FE-515: Extract petrinaut demo-site into @apps/petrinaut-website by kube · Pull Request #8528 · hashintel/hash

kube · 2026-03-10T00:40:03Z

FE-515: Extract petrinaut demo-site into standalone website package

Extract the petrinaut demo-site into its own private package (@apps/petrinaut-website) so it can be developed, built, and deployed independently of the library.

🔍 What does this change?

New package apps/petrinaut-website/:

Private package (@apps/petrinaut-website) consuming @hashintel/petrinaut as a workspace dependency
Vite 8 + @typescript/native-preview for dev/build
All demo-site source moved here with imports rewritten from relative ../../src/ to @hashintel/petrinaut
Explicit CSS import (@hashintel/petrinaut/dist/main.css)

Changes to @hashintel/petrinaut:

Removed demo-site/ directory and vite.site.config.ts
Added exports: ErrorTrackerContext, ErrorTracker, convertOldFormatToSDCPN, isOldFormat, OldFormat
Removed build:site script, changed dev to vite build --watch
Moved @sentry/react and immer to the website package
Set sideEffects: ["*.css"] to prevent Webpack from tree-shaking CSS imports
Removed stale build:site task from turbo.json
Bundled Monaco Editor into the library (removed from externals), using selective imports (editor.api.js + typescript.contribution.js) to avoid bundling unnecessary language workers
Added define for process.versions to fix Monaco's runtime reference to Node globals
Switched simulation and language server workers to ?worker&inline imports
Fixed async worker initialization race conditions: added message queue for language client (messages sent before worker ready are now queued and drained), terminated flag to prevent leaking workers on unmount, and pendingInitRef cleanup for simulation worker
Switched worker event handlers from property assignment (worker.onmessage =) to addEventListener for eslint compliance
Extracted createSimulationWorker into its own module for clean test mocking

Changes to @hashintel/refractive:

Replaced Node.js canvas dependency with browser-native ImageData and document.createElement("canvas") APIs for SSR compatibility

Why ?worker&inline:

Vite library mode emits worker files as separate assets, but consuming apps (like @apps/petrinaut-website) don't copy those assets during their own build — the worker URLs resolve to 404s. This is a known Vite limitation with no clean fix. Using ?worker&inline inlines the compiled worker code as a raw JS string and creates a Blob URL at runtime, making workers fully self-contained in the library bundle. Since Vite 6+, inline workers use raw strings (not base64), so there is no encoding overhead.

Pre-Merge Checklist 🚀

🚢 Has this modified a publishable library?

This PR:

modifies an npm-publishable library and I have added a changeset file(s)

📜 Does this require a change to the docs?

The changes in this PR:

are internal and do not require a docs change

🕸️ Does this require a change to the Turbo Graph?

The changes in this PR:

do not affect the execution graph

❓ How to test this?

Run yarn dev in apps/petrinaut-website (after building petrinaut)
Confirm the demo site loads with styles and undo/redo working
Verify simulation and language server workers load without 404 errors

Closes FE-515

vercel · 2026-03-10T00:40:08Z

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
hash	Ready	Preview, Comment	Mar 13, 2026 2:50pm
hashdotdesign	Ready	Preview, Comment	Mar 13, 2026 2:50pm
hashdotdesign-tokens	Ready	Preview, Comment	Mar 13, 2026 2:50pm
petrinaut	Error	Comment	Mar 13, 2026 2:50pm

cursor · 2026-03-10T00:40:09Z

PR Summary

Medium Risk
Medium risk because it changes library bundling/exports and rewires Monaco + WebWorker loading (now ?worker&inline) which can affect consumer build/runtime behavior; also shifts demo dependencies into a new deployable app.

Overview
Extracts the Petrinaut demo site into a new private Vite app (@apps/petrinaut-website) with its own package.json, TS/ESLint config, Vercel scripts, and entrypoint updates (including importing @hashintel/petrinaut/dist/main.css and moving Sentry/Immer usage into the app).

Refactors @hashintel/petrinaut to be app-consumable by removing demo-site build plumbing, exporting additional public APIs (ErrorTrackerContext/types and old-format conversion helpers), marking CSS as a side effect for bundlers, and adjusting build config.

Hardens editor/worker runtime packaging by bundling Monaco via ESM imports + a dedicated editor worker, and by switching language-server and simulation workers to dynamic ?worker&inline creation with safer async lifecycle handling (termination guards, queued pre-init messages) plus updated tests to mock worker creation.

