-    const content = text.split(/\n{2,}/).map((paragraph) => {
-        const value = paragraph.trim();
-        if (!value) return { type: "paragraph" };
-        const markdownHeading = /^(#{1,3})\s+(.+)$/.exec(value);
-        if (markdownHeading) return { type: "heading", attrs: { level: markdownHeading[1].length }, content: [{ type: "text", text: markdownHeading[2] }] };
-        return { type: "paragraph", content: [{ type: "text", text: value }] };
-    });
-    return { type: "doc", content: content.length ? content : [{ type: "paragraph" }] };
-}
-
-export function createDocumentChapter(title: string, plainText = "", order = 0): CanvasDocumentChapter {
-    return {
-        id: `chapter-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`,
-        title,
-        order,
-        json: textToDocument(plainText) as unknown as Record<string, unknown>,
-        plainText: plainText.trim(),
-        characterCount: Array.from(plainText.trim()).length,
-        storyboardStatus: "idle",
-        updatedAt: new Date().toISOString(),
-    };
-}
-
-export function normalizeDocumentChapters(document: CanvasRichDocument | undefined, fallbackText = "") {
-    if (document?.chapters?.length) {
-        return document.chapters
-            .map((chapter, index) => ({ ...chapter, title: chapter.title.trim() || `第 ${index + 1} 章`, order: index }))
-            .sort((left, right) => left.order - right.order);
-    }
-    const chapter = createDocumentChapter("第 1 章", document?.plainText || fallbackText, 0);
-    if (document?.json) chapter.json = document.json;
-    return [chapter];
-}
+export type ImportedNovelChapter = { title: string; plainText: string };
 
 function chapterTitleFromLine(line: string) {
     const trimmed = line.trim();
@@ -87,7 +47,7 @@ export function decodeNovelText(buffer: ArrayBuffer) {
 
 export function splitTextIntoChapters(text: string) {
     const normalized = text.replace(/\r\n?/g, "\n").trim();
-    if (!normalized) return [createDocumentChapter("第 1 章")];
+    if (!normalized) return [{ title: "第 1 章", plainText: "" }];
     const lines = normalized.split("\n");
     const sections: Array<{ title: string; lines: string[] }> = [];
     let current: { title: string; lines: string[] } | null = null;
@@ -104,29 +64,7 @@ export function splitTextIntoChapters(text: string) {
         else preface.push(line);
     }
     if (current) sections.push(current);
-    if (!sections.length) return [createDocumentChapter("第 1 章", normalized, 0)];
+    if (!sections.length) return [{ title: "第 1 章", plainText: normalized }];
     if (preface.some((line) => line.trim())) sections.unshift({ title: "序章", lines: preface });
-    return sections.map((section, index) => createDocumentChapter(section.title, section.lines.join("\n").trim(), index));
-}
-
-export function buildRichDocument(
-    previous: CanvasRichDocument | undefined,
-    chapters: CanvasDocumentChapter[],
-    activeChapterId: string,
-    sourceFileName?: string,
-): CanvasRichDocument {
-    const ordered = chapters.map((chapter, index) => ({ ...chapter, order: index }));
-    const active = ordered.find((chapter) => chapter.id === activeChapterId) || ordered[0];
-    const plainText = ordered.map((chapter) => `${chapter.title}\n\n${chapter.plainText}`.trim()).filter(Boolean).join("\n\n");
-    return {
-        kind: previous?.kind || "novel",
-        format: "tiptap-json",
-        json: active?.json || (emptyDocument() as unknown as Record<string, unknown>),
-        plainText,
-        characterCount: ordered.reduce((total, chapter) => total + chapter.characterCount, 0),
-        chapters: ordered,
-        activeChapterId: active?.id,
-        sourceFileName,
-        updatedAt: new Date().toISOString(),
-    };
+    return sections.map((section): ImportedNovelChapter => ({ title: section.title, plainText: section.lines.join("\n").trim() }));
 }