feat(legal): update legal documents and add zh_Hant support

apps/assets/legal/en/about_us.md

@@ -6,8 +6,20 @@ Six-Line divination comes from the deep philosophical system of the *I Ching*. I
 
 MeiYao Divination is built on this idea. Its core value is to help users step outside narrow thinking, understand contradictions, opportunities, and risks from a broader trend perspective, and make calmer, more thoughtful decisions. We hope AI can become a modern bridge to this traditional wisdom.
 
-## Important Notice
+---
 
-All divination interpretations are generated by AI and are for entertainment and reference only. They must not be used as the sole basis for business, medical, or other professional decisions.
+## Company Info
 
-Yue ICP 2025428416-1A
+**Developer:** Xunmee Technology (Shenzhen) Co., Ltd.
+
+**Contact Email:** xuyunlong@xunmee.com
+
+**Privacy Policy:** Available at Settings → Privacy → Privacy Policy in the App
+
+---
+
+## Important Disclaimer
+
+All divination interpretations are generated by AI and for entertainment and reference only. They are not intended to replace professional guidance in business, finance, medical, legal, or any other formal fields. We do not guarantee the accuracy or reliability of the content, and users shall take full responsibility for any decisions they make.
+
+© 2026 MeiYao Divination. All Rights Reserved.

apps/assets/legal/en/privacy_policy.md

@@ -1,63 +1,251 @@
 # Privacy Policy
 
-Dear user,
+**Last Updated**: April 17, 2026
 
-Welcome to MeiYao Divination. We understand that your privacy is important, and we take the protection of personal information seriously. This policy explains how we collect, use, store, and share your personal information, and how you can access and manage it.
+**Effective Date**: April 17, 2026
 
-## 1. Information We Collect
+---
 
-### Information you provide directly
+## 1. Who We Are
 
-- Account registration information, such as your phone number or verification code
-- Profile information you choose to fill in
-- Divination-related inputs and results you create in the app
+MeiYao Divination ("we," "us," or "our") is a mobile application developed and operated by Xunmee Technology (Shenzhen) Co., Ltd. This Privacy Policy explains how we collect, use, disclose, and protect your personal information when you use our mobile application (the "App").
 
-### Information collected automatically
+**Contact Information:**
+- Company: Xunmee Technology (Shenzhen) Co., Ltd.
+- Email: privacy@xunmee.com
+- Support Email: xuyunlong@xunmee.com
 
-- Device information, such as model, system version, and device settings
-- Log information, such as IP address, access time, page visits, and operation records
+---
 
-## 2. How We Use Information
+## 2. Information We Collect
 
-- To provide divination services and improve AI interpretation quality
-- To manage accounts and protect account security
-- To improve product quality through usage analysis
-- To contact you with service notifications, support, or feedback follow-up
+### 2.1 Personal Information We Collect
 
-## 3. Storage of Information
+We collect information that you provide directly to us and information that is collected automatically when you use our App.
 
-Personal information collected in China is generally stored on servers located within China. We only keep personal information for as long as necessary to meet legal obligations and service purposes, after which it will be deleted or anonymized.
+#### Information You Provide
 
-## 4. Sharing of Information
+- **Account Information**: When you create an account, we collect your email address and verification code.
+- **Divination Content**: When you use our divination services, we collect your questions, inputs, divination results, and session history.
+- **Customer Support**: If you contact us for support, we collect the information you provide in your message.
 
-We do not share personal information with third parties except in limited circumstances, such as:
+#### Information Collected Automatically
 
-- when you give clear consent,
-- when we work with service providers under proper safeguards,
-- when disclosure is required by law,
-- or when business restructuring, merger, or acquisition requires lawful transfer.
+When you use our App, we and our third-party partners automatically collect:
 
-## 5. Your Rights
+- **Device Information**: Device model, operating system version, device settings
+- **Usage Information**: Divination frequency, session duration, session history
+- **Technical Information**: Access timestamps, time zone information
+- **Attribution Data**: We use AppsFlyer and SKAdNetwork for attribution and marketing analytics. These services may collect device identifiers, IP addresses, and other information for advertising attribution purposes.
 
