Traceknot Evidence-bound QA for coding agents. Run a host-neutral QA process. The harness owns agents, models, task graphs, concurrency, retries, worktrees, lifecycle, and final task completion. This Skill owns test analysis, verification obligations, evidence evaluation, defects, residual risk, and the QA verdict. Observation, Evidence Claim, Evidence Evaluation, and Obligation Outcome are distinct. An Observation records what was observed; an Evidence Claim states how an observation or artifact may support an obligation; an Evidence Evaluation determines whether that claim is accepted for t…