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matt-beanland merged 2 commits into from
May 6, 2026
Merged

105 latest ash neo4j #109

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73d5da3
tests use sandbox
matt-beanland May 6, 2026
199b8dc
ash_neo4j and bolty bump
matt-beanland May 6, 2026
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95 changes: 49 additions & 46 deletions CHANGELOG.md
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Expand Up @@ -11,87 +11,90 @@ See [Conventional Commits](Https://conventionalcommits.org) for commit guideline

<!-- changelog -->

## [v0.1.0](https://github.com/diffo-dev/diffo/compare/v0.1.0...v0.1.0) (2025-08-11)

### Features:
* initial version on AshNeo4j DataLayer

## [v0.1.1](https://github.com/diffo-dev/diffo/compare/v0.1.0...v0.1.1) (2025-09-09)
## [v0.2.0](https://github.com/diffo-dev/diffo/compare/v0.1.6...v0.2.0) (2026-04-24)

### Features:
* update for AshNeo4j DSL changes
* refactor specification relationships
* characteristic value schemas
* customise instance via specification
* improve relationships to avoid circular loads
### Breaking Changes

## [v0.1.2](https://github.com/diffo-dev/diffo/compare/v0.1.1...v0.1.2) (2025-10-20)
* Updated to ash_neo4j 0.3.1 and bolty 0.0.10 — no database compatibility with prior versions due to significant changes in the data layer and Bolt protocol handling

### Features

* REUSE compliant

## [v0.1.3](https://github.com/diffo-dev/diffo/compare/v0.1.2...v0.1.3) (2025-12-01)
* `Diffo.Type.Value` — union of `Diffo.Type.Primitive` and `Diffo.Type.Dynamic`, enabling mixed primitive and typed-struct values on characteristics and other resources
* `Diffo.Type.Primitive` — typed union of string, integer, float, boolean, date, time, datetime, duration
* `Diffo.Type.Dynamic` — runtime-typed struct for Ash.Type.NewType values
* `Diffo.Type.Dynamic.is_valid?/1` — predicate to check whether a module is a valid Dynamic type (Ash.Type.NewType with storage_type :map) before constructing a value
* `Characteristic.values` — homogeneous array of `Diffo.Type.Value` on a characteristic, with `is_array` boolean flag; supports morphing between scalar and array representations
* `Diffo.Unwrap` on `List` — unwraps each element, enabling `Diffo.Unwrap.unwrap/1` to reduce nested wrapped lists to plain Elixir values in one call
* Provider instance extension DSL — characteristic and feature characteristic value types now accept `{:array, Module}` in addition to plain module references

### Features
### Fixes

* place_ref source party or place
* party_ref source place or party
* instance events
* `Diffo.Type.Value` nil update — override `handle_change/3` to prevent Ash union type from wrapping nil in the previous member type, which caused malformed JSON to be written to Neo4j
* `Diffo.Type.Value` nil array update — added nil guards to `handle_change_array/3` and `prepare_change_array/3` to prevent enumeration errors when setting an array characteristic to nil
* `Diffo.Type.Dynamic` nil safety — added nil clauses to `cast_stored/2` and `dump_to_native/2`

### Maintenance

* remove access domain
* bolty 0.0.10 — native DateTime handling for both BOLT 4.x and BOLT 5.x
* `Diffo.Unwrap` protocol documentation — recursive unwrap behaviour, custom implementation guide, and array examples added to livebook and module docs

## [v0.1.4](https://github.com/diffo-dev/diffo/compare/v0.1.3...v0.1.4) (2026-03-12)
## [v0.1.6](https://github.com/diffo-dev/diffo/compare/v0.1.5...v0.1.6) (2026-03-19)

### Features
### Fixes

* assigner unassign operation
* incorrect domain label

### Maintenance

* updated ash_neo4j, uses bolty rather than boltx
* improved error handling

## [v0.1.5](https://github.com/diffo-dev/diffo/compare/v0.1.4...v0.1.5) (2026-03-19)
[v0.1.5](https://github.com/diffo-dev/diffo/compare/v0.1.4...v0.1.5) (2026-03-19)

