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feat(scenes): add scene darkness reveal and fix project reopen crash

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Add darkenScene with Opening brush in presentation, persist reveal strokes per scene during a session, and close projects properly on return to home. Harden dnd asset streaming to avoid Windows main-process crashes when reopening projects.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Ivan Fontosh
2026-07-02 19:41:26 +08:00
parent d54e9ed02d
commit 4631a1bece
19 changed files with 526 additions and 11 deletions
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app/main/protocol/dndAssetProtocol.ts
+25 -9
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@@ -33,22 +33,39 @@ export function registerDndAssetProtocol(projectStore: ZipProjectStore): void {
const start = Number(m[1]);
const endRaw = m[2] ? Number(m[2]) : total - 1;
const end = Math.min(endRaw, total - 1);
if (!Number.isFinite(start) || !Number.isFinite(end) || start < 0 || end < start) {
return new Response(null, { status: 416 });
if (!Number.isFinite(start) || !Number.isFinite(end) || start < 0 || start >= total || end < start) {
return new Response(null, {
status: 416,
headers: {
'Content-Range': `bytes */${String(total)}`,
'Cache-Control': 'no-store',
},
});
}
const len = end - start + 1;
const fh = await fs.open(info.absPath, 'r');
try {
const buf = Buffer.alloc(len);
await fh.read(buf, 0, len, start);
return new Response(buf, {
const { bytesRead } = await fh.read(buf, 0, len, start);
if (bytesRead <= 0) {
return new Response(null, {
status: 416,
headers: {
'Content-Range': `bytes */${String(total)}`,
'Cache-Control': 'no-store',
},
});
}
const body = bytesRead === len ? buf : Buffer.from(buf.subarray(0, bytesRead));
const actualEnd = start + bytesRead - 1;
return new Response(body, {
status: 206,
headers: {
'Content-Type': info.mime,
'Accept-Ranges': 'bytes',
'Content-Range': `bytes ${String(start)}-${String(end)}/${String(total)}`,
'Content-Length': String(len),
'Cache-Control': 'public, max-age=300',
'Content-Range': `bytes ${String(start)}-${String(actualEnd)}/${String(total)}`,
'Content-Length': String(body.length),
'Cache-Control': 'no-store',
},
});
} finally {
@@ -62,8 +79,7 @@ export function registerDndAssetProtocol(projectStore: ZipProjectStore): void {
headers: {
'Content-Type': info.mime,
'Accept-Ranges': 'bytes',
'Content-Length': String(buf.length),
'Cache-Control': 'public, max-age=300',
'Cache-Control': 'no-store',
},
});
} catch {