Release npm 0.20.0 and Python 0.7.0 - #99
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Everything under [Unreleased] in both packages ships, together, so no consumer has to speak both wires. npm 0.20.0 is breaking several times over. The NimbleBrain host extensions move under `ai.nimblebrain/` (`action`, `request-file`, `keydown`), and the chat context on `sendMessage` with them; every NimbleBrain extension and every spec call is now gated on the host declaring it, throwing `HostCapabilityError` where it did not; host fonts arrive as the spec's `styles.css.fonts` and the font-descriptor API is gone; the cross-host client speaks MCP Apps only, so the `chatgpt` adapter, the mcp-ui dialect and `window.openai` detection are gone and `HostKind` is `"mcp-apps" | "generic"`; and `connectUI`'s `callTool()` rejects with `ToolCallError` on an `isError` result. Added: `synapse check`, `app.hostCapabilities`, `hostSupports`. The SDK and zod are no longer bundled. Python 0.7.0 serves the component as one `ui://` resource under `text/html;profile=mcp-app` — the skybridge copy, `openai/outputTemplate`, `result_meta()`, `resource_meta` and `SKYBRIDGE_MIME` are gone — and carries the same bundled-client breaks. Added: `tool_meta(visibility=)`, `tool_meta(security_schemes=)` and `auth_error_result()`. Requires mcp>=2.1.0. The vendored client asset already matches the build; no re-vendor was needed. `__client_version__` moves with package.json.
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B8 of the Synapse rebuild cutover. Both packages ship everything under their
[Unreleased]at once, so no consumer has to speak both the old and the new wire.What this is
package.json0.19.00.20.0__client_version__0.19.00.20.0python/pyproject.toml0.6.00.7.0Both CHANGELOGs move
[Unreleased]under the version. Nothing else changes: the vendored client asset (python/nimblebrain_synapse/_assets/synapse-ui.iife.js) already matches a build of this tree byte for byte, because the version string is not inlined in the cross-host IIFE — re-vendoring at 0.20.0 produced no diff.The
### Breakingentries this releasesnpm
0.20.0: theai.nimblebrain/*rename of the host extensions (#98) andsendMessage's chat context with it; every NimbleBrain extension and every spec call gated on the host's declaration, throwingHostCapabilityError; host fonts as the spec'sstyles.css.fontswith the font-descriptor API deleted; the cross-host client on MCP Apps only (chatgptadapter, mcp-ui dialect andwindow.openaidetection gone,HostKindis"mcp-apps" | "generic");connectUI'scallTool()rejecting withToolCallError.Python
0.7.0: oneui://resource undertext/html;profile=mcp-app(skybridge copy,openai/outputTemplate,result_meta(),resource_meta,SKYBRIDGE_MIMEall gone),widget_domainon that one resource, and the bundled client's MCP-Apps-only,styles.css.fontsandToolCallErrorbreaks.The
ai.nimblebrain/*rename is a JS client-API change and appears only in the npm CHANGELOG. The Python package's bundled client isconnectUI, which carries no NimbleBrain extensions —grep 'synapse/'over the vendored IIFE finds nothing — so it has no surface for that rename. Its half of #98, the font channel, is inpython/CHANGELOG.md.Verification
Local, ahead of CI:
npm run ci— lint, typecheck, build, size budget (115460/120000, 116171/121000, 3178/4100 gzipped), 563 tests in 37 files.npm run conformance— 36/36 against the vendored copy.python:ruff check,ruff format --check,ty check,pytest(34 passed).Once merged, the release goes out through the publish workflows on
v0.20.0andnimblebrain-synapse-v0.7.0, never locally.Prerequisites, confirmed on
mainB1 (#92), B2 (#94), B3 (#96), B5 (#95), B6 (#93), B7 (#97 plus skills#47, #48, #50, #51), and #85 (closed by #91). #89 is in too.