-You may request access to, correction of, or deletion of your personal information, and you may also request account cancellation. Please note that account cancellation may make related data unrecoverable.
+### 2.2 Categories of Personal Information Collected (Past 12 Months)
 
-## 6. Protection of Minors
+In the past 12 months, we have collected the following categories of personal information:
 
-If you are under 14 years old, please use the service under the guidance of a parent or legal guardian and obtain their prior consent.
+| Category | Collected | Examples |
+|----------|-----------|----------|
+| **A. Identifiers** | Yes | Email address |
+| **B. Personal Information Categories** | No | N/A |
+| **C. Protected Classification Characteristics** | No | N/A |
+| **D. Commercial Information** | No | N/A |
+| **E. Biometric Information** | No | N/A |
+| **F. Internet or Other Electronic Network Activity Information** | Yes | Session duration, divination frequency, device information |
+| **G. Geolocation Data** | No | N/A |
+| **H. Sensory Data** | No | N/A |
+| **I. Professional or Employment Information** | No | N/A |
+| **J. Education Information** | No | N/A |
+| **K. Inferences** | No | N/A |
 
-## 7. Security of Personal Information
+---
 
-We use reasonable organizational and technical measures, including encryption, access control, auditing, and monitoring, to protect personal information against unauthorized access, disclosure, use, modification, damage, or loss.
+## 3. How We Use Your Personal Information
 
-## 8. Policy Updates
+We use the personal information we collect for the following business purposes:
 
-We may update this policy from time to time due to legal, business, or service changes. Material changes will be communicated in a prominent way.
+- **To provide our services**: Process your divination queries, generate AI interpretations, store your session history, and deliver the core functionality of the App
+- **To communicate with you**: Send you service-related communications, respond to your inquiries, and provide customer support
+- **To improve our services**: Analyze usage patterns to enhance divination accuracy, fix bugs, and develop new features
+- **To protect our services**: Detect and prevent fraud, abuse, and security issues
+- **To comply with legal obligations**: Meet applicable legal, tax, and regulatory requirements
 
-## 9. Contact Us
+---
 
-If you have any questions or suggestions regarding this privacy policy, please contact us at:
+## 4. How We Share Your Personal Information
 
