feat(shard): split runs across parallel CI jobs and merge the results - #17

Merged

kevinccbsg merged 26 commits into

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feat/shardable-run-artifacts

Aug 25, 2026

Commits on Aug 19, 2026

docs: design for shardable run artifacts and a merge command

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d9e715b
docs: drop --report from the sharding design, record maxFailures rationale

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b2c119d
docs: scope behavior changes to sharded runs only, add beta release plan

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26b5412
docs: add per-shard failed count to the report schema

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docs: implementation plan for shardable run artifacts

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docs(plan): share readValue between both arg parsers

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976c372
feat(shard): parse shard specs and slice test ids round-robin
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10d35cc
feat(cli): add --shard, --report-dir, and merge arg parsing
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995fa8a
feat(report): build run reports and fingerprint discovered tests
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40ae283
feat(report): read and write shard report artifacts
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b4a7f2c
feat(coverage): merge per-shard Istanbul coverage maps
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3266a29
feat(merge): associative report merge with consistency validation
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2ac151e
fix(merge): pin first-wins semantics with a test, correct handlers comment
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96d9dac
feat(summary): add per-shard breakdown and wall vs compute duration
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8f0ef78
feat(run): slice tests by shard and write a run report artifact

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182ea01
feat(cli): add the merge command and wire shard flags through bin
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84f68fe
ci: verify sharded runs and merge end to end
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e80fbfd
ci: fix unfalsifiable assertions in the merge verify step
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e0304d6

Commits on Aug 20, 2026

chore(release): 1.5.0-beta.0
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29e5d1e
fix(shard): key cross-shard identity on test paths and positions, not ids

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58a6096
docs: sync the spec's schema block to v2, and pin the version literal

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ce29f51
perf(cli): stop merge from loading puppeteer

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7936a96
feat(action): add a shard input to the composite action

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84fe76e
docs: move sharding into docs/ and put contract validation first

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f74cdd7

Commits on Aug 25, 2026

docs: mark sharding as beta and give it a runnable action example

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e508207
chore(release): 1.5.0

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a5b7570