### Fixes

* fixed relationship enrichment inconsistent across neo4j versions

## [v0.2.0](https://github.com/diffo-dev/diffo/compare/v0.1.6...v0.2.0) (2026-04-24)
## [v0.1.4](https://github.com/diffo-dev/diffo/compare/v0.1.3...v0.1.4) (2026-03-12)

### Breaking Changes
### Features

* Updated to ash_neo4j 0.3.1 and bolty 0.0.10 — no database compatibility with prior versions due to significant changes in the data layer and Bolt protocol handling
* assigner unassign operation

### Features
### Maintenance

* `Diffo.Type.Value` — union of `Diffo.Type.Primitive` and `Diffo.Type.Dynamic`, enabling mixed primitive and typed-struct values on characteristics and other resources
* `Diffo.Type.Primitive` — typed union of string, integer, float, boolean, date, time, datetime, duration
* `Diffo.Type.Dynamic` — runtime-typed struct for Ash.Type.NewType values
* `Diffo.Type.Dynamic.is_valid?/1` — predicate to check whether a module is a valid Dynamic type (Ash.Type.NewType with storage_type :map) before constructing a value
* `Characteristic.values` — homogeneous array of `Diffo.Type.Value` on a characteristic, with `is_array` boolean flag; supports morphing between scalar and array representations
* `Diffo.Unwrap` on `List` — unwraps each element, enabling `Diffo.Unwrap.unwrap/1` to reduce nested wrapped lists to plain Elixir values in one call
* Provider instance extension DSL — characteristic and feature characteristic value types now accept `{:array, Module}` in addition to plain module references
* updated ash_neo4j, uses bolty rather than boltx

### Fixes
## [v0.1.3](https://github.com/diffo-dev/diffo/compare/v0.1.2...v0.1.3) (2025-12-01)

* `Diffo.Type.Value` nil update — override `handle_change/3` to prevent Ash union type from wrapping nil in the previous member type, which caused malformed JSON to be written to Neo4j
* `Diffo.Type.Value` nil array update — added nil guards to `handle_change_array/3` and `prepare_change_array/3` to prevent enumeration errors when setting an array characteristic to nil
* `Diffo.Type.Dynamic` nil safety — added nil clauses to `cast_stored/2` and `dump_to_native/2`
### Features

* place_ref source party or place
* party_ref source place or party
* instance events

### Maintenance

* bolty 0.0.10 — native DateTime handling for both BOLT 4.x and BOLT 5.x
* `Diffo.Unwrap` protocol documentation — recursive unwrap behaviour, custom implementation guide, and array examples added to livebook and module docs
* remove access domain

## [v0.1.6](https://github.com/diffo-dev/diffo/compare/v0.1.5...v0.1.6) (2026-03-19)
## [v0.1.2](https://github.com/diffo-dev/diffo/compare/v0.1.1...v0.1.2) (2025-10-20)

### Fixes
### Features

* incorrect domain label
* REUSE compliant

### Maintenance
## [v0.1.1](https://github.com/diffo-dev/diffo/compare/v0.1.0...v0.1.1) (2025-09-09)

### Features:
* update for AshNeo4j DSL changes
* refactor specification relationships
* characteristic value schemas
* customise instance via specification
* improve relationships to avoid circular loads

## [v0.1.0](https://github.com/diffo-dev/diffo/compare/v0.1.0...v0.1.0) (2025-08-11)

### Features:
* initial version on AshNeo4j DataLayer

* improved error handling
3 changes: 2 additions & 1 deletion mix.exs
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Expand Up @@ -99,7 +99,8 @@ defmodule Diffo.MixProject do
{:ash_outstanding, "~> 0.2.3"},
{:ash_jason, "~> 3.0"},
{:ash_state_machine, "~> 0.2.12"},
{:ash_neo4j, ash_neo4j_version("~> 0.3.1")},
{:ash_neo4j, ash_neo4j_version("~> 0.4.1")},
{:bolty, ">= 0.0.12"},
{:ash, ash_version("~> 3.0 and >= 3.24.2")},
{:uuid, "~> 1.1"},
{:igniter, ">= 0.6.29 and < 1.0.0-0",
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