v0.19.0

Changelog

Features

• 32e0a4f feat(agent): add Checkpoint type and evalCheckpoint logic
• 29e5b51 feat(agent): improve tools and config for SWE-bench performance
• cda5e09 feat(agent): promote SWE-bench defaults to core config
• 412ba71 feat(agent): two-phase verification — focused test then broad regression check
• ad5fd26 feat(agent): wire checkpoint injection into turn loop
• 4bb7e4a feat(agent): wire remaining SWE-bench config improvements
• 035068d feat(agent/tools): add context lines and noise dir filtering to grep_search
• dca06a6 feat(agent/tools): add offset/limit to read tool for paged file reading
• 54ad8d9 feat(agent/tools): show total match count when grep results truncated
• 23cdffc feat(cli): add --artifact-dir flag to override node state directory
• 1e4d663 feat(swebench): add agent event logging and transcript capture
• 82399d2 feat(swebench): wire checkpoints and broad verify for agent runs
• 7ec4a1d feat(tui): prepopulate subgraph children in sidebar tree
• f39ffbc feat: add workflow params overrides via vars and --param
• 402f0eb feat: consume dippin-lang v0.21.0 (closes #112, #67, #75)

Fixes

• d703aa0 fix(agent): address review squad findings — panics, signal bugs, merge conflict
• 7104680 fix(agent): address roborev findings — checkpoint math, grep counts, verify attribution
• 9f51abb fix(agent): correct misleading comment in evalCheckpoint
• 6f4c101 fix(agent): reap process groups after shell command completion
• 40f13d4 fix(openai): always emit required fields on Responses API input items
• eb0fd62 fix: add cycle guard to subgraph pre-population recursion (PR #119 feedback)
• ec3f68b fix: address PR #113 review feedback
• 3d653da fix: address PR #113 round-2 review feedback
• be5fa3c fix: address PR #113 round-3 CodeRabbit feedback
• 073d2fc fix: address PR #113 round-4 review feedback
• 35d35e9 fix: address PR #115 review feedback
• aa1860d fix: address PR #117 review feedback (graph params)
• e95b7c1 fix: address PR #117 round-2 Copilot feedback
• b8815e0 fix: address PR #124 review feedback
• dc0bcc9 fix: address PR review findings — linter violations and nil guard
• 4eb91bd fix: correct doc comment placement in nodes_test.go (PR #119 Copilot)
• e206d1c fix: preserve child labels on subgraph prefix (PR #119 Copilot feedback)

Other

• 0817995 Initial plan
• 8a7e2d8 Initial plan
• ba48262 Merge branch 'main' into feat/library-api-v1
• 70fc1c2 Merge pull request #113 from 2389-research/feat/library-api-v1
• ea2eeb9 Merge pull request #115 from 2389-research/fix/openrouter-responses-api-114
• eea799c Merge pull request #117 from 2389-research/copilot/enhancement-graph-params-feature
• 1ea5dc1 Merge pull request #119 from 2389-research/copilot/feat-prepopulate-sidebar-tree
• 7f0398a Merge pull request #123 from 2389-research/improve-agent-swebench
• 975013f Merge pull request #124 from 2389-research/feat/dippin-lang-0.21
• fa64b62 Merge pull request #125 from 2389-research/release/v0.19.0
• e206a1b Merge remote-tracking branch 'origin/main' into improve-agent-swebench
• 9cdac98 chore: address review feedback for params overrides
• ae7c569 chore: ignore the entire .claude/ directory
• 4ddfdaf ci: install dippin CLI v0.21.0 (matches go.mod pin)
• ffdae4b docs(readme): update for v0.19.0 — new flags, release highlights, drop stale claims
• 7c049c7 docs: add agent checkpoints implementation plan
• b333d15 refactor(tracker): library API hardening for v1.0
• c03d95e release: v0.19.0 — library API hardening, OpenRouter fix, params, subgraph TUI, agent improvements
• 6d40fe4 test: add subgraph scoped event and TUI insertion tests