feat(subtitles): 补字幕第 1 步——上传字幕 / zip,识别语言与季集,配对写入视频同目录,历史与撤销

Co-Authored-By: Claude Opus 5.5 <[email protected]>

packages/db/migrations/0064_subtitle_write.ts

@@ -0,0 +1,32 @@
+import type { Kysely } from "kysely";
+import { execDdl } from "../src/migration-helpers.ts";
+
+// 补字幕(docs/plan/subtitles.md):每次写入一个字幕文件记一行,撤销时删文件、有备份就还原。
+// 写入的字幕同时登记为 media_asset(kind = subtitle)+ asset_location(sidecar_of_location_id 指向视频位置)。
+// biome-ignore lint/suspicious/noExplicitAny: 迁移不依赖应用表类型
+export async function up(db: Kysely<any>): Promise<void> {
+  await execDdl(
+    db,
+    `create table if not exists subtitle_write (
+       id uuid primary key default gen_random_uuid(),
+       media_entity_id uuid not null references media_entity (id) on delete cascade,
+       video_location_id uuid references asset_location (id) on delete set null,
+       subtitle_asset_id uuid references media_asset (id) on delete set null,
+       library_root_id uuid not null references library_root (id) on delete cascade,
+       relative_path text not null,
+       language text not null,
+       source text not null check (source in ('upload', 'subhd', 'zimuku')),
+       source_name text not null,
+       source_ref text,
+       backup_path text,
+       actor text,
+       created_at timestamptz not null default now(),
+       undone_at timestamptz
+     );
+     create index if not exists subtitle_write_entity on subtitle_write (media_entity_id, created_at desc);`,
+  );
+}
+// biome-ignore lint/suspicious/noExplicitAny: 同上
+export async function down(db: Kysely<any>): Promise<void> {
+  await execDdl(db, "drop table if exists subtitle_write;");
+}