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fix(plan-canvas): harden startup and PDF admission

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haelyra
2026-08-28 19:53:55 -04:00
parent 7df54382d2
commit 05cb3ad4f4
4 changed files with 93 additions and 13 deletions
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scripts/lib/plan-canvas/server.js
+9 -7
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@@ -411,6 +411,14 @@ function createPlanCanvasServer({
if (pdfMatch && (req.method === 'GET' || req.method === 'POST')) {
const session = store.get(pdfMatch[1]);
if (!session) return sendJson(res, 404, { error: 'unknown session' });
let requestedSnapshot = null;
if (req.method === 'POST') {
const body = await readJsonBody(req, MAX_PDF_SNAPSHOT_BYTES);
if (typeof body.html !== 'string' || !body.html.trim()) {
return sendJson(res, 400, { error: 'html snapshot is required' });
}
requestedSnapshot = { key: session.key, html: body.html };
}
if (pdfExportActive) {
res.setHeader('retry-after', '1');
return sendJson(res, 429, {
@@ -420,13 +428,7 @@ function createPlanCanvasServer({
}
pdfExportActive = true;
try {
if (req.method === 'POST') {
const body = await readJsonBody(req, MAX_PDF_SNAPSHOT_BYTES);
if (typeof body.html !== 'string' || !body.html.trim()) {
return sendJson(res, 400, { error: 'html snapshot is required' });
}
pdfSnapshot = { key: session.key, html: body.html };
}
pdfSnapshot = requestedSnapshot;
const pdf = await pdfExporter({
url: `http://${req.headers.host}/artifact/${session.key}/?pdf=1`,
artifactFile: session.file