-- xuyunlong@xunmee.com
+### 4.1 Service Providers
 
-Xunmee Technology (Shenzhen) Co., Ltd.  
-June 1, 2025
+We share your personal information with third-party service providers who perform services on our behalf:
+
+| Service Provider | Purpose | Category of Information Shared |
+|------------------|---------|-------------------------------|
+| **Amazon Web Services (AWS)** | Cloud hosting and infrastructure | All personal information stored in our systems |
+| **AppsFlyer** | Attribution and marketing analytics | Device identifiers, IP addresses, usage information |
+
+These service providers are contractually obligated to use your personal information only for the purposes we specify and are prohibited from selling or sharing it for their own purposes.
+
+### 4.2 Disclosure for Business Purposes
+
+In the past 12 months, we have disclosed the following categories of personal information for business purposes:
+
+| Category of Personal Information | Disclosed | Recipient Categories |
+|---------------------------------|-----------|---------------------|
+| **A. Identifiers** | Yes | Cloud hosting providers, analytics providers |
+| **F. Internet or Other Electronic Network Activity Information** | Yes | Cloud hosting providers, analytics providers |
+
+### 4.3 Sale of Personal Information
+
+**We do not sell personal information.** In the past 12 months, we have not sold any personal information.
+
+### 4.4 Sharing of Personal Information for Cross-Context Behavioral Advertising
+
+**We do not share personal information for cross-context behavioral advertising.** In the past 12 months, we have not shared any personal information for cross-context behavioral advertising.
+
+---
+
+## 5. Your Privacy Rights (California Residents)
+
+If you are a California resident, you have the following rights under the California Consumer Privacy Act (CCPA) and California Privacy Rights Act (CPRA):
+
+### 5.1 Right to Know
+
+You have the right to request that we disclose what personal information we collect, use, disclose, and sell.
+
+### 5.2 Right to Delete
+
+You have the right to request that we delete any of your personal information that we have collected and retained, subject to certain exceptions.
+
+### 5.3 Right to Correct
+
+You have the right to request that we correct inaccurate personal information that we maintain about you.
+
+### 5.4 Right to Data Portability
+
+You have the right to request that we provide you with your personal information in a readily usable format that allows you to transmit the information to another entity without hindrance.
+
+### 5.5 Right to Opt-Out of Sale or Sharing
+
+**We do not sell or share personal information for cross-context behavioral advertising.** Therefore, you do not need to exercise this right with us.
+
+### 5.6 Right to Limit Use of Sensitive Personal Information
+
+We do not collect sensitive personal information as defined under CCPA/CPRA. Therefore, you do not need to exercise this right with us.
+
+### 5.7 Right to Non-Discrimination
+
+We will not discriminate against you for exercising any of your CCPA/CPRA rights.
+
+---
+
+## 6. How to Exercise Your Rights
+
+### 6.1 Submitting Requests
+
+To exercise your rights under the CCPA/CPRA, you may:
+
+- **Email us**: privacy@xunmee.com
+- **Use in-app features**: Settings → Privacy → Data Requests
+
+You do not need to create an account to submit a request.
+
+### 6.2 Verifying Your Identity
+
+To protect your privacy and security, we will take reasonable steps to verify your identity before processing your request. This may include asking you to provide information that matches what we have on file for your account.
+
+### 6.3 Response Time
+
+We will respond to your request within **45 days** of receipt. If we need more time (up to 90 days total), we will inform you of the reason and extension period in writing.
+
+### 6.4 Authorized Agent
+
+You may designate an authorized agent to submit requests on your behalf. We may require the authorized agent to provide proof of authorization and verify their identity.
+
+---
+
+## 7. Data Retention
+
+We retain your personal information for as long as necessary to fulfill the purposes for which it was collected, including:
+
+- **Account Information**: Retained while your account is active and for 90 days after account deletion (to comply with legal obligations)
+- **Divination Records**: Retained for 12 months, then deleted or anonymized
+- **Technical/Usage Data**: Retained for 90 days, then anonymized
+
+When your personal information is no longer needed, we will securely delete or anonymize it.
+
+---
+
+## 8. Data Security
+
+We implement reasonable security measures to protect your personal information from unauthorized access, use, or disclosure, including:
+
+- Encryption of data in transit using secure HTTPS/TLS protocols
+- Access controls and authentication mechanisms for user data
+- Regular security reviews and monitoring
+
+However, no security system is 100% secure, and we cannot guarantee the absolute security of your personal information.
+
+---
+
+## 9. Children's Privacy
+
+Our App is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13.
+
+If you believe we have collected personal information from a child under 13, please contact us immediately at privacy@xunmee.com. We will take steps to delete such information promptly.
+
+Users between the ages of 13 and 17 must have parental or guardian consent to use our App.
+
+---
+
+## 10. Cross-Border Data Transfers
+
+Your personal information may be transferred to and processed in the United States. By using our App, you consent to the transfer of your personal information to the United States.
+
+We ensure that appropriate safeguards are in place for cross-border transfers, including:
+
+- Secure data transmission using encryption
+- Contractual protections with service providers
+- Compliance with applicable data protection laws
+
+---
+
+## 11. Changes to This Privacy Policy
+
+We may update this Privacy Policy from time to time. If we make material changes, we will notify you by:
+
+- Posting the updated Privacy Policy in the App
+- Updating the "Last Updated" date at the top of this policy
+
+We encourage you to review this Privacy Policy periodically to stay informed about how we collect, use, and protect your personal information.
+
+---
+
+## 12. Contact Us
+
+If you have any questions about this Privacy Policy or our privacy practices, please contact us at:
+
+**Xunmee Technology (Shenzhen) Co., Ltd.**
+
+- **Privacy Officer**: privacy@xunmee.com
+- **Support Email**: xuyunlong@xunmee.com
+- **Address**: [Full Street Address], Shenzhen, Guangdong, China
+
+---
+
+## 13. Additional Rights for California Residents
+
+### 13.1 Right to Equal Service and Price
+
+You have the right not to receive discriminatory treatment for exercising your privacy rights under the CCPA/CPRA.
+
+### 13.2 Financial Incentive Programs
+
+We do not currently offer any financial incentive programs for the collection, sale, or deletion of personal information.
+
+### 13.3 Accessibility
+
+This Privacy Policy and our "Do Not Sell My Personal Information" link (if applicable) are accessible to users with disabilities.
+
+---
+
+**Last Updated**: April 17, 2026
+
+**Xunmee Technology (Shenzhen) Co., Ltd.**