Drops Node canvas usage from @hashintel/refractive in favor of browser ImageData/DOM canvas APIs and removes the canvas dependency/external configuration.

^{Written by Cursor Bugbot for commit 2178aec. This will update automatically on new commits. Configure here.}

augmentcode · 2026-03-10T00:43:29Z

🤖 Augment PR Summary

Summary: Extracts the Petrinaut demo site into a standalone, private Vite app so it can be developed and deployed independently from the library.

Changes:

Introduces apps/petrinaut-website with its own package.json, tsconfig.json, ESLint config, and Vite build config
Moves the former demo-site/ sources into the new app and rewrites imports to consume @hashintel/petrinaut via workspace dependency
Updates Vercel install/build scripts and vercel.json to build/deploy the new website output (./dist)
Removes the demo-site directory/config from the @hashintel/petrinaut package (scripts, tsconfig, eslint config)
Expands Petrinaut’s public exports to include old-format conversion helpers and error tracker context/types
Updates simulation and language-server worker loading to use Vite inline-worker imports (?worker&inline)
Adjusts Monaco integration to use selective ESM imports and configures a Monaco worker loader
Adds a define shim for process.versions in the library build to satisfy Monaco/TS runtime references

Technical Notes: The worker-loading changes are aimed at avoiding missing-worker-asset failures when the library is consumed by another app build (e.g., Vite output not copying dependency worker assets).

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libs/@hashintel/petrinaut/package.json

kube · 2026-03-10T00:45:50Z

H-6327: Integrate Sentry feedback button into ViewportControls #8537
FE-515: Extract petrinaut demo-site into @apps/petrinaut-website #8528 👈 (View in Graphite)
H-5655: Refactor selection logic and migrate to @xyflow/react v12 #8523 : 1 other dependent PR (#8532 )
FE-225: Petrinaut: Setup rolldown-plugin-dts and update @typeScript/native-preview + vite #8509
FE-225, H-6116, H-6286: Update Petrinaut UI #8472 : 1 other dependent PR (#8463 )
H-5839, FE-488: Petrinaut: LSP-like interface for Diagnostics and Code Editor #8300
FE-223, H-5780, H-6227: Setup Petrinaut inside HASH + Build with Vite 8 and TypeScript 7 #8369
main

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libs/@hashintel/petrinaut/package.json

codspeed-hq · 2026-03-10T01:00:36Z

Merging this PR will not alter performance

✅ 80 untouched benchmarks

_{Comparing cf/petrinaut-extract-website (6398b7b) with cf/h-5655-refactor-selection-logic (70dc746)}

apps/petrinaut-website/package.json

github-actions · 2026-03-10T02:35:03Z

Benchmark results

@rust/hash-graph-benches – Integrations

policy_resolution_large

Function	Value	Mean	Flame graphs
resolve_policies_for_actor	user: empty, selectivity: high, policies: 2002	$$28.0 \mathrm{ms} \pm 172 \mathrm{μs}\left({\color{gray}0.350 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: low, policies: 1	$$3.55 \mathrm{ms} \pm 19.0 \mathrm{μs}\left({\color{gray}1.02 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: medium, policies: 1001	$$13.0 \mathrm{ms} \pm 97.2 \mathrm{μs}\left({\color{gray}-0.192 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: high, policies: 3314	$$44.4 \mathrm{ms} \pm 312 \mathrm{μs}\left({\color{gray}0.409 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: low, policies: 1	$$15.3 \mathrm{ms} \pm 114 \mathrm{μs}\left({\color{gray}-0.160 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: medium, policies: 1526	$$24.8 \mathrm{ms} \pm 158 \mathrm{μs}\left({\color{gray}-1.227 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: high, policies: 2078	$$28.8 \mathrm{ms} \pm 179 \mathrm{μs}\left({\color{gray}-0.900 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: low, policies: 1	$$3.85 \mathrm{ms} \pm 23.2 \mathrm{μs}\left({\color{gray}1.30 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: medium, policies: 1033	$$13.9 \mathrm{ms} \pm 107 \mathrm{μs}\left({\color{gray}-1.225 \mathrm{\%}}\right) $$	Flame Graph

