chore(main): release 0.0.842

[github-actions]

🤖 I have created a release beep boop

0.0.842 (2026-07-08)

Features

• add feature-gated profiler spans (#817) (b10f727)
• agents: generate .cursor/rules from the canonical .agents/rules (4afc8df)
• bench: renderer frame + engine-tick benches with a ratio-normalized gate (a5dd119)
• hooks: add lifecycle hooks for challenge, quality, session, and cleanup (3a0ec08)
• infra: dockerized headless test environment and GPU CI lane (313a434)
• render: env-selectable software fallback adapter (b0545a6)
• renderer: record begin/end frame timings and surface them via FFI (#682) (a524dc2)
• render: headless benchmarking support in NullBackend (a02d22f)
• rules: add discovery-first, challenge, compaction, and doc-standards rules (b44b9f2)
• skills: add skill validator, authoring standard, and four new skills (bf5e68c)
• verify: canonical verification gate shared by hooks and CI (c809985)
• verify: gate on the skill validator and hook test harness (598ab12)

Bug Fixes

• arch: classify jni/ and ui/ in the layer linter (1c5d118)
• bench: register pool and physics bench harnesses, refresh bench index (7f034c7)
• ci: bump rustls-webpki to 0.103.13 to clear RUSTSEC-2026-0098/0099/0104 (#683) (53247db), closes #599
• ci: clear clippy while_let_loop and yanked core2 advisory (1d70d0d)
• ci: ignore new upstream advisories RUSTSEC-2026-0097/0098/0099 (607967d)
• ci: repair benchmarks workflow, enable dotnet coverage, expand CODEOWNERS (c5db111)
• clippy: remove unused imports surfaced by the full gate (9b3c005)
• codex: drop --locked from cargo fetch in setup (e688e1c)
• deny: triage newly-surfaced dependency advisories (#704) (b8914a6)
• ffi: free component storage on despawn and reject stale-generation reads (e5f9900)
• ffi: purge the FFI component storage on despawn (correct storage layer) (c04d2f9)
• hooks: scan MultiEdit payloads, harden command guard, add fixtures (75af57a)
• hooks: scope the removal guard to system roots only (1840cbd)
• packaging: pack build/GoudEngine.targets into the NuGet package (#670) (d472a9d)
• render: move the force-fallback test module to end of file (7628f16)

Performance

• renderer3d: InstantiatePlane collapses identical plane primitives into one instanced draw (#679) (#685) (7ac30db)
• use FxHashMap for hot renderer3d-state and ECS World maps (147fbbf)
• wgpu: eliminate per-frame allocations in shadow pass (#684) (8e9795e)

Refactoring

• scripts: de-duplicate validators, fix portability, document scripts (80fb32b)

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[github-actions]

🤖 Created releases:

• v0.0.842

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