Update Rust toolchains to nightly-2026-01-12

[hash-worker]

This PR contains the following updates:

Package	Update	Change
rust	major	2025-12-22 -> 2026-01-12

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[cursor]

PR Summary

Modernizes REST response handling and updates toolchain.

• Introduces BoxedResponse in rest/status.rs; updates status_to_response, report_to_response, and JSON extractor rejection to use it
• Refactors REST handlers across data_type, entity, entity_type, property_type, permissions, principal, and test-server to return BoxedResponse; cleans up related imports
• Adjusts RestApiStore::load_external_type and entity query helpers to return BoxedResponse
• Updates Rust toolchain to nightly-2026-01-12 and refreshes README badges

^{Written by Cursor Bugbot for commit d0e58c4. This will update automatically on new commits. Configure here.}

[augmentcode]

🤖 Augment PR Summary

Summary: Bumps the pinned Rust toolchain from nightly-2025-12-22 to nightly-2025-12-29.

Changes: Refreshes the error-stack documentation badges to reflect the new nightly date.

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[augmentcode]

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[codecov]

Codecov Report

❌ Patch coverage is 0% with 86 lines in your changes missing coverage. Please review.
✅ Project coverage is 59.02%. Comparing base (0e233cf) to head (d0e58c4).
⚠️ Report is 50 commits behind head on main.

Files with missing lines	Patch %	Lines
libs/@local/graph/api/src/rest/principal.rs	0.00%	15 Missing ⚠️
libs/@local/graph/api/src/rest/data_type.rs	0.00%	13 Missing ⚠️
libs/@local/graph/api/src/rest/entity_type.rs	0.00%	13 Missing ⚠️
libs/@local/graph/api/src/rest/property_type.rs	0.00%	12 Missing ⚠️
libs/@local/graph/api/src/rest/entity.rs	0.00%	10 Missing ⚠️
libs/@local/graph/api/src/rest/status.rs	0.00%	9 Missing ⚠️
libs/@local/graph/api/src/rest/permissions.rs	0.00%	8 Missing ⚠️
.../@local/graph/api/src/rest/entity_query_request.rs	0.00%	4 Missing ⚠️
libs/@local/graph/api/src/rest/json.rs	0.00%	1 Missing ⚠️
libs/@local/graph/api/src/rest/mod.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8235      +/-   ##
==========================================
- Coverage   59.02%   59.02%   -0.01%     
==========================================
  Files        1187     1187              
  Lines      112486   112493       +7     
  Branches     4939     4939              
==========================================
  Hits        66394    66394              
- Misses      45334    45341       +7     
  Partials      758      758              

Flag	Coverage Δ
apps.hash-ai-worker-ts	1.40% <ø> (ø)
apps.hash-api	0.00% <ø> (ø)
local.harpc-client	51.24% <ø> (ø)
local.hash-graph-sdk	10.88% <ø> (ø)
local.hash-isomorphic-utils	0.00% <ø> (ø)
rust.hash-graph-api	2.88% <0.00%> (-0.01%)	⬇️

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[indietyp]

• Update Rust toolchains to nightly-2026-01-12 #8235 👈 (View in Graphite)
• main

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[codspeed-hq]

Merging this PR will not alter performance

✅ 17 untouched benchmarks
🗄️ 12 archived benchmarks run¹

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_{Comparing deps/rs/rust-toolchains (d0e58c4) with main (2a2257a)}

Footnotes

1. 12 benchmarks were run, but are now archived. If they were deleted in another branch, consider rebasing to remove them from the report. Instead if they were added back, click here to restore them. ↩

[hash-worker]

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[github-actions]

