feat: implement threading model declaration host function (US-118)#104
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tervezo-ai[bot] merged 1 commit intomainfrom Mar 13, 2026
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Add ThreadingHost struct with immutability enforcement, parallel-required warning, cooperative logging, and queryable state. Update HostState impl to reject double declarations and emit appropriate log levels per model. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Reviewed and merged 6 PRs, closed 1 as superseded: - PR #103: fix schedule script URL prefix and non-JSON responses - PR #1: wasmtime 41.0.3 → 41.0.4 security bump - PR #99: Postgres database proxy integration tests (US-114) - PR #101: signal handling integration tests (US-110) - PR #104: threading model declaration host function (US-118) - PR #102: MySQL and Redis Wasm integration tests (US-117) - PR #100: closed as superseded by #103 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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PRs #101 (signals) and #104 (threading) introduced a merge conflict that GitHub's auto-merge didn't catch: HostState's `signal_queue: Vec<_>` field was renamed to `signals: SignalsHost` by #101, but #104's tests still used the old field name, preventing compilation. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
ThreadingHoststruct incrates/warpgrid-host/src/threading/host.rsfollowing the established shim pattern (signals, filesystem, dns)threading.rsstub to module directory (threading/mod.rs+threading/host.rs)HostStateHosttrait impl inengine.rswith:Err("threading model already declared")on double-calltracing::warn!whenParallelRequiredis declaredtracing::info!whenCooperativeis declaredThreadingHostprovides queryable state viathreading_model()getterTest coverage
threading/host.rs: construction, both enum variants, double-declaration error, model preservationengine.rs:threading_model_parallel_required_succeeds,threading_model_double_declaration_errorsTest plan
cargo check -p warpgrid-hostcompilescargo test -p warpgrid-host— 355 tests passcargo clippy -p warpgrid-host -- -D warnings— no warningsView implementation in Tervezo