policy_resolution_medium

Function	Value	Mean	Flame graphs
resolve_policies_for_actor	user: empty, selectivity: high, policies: 102	$$3.92 \mathrm{ms} \pm 23.7 \mathrm{μs}\left({\color{gray}0.161 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: low, policies: 1	$$3.09 \mathrm{ms} \pm 16.4 \mathrm{μs}\left({\color{gray}-0.087 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: medium, policies: 51	$$3.46 \mathrm{ms} \pm 18.1 \mathrm{μs}\left({\color{gray}0.128 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: high, policies: 269	$$5.32 \mathrm{ms} \pm 27.2 \mathrm{μs}\left({\color{gray}0.164 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: low, policies: 1	$$3.70 \mathrm{ms} \pm 23.7 \mathrm{μs}\left({\color{gray}1.23 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: medium, policies: 107	$$4.24 \mathrm{ms} \pm 19.3 \mathrm{μs}\left({\color{gray}-0.188 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: high, policies: 133	$$4.57 \mathrm{ms} \pm 32.2 \mathrm{μs}\left({\color{gray}-0.571 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: low, policies: 1	$$3.55 \mathrm{ms} \pm 19.9 \mathrm{μs}\left({\color{gray}0.295 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: medium, policies: 63	$$4.19 \mathrm{ms} \pm 32.3 \mathrm{μs}\left({\color{gray}-0.228 \mathrm{\%}}\right) $$	Flame Graph

policy_resolution_none

Function	Value	Mean	Flame graphs
resolve_policies_for_actor	user: empty, selectivity: high, policies: 2	$$2.81 \mathrm{ms} \pm 13.8 \mathrm{μs}\left({\color{gray}-0.036 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: low, policies: 1	$$2.78 \mathrm{ms} \pm 14.1 \mathrm{μs}\left({\color{gray}-0.358 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: medium, policies: 1	$$2.90 \mathrm{ms} \pm 14.7 \mathrm{μs}\left({\color{gray}0.062 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: high, policies: 8	$$3.15 \mathrm{ms} \pm 16.7 \mathrm{μs}\left({\color{gray}-0.350 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: low, policies: 1	$$2.96 \mathrm{ms} \pm 15.0 \mathrm{μs}\left({\color{gray}0.304 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: medium, policies: 3	$$3.26 \mathrm{ms} \pm 19.7 \mathrm{μs}\left({\color{gray}-0.374 \mathrm{\%}}\right) $$	Flame Graph

policy_resolution_small

Function	Value	Mean	Flame graphs
resolve_policies_for_actor	user: empty, selectivity: high, policies: 52	$$3.18 \mathrm{ms} \pm 16.5 \mathrm{μs}\left({\color{gray}0.608 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: low, policies: 1	$$2.89 \mathrm{ms} \pm 15.0 \mathrm{μs}\left({\color{gray}0.204 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: medium, policies: 25	$$3.05 \mathrm{ms} \pm 18.7 \mathrm{μs}\left({\color{gray}0.639 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: high, policies: 94	$$3.63 \mathrm{ms} \pm 22.3 \mathrm{μs}\left({\color{gray}0.376 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: low, policies: 1	$$3.16 \mathrm{ms} \pm 15.0 \mathrm{μs}\left({\color{gray}-0.505 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: medium, policies: 26	$$3.43 \mathrm{ms} \pm 17.1 \mathrm{μs}\left({\color{gray}-0.247 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: high, policies: 66	$$3.55 \mathrm{ms} \pm 17.9 \mathrm{μs}\left({\color{gray}-0.321 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: low, policies: 1	$$3.15 \mathrm{ms} \pm 20.6 \mathrm{μs}\left({\color{gray}0.285 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: medium, policies: 29	$$3.44 \mathrm{ms} \pm 19.7 \mathrm{μs}\left({\color{gray}-0.141 \mathrm{\%}}\right) $$	Flame Graph

