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Extensible Dart toolkit for deterministic prompt composition, localization, validation, and structured rendering.
Last release 1 months ago
26 Aug 2026
Too new to tell
only 2 release windows
Nearly every release is documented
notes for 3 of 3 stable releases
Nothing withdrawn
no release was ever pulled
1 months old
6 releases · first in 2026
One column per month.
Add PromptComposer.composeEachOrThrow() for lazy, fail-fast strict batch composition without materializing the complete result set.
PromptComposer.composeEachOrThrow() for lazy, fail-fast strict batch
composition without materializing the complete result set.PromptCompositionException.recipeIndex for identifying
invalid recipes in lazy strict workflows.Add PromptComposer.composeEach() for lazy, ordered batch composition without materializing the complete result set.
PromptComposer.composeEach() for lazy, ordered batch composition
without materializing the complete result set.composeAll() while preserving its
immutable list contract.Promote the tested prerelease API to the first non-prerelease version.
Add immutable PromptComposer.composeAll() results for ordered batch composition with shared schemas and options.
PromptComposer.composeAll() results for ordered batch
composition with shared schemas and options.PromptComposer.composeAllOrThrow() and
PromptBatchCompositionException for recoverable strict batch workflows.ComposedPrompt.issuesWhere() and hasIssue() diagnostic
queries.Add PromptComposer.composeOrThrow() for strict composition workflows.
PromptComposer.composeOrThrow() for strict composition workflows.PromptCompositionException with the complete partial result and
immutable error diagnostics.errorIssues, warningIssues, and infoIssues views on
ComposedPrompt.Add stable built-in validation issue-code constants.
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