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	$$26.1 \mathrm{ms} \pm 188 \mathrm{μs}\left({\color{lightgreen}-6.461 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: low, policies: 1	$$3.18 \mathrm{ms} \pm 13.8 \mathrm{μs}\left({\color{gray}-1.126 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: medium, policies: 1001	$$11.9 \mathrm{ms} \pm 60.8 \mathrm{μs}\left({\color{gray}-2.077 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: high, policies: 3314	$$42.1 \mathrm{ms} \pm 279 \mathrm{μs}\left({\color{gray}-0.265 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: low, policies: 1	$$14.3 \mathrm{ms} \pm 115 \mathrm{μs}\left({\color{gray}3.47 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: medium, policies: 1526	$$23.7 \mathrm{ms} \pm 144 \mathrm{μs}\left({\color{gray}1.36 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: high, policies: 2078	$$26.5 \mathrm{ms} \pm 182 \mathrm{μs}\left({\color{lightgreen}-38.888 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: low, policies: 1	$$3.56 \mathrm{ms} \pm 14.2 \mathrm{μs}\left({\color{lightgreen}-82.197 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: medium, policies: 1033	$$11.0 \mathrm{ms} \pm 75.1 \mathrm{μs}\left({\color{lightgreen}-63.428 \mathrm{\%}}\right) $$	Flame Graph

policy_resolution_medium

Function	Value	Mean	Flame graphs
resolve_policies_for_actor	user: empty, selectivity: high, policies: 102	$$3.68 \mathrm{ms} \pm 17.2 \mathrm{μs}\left({\color{gray}1.13 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: low, policies: 1	$$2.88 \mathrm{ms} \pm 18.5 \mathrm{μs}\left({\color{gray}-3.066 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: medium, policies: 51	$$3.37 \mathrm{ms} \pm 20.4 \mathrm{μs}\left({\color{gray}1.06 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: high, policies: 269	$$5.06 \mathrm{ms} \pm 31.8 \mathrm{μs}\left({\color{lightgreen}-6.561 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: low, policies: 1	$$3.38 \mathrm{ms} \pm 13.3 \mathrm{μs}\left({\color{gray}-1.369 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: medium, policies: 107	$$3.99 \mathrm{ms} \pm 19.8 \mathrm{μs}\left({\color{gray}-1.998 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: high, policies: 133	$$4.36 \mathrm{ms} \pm 30.5 \mathrm{μs}\left({\color{gray}3.80 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: low, policies: 1	$$3.39 \mathrm{ms} \pm 20.6 \mathrm{μs}\left({\color{red}5.04 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: medium, policies: 63	$$3.93 \mathrm{ms} \pm 21.0 \mathrm{μs}\left({\color{gray}2.57 \mathrm{\%}}\right) $$	Flame Graph

policy_resolution_none

Function	Value	Mean	Flame graphs
resolve_policies_for_actor	user: empty, selectivity: high, policies: 2	$$2.67 \mathrm{ms} \pm 10.9 \mathrm{μs}\left({\color{red}5.60 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: low, policies: 1	$$2.66 \mathrm{ms} \pm 13.4 \mathrm{μs}\left({\color{red}11.1 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: medium, policies: 1	$$2.74 \mathrm{ms} \pm 12.9 \mathrm{μs}\left({\color{red}11.3 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: high, policies: 8	$$2.85 \mathrm{ms} \pm 13.0 \mathrm{μs}\left({\color{gray}4.17 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: low, policies: 1	$$2.83 \mathrm{ms} \pm 13.8 \mathrm{μs}\left({\color{red}11.2 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: medium, policies: 3	$$3.02 \mathrm{ms} \pm 14.9 \mathrm{μs}\left({\color{gray}3.54 \mathrm{\%}}\right) $$	Flame Graph

policy_resolution_small

Function	Value	Mean	Flame graphs
resolve_policies_for_actor	user: empty, selectivity: high, policies: 52	$$2.89 \mathrm{ms} \pm 14.7 \mathrm{μs}\left({\color{gray}4.94 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: low, policies: 1	$$2.64 \mathrm{ms} \pm 13.4 \mathrm{μs}\left({\color{red}9.49 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: empty, selectivity: medium, policies: 25	$$2.83 \mathrm{ms} \pm 14.1 \mathrm{μs}\left({\color{red}9.00 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: high, policies: 94	$$3.26 \mathrm{ms} \pm 18.0 \mathrm{μs}\left({\color{red}5.03 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: low, policies: 1	$$2.89 \mathrm{ms} \pm 15.4 \mathrm{μs}\left({\color{red}8.65 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: seeded, selectivity: medium, policies: 26	$$3.05 \mathrm{ms} \pm 14.5 \mathrm{μs}\left({\color{red}5.60 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: high, policies: 66	$$3.09 \mathrm{ms} \pm 14.2 \mathrm{μs}\left({\color{gray}2.66 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: low, policies: 1	$$3.05 \mathrm{ms} \pm 17.6 \mathrm{μs}\left({\color{red}16.3 \mathrm{\%}}\right) $$	Flame Graph
resolve_policies_for_actor	user: system, selectivity: medium, policies: 29	$$2.96 \mathrm{ms} \pm 11.0 \mathrm{μs}\left({\color{gray}3.67 \mathrm{\%}}\right) $$	Flame Graph

