feat(protocol): update WhatsApp snapshot and compact codegen by jlucaso1 · Pull Request #1827 · oxidezap/whatsapp-rust

jlucaso1 · 2026-11-01T02:39:21Z

Update WhatsApp from 2.3000.1047483476 to 2.3000.1052559453 using whatspec IR 4.5.0, and reduce the source and fixture cost of future upgrades. Pin integrated whatspec main commit ae3880925bacd23863cc30ec480c9f82bfd869f1, merged by oxidezap/whatspec#65. Its complete tree is identical to the qualified head afa3e343; the upstream dependency is resolved.

The cleanup reduces this upgrade's source-tree growth from 1,332,237 to 57,146 bytes (95.7%) and the PR from 102 to 92 files. The one-time WAM representation rewrite increases gross patch churn, detailed below.

Regenerate all 24 artifacts. Adapt exclusive IQ alternatives and group RPC modules; preserve handwritten support when a client builder disappears.
Preserve group warning/error/read order, null results and source-node alignment. Read participant history without the old CREATE flag and use the effective account window directly.
Keep the frozen protobuf API through guarded string/fixed32 wallpaper wire dispatch. Preserve the historical MEX query, 12 MEX field/list shapes, two WAM events, five WAM enums, 32 WAM fields, 26 platform variants and 82 public flag imports.
Keep all useful current captures and compatibility regressions. Remove ten unconsumed historical fixtures, two task reports and duplicate unused evidence. All ten historical files were byte-identical to the corresponding baseline files; no code/test consumer remains. Historical public contracts stay covered by focused compilation, serialization and wire regressions.
Share 28 observed normalization outcomes across all 204 inputs. The complete expanded oracle must retain canonical SHA-256 5d114fc5756c40cbe15fd221c0f40896e02087aec2cdfb5a30dd39887a9c25d5. Payloads, reads, warnings and case order are retained; a mutation regression rejects changed observations, invalid references or lost cases.
Emit one normalization test executor and private const constructors for WAM parity metadata. Every public CALL_SITES value was compared equal to 9ecd1fb5 using the existing derived equality, including every event/code/field/site/module/partiality/write kind. The data and public types are unchanged.

Audit against baseline 0d1373a8, with 9ecd1fb5 as the pre-cleanup checkpoint:

Measure	Before cleanup	After cleanup
PR files	102	92
Added lines	45,732	45,423
Deleted lines	5,862	58,734
Net lines	+39,870	-13,311
Gross changed lines (adds + deletes)	51,594	104,157
Source-tree growth	+1,332,237 B	+57,146 B

The upgrade's source-tree growth is 95.7% lower: 1,275,091 bytes removed from the current tree. This does not measure Git pack size, runtime memory or binary size. The first WAM representation migration rewrites existing rows, so this PR's gross patch churn increases even though net lines and the final source tree shrink. Future captures use the compact emitter directly; this is a one-time representation migration. Earlier committed bytes remain in Git history; no history rewrite or force-push was used. Identical historical blobs may already have been deduplicated by Git.

Main consolidation	Before	After
WAM parity source	1,752,293 B / 57,670 lines	919,994 B / 20,226 lines
Generated normalization test	168,549 B / 4,480 lines	21,732 B / 752 lines
Complete normalization oracle	109,923 B / 5,500 lines	22,473 B / 844 lines
Ten unused historical fixtures	155,773 B	removed
Two task reports	38,508 B	removed

Future upgrades reuse the current fixture paths, shared outcome table and test executor. They do not copy a complete prior snapshot or add task chronology to product sources. The operational capture lock retains immutable upstream evidence and archive URLs/digests; regular tests and generation can use the pinned local IR without network. No whatspec changes were needed for this cleanup.

