feat(pipeline): add proposal engine for context-aware pipeline sequencing#218
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nextlevelshit wants to merge 4 commits intomainfrom
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feat(pipeline): add proposal engine for context-aware pipeline sequencing#218nextlevelshit wants to merge 4 commits intomainfrom
nextlevelshit wants to merge 4 commits intomainfrom
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Add tiered execution support to MatrixStrategy, enabling items with dependencies to execute in topologically-sorted tiers. Items within a tier run in parallel; tiers execute sequentially. New MatrixStrategy fields: - item_id_key: dot-path to unique ID field in each item - dependency_key: dot-path to dependency array in each item - child_pipeline: name of pipeline to invoke per item (Phase 2) - input_template: Go template for constructing input (Phase 2) New MatrixResult fields: Skipped, SkipReason, ItemID Implementation uses Kahn's algorithm (BFS topological sort) to compute tiers. Dependency failure propagation skips downstream items but allows unrelated items to continue. 6 new tests covering independent items, linear chains, diamond dependencies, dependency failure propagation, cycle detection, and missing dependency validation.
Add the ability for matrix strategy steps to invoke a full child pipeline per matrix item instead of executing a single step. This enables the gh-implement-epic pipeline to fan out gh-implement runs per subissue. Key additions: - NewChildExecutor() factory on DefaultPipelineExecutor for independent state - ChildPipeline field on MatrixStrategy to name or path a child pipeline - InputTemplate field with Go text/template rendering for item → input - Refactored tieredExecution to accept a matrixWorkerFunc for reuse - 5 new tests: LoadsAndExecutes, InputTemplate, WithTiers, PartialFailure, NotFound
New pipeline that consumes gh-scope output and implements all subissues by fanning out parallel gh-implement child pipeline runs, respecting the dependency ordering from the scope plan. Pipeline steps: - fetch-scope: parse epic's scope comment, extract subissues + deps - implement-subissues: matrix strategy with child_pipeline + dependency tiers - report: post implementation summary comment on parent epic Includes: - Pipeline YAML with matrix strategy using child_pipeline and dependency_key - Prompt files for fetch-scope and report steps - Contract schemas for epic-scope-plan and epic-report - Mock adapter output for testing (gh-implement-epic routing before gh-implement)
…cing (#208) Implement a separate proposal engine package (internal/pipeline/proposal/) that consumes codebase health analysis artifacts and the pipeline catalog to produce structured, prioritized pipeline execution proposals. Key components: - Core types with ForgeType enum, HealthArtifact, ProposalItem, Proposal - Pipeline catalog discovery with YAML parsing and deduplication - Forge-type filtering by pipeline name prefix (gh-*, gl-*, gt-*, bb-*) - Relevance scoring via Scorer interface with DefaultScorer mapping health signals to pipeline recommendations - Engine with dependency edge construction and parallel group assignment - JSON Schema contract for the proposal output artifact Design decision: built as a separate package rather than extending MetaPipelineExecutor, since the proposal engine performs deterministic pipeline selection (pure Go) vs the meta executor's LLM-based generation.
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Summary
Closes #208
Changes
Proposal Engine (
internal/pipeline/proposal/)Proposal,ProposalItem,HealthArtifact,PipelineCatalogEntry,DependencyEdgeMatrix Executor Enhancements (
internal/pipeline/)ChildPipelineResulttype for tracking invoked pipeline outcomesEpic Pipeline (
.wave/pipelines/,.wave/contracts/,.wave/prompts/)Specifications (
specs/208-pipeline-proposal-engine/)Test Plan
go test ./...and pass