read_scaling_complete

Function	Value	Mean	Flame graphs
entity_by_id;one_depth	1 entities	$$39.4 \mathrm{ms} \pm 181 \mathrm{μs}\left({\color{gray}2.84 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;one_depth	10 entities	$$76.5 \mathrm{ms} \pm 456 \mathrm{μs}\left({\color{gray}0.759 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;one_depth	25 entities	$$44.7 \mathrm{ms} \pm 235 \mathrm{μs}\left({\color{red}5.75 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;one_depth	5 entities	$$46.5 \mathrm{ms} \pm 257 \mathrm{μs}\left({\color{gray}2.67 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;one_depth	50 entities	$$54.6 \mathrm{ms} \pm 458 \mathrm{μs}\left({\color{gray}4.00 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;two_depth	1 entities	$$41.1 \mathrm{ms} \pm 211 \mathrm{μs}\left({\color{gray}2.80 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;two_depth	10 entities	$$420 \mathrm{ms} \pm 1.33 \mathrm{ms}\left({\color{gray}0.378 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;two_depth	25 entities	$$94.0 \mathrm{ms} \pm 470 \mathrm{μs}\left({\color{gray}-1.616 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;two_depth	5 entities	$$85.2 \mathrm{ms} \pm 472 \mathrm{μs}\left({\color{gray}0.097 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;two_depth	50 entities	$$281 \mathrm{ms} \pm 1.18 \mathrm{ms}\left({\color{gray}-2.536 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;zero_depth	1 entities	$$15.0 \mathrm{ms} \pm 163 \mathrm{μs}\left({\color{gray}3.80 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;zero_depth	10 entities	$$15.2 \mathrm{ms} \pm 113 \mathrm{μs}\left({\color{gray}1.83 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;zero_depth	25 entities	$$15.6 \mathrm{ms} \pm 112 \mathrm{μs}\left({\color{gray}2.84 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;zero_depth	5 entities	$$15.0 \mathrm{ms} \pm 154 \mathrm{μs}\left({\color{gray}1.86 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id;zero_depth	50 entities	$$18.4 \mathrm{ms} \pm 127 \mathrm{μs}\left({\color{gray}4.36 \mathrm{\%}}\right) $$	Flame Graph

read_scaling_linkless

Function	Value	Mean	Flame graphs
entity_by_id	1 entities	$$14.6 \mathrm{ms} \pm 74.7 \mathrm{μs}\left({\color{gray}0.834 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	10 entities	$$14.9 \mathrm{ms} \pm 85.0 \mathrm{μs}\left({\color{gray}1.35 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	100 entities	$$15.3 \mathrm{ms} \pm 116 \mathrm{μs}\left({\color{gray}4.35 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	1000 entities	$$15.8 \mathrm{ms} \pm 94.4 \mathrm{μs}\left({\color{red}5.05 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	10000 entities	$$22.2 \mathrm{ms} \pm 157 \mathrm{μs}\left({\color{gray}-0.983 \mathrm{\%}}\right) $$	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	$$30.2 \mathrm{ms} \pm 320 \mathrm{μs}\left({\color{gray}0.876 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/book/v/1	$$30.5 \mathrm{ms} \pm 343 \mathrm{μs}\left({\color{gray}0.999 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/building/v/1	$$30.8 \mathrm{ms} \pm 258 \mathrm{μs}\left({\color{gray}-0.044 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/organization/v/1	$$30.8 \mathrm{ms} \pm 334 \mathrm{μs}\left({\color{gray}3.73 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/page/v/2	$$30.1 \mathrm{ms} \pm 338 \mathrm{μs}\left({\color{gray}0.884 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/person/v/1	$$30.6 \mathrm{ms} \pm 287 \mathrm{μs}\left({\color{gray}1.98 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/playlist/v/1	$$29.7 \mathrm{ms} \pm 274 \mathrm{μs}\left({\color{gray}-3.208 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/song/v/1	$$30.3 \mathrm{ms} \pm 274 \mathrm{μs}\left({\color{gray}1.27 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/uk-address/v/1	$$29.7 \mathrm{ms} \pm 310 \mathrm{μs}\left({\color{gray}-2.547 \mathrm{\%}}\right) $$	Flame Graph

