fix(charts): resolve select-dimension value→label so grouped charts don't zero out (cloud#667)

[os-zhuang]

Problem

An ObjectStack dashboard chart that groups a count by a select field (e.g. a bar chart "客户数量按状态") rendered every bar at 0, even though the object's list clearly has rows.

Real-machine root cause (DB ground truth): the tk5f_customer.status field stores English values (active/lost/potential) with localized labels (合作中/已流失/潜在). The dataset groups by the stored value, so the grouped rows are value-keyed with correct counts. The chart, however, expected the analytics server to have already resolved the dimension value→label — when it hasn't, the raw enum values reach the axis, and the option-keyed colour/category wiring (built from the field labels) no longer lines up with the value-keyed rows, so categories read empty.

This is the default product of the AI build agent (English value + localized label), so Chinese AI apps hit it constantly. It does not reproduce when a select's value == its label.

Root cause: chart layer, not dataset layer

The framework analytics service does have value→label resolution (service-analytics/src/dimension-labels.ts), but it silently no-ops when it can't read the field options (common for AI-built selects) — then rows arrive value-keyed. The objectui dataset chart path (DatasetWidget + ObjectChart's dataset branch) does no value→label resolution of its own and assumes the server did it — unlike the legacy aggregate path, which already resolves labels via resolveGroupByLabels. So the fix belongs in the chart layer.

Fix

Make the chart layer authoritative: resolve value→label from the object field options, keying chart data by value (so grouped counts always attach) and displaying the label.

• @object-ui/corechart-series.ts — two new shared, pure helpers:
  • buildDimensionLabelMap(options) → { value → label } (mirrors buildOptionColorMap; drops no-op label==value entries).
  • relabelDimensions(rows, labelMaps) → rewrites each select-dimension value to its label, leaving measures attached. Idempotent (already-resolved labels / lookup ids / free text pass through) and never mutates the input, so server-resolved labels and the raw drillRawRows both survive.
• plugin-dashboard/DatasetWidget and plugin-charts/ObjectChart — build the {value→label} maps from the same object-schema fetch they already run for per-category colours (no extra request), then relabelDimensions before buildChartSeries. chartRows stay index-aligned with drillRawRows, so drill-through still filters by the raw stored value.

No framework / dataset-server changes; no new network calls.

Verification

Honest about depth — verified at code + build + unit/component levels:

• ✅ @object-ui/corechart-series.test.ts — 15 passed, incl. new tests for buildDimensionLabelMap, relabelDimensions, and the composition with buildChartSeries for the exact value≠label scenario (single dimension and pivoted second dimension): every count lands on its label category.
• ✅ plugin-dashboardDatasetWidget — 36 passed (34 existing + 2 new). The new DatasetWidget.relabel.test.tsx drives the realDatasetWidget + SchemaRenderer: value-keyed rows {active:6, lost:2, potential:4} + object-schema options ⇒ the chart receives label-keyed data {合作中:6, 已流失:2, 潜在:4} with the raw active gone from the axis; and a no-options fallback that passes raw rows through without crashing.
• ✅ plugin-charts — 26 passed (no regression from the ObjectChart change).
• ✅ Full objectui suite — 4756 passed / 24 skipped / 0 failed with the source changes.
• ✅ @object-ui/types + @object-ui/core + plugin-dashboard + plugin-charts build clean (declaration files generated, so the TSX typechecks against the new core exports).

Not done: live browser repro against framework/examples/app-showcase (would need a standing backend + a value≠label seeded select + dashboard). The two new tests reproduce the bug deterministically at the component/data level instead, which is the layer the bug lives in.

Notes / follow-ups

• Runtime rollout: this won't reach the running stack until cloud bumps its .objectui-sha. Not bumped here (separate cloud change).
• Related gap (not in scope):plugin-report's DatasetReportRenderer charts dataset dimensions the same way (data: state.rows straight to the chart) and would benefit from the same relabel — left out to keep this PR focused on the reported dashboard surface.

Closes objectstack-ai/cloud#667

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
objectui	Ignored		Jun 28, 2026 5:02am

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✅ Console Performance Budget

Metric	Value	Budget
Main entry (gzip)	59.0 KB	350 KB
Entry file	index-CWqNuJUe.js	—
Status	PASS	—

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📦 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