apps/assets/legal/en/terms_of_service.md

@@ -1,36 +1,97 @@
-# Terms of Service
+# Terms of Service (US Compliant Version)
 
-## Chapter 1 General
+**Last Updated:** April 15, 2026
 
-MeiYao Divination is developed, operated, and maintained by Xunmee Technology (Shenzhen) Co., Ltd. By downloading, installing, registering, signing in, or otherwise using the app, you confirm that you have read, understood, and accepted these terms.
+## 1. Acceptance of Terms
 
-## Chapter 2 Service Description
+MeiYao Divination (the "App") is developed, operated, and maintained by **Xunmee Technology (Shenzhen) Co., Ltd.** ("we," "us," or "our").
 
-MeiYao Divination provides AI-based divination interpretation services, including manual and automatic casting flows. Service interruption caused by maintenance, failure, force majeure, or other reasonable causes does not constitute a breach.
+By downloading, installing, registering, accessing, or using the App, you ("you" or "user") acknowledge that you have read, understood, and **unconditionally agree** to be bound by these Terms of Service ("Terms") and our **Privacy Policy**. If you do not agree, you may not use the App.
 
-## Chapter 3 User Accounts and Information Security
+## 2. Age Requirement & COPPA Compliance
 
-Users must have proper legal capacity, provide true and valid registration information, and keep account credentials secure. Necessary personal information may be collected and processed according to the privacy policy.
+You represent and warrant that you are **at least 13 years of age** to use this App.
 
-## Chapter 4 Intellectual Property
+- This App is **not intended for use by children under 13**.
+- We do not knowingly collect personal information from users under 13. If we become aware that a child under 13 has provided us with personal data, we will delete such information immediately.
 
-All content of MeiYao Divination, including software, text, images, audio, video, charts, trademarks, and domains, is protected by law. Reverse engineering, decompilation, disassembly, or any attempt to obtain source code without written permission is strictly prohibited.
+## 3. Service Description
 
-## Chapter 5 User Conduct
+The App provides **AI-assisted Six-Line divination interpretation services** (including manual and automatic hexagram casting), rooted in traditional *I Ching* philosophy.
 
-Users may not publish unlawful content, infringe on the rights of others, disrupt normal service operation, exploit vulnerabilities, or conduct unauthorized commercial activity. The app may warn, restrict, suspend, or ban accounts that violate these rules and may pursue legal liability.
+- All divination results and interpretations are **AI-generated and for entertainment and reference purposes only**.
+- They are **not intended as professional advice** (financial, legal, medical, business, or otherwise).
+- We do not guarantee accuracy, completeness, or reliability of any AI-generated content.
+- Temporary service interruptions due to maintenance, technical failures, force majeure, or third-party issues do not constitute a breach of these Terms.
 
-## Chapter 6 Liability and Disclaimer
+## 4. User Accounts & Data Privacy
 
-Users are responsible for losses caused by their own violations of these terms. AI-generated divination results are for reference only and must not be treated as the sole basis for real-world decisions. Users assume the related risks.
+- You must provide **true, accurate, and complete registration information** and keep it updated.
+- You are responsible for maintaining the confidentiality of your account credentials and for all activities under your account.
+- We collect and process necessary personal information as described in our **Privacy Policy**, in compliance with applicable laws including **CCPA/CPRA (California Consumer Privacy Act)**.
+- California users have the right to access, delete, and opt out of the sale of their personal data as set forth in our Privacy Policy.
 