read_scaling_complete

Function	Value	Mean	Flame graphs
entity_by_id;one_depth	1 entities	$$41.7 \mathrm{ms} \pm 176 \mathrm{μs}\left({\color{gray}0.628 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;one_depth	10 entities	$$79.5 \mathrm{ms} \pm 529 \mathrm{μs}\left({\color{gray}-0.251 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;one_depth	25 entities	$$45.5 \mathrm{ms} \pm 155 \mathrm{μs}\left({\color{gray}-0.573 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;one_depth	5 entities	$$48.7 \mathrm{ms} \pm 238 \mathrm{μs}\left({\color{gray}-0.101 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;one_depth	50 entities	$$56.2 \mathrm{ms} \pm 354 \mathrm{μs}\left({\color{gray}-2.785 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;two_depth	1 entities	$$43.5 \mathrm{ms} \pm 193 \mathrm{μs}\left({\color{gray}1.56 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;two_depth	10 entities	$$421 \mathrm{ms} \pm 958 \mathrm{μs}\left({\color{gray}-0.705 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;two_depth	25 entities	$$93.1 \mathrm{ms} \pm 430 \mathrm{μs}\left({\color{gray}-1.073 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;two_depth	5 entities	$$87.9 \mathrm{ms} \pm 336 \mathrm{μs}\left({\color{gray}0.043 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;two_depth	50 entities	$$285 \mathrm{ms} \pm 571 \mathrm{μs}\left({\color{gray}-1.215 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;zero_depth	1 entities	$$16.0 \mathrm{ms} \pm 91.3 \mathrm{μs}\left({\color{gray}-0.701 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;zero_depth	10 entities	$$15.8 \mathrm{ms} \pm 76.1 \mathrm{μs}\left({\color{gray}0.252 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;zero_depth	25 entities	$$16.2 \mathrm{ms} \pm 86.5 \mathrm{μs}\left({\color{gray}-0.876 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;zero_depth	5 entities	$$15.9 \mathrm{ms} \pm 81.6 \mathrm{μs}\left({\color{gray}-0.245 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;zero_depth	50 entities	$$19.0 \mathrm{ms} \pm 113 \mathrm{μs}\left({\color{gray}-0.160 \mathrm{\%}}\right) $$	Flame Graph

read_scaling_linkless

Function	Value	Mean	Flame graphs
entity_by_id	1 entities	$$15.8 \mathrm{ms} \pm 64.5 \mathrm{μs}\left({\color{gray}-0.700 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	10 entities	$$15.6 \mathrm{ms} \pm 73.0 \mathrm{μs}\left({\color{gray}-1.291 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	100 entities	$$15.8 \mathrm{ms} \pm 88.5 \mathrm{μs}\left({\color{gray}0.078 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	1000 entities	$$16.2 \mathrm{ms} \pm 75.4 \mathrm{μs}\left({\color{gray}-1.696 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	10000 entities	$$23.7 \mathrm{ms} \pm 153 \mathrm{μs}\left({\color{gray}-2.006 \mathrm{\%}}\right) $$	Flame Graph

representative_read_entity

Function	Value	Mean	Flame graphs
entity_by_id	entity type ID: `https://blockprotocol.org/@alice/types/entity-type/block/v/1`	$$31.3 \mathrm{ms} \pm 285 \mathrm{μs}\left({\color{gray}1.55 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: `https://blockprotocol.org/@alice/types/entity-type/book/v/1`	$$31.1 \mathrm{ms} \pm 366 \mathrm{μs}\left({\color{gray}-2.867 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: `https://blockprotocol.org/@alice/types/entity-type/building/v/1`	$$32.5 \mathrm{ms} \pm 234 \mathrm{μs}\left({\color{red}5.20 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: `https://blockprotocol.org/@alice/types/entity-type/organization/v/1`	$$31.7 \mathrm{ms} \pm 345 \mathrm{μs}\left({\color{gray}0.982 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: `https://blockprotocol.org/@alice/types/entity-type/page/v/2`	$$31.3 \mathrm{ms} \pm 301 \mathrm{μs}\left({\color{gray}1.37 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: `https://blockprotocol.org/@alice/types/entity-type/person/v/1`	$$31.6 \mathrm{ms} \pm 331 \mathrm{μs}\left({\color{gray}1.13 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: `https://blockprotocol.org/@alice/types/entity-type/playlist/v/1`	$$30.7 \mathrm{ms} \pm 340 \mathrm{μs}\left({\color{gray}-3.600 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: `https://blockprotocol.org/@alice/types/entity-type/song/v/1`	$$31.4 \mathrm{ms} \pm 295 \mathrm{μs}\left({\color{gray}0.157 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: `https://blockprotocol.org/@alice/types/entity-type/uk-address/v/1`	$$30.8 \mathrm{ms} \pm 327 \mathrm{μs}\left({\color{gray}-3.252 \mathrm{\%}}\right) $$	Flame Graph

representative_read_entity_type

Function	Value	Mean	Flame graphs
get_entity_type_by_id	Account ID: `bf5a9ef5-dc3b-43cf-a291-6210c0321eba`	$$9.15 \mathrm{ms} \pm 79.1 \mathrm{μs}\left({\color{red}5.61 \mathrm{\%}}\right) $$	Flame Graph

