objectstack-ai
diff --git a/‎.changeset/17320-filter-rule-array-guidance.md‎
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diff --git a/‎packages/spec/src/ui/component.zod.ts‎
Lines changed: 37 additions & 6 deletions b/‎packages/spec/src/ui/component.zod.ts‎
Lines changed: 37 additions & 6 deletions
@@ -0,0 +1,58 @@
+---
+'@objectstack/spec': patch
+---
+
+The seven converged rule-array `filter` doors name the ViewFilterRule array form when they refuse the record form
+
+Seven `filter` doors converged on `z.array(ViewFilterRuleSchema)` in the
+objectui#6206 family — `ElementDataSourceSchema.filter` (`ui/page.zod.ts`) and
+the `object-grid` / `object-metric` / `object-kanban` / `object-calendar` /
+`element:number` / `element:record_picker` rows of `ComponentPropsMap`
+(`ui/component.zod.ts`). Each previously accepted the MongoDB-style record
+(`{ status: 'active' }`), and each now refuses it — measured on the built
+artifact, with exactly one issue apiece: `invalid_type` at `filter`, *"Invalid
+input: expected array, received object"*, and nothing else.
+
+The prescription for that transition was already written down twice, in two
+places a parse never reaches: every one of the seven `.describe()` strings, and
+in full in the three `18.*-filter-rule-array` semantic migration entries.
+Nothing bridges `.describe()` into a zod issue and this package installs no
+global error map, so the one population whose metadata the convergence broke —
+the authors, human and AI, who wrote the previously-legal form — received the
+single sentence that does not say what to write instead.
+
+Each of the seven now answers that value with the new spelling, through the
+zod-v4 `{ error }` param this package already uses for targeted guidance
+(`shared/expression.zod.ts`, `ui/view.zod.ts`, `shared/strict-object.ts`):
+
+> `filter` on this `object-grid` takes the ViewFilterRule ARRAY form
+> `[{ field, operator, value }, ...]`, and this value is the MongoDB-style
+> record form this door took before the one-filter-orthography convergence.
+> Write one rule per record key — they AND — so this filter becomes
+> `[{ field: 'status', operator: 'equals', value: 'active' }]`. Legacy operator
+> shorthands (`eq`, `gt`, `notIn`, …) are accepted and normalized on parse.
+> Full conversion table: migration
+> `element-data-source-and-object-block-filter-rule-array`.
+
+Following `strictObject`'s model rather than transcribing a sentence seven
+times: the rule shape is read from `ViewFilterRuleSchema`'s own shape, the
+canonical operator is `normalizeFilterOperator('eq')` — the same fold the door
+itself runs — and the worked rewrite is computed from the author's own record,
+so the example names their fields. A pin holds each door's `migration` id equal
+to a real registry entry and each door's `surface` equal to the one its own
+`strictObject` declaration registered.
+
+⛔ No accept set moves. The doors refuse exactly the shapes they refused
+before, the generated `json-schema/` and `authorable-surface` artifacts are
+byte-identical after the change, and the map returns `undefined` for everything
+that is not a plain record — so an array author's element-level issues
+(`filter.0: Invalid option: expected one of "equals"|…`) and a non-record value
+(*"expected array, received string"*) still arrive in zod's own words.
+
+**Shipped, which is why it carries a changeset rather than `skip-changeset`.**
+Measured on the built artifact after both tsup passes finished: the new message
+text is present in **18** published files of `npm pack --dry-run`'s 2012, the
+test-only text is present in **0** (negative control), and a pre-existing
+shipped string reaches **62** as the lit control proving the scan reaches.
+`src/ui/page.zod.ts` and `src/ui/component.zod.ts` are also shipped as source
+by `files[]`'s `src/**/*.zod.ts`.
@@ -17,6 +17,7 @@ import { RETIRED_PAGE_COMPONENT_TYPES } from './page.zod';
 // shared source rather than re-spelled here (#6276).
 import { SortItemSchema } from '../shared/enums.zod';
 import { strictObject } from '../shared/strict-object';
+import { ruleArrayFilterError } from './filter-rule-array';
 import type { KeySetGuidance } from '../shared/suggestions.zod';
 // [#13855] The section → field-group reference form, shared with
 // `FormSectionSchema` (view.zod.ts) so one mixing rule serves both escape hatches.
@@ -1850,7 +1851,12 @@ export const ElementNumberPropsSchema = lazySchema(() => strictObject({
    * array, by design). The record form is refused at `filter`; the migration
    * prescription is the `element-number-filter-rule-array` semantic entry.
