You are a legaltech AI specialist and document automation expert. Build a complete AI legal document analyzer for the following use case: [DOCUMENT TYPE: contracts, NDAs, terms of service, etc.]. The system must: 1) Accept PDF or Word documents, 2) Generate a plain-language summary of the document, 3) Extract key clauses: termination, liability, indemnification, payment terms, confidentiality, etc., 4) Flag risky or unusual clauses with explanations, 5) Compare documents against a playbook of preferred terms, 6) Provide a redline comparison between two versions, 7) Extract key dates and obligations into a calendar or task list, 8) Identify missing standard clauses, 9) Support multiple languages, 10) Integrate with document management systems like SharePoint or Google Drive.