representative_read_multiple_entities

Function	Value	Mean	Flame graphs
entity_by_property	traversal_paths=0	0	$$90.6 \mathrm{ms} \pm 489 \mathrm{μs}\left({\color{gray}0.037 \mathrm{\%}}\right) $$
entity_by_property	traversal_paths=255	1,resolve_depths=inherit:1;values:255;properties:255;links:127;link_dests:126;type:true	$$144 \mathrm{ms} \pm 562 \mathrm{μs}\left({\color{gray}0.156 \mathrm{\%}}\right) $$
entity_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:0;links:0;link_dests:0;type:false	$$99.1 \mathrm{ms} \pm 558 \mathrm{μs}\left({\color{gray}1.37 \mathrm{\%}}\right) $$
entity_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:0;links:1;link_dests:0;type:true	$$107 \mathrm{ms} \pm 602 \mathrm{μs}\left({\color{gray}0.175 \mathrm{\%}}\right) $$
entity_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:2;links:1;link_dests:0;type:true	$$115 \mathrm{ms} \pm 528 \mathrm{μs}\left({\color{gray}0.029 \mathrm{\%}}\right) $$
entity_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:2;properties:2;links:1;link_dests:0;type:true	$$123 \mathrm{ms} \pm 513 \mathrm{μs}\left({\color{gray}0.471 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=0	0	$$89.0 \mathrm{ms} \pm 397 \mathrm{μs}\left({\color{gray}0.143 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=255	1,resolve_depths=inherit:1;values:255;properties:255;links:127;link_dests:126;type:true	$$117 \mathrm{ms} \pm 542 \mathrm{μs}\left({\color{gray}0.128 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:0;links:0;link_dests:0;type:false	$$96.2 \mathrm{ms} \pm 518 \mathrm{μs}\left({\color{gray}0.521 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:0;links:1;link_dests:0;type:true	$$105 \mathrm{ms} \pm 567 \mathrm{μs}\left({\color{gray}0.232 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:2;links:1;link_dests:0;type:true	$$107 \mathrm{ms} \pm 472 \mathrm{μs}\left({\color{gray}0.635 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:2;properties:2;links:1;link_dests:0;type:true	$$106 \mathrm{ms} \pm 411 \mathrm{μs}\left({\color{gray}0.084 \mathrm{\%}}\right) $$

scenarios

Function	Value	Mean	Flame graphs
full_test	query-limited	$$139 \mathrm{ms} \pm 473 \mathrm{μs}\left({\color{gray}4.84 \mathrm{\%}}\right) $$	Flame Graph
full_test	query-unlimited	$$140 \mathrm{ms} \pm 420 \mathrm{μs}\left({\color{gray}4.34 \mathrm{\%}}\right) $$	Flame Graph
linked_queries	query-limited	$$105 \mathrm{ms} \pm 522 \mathrm{μs}\left({\color{gray}-1.094 \mathrm{\%}}\right) $$	Flame Graph
linked_queries	query-unlimited	$$585 \mathrm{ms} \pm 3.52 \mathrm{ms}\left({\color{gray}0.569 \mathrm{\%}}\right) $$	Flame Graph

…config - Add message queue in useLanguageClient so messages sent before async worker init are drained once the worker is ready - Add terminated flag to both worker hooks to prevent leaking workers if the component unmounts before the dynamic import resolves - Reject pending init promise on teardown in useSimulationWorker - Switch worker.onmessage/onerror to addEventListener for eslint compliance - Extract createSimulationWorker into its own module for clean test mocking - Update test suite to use async mocks via vi.mock instead of vi.stubGlobal - Set sideEffects: ["*.css"] instead of false to prevent CSS tree-shaking - Remove stale build:site task from turbo.json Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

libs/@hashintel/petrinaut/src/simulation/worker/use-simulation-worker.ts

libs/@hashintel/petrinaut/src/lsp/worker/use-language-client.ts

cursor

Cursor Bugbot has reviewed your changes and found 1 potential issue.

There are 2 total unresolved issues (including 1 from previous review).

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libs/@hashintel/petrinaut/src/monaco/provider.tsx

graphite-app bot assigned kube Mar 10, 2026

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kube mentioned this pull request Mar 10, 2026

FE-225: Petrinaut: Setup rolldown-plugin-dts and update @typeScript/native-preview + vite #8509

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kube mentioned this pull request Mar 10, 2026

H-5655: Refactor selection logic and migrate to @xyflow/react v12 #8523

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kube changed the title ~~FE-225: Extract petrinaut demo-site into @apps/petrinaut-website~~ FE-??: Extract petrinaut demo-site into @apps/petrinaut-website Mar 10, 2026

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H-6327: Integrate Sentry feedback button into ViewportControls #8537

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FE-515: Extract petrinaut demo-site into standalone website package

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Merging this PR will not alter performance

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