feat: sandcastle refinement loop with critic-based convergence#111

Merged

jerome-benoit merged 32 commits into

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feat/sandcastle-refinement-loop

May 5, 2026

Commits on May 5, 2026

fix: distinguish stalled from converged (re-reported findings → draft PR)
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fix: LOW-only findings should not prevent convergence
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fix: log validation errors, conditional checklist, derive PR title from labels
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refactor: extract sandcastle into modular architecture
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fix: centralize constants, fix PR type-of-change, sanitize titles
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fix: full validation post-rebase, execFileSync for gh issue list
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perf: skip critic when implementer produces 0 commits on round 2+
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fix: remove unsound type guard, filter unknown plan IDs, guard ConcurrencyPool, warn on planner exhaustion
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feat: state-of-the-art algorithmic improvements
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fix(sandcastle): resolve all algorithmic audit findings
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fix(sandcastle): harden subprocess calls and reduce cyclomatic complexity
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fix(sandcastle): address review findings — convergence, planner failure, rebase note
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fix(.sandcastle): address all algorithmic audit findings
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fix: unref timeout timer to prevent process hang, catch critic throws
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fix: count commits before break on critic failure (prevents work loss)
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fix: suppress unhandled rejection from timeout promise on task success
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fix: force process exit after completion (prevents hang from timed-out sandboxes)
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fix: check findings null before commits zero (correct status on implementer crash)
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fix: report known findings in PR body even when converged (prevents silent false convergence)
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feat: state-of-the-art convergence improvements (ARCS, SWE-Agent, OpenHands)
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fix: move bestSha after ratchet, add validation timeout, fix severity/bestSha mismatch
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fix: recount totalCommits from git after best-state reset (semantic correctness)
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refactor(.sandcastle): address all 45 quality audit findings
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fix: use constants from constants.ts + add planner timeout (multi-agent audit findings)
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refactor(.sandcastle): harden prompts — cap findings, add known decisions, scope preference
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perf(.sandcastle): convert execFileSync to async execFileAsync (unblock event loop)
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fix: catch planner timeout rejection (retry instead of crash) + add catch type annotations
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Merge branch 'main' into feat/sandcastle-refinement-loop
jerome-benoit
authored