feat(flow-designer): schema-driven keyValue + numberList mapping (#3304) by os-zhuang · Pull Request #2708 · objectstack-ai/objectui

os-zhuang · 2026-07-20T01:06:27Z

The objectui half of framework #3304 — the adapter extension that unblocks giving the previously schema-less flow nodes a server-driven config form. Follows objectui #2670 Phase 3 (#2699, merged) and framework #3313 / #3321 (loop + map configSchemas, both merged).

What

The server-first form generator (jsonSchemaToFlowFields, ADR-0018) had no way to render two editor kinds from a JSON Schema, so any node config using them could only be driven from a published configSchema by dropping to raw Advanced JSON. Now:

object with additionalProperties (a value schema, or true) and no fixed properties → a keyValue field (the flat { var: value } editor). The idiomatic JSON-Schema shape for a string-keyed map.
array of number / integer → numberList (sibling of the existing array-of-string → stringList).

Discrimination is unambiguous: the object-with-properties case is handled first and continues, so it never reaches the keyValue branch; an opaque object (no properties, no additionalProperties) or additionalProperties: false still falls through to the Advanced block.

Why

This is the blocker I flagged on framework #3321: nodes like assignment (assignments), the four CRUD nodes (fields/filter), script (variables), subflow, and screen (defaults) all lean on the keyValue editor. Until the adapter could produce it, shipping their configSchemas would make objectui prefer the server schema and drop the keyValue editor — a regression. With this in place, the framework side can publish those schemas and the online form will match the hardcoded one.

Pure capability addition — inert until a node publishes such a schema. No existing form changes, zero regression.

Verification

Unit: additionalProperties (value schema + true) → keyValue; a fixed-properties object still flattens to sub-fields (not keyValue); an opaque object / additionalProperties: false → Advanced; number/integer arrays → numberList while string arrays stay stringList (json-schema-to-fields.test.ts, 26 pass).
turbo type-check (app-shell) clean; eslint clean.

Next (toward #3304 "all 11")

With this merged, a follow-up framework PR authors the configSchemas for the keyValue-heavy nodes (the same way loop/map were done). The decision node (its virtual target column is derived from edges, not config) and wait (its fields live in a top-level waitEventConfig block, not config) are genuinely objectui-specific and can stay on their hardcoded forms — they have no online/offline divergence today, since a node with no configSchema already renders identically from the hardcoded fallback.

🤖 Generated with Claude Code

https://claude.ai/code/session_01VuvxWgoadqryqBcjs7TpVi

Generated by Claude Code

Extends the server-first form generator (jsonSchemaToFlowFields, ADR-0018) so the previously schema-less flow nodes can be given a configSchema whose online form matches their hardcoded one — the objectui half of framework #3304 (descriptor counterpart to #2670 Phase 3). • an object with `additionalProperties` (a value schema, or `true`) and no fixed `properties` → a `keyValue` field (the flat `{ var: value }` editor). The object-with-`properties` case still flattens to sub-fields and `continue`s before this branch, so it is never mis-mapped; an opaque object or `additionalProperties: false` still falls through to the Advanced block. • an array of number / integer → `numberList` (sibling of array-of-string → `stringList`). This unblocks the keyValue-heavy nodes (assignment, the CRUD quartet, script, subflow, screen) — the framework side can now publish their configSchemas without objectui dropping the keyValue editor to raw Advanced JSON. Pure capability addition: inert until a node publishes such a schema, so no existing form changes and zero regression. Tests: additionalProperties (value schema + `true`) → keyValue; fixed-properties object still flattens (not keyValue); opaque / `additionalProperties: false` → Advanced; number/integer arrays → numberList while string arrays stay stringList. type-check + eslint clean. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01VuvxWgoadqryqBcjs7TpVi

github-actions · 2026-07-20T01:10:39Z

✅ Console Performance Budget

Metric	Value	Budget
Main entry (gzip)	28.0 KB	350 KB
Entry file	`index-C62h3sdk.js`	—
Status	PASS	—

📦 Bundle Size Report

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Size Limits

✅ Core packages should be < 50KB gzipped
✅ Component packages should be < 100KB gzipped
⚠️ Plugin packages should be < 150KB gzipped

vercel · 2026-07-20T01:25:05Z

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github-actions Bot added the tests label Jul 20, 2026

os-zhuang marked this pull request as ready for review July 20, 2026 01:13

os-zhuang merged commit e7a8de7 into main Jul 20, 2026
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os-zhuang deleted the claude/step-logs-run-observability-plxc2p branch July 20, 2026 01:17

os-zhuang mentioned this pull request Jul 20, 2026

ActionDescriptor configSchema: adopt an xExpression marker so designer forms render expression vs template semantics (objectui #2670 Phase 3 counterpart) objectstack-ai/objectstack#3304

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feat(flow-designer): schema-driven keyValue + numberList mapping (#3304)#2708

feat(flow-designer): schema-driven keyValue + numberList mapping (#3304)#2708
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os-zhuang commented Jul 20, 2026

What

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Verification

Next (toward #3304 "all 11")

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