A self-describing Value node (null/int/fixed/bool/str/list/object) with constructors, builders (Value.add/put) and accessors (get/at/count/kind/ as_int/as_str/…). Reflect.serialize(entity) walks an entity's whole component set into a value tree — one member per component, each a sub-object of its fields — and Reflect.apply(entity, value) writes one back; a fixed field becomes a fixed node, everything else an int node, so the round-trip is bit-exact, with the model id under "@kind". Json.encode/parse bridge the tree to and from compact, stable, diffable text, with fixed written as an exact terminating decimal that parses back bit-for-bit (verified across the raw Q16.16 range). Together: a one-call, bit-exact save/load for entities. Written in Ludic and spliced on demand (runtime/native/value.ludic + reflect_io.ludic, like Query/Light), so a program that doesn't touch Value.*/Json.*/Reflect.serialize compiles byte-identically and the C-free bootstrap fixpoint holds (verified). The general tagged-union/any language type stays tracked in #1; this ships the concrete value tree the serializer needs. Adds 21 namespace-method docs pages + Value/Json sections, examples/library/serialize.ludic, and a regression case. Whole CI set green: x test 72/72, x test-tools 30/30, check-impl/vocabulary/docs. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
3 lines
1.2 KiB
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3 lines
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bump: minor
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type: feat
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Generic value tree + reflection serialize/deserialize + JSON bridge (#44) — a self-describing `Value` node (null/int/fixed/bool/str/list/object) with constructors, builders (`Value.add`/`Value.put`) and accessors (`Value.get`/`Value.at`/`Value.count`/`Value.kind`/`Value.as_int`/`Value.as_str`/…). `Reflect.serialize(entity)` walks an entity's whole component set into a value tree (one member per component, each a sub-object of its fields) and `Reflect.apply(entity, value)` writes one back — a `fixed` field becomes a `fixed` node, everything else an `int` node, so the round-trip is bit-exact; the model id rides along under `"@kind"`. `Json.encode`/`Json.parse` bridge the tree to and from compact, stable, diffable JSON text, with `fixed` written as an exact terminating decimal that parses back bit-for-bit. Together they are a one-call save/load for entities and the backbone of data-driven tooling. Written in Ludic and spliced on demand (like Query/Light), so a program that doesn't touch `Value.*`/`Json.*`/`Reflect.serialize` compiles byte-identically and the C-free bootstrap fixpoint is untouched. The general tagged-union/`any` language type remains tracked in #1; this delivers the concrete value tree the serializer needs.
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