representative_read_entity_type

Function	Value	Mean	Flame graphs
get_entity_type_by_id	Account ID: bf5a9ef5-dc3b-43cf-a291-6210c0321eba	$$8.06 \mathrm{ms} \pm 38.7 \mathrm{μs}\left({\color{gray}-0.977 \mathrm{\%}}\right) $$	Flame Graph

representative_read_multiple_entities

Function	Value	Mean	Flame graphs
entity_by_property	traversal_paths=0	0	$$46.0 \mathrm{ms} \pm 273 \mathrm{μs}\left({\color{gray}-2.760 \mathrm{\%}}\right) $$
entity_by_property	traversal_paths=255	1,resolve_depths=inherit:1;values:255;properties:255;links:127;link_dests:126;type:true	$$97.8 \mathrm{ms} \pm 469 \mathrm{μs}\left({\color{gray}2.71 \mathrm{\%}}\right) $$
entity_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:0;links:0;link_dests:0;type:false	$$52.3 \mathrm{ms} \pm 285 \mathrm{μs}\left({\color{gray}0.009 \mathrm{\%}}\right) $$
entity_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:0;links:1;link_dests:0;type:true	$$62.5 \mathrm{ms} \pm 342 \mathrm{μs}\left({\color{gray}4.67 \mathrm{\%}}\right) $$
entity_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:2;links:1;link_dests:0;type:true	$$71.7 \mathrm{ms} \pm 411 \mathrm{μs}\left({\color{gray}3.60 \mathrm{\%}}\right) $$
entity_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:2;properties:2;links:1;link_dests:0;type:true	$$81.3 \mathrm{ms} \pm 428 \mathrm{μs}\left({\color{red}7.31 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=0	0	$$50.1 \mathrm{ms} \pm 251 \mathrm{μs}\left({\color{gray}0.311 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=255	1,resolve_depths=inherit:1;values:255;properties:255;links:127;link_dests:126;type:true	$$77.7 \mathrm{ms} \pm 408 \mathrm{μs}\left({\color{gray}1.38 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:0;links:0;link_dests:0;type:false	$$56.7 \mathrm{ms} \pm 348 \mathrm{μs}\left({\color{gray}1.51 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:0;links:1;link_dests:0;type:true	$$63.5 \mathrm{ms} \pm 339 \mathrm{μs}\left({\color{gray}-2.329 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:0;properties:2;links:1;link_dests:0;type:true	$$66.3 \mathrm{ms} \pm 387 \mathrm{μs}\left({\color{gray}-2.224 \mathrm{\%}}\right) $$
link_by_source_by_property	traversal_paths=2	1,resolve_depths=inherit:0;values:2;properties:2;links:1;link_dests:0;type:true	$$67.5 \mathrm{ms} \pm 310 \mathrm{μs}\left({\color{gray}2.05 \mathrm{\%}}\right) $$

scenarios

Function	Value	Mean	Flame graphs
full_test	query-limited	$$143 \mathrm{ms} \pm 613 \mathrm{μs}\left({\color{red}6.69 \mathrm{\%}}\right) $$	Flame Graph
full_test	query-unlimited	$$140 \mathrm{ms} \pm 473 \mathrm{μs}\left({\color{red}5.29 \mathrm{\%}}\right) $$	Flame Graph
linked_queries	query-limited	$$39.3 \mathrm{ms} \pm 188 \mathrm{μs}\left({\color{lightgreen}-16.860 \mathrm{\%}}\right) $$	Flame Graph
linked_queries	query-unlimited	$$550 \mathrm{ms} \pm 1.34 \mathrm{ms}\left({\color{lightgreen}-7.574 \mathrm{\%}}\right) $$	Flame Graph