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docs: fold Unreleased into the 0.2.0 changelog entry #22

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psyinf merged 1 commit into from
Sep 21, 2026
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docs: fold Unreleased into the 0.2.0 changelog entry #22

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37 changes: 17 additions & 20 deletions CHANGELOG.md
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Expand Up @@ -7,7 +7,24 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

## [Unreleased]

## [0.2.0] - 2026-09-21

### Added
- **`JoinFilter<InputType, OutputType>`** — scatter-gather stage, the mirror of
`FanoutFilter` (N paths → 1 output). Scatters one message through N paths and
merges their gathered outputs via a C++ combiner; dropped paths leave holes
the combiner can see, and `Void`-terminated paths are rejected at
construction. `registerJoinFilter` builds one from JSON-configured paths.
- **`validateGraph(json)` / `Diagnostic`** — pre-flight config validation that
walks a JSON graph without running messages and returns all problems at once
(unknown/typo'd stage types with suggestions, structural mistakes, adjacent
leaf type mismatches, bad/missing config), each located by a JSON pointer.
Backed by new `FilterRegistry::contains` / `registeredNames`.
- **Text DSL front-end (`filterGraph::dsl`, `GraphLang.hpp`)** — parses a
named-edge graph description (`edge -> Stage -> edge`, reserved `in`/`out`/
`out.<key>`/`end`, fan-out by edge reuse, fan-in via `(a, b) -> Merge`,
ordered/keyed outputs, dead-ends) into a node/edge IR with line:col
diagnostics; `toMermaid` visualizes it. `DslFilterGraph` (below) runs it.
- **`DslFilterGraph<InputType, OutputType>`** (`DslFilterGraph.hpp`) — runs
graphs described in the text DSL, making it a first-class way to describe
runtime graphs. Executes named-edge graphs with fan-out (every reader gets a
Expand Down Expand Up @@ -172,26 +189,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
`dsl::parseGraphProgram`, except that it does not support parameters; the
tests check the two against each other.

## [0.2.0] - 2026-09-15

### Added
- **`JoinFilter<InputType, OutputType>`** — scatter-gather stage, the mirror of
`FanoutFilter` (N paths → 1 output). Scatters one message through N paths and
merges their gathered outputs via a C++ combiner; dropped paths leave holes
the combiner can see, and `Void`-terminated paths are rejected at
construction. `registerJoinFilter` builds one from JSON-configured paths.
- **`validateGraph(json)` / `Diagnostic`** — pre-flight config validation that
walks a JSON graph without running messages and returns all problems at once
(unknown/typo'd stage types with suggestions, structural mistakes, adjacent
leaf type mismatches, bad/missing config), each located by a JSON pointer.
Backed by new `FilterRegistry::contains` / `registeredNames`.
- **Text DSL front-end (`filterGraph::dsl`, `GraphLang.hpp`)** — parses a
named-edge graph description (`edge -> Stage -> edge`, reserved `in`/`out`/
`out.<key>`/`end`, fan-out by edge reuse, fan-in via `(a, b) -> Merge`,
ordered/keyed outputs, dead-ends) into a node/edge IR with line:col
diagnostics; `toMermaid` visualizes it. Text front-end only (execution is a
planned follow-up).

## [0.1.0]

### Added
Expand Down
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