Reproduce:

cargo run -p whatspec-codegen -- --check --from ../whatspec/generated --verify-iq-contextual ../whatspec/generated
node tools/whatspec-codegen/fixtures/capture-group-normalization.cjs ../whatspec --check
cargo nextest run -p whatspec-codegen
cargo nextest run -p wacore --lib stanza::groups
cargo nextest run -p whatsapp-rust-wam-catalog --features parity

Local validation: 151 generator tests, 86 group tests, 21 catalog tests plus the one-off full old/new parity equality comparison, deterministic regeneration, capture reproduction and all-target generator/catalog Clippy passed. The capture digest regression also passed with serde_json/preserve_order enabled; object keys are explicitly canonicalized. The independent original-JS harness still reproduces 64 actions, 29 envelopes, 13 CREATE and 204 normalization cases, rejecting eight IR mutations. The main CI job passed 7,908 tests (41 skipped), 18 focused persistence tests and doctests. Remaining CI/reviews are being validated on c6b27efc1d56625829f9c0caa0228b66377af177; results from earlier heads are historical. No authenticated WhatsApp session was exercised.

Binary-size qualification before cleanup was stripped +60.25 KiB and text +59.31 KiB against 0d1373a8 with identical rustc; most growth was protobufs (waproto +51,186 B). The existing size-increase-ok policy applies; global budgets are unchanged. Source compaction is not a binary-size or performance claim.

Performance qualification remains separate and unresolved. Pre-cleanup CodSpeed run 6ae6e99f reported connect_to_ready 175.6 → 206.1 ms modeled CPU (-14.77% reported efficiency), with different hardware and significant excluded syscall time. A slower profile included ~21.4 ms of prekey/session and AppState key-share work absent from a faster upgraded sample; causality and production latency are not established. Pulling the exact image ghcr.io/whiskeysockets-devtools/bartender@sha256:9f3a49dd9f944414fbda50571bba5f66f2ab6fdc48001e6803d4c09a1042c78e returned registry DENIED; no image or container was obtained. Existing credentials lack read:packages, and the authorized CI workflow has no paired walltime comparison input. No credentials were expanded, denied access retried, alternate image used, alert waived or threshold changed. Controlled base/head walltime on an already-authorized executor remains required.

Current-head CodSpeed run 6ae728b523410ee24cdcd569 completed SUCCESS at c6b27efc1d56625829f9c0caa0228b66377af177: zero regressions, four improvements and 940 unchanged comparisons. connect_to_ready is 176.543 ms modeled CPU versus 175.633 ms in the base, classified unchanged; 549 syscalls and 9.564 s of syscall time are excluded. The four walltime improvements crossed different hardware and are not attributed to this patch. The historic 206–208 ms observation did not recur in this run; this does not establish causality or controlled production latency. No threshold, archive state or alert acknowledgment changed. The source-size reductions above are measured independently of performance.

The first all-feature job (124839539048) failed because GitHub reported that the hosted runner lost communication during the build; its build step has no completion and the log blob is unavailable. The single isolated retry job 124851629256 passed the build, Clippy and every shareable-feature test. No code, resources or validation criteria were changed for the retry.

Keep draft pending final-head validation, human review and controlled performance qualification. No core merge, release or deployment.

Reproduce the one-off complete WAM representation comparison

This checks the migration without retaining a second catalog snapshot in the repository or adding network-dependent tests. In a checkout containing ancestor 9ecd1fb51a7227cccd5f87d931399e87bb9791e2, extract its source to plugins/wam-catalog/tests/migration/before.rs:

git show 9ecd1fb51a7227cccd5f87d931399e87bb9791e2:plugins/wam-catalog/src/call_sites.rs

Temporarily create plugins/wam-catalog/tests/compare_parity.rs:

#![cfg(feature = "parity")]
use whatsapp_rust_wam_catalog::{CallSite, CallSiteField, CatalogField, EventCallSites, FieldWrite};
#[path = "migration/before.rs"]
mod before;
#[test]
fn all_parity_metadata_is_identical() {
    assert_eq!(before::CALL_SITES, whatsapp_rust_wam_catalog::call_sites::CALL_SITES);
}

Run cargo nextest run -p whatsapp-rust-wam-catalog --features parity --test compare_parity, then discard only these temporary comparison files. The permanent catalog tests and current generated metadata remain; no previous snapshot is added to normal tests.