-## Chapter 7 Dispute Resolution
+## 5. Intellectual Property
 
-These terms are governed by the laws of the People's Republic of China. Disputes should first be resolved through friendly consultation. If consultation fails, either party may bring the dispute to the competent court where Xunmee Technology is registered.
+All content within the App—including software code, text, images, audio, video, trademarks, service marks, and design—is the exclusive property of Xunmee Technology (Shenzhen) Co., Ltd. and protected under **U.S. copyright law (DMCA)**, trademark law, and international treaties.
 
-## Chapter 8 Miscellaneous
+You may not:
 
-Notices may be delivered through contact information, system messages, internal messages, or announcements. If you need to contact Xunmee Technology, please email xuyunlong@xunmee.com.
+- Copy, modify, distribute, transmit, display, or create derivative works of the App or its content.
+- Reverse engineer, decompile, disassemble, or attempt to extract source code from the App.
+- Remove any copyright, trademark, or proprietary notices from the App.
 
-Xunmee Technology (Shenzhen) Co., Ltd.  
-June 1, 2025
+## 6. Prohibited User Conduct
+
+You agree not to:
+
+- Use the App for **illegal, harmful, fraudulent, or infringing activities**.
+- Post or transmit content that is unlawful, defamatory, obscene, threatening, or violates third-party rights.
+- Interfere with or disrupt the App's servers, networks, or security measures.
+- Exploit any vulnerabilities for unauthorized access or commercial use.
+- Make false or misleading claims regarding the App's divination results.
+
+We reserve the right to **warn, restrict, suspend, or terminate accounts** that violate these rules, without prior notice, and may pursue legal action where appropriate.
+
+## 7. Disclaimer of Warranties (US Standard)
+
+THE APP AND ALL SERVICES ARE PROVIDED **"AS IS" AND "AS AVAILABLE"**, WITHOUT WARRANTIES OF ANY KIND—EXPRESS OR IMPLIED—INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+
+WE DO NOT WARRANT THAT:
+
+- The App will be uninterrupted, secure, error-free, or accurate.
+- Results from the App will meet your expectations.
+- AI-generated content is reliable or suitable for any purpose.
+
+## 8. Limitation of Liability
+
+TO THE FULLEST EXTENT PERMITTED BY LAW:
+
+- IN NO EVENT SHALL XUNMEE TECHNOLOGY, ITS DIRECTORS, EMPLOYEES, OR AFFILIATES BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES ARISING FROM YOUR USE OF THE APP.
+- OUR TOTAL AGGREGATE LIABILITY FOR ANY CLAIM RELATED TO THE APP SHALL NOT EXCEED THE TOTAL AMOUNT YOU PAID TO US (IF ANY) IN THE PAST 12 MONTHS.
+
+## 9. Indemnification
+
+You agree to **indemnify and hold harmless** Xunmee Technology from all claims, damages, losses, and expenses (including legal fees) arising from:
+
+- Your violation of these Terms.
+- Your use or misuse of the App.
+- Your infringement of third-party rights.
+
+## 10. Governing Law & Dispute Resolution
+
+These Terms are governed by the **laws of the State of California, U.S.A.**, without regard to its conflict of laws principles.
+
+Any dispute arising from these Terms shall first be resolved through good-faith negotiation. If unresolved, disputes shall be settled in the **state or federal courts located in Los Angeles County, California**, and you consent to the personal jurisdiction of such courts.
+
+## 11. Modifications to Terms
+
+We reserve the right to **update or modify these Terms at any time**. We will notify users of material changes via in-app notice, email, or prominent posting. Your continued use after the effective date constitutes acceptance of the revised Terms.
+
+## 12. Contact Information
+
+For questions, concerns, or notices regarding these Terms:
+
+- **Company Name:** Xunmee Technology (Shenzhen) Co., Ltd.
+- **Contact Email:** xuyunlong@xunmee.com
+- **Privacy Policy:** [Insert your Privacy Policy URL here]