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hemx/work/slices/SLICE-0003-keyed-regression-boundaries.md
slhx agent 53e4709bbd docs(work): close keyed regression slice
Record generated-resource assertion evidence for SLICE-0003.
2026-06-26 00:36:21 +02:00

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Markdown

---
id: SLICE-0003
type: slice
status: done
parent: NS-0001
title: Protect keyed collection regressions with generated-resource assertions
refs:
- REQUIREMENTS.md
- examples/html_examples/src/main.rs
- hemx-test/src/lib.rs
---
## Objective
Make keyed list regressions easy to catch without raw selector or raw effect coupling: tests should assert generated resource behavior for remove, replace, and append paths.
## Authority
`REQUIREMENTS.md` `list/006`, `test/008`, `test/009`, `test/010`, and `test/017` constrain keyed collection behavior and test diagnostics.
## Close when
- Filtered keyed collections are tested for removing filtered-out keys, replacing retained keys, and appending newly visible keys.
- Assertions use generated resource helpers or `hemx_test` inspection adapters, not raw runtime ids as app-facing API.
- Failure messages name generated resources where practical.
## Verification
- `cargo test -p hemx-html-examples`
- `cargo test -p hemx-test --test inspector`
- `cargo run -p hemx-xtask -- html-examples-smoke`
## Non-goals
- Do not add app authoring APIs for selectors or raw runtime ids.
- Do not test private runtime payload layout unless the slice changes wire semantics.
## Evidence
Done at HEAD `2122b3c`: `cargo test -p hemx-html-examples` covers active-search keyed remove/replace/append behavior through generated `gallery::search_result` assertions, `cargo test -p hemx-test --test inspector` covers rendered target/handle helper diagnostics with generated names, and `cargo run -p hemx-xtask -- html-examples-smoke` covers the browser active-search path. No app-facing selector/raw-id API was added.