File-by-file inventory and disposition (104 path identities, including both sides of two original renames)

Compared with pre-cleanup 9ecd1fb5. Lines and bytes are complete file sizes, not patch counts. Paths that were already absent at that checkpoint show zero. CG/ means tools/whatspec-codegen/; GR/ means wacore/src/stanza/groups/.

K: Keep consumed output or focused regression. P: Keep historical public API and identity guards. G: Keep generator/lock and drift guards. D: Keep permanent compact-upgrade instructions. W: Compact WAM representation; identical typed metadata. O: Share outcomes; preserve all 204 cases and canonical digest. T: One table/executor; preserve assertions. L: Keep compact operational source lock. H: Remove unconsumed baseline duplicate. R: Remove task report; summary retained here. U: Remove redundant unused evidence. X: Replace obsolete standalone oracle with current complete matrix.

File	Role	Lines before → after	Bytes before → after	Decision
`Cargo.lock`	tooling lock	5977 → 5977	143669 → 143669	K
`agent_docs/codegen.md`	documentation	133 → 144	8758 → 9563	D
`plugins/wam-catalog/src/call_sites.rs`	consumed generated	57670 → 20226	1752293 → 919994	W
`plugins/wam-catalog/src/generated.rs`	consumed generated	86175 → 86175	3596373 → 3596373	K
`plugins/wam-catalog/src/lib.rs`	runtime/compatibility	756 → 756	27920 → 27927	K
`plugins/wam-catalog/src/tests.rs`	test	539 → 539	19353 → 19353	K
`plugins/wam-catalog/src/unlisted.rs`	runtime/compatibility	337 → 337	10719 → 10719	P
`src/appstate_known_verbs.rs`	consumed generated	82 → 82	2914 → 2914	K
`src/features/group_history.rs`	runtime/compatibility	1415 → 1415	54857 → 54843	K
`CG/Cargo.toml`	tooling lock	29 → 29	1257 → 1257	G
`CG/fixtures/accept_group_add.json`	fixture	168 → 168	4043 → 4043	K
`CG/fixtures/capture-group-normalization.cjs`	fixture	18 → 43	1149 → 2597	K
`CG/fixtures/contextual_iq.json`	fixture	3548 → 3548	114116 → 114116	K
`CG/fixtures/group_actions_oracle.json`	fixture	2935 → 2935	74765 → 74765	K
`CG/fixtures/group_create_oracle.json`	fixture	869 → 869	23464 → 23464	K
`CG/fixtures/group_envelope.json`	fixture	555 → 555	13039 → 13039	K
`CG/fixtures/group_envelope_oracle.json`	fixture	2842 → 2842	57226 → 57226	K
`CG/fixtures/group_link.json`	fixture	126 → 126	2953 → 2953	K
`CG/fixtures/group_link_evidence.json`	fixture	301 → 8	10605 → 637	L
`CG/fixtures/group_link_oracle.json`	removed fixture/report	0 → 0	0 → 0	X
`CG/fixtures/group_normalization_oracle.json`	fixture	5500 → 844	109923 → 22473	O
`CG/fixtures/group_qualification_review.json`	removed fixture/report	326 → 0	14731 → 0	R
`CG/fixtures/group_unlink.json`	fixture	304 → 304	7112 → 7112	K
`CG/fixtures/group_unlink_evidence.json`	removed fixture/report	301 → 0	10605 → 0	U
`CG/fixtures/group_unlink_oracle.json`	removed fixture/report	0 → 0	0 → 0	X
`CG/fixtures/groups/versions/2.3000.1047483476/group_actions_oracle.json`	removed fixture/report	2931 → 0	74603 → 0	H
