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⚡ refactor encode engine to use iterative frame-based traversal with identity-based cycle detection #43

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Merged
techouse merged 3 commits into from
Feb 25, 2026
Merged

⚡ refactor encode engine to use iterative frame-based traversal with identity-based cycle detection #43

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a862a88
refactor(encode): optimize traversal internals and key-path handling
techouse Feb 25, 2026
397ff7b
test(encode): add regression coverage for edge cases and internals
techouse Feb 25, 2026
9dcc65d
docs(changelog): summarize 1.4.3-wip encode improvements
techouse Feb 25, 2026
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10 changes: 10 additions & 0 deletions CHANGELOG.md
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@@ -1,3 +1,13 @@
## 1.4.3-wip

* [CHORE] optimize `encode` traversal internals and hot paths with lower allocation overhead
* [CHORE] add internal `KeyPathNode` path caching for lazy materialization and dot-encoded path reuse
* [FIX] avoid `RecursionError` in deep key-path dot encoding by making `KeyPathNode.as_dot_encoded` iterative
* [FIX] ensure strict null handling applies RFC formatter behavior for bare-key output (e.g. RFC1738 space handling)
* [FIX] avoid mutating caller-owned root list/tuple elements when `EncodeOptions.filter` is callable
* [CHORE] remove unused `KeyPathNode.total_length` state to keep nodes lightweight
* [CHORE] expand encode regression and internal helper tests (path caching, list format generators, strict-null formatting, mutation safety)

## 1.4.2

* [CHORE] optimize `decode` by skipping dot-in-keys normalization when "%2" is not present in key segments
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