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ctate merged 1 commit into from
Mar 13, 2026
Merged

prepare v0.14 #220

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17 changes: 17 additions & 0 deletions .changeset/v0-14-release.md
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---
"@json-render/core": minor
"@json-render/yaml": minor
---

Add YAML wire format package and universal edit modes for surgical spec refinement.

### New:

- **`@json-render/yaml`** -- YAML wire format for json-render. Includes streaming YAML parser, `yamlPrompt()` for system prompts, and AI SDK transform (`pipeYamlRender`) as a drop-in alternative to JSONL streaming. Supports four fence types: `yaml-spec`, `yaml-edit`, `yaml-patch`, and `diff`.
- **Universal edit modes** in `@json-render/core` -- three strategies for multi-turn spec refinement: `patch` (RFC 6902), `merge` (RFC 7396), and `diff` (unified diff). New `editModes` option on `buildUserPrompt()` and `PromptOptions`. New helpers: `deepMergeSpec()`, `diffToPatches()`, `buildEditUserPrompt()`, `buildEditInstructions()`, `isNonEmptySpec()`.

### Improved:

- **Playground** -- format toggle (JSONL / YAML), edit mode picker (patch / merge / diff), and token usage display with prompt caching stats.
- **Prompt caching** -- generate API uses Anthropic ephemeral cache control for system prompts.
- **CI** -- lint, type-check, and test jobs now run in parallel.
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