`CG/fixtures/groups/versions/2.3000.1047483476/group_create_oracle.json`	removed fixture/report	537 → 0	14501 → 0	H
`CG/fixtures/groups/versions/2.3000.1047483476/group_envelope.json`	removed fixture/report	555 → 0	13039 → 0	H
`CG/fixtures/groups/versions/2.3000.1047483476/group_envelope_oracle.json`	removed fixture/report	982 → 0	27119 → 0	H
`CG/fixtures/groups/versions/2.3000.1047483476/group_link.json`	removed fixture/report	119 → 0	2800 → 0	H
`CG/fixtures/groups/versions/2.3000.1047483476/group_link_evidence.json`	removed fixture/report	28 → 0	1182 → 0	H
`CG/fixtures/groups/versions/2.3000.1047483476/group_link_oracle.json`	removed fixture/report	534 → 0	10886 → 0	H
`CG/fixtures/groups/versions/2.3000.1047483476/group_unlink.json`	removed fixture/report	283 → 0	6611 → 0	H
`CG/fixtures/groups/versions/2.3000.1047483476/group_unlink_evidence.json`	removed fixture/report	29 → 0	1269 → 0	H
`CG/fixtures/groups/versions/2.3000.1047483476/group_unlink_oracle.json`	removed fixture/report	199 → 0	3763 → 0	H
`CG/fixtures/mex-retained-shapes.json`	fixture	154 → 154	3531 → 3531	P
`CG/fixtures/snapshot-upgrade-1052559453.evidence.json`	removed fixture/report	377 → 0	23777 → 0	R
`CG/fixtures/wam-retained-fields.json`	fixture	186 → 186	4157 → 4157	P
`CG/fixtures/wam-retained-variants.json`	fixture	115 → 115	1976 → 1976	P
`CG/iq-contextual.lock.json`	tooling lock	6 → 6	284 → 284	K
`CG/src/emit/abprops.rs`	generator	424 → 424	14478 → 14478	G
`CG/src/emit/community_create.rs`	generator	262 → 262	10551 → 10551	G
`CG/src/emit/group_actions_conformance.rs`	generator	482 → 482	18539 → 18539	G
`CG/src/emit/group_create_conformance.rs`	generator	497 → 497	18153 → 18153	G
`CG/src/emit/group_envelope_conformance.rs`	generator	389 → 389	14557 → 14557	G
`CG/src/emit/group_envelope_normalization.rs`	generator	345 → 345	15213 → 15213	G
`CG/src/emit/group_link_normalization.rs`	generator	5 → 5	214 → 214	G
`CG/src/emit/group_normalization.rs`	generator	543 → 652	20507 → 24217	G
`CG/src/emit/iq_conformance.rs`	generator	231 → 231	8496 → 8496	G
`CG/src/emit/iq_contextual.rs`	generator	151 → 151	5334 → 5334	G
`CG/src/emit/iq_pilots.rs`	generator	559 → 559	21415 → 21415	G
`CG/src/emit/iq_targets.rs`	generator	296 → 296	10616 → 10616	G
`CG/src/emit/mex.rs`	generator	672 → 672	25528 → 25528	G
`CG/src/emit/wam.rs`	generator	790 → 786	31753 → 31993	G
`CG/src/ir.rs`	generator	548 → 548	16873 → 16873	G
`CG/src/main.rs`	generator	783 → 783	29458 → 29458	G
`CG/src/source.rs`	generator	389 → 389	14031 → 14031	G
`CG/tests/committed_artifacts.rs`	test	138 → 138	5211 → 5211	K
`CG/tests/fixtures/community_create.json`	fixture	571 → 571	17137 → 17137	K
`CG/whatspec.lock.json`	tooling lock	22 → 22	1666 → 1666	K
`wacore/appstate/src/schemas.rs`	consumed generated	1771 → 1771	55014 → 55014	K
`wacore/src/companion_reg.rs`	runtime/compatibility	547 → 547	19285 → 19285	K
`wacore/src/history_sync.rs`	runtime/compatibility	5377 → 5377	222650 → 222650	K
