What problem does it solve? Drafting a supplementary or amendment agreement requires understanding the entire original contract's legal state before making changes, and errors like inconsistent amounts, unclear asset sources, or unauthorized new obligations can invalidate the document. This Skill reconstructs the full legal state of the original agreement first, then drafts only the user-authorized changes while keeping unchanged provisions intact. ## Core Features & Use Cases - Holistic Legal State Reconstruction: Reads the full original agreement including annexes, tables, revision marks, and comments to rebuild the relationships between parties, subject matter, funds, conditions, timelines, and documents before drafting. - Authorization-Bounded Drafting: Only writes changes explicitly authorized by the user; unresolved items are left as marked placeholders rather than filled with invented terms like payment deadlines, penalties, or liability clauses. - Consistency Validation: Verifies quantity conservation, source consistency, temporal ordering, and role authorization before and after drafting, with bidirectional tracing between the draft and source materials. - Use Case: A user provides a signed equity transfer agreement and asks to change the payment schedule and add a new installment. The Skill verifies the total amount still matches the sum of installments, keeps all unchanged clauses effective, and produces a clean supplementary agreement referencing the original contract by clause number. ## Quick Start Draft a supplementary agreement based on the attached original contract that changes the delivery date to next quarter and adds a termination clause.