    */
-  filter: z.array(ViewFilterRuleSchema).optional()
+  filter: z.array(ViewFilterRuleSchema, {
+    error: ruleArrayFilterError({
+      surface: 'this `element:number`',
+      migration: 'element-number-filter-rule-array',
+    }),
+  }).optional()
     .describe('Filter rules narrowing the aggregate — the ViewFilterRule array form `[{ field, operator, value }, ...]`, the one filter orthography every `filter` input in this map shares. The MongoDB-style record form is refused — see migration `element-number-filter-rule-array`'),
   format: z.enum(['number', 'currency', 'percent']).optional().describe('Number display format'),
   prefix: z.string().optional().describe('Prefix text (e.g. "$")'),
@@ -2230,7 +2236,12 @@ export const ElementRecordPickerPropsSchema = lazySchema(() => strictObject({
    * (`ds.filter ?? props.filter`) is `ElementDataSourceSchema`'s key, not this
    * entry's subject.
    */
-  filter: z.array(ViewFilterRuleSchema).optional()
+  filter: z.array(ViewFilterRuleSchema, {
+    error: ruleArrayFilterError({
+      surface: 'this `element:record_picker`',
+      migration: 'element-record-picker-filter-rule-array',
+    }),
+  }).optional()
     .describe('Filter rules narrowing which records the picker offers — the ViewFilterRule array form `[{ field, operator, value }, ...]`, the one filter orthography the array-declared `filter` doors of this map share. The MongoDB-style record form is refused — see migration `element-record-picker-filter-rule-array`. The binding-level `dataSource.filter` wins outright when both are set'),
   /**
    * Row order (#6276). The flat shorthand for `dataSource.sort`, and the same
@@ -2491,7 +2502,12 @@ export const ObjectGridPropsSchema = lazySchema(() => strictObject({
    * `filter`; the migration prescription is the
    * `element-data-source-and-object-block-filter-rule-array` semantic entry.
    */
-  filter: z.array(ViewFilterRuleSchema).optional()
+  filter: z.array(ViewFilterRuleSchema, {
+    error: ruleArrayFilterError({
+      surface: 'this `object-grid`',
+      migration: 'element-data-source-and-object-block-filter-rule-array',
+    }),
+  }).optional()
     .describe('Base query filter — the ViewFilterRule array form `[{ field, operator, value }, ...]`, the one filter orthography every `filter` door in this map shares; lowered to the wire `$filter`. THE key, singular — not the plural misspelling. The MongoDB-style record form is refused — see migration `element-data-source-and-object-block-filter-rule-array`'),
   defaultFilters: z.unknown().optional()
     .describe('Legacy base-filter fallback, read only when `filter` is absent. Prefer `filter`'),
@@ -2705,7 +2721,12 @@ export const ObjectMetricPropsSchema = lazySchema(() => strictObject({
    * at `filter`; see migration
    * `element-data-source-and-object-block-filter-rule-array`.
    */
-  filter: z.array(ViewFilterRuleSchema).optional()
+  filter: z.array(ViewFilterRuleSchema, {
+    error: ruleArrayFilterError({
+      surface: 'this `object-metric`',
+      migration: 'element-data-source-and-object-block-filter-rule-array',
+    }),
+  }).optional()
     .describe('Filter the aggregation is scoped by — the ViewFilterRule array form `[{ field, operator, value }, ...]`, the one filter orthography every `filter` door in this map shares. The MongoDB-style record form is refused — see migration `element-data-source-and-object-block-filter-rule-array`'),
   format: z.string().optional().describe("Number format pattern (e.g. '0,0', '$0,0', '0%')"),
   currency: z.string().optional().describe("ISO currency code (e.g. 'USD') — enables currency formatting"),
@@ -2777,7 +2798,12 @@ export const ObjectKanbanPropsSchema = lazySchema(() => strictObject({
    * `filter`; see migration
    * `element-data-source-and-object-block-filter-rule-array`.
    */
-  filter: z.array(ViewFilterRuleSchema).optional()
+  filter: z.array(ViewFilterRuleSchema, {
+    error: ruleArrayFilterError({
+      surface: 'this `object-kanban`',
+      migration: 'element-data-source-and-object-block-filter-rule-array',
+    }),
+  }).optional()
     .describe('Base query filter, handed to the wire `$filter` — the ViewFilterRule array form `[{ field, operator, value }, ...]`, the one filter orthography every `filter` door in this map shares. The MongoDB-style record form is refused — see migration `element-data-source-and-object-block-filter-rule-array`'),
   /**
    * Row cap (#16503 — the spec half of objectui#8172; decision batch #68,
@@ -2928,7 +2954,12 @@ export const ObjectCalendarPropsSchema = lazySchema(() => strictObject({
    * `filter`; see migration
    * `element-data-source-and-object-block-filter-rule-array`.
    */
-  filter: z.array(ViewFilterRuleSchema).optional()
+  filter: z.array(ViewFilterRuleSchema, {
+    error: ruleArrayFilterError({
+      surface: 'this `object-calendar`',
+      migration: 'element-data-source-and-object-block-filter-rule-array',
+    }),
+  }).optional()
     .describe('Base query filter — the ViewFilterRule array form `[{ field, operator, value }, ...]`, the one filter orthography every `filter` door in this map shares. The MongoDB-style record form is refused — see migration `element-data-source-and-object-block-filter-rule-array`'),
   /**
    * Row order for the fetched events — the same `SortItem` ARRAY form