`wacore/src/iq/abprops.rs`	consumed generated	23596 → 23596	920272 → 920272	K
`wacore/src/iq/community_create.rs`	consumed generated	39 → 39	1443 → 1443	K
`wacore/src/iq/contextual.rs`	consumed generated	3035 → 3035	169773 → 169773	K
`wacore/src/iq/join_shapes.rs`	consumed generated	40 → 40	1816 → 1816	K
`wacore/src/iq/mex_operations.rs`	consumed generated	14285 → 14285	561991 → 561991	K
`wacore/src/iq/mex_operations_unlisted.rs`	runtime/compatibility	546 → 546	21047 → 21047	P
`wacore/src/iq/pilot_conformance.rs`	test	95 → 95	3929 → 3929	K
`wacore/src/iq/pilots.rs`	consumed generated	81 → 81	2228 → 2228	K
`wacore/src/iq/props.rs`	runtime/compatibility	1569 → 1569	54287 → 54287	P
`wacore/src/iq/targets.rs`	consumed generated	54 → 54	3013 → 3013	K
`wacore/src/proto_helpers.rs`	runtime/compatibility	2876 → 2876	111168 → 111168	K
`wacore/src/stanza/groups.rs`	runtime/compatibility	2143 → 2143	83702 → 83702	K
`GR/actions_conformance.rs`	test	2532 → 2532	102884 → 102884	K
`GR/actions_normalized.rs`	runtime/compatibility	1080 → 1080	40752 → 40822	K
`GR/actions_oracle_projection.rs`	test	259 → 259	9628 → 9628	K
`GR/create_conformance.rs`	test	2847 → 2847	95702 → 95702	K
`GR/create_normalized.rs`	runtime/compatibility	648 → 648	25000 → 25063	K
`GR/envelope_conformance.rs`	test	2077 → 2077	73421 → 73421	K
`GR/envelope_generated.rs`	consumed generated	234 → 234	8843 → 8843	K
`GR/link_generated.rs`	consumed generated	54 → 54	3038 → 3038	K
`GR/link_normalized.rs`	runtime/compatibility	149 → 149	5561 → 5561	K
`GR/normalization_conformance.rs`	test	4480 → 752	168549 → 21732	T
`GR/normalization_warning.rs`	runtime/compatibility	164 → 164	5810 → 5810	K
`GR/normalized.rs`	runtime/compatibility	607 → 607	22587 → 22587	K
`GR/normalized_notification.rs`	runtime/compatibility	185 → 185	7461 → 7461	K
`GR/unlink_generated.rs`	consumed generated	164 → 164	7756 → 7756	K
`wacore/src/stanza/wire_tags.rs`	consumed generated	111 → 111	2753 → 2753	K
`wacore/src/types/wire_enums.rs`	consumed generated	216 → 216	5941 → 5941	K
`wacore/src/version/generated.rs`	consumed generated	12 → 12	550 → 550	K
`wacore/tests/abprops_retained.rs`	test	111 → 111	5698 → 5698	K
`wacore/tests/context_info.rs`	test	388 → 388	13677 → 13677	K
`wacore/tests/mex_retained.rs`	test	80 → 80	2909 → 2909	K
`wacore/tests/props_stream_memory.rs`	test	296 → 296	12563 → 12563	K
`waproto/build.rs`	generator	503 → 503	20846 → 20846	K
`waproto/build_support/emission.rs`	generator	728 → 728	30833 → 30833	K
`waproto/build_support/wallpaper.rs`	generator	223 → 223	8305 → 8305	K
`waproto/src/whatsapp.desc`	consumed generated	62577 → 62577	686961 → 686961	K
`waproto/src/whatsapp.desc.sha256`	consumed generated	2 → 2	141 → 141	K
`waproto/src/whatsapp.proto`	consumed generated	8183 → 8183	242559 → 242559	K
`waproto/tests/generated_api.rs`	test	345 → 345	13020 → 13020	K
`waproto/tests/retained_schema.rs`	test	106 → 106	4501 → 4501	K

coderabbitai · 2026-11-01T02:39:31Z

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greptile-apps · 2026-11-01T02:41:36Z

Confidence Score: 5/5

[High impact] No blocking code issue was found in this re-review; the PR’s stated validation and performance gates remain separate merge requirements.

Summary

Updates the WhatsApp snapshot and reduces repeated generated code and fixtures.

WhatsApp protocol definitions and generated Rust types match the newer snapshot.
Group notifications preserve action order and report unknown LINK and UNLINK types.
Upgrade fixtures and generated tests reuse shared observations instead of repeated snapshots.
Older public telemetry, request, and wallpaper contracts remain usable alongside the newer capture.

_{Reviews (13) · Last reviewed commit: "[autofix.ci] apply automated fixes" · Reviewed by Greptile}

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All reported issues were addressed across 13 files

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All reported issues were addressed across 2 files (changes from recent commits).

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0 issues found across 1 file (changes from recent commits).

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github-actions · 2026-11-01T02:50:38Z

📦 Binary size report

Metric	main	PR	Δ
bin size (stripped)	11.37 MiB	11.43 MiB	+60.25 KiB (+0.52%) 🔺
bin .text	9.18 MiB	9.24 MiB	+59.31 KiB (+0.63%) 🚨
bin allocated (text+data+bss)	11.37 MiB	11.43 MiB	+59.94 KiB (+0.51%) 🔺
deps crates (Cargo.lock)	573	573	0

Heavy diagnostics were omitted from this gate-only measurement. The size gate uses the linked binary measurements above.

🚨 Per-PR size budget exceeded (Δ stripped ≤ 64.00 KiB, Δ .text ≤ 32.00 KiB):

bin .text: +59.31 KiB (+0.63%) exceeds the 32.00 KiB per-PR budget

The size-increase-ok label is set, so the gate is not enforced for this PR.

Baseline: 0d1373a8f · Head: c6b27efc1 · Graphs

codspeed · 2026-11-01T03:09:30Z

Merging this PR will improve performance by 78.25%

3 warnings

⚠️ Walltime results may be unreliable

Some benchmarks used the Walltime instrument outside CodSpeed Macro Runners, which can make the results inconsistent.

Learn more about Macro Runners

See affected benchmarks

⚠️ 136 benchmarks are dominated by system calls

System calls cannot be simulated consistently and are left out of the measure. The reported value understates the real cost. Switch to the Walltime instrument to measure them.

Learn more about system calls

See affected benchmarks

⚠️ 4 benchmarks with a significant change ran on different hardware

Their base and head results were measured on machines with a different CPU, core count or memory, so the changes might not come from the code. Run base and head on the same runner type.

Learn more about Macro Runners

See affected benchmarks

⚡ 4 improved benchmarks
✅ 920 untouched benchmarks
⏩ 20 skipped benchmarks¹

Performance Changes

	Mode	Benchmark	`BASE`	`HEAD`	Efficiency
⚡	Walltime	`four_external_blobs[65536]`	469.9 µs	207.4 µs	×2.3
⚡	Walltime	`eight_clients[65536]`	3.1 ms	1.8 ms	+70.6%
⚡	Walltime	`four_external_blobs[1048576]`	5.4 ms	3.2 ms	+66.57%
⚡	Walltime	`eight_clients[1048576]`	42.9 ms	27.3 ms	+56.82%

Tip

Curious why performance improved? Comment @codspeedbot explain why performance improved on this PR, or directly use the CodSpeed MCP with your agent.

_{Comparing feat/whatspec-23000-1052559453 (c6b27ef) with main (0d1373a)}

20 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

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_{Requires human review: Regenerates WhatsApp protocol artifacts from a new whatspec pin and changes group-history, CREATE, LINK/UNLINK, and IQ error handling; unresolved dismissed findings on fixture requalification and evidence reproducibility leave decisive claims unverified.

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_{Requires human review: Regenerates WhatsApp protocol artifacts from a new pinned whatspec rev; group-history retrieval, group-notification/error contracts and runtime performance change, and the delta only canonicalizes the oracle, so human sign-off is required.

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jlucaso1 · 2026-11-01T12:44:42Z

@codex review

chatgpt-codex-connector · 2026-11-01T12:44:59Z

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-11-01T13:42:36.527805Z	`c6b27ef`	Draft marked ready
🔒 Security Review	✅ Completed 2026-11-01T13:44:25.329059Z	`c6b27ef`	Draft marked ready

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chatgpt-codex-connector · 2026-11-01T12:46:41Z

Codex Review: Didn't find any major issues. Nice work!

Reviewed commit: c6b27efc1d

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Open a pull request for review
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chore(codegen): prepare WhatsApp 2.3000.1052559453 snapshot integration

fbfb307