Improve repository documentation

[google-labs-jules]

User description

This submission improves the repository's documentation by adding a "System Architecture" section to the README.md file. This new section explains how the various smart contracts (PeoCoin, Staking, DCS, Governance, Conversion) interact, making it easier for new developers to understand the project's structure. Additionally, a full review confirmed that all Solidity source files already have complete NatSpec docstring coverage.

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PR created automatically by Jules for task 9888801203162304761 started by @arec1b0

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PR Type

Documentation

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Description

• Added "System Architecture" section to README.md

• Explains how five smart contracts interact together

• Documents the synergistic loop between contracts

• Clarifies roles of PeoCoin, Staking, DCS, Governance, and Conversion

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Diagram Walkthrough

flowchart LR
  PeoCoin["PeoCoin<br/>ERC-20 Token"]
  Staking["Staking<br/>Lock & Rewards"]
  DCS["DCS<br/>Score Calculator"]
  Governance["Governance<br/>Weighted Voting"]
  Conversion["Conversion<br/>Mobile Money Bridge"]
  
  PeoCoin -- "token balance" --> DCS
  Staking -- "staking info" --> DCS
  DCS -- "contribution score" --> Governance
  PeoCoin -- "lock tokens" --> Conversion

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File Walkthrough

	Relevant files
Documentation	README.md Add System Architecture documentation section                        README.md Added comprehensive "System Architecture" section explaining contract interactions Documented roles of PeoCoin, Staking, DCS, Governance, and Conversion contracts Illustrated the synergistic loop showing how users flow through the ecosystem Clarified data dependencies between contracts +23/-0

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[qodo-code-review]

PR Compliance Guide 🔍

(Compliance updated until commit 897d102)

Below is a summary of compliance checks for this PR:

Security Compliance
🟢	No security concerns identified No security vulnerabilities detected by AI analysis. Human verification advised for critical code.
Ticket Compliance
⚪	🎫 No ticket provided Create ticket/issue
Codebase Duplication Compliance
⚪	Codebase context is not defined Follow the guide to enable codebase context checks.
Custom Compliance
⚪	Generic: Comprehensive Audit Trails Objective: To create a detailed and reliable record of critical system actions for security analysis and compliance. Status: No code changes: This PR only adds documentation content with no new executable code to assess audit trail logging, so compliance cannot be determined from the diff alone. Referred Code ## System Architecture The PeoPay-Core contracts are designed to be modular and interoperable. Here’s a high-level overview of how they connect: - **`PeoCoin`** is the central token. It is a standard ERC-20 contract that forms the economic foundation of the ecosystem. - **`Staking`** contract allows users to lock their `PeoCoin` to earn rewards. This contract holds staked tokens and records the staking duration for each user. - **`DCS` (Dynamic Contribution Scoring)** acts as a data aggregator. It reads a user's token balance from the `PeoCoin` contract and their staking information (amount and duration) from the `Staking` contract. It then calculates a weighted score that represents a user's overall contribution. - **`Governance`** uses the `DCS` score to implement a weighted voting system. When a user votes on a proposal, the `Governance` contract fetches their score from `DCS` to determine the weight of their vote. This ensures that more active and invested users have a greater say in the ecosystem's future. - **`Conversion`** provides a bridge to traditional finance by allowing users to convert their `PeoCoin` into mobile money. It interacts with an off-chain backend service, locking tokens in the contract while the off-chain transfer is processed. This architecture creates a synergistic loop: 1. Users acquire **`PeoCoin`**. 2. They can **`Stake`** their tokens to earn rewards and increase their contribution score. 3. The **`DCS`** contract calculates their score based on their holdings and staking activity. 4. This score empowers them in the **`Governance`** process. 5. Finally, they can use the **`Conversion`** contract to exit into local currency. ... (clipped 2 lines) Learn more about managing compliance generic rules or creating your own custom rules
	Generic: Meaningful Naming and Self-Documenting Code Objective: Ensure all identifiers clearly express their purpose and intent, making code self-documenting Status: Documentation only: The PR adds descriptive README text without introducing identifiers or code elements to evaluate naming conventions. Referred Code ## System Architecture The PeoPay-Core contracts are designed to be modular and interoperable. Here’s a high-level overview of how they connect: - **`PeoCoin`** is the central token. It is a standard ERC-20 contract that forms the economic foundation of the ecosystem. - **`Staking`** contract allows users to lock their `PeoCoin` to earn rewards. This contract holds staked tokens and records the staking duration for each user. - **`DCS` (Dynamic Contribution Scoring)** acts as a data aggregator. It reads a user's token balance from the `PeoCoin` contract and their staking information (amount and duration) from the `Staking` contract. It then calculates a weighted score that represents a user's overall contribution. - **`Governance`** uses the `DCS` score to implement a weighted voting system. When a user votes on a proposal, the `Governance` contract fetches their score from `DCS` to determine the weight of their vote. This ensures that more active and invested users have a greater say in the ecosystem's future. - **`Conversion`** provides a bridge to traditional finance by allowing users to convert their `PeoCoin` into mobile money. It interacts with an off-chain backend service, locking tokens in the contract while the off-chain transfer is processed. This architecture creates a synergistic loop: 1. Users acquire **`PeoCoin`**. 2. They can **`Stake`** their tokens to earn rewards and increase their contribution score. 3. The **`DCS`** contract calculates their score based on their holdings and staking activity. 4. This score empowers them in the **`Governance`** process. 5. Finally, they can use the **`Conversion`** contract to exit into local currency. ... (clipped 2 lines) Learn more about managing compliance generic rules or creating your own custom rules
	Generic: Robust Error Handling and Edge Case Management Objective: Ensure comprehensive error handling that provides meaningful context and graceful degradation Status: No error paths: Only documentation was added; there are no new code paths to assess for error handling or edge case management. Referred Code ## System Architecture The PeoPay-Core contracts are designed to be modular and interoperable. Here’s a high-level overview of how they connect: - **`PeoCoin`** is the central token. It is a standard ERC-20 contract that forms the economic foundation of the ecosystem. - **`Staking`** contract allows users to lock their `PeoCoin` to earn rewards. This contract holds staked tokens and records the staking duration for each user. - **`DCS` (Dynamic Contribution Scoring)** acts as a data aggregator. It reads a user's token balance from the `PeoCoin` contract and their staking information (amount and duration) from the `Staking` contract. It then calculates a weighted score that represents a user's overall contribution. - **`Governance`** uses the `DCS` score to implement a weighted voting system. When a user votes on a proposal, the `Governance` contract fetches their score from `DCS` to determine the weight of their vote. This ensures that more active and invested users have a greater say in the ecosystem's future. - **`Conversion`** provides a bridge to traditional finance by allowing users to convert their `PeoCoin` into mobile money. It interacts with an off-chain backend service, locking tokens in the contract while the off-chain transfer is processed. This architecture creates a synergistic loop: 1. Users acquire **`PeoCoin`**. 2. They can **`Stake`** their tokens to earn rewards and increase their contribution score. 3. The **`DCS`** contract calculates their score based on their holdings and staking activity. 4. This score empowers them in the **`Governance`** process. 5. Finally, they can use the **`Conversion`** contract to exit into local currency. ... (clipped 2 lines) Learn more about managing compliance generic rules or creating your own custom rules
	Generic: Secure Error Handling Objective: To prevent the leakage of sensitive system information through error messages while providing sufficient detail for internal debugging. Status: No user errors: The diff contains only README content with no user-facing error handling to validate secure messaging. Referred Code ## System Architecture The PeoPay-Core contracts are designed to be modular and interoperable. Here’s a high-level overview of how they connect: - **`PeoCoin`** is the central token. It is a standard ERC-20 contract that forms the economic foundation of the ecosystem. - **`Staking`** contract allows users to lock their `PeoCoin` to earn rewards. This contract holds staked tokens and records the staking duration for each user. - **`DCS` (Dynamic Contribution Scoring)** acts as a data aggregator. It reads a user's token balance from the `PeoCoin` contract and their staking information (amount and duration) from the `Staking` contract. It then calculates a weighted score that represents a user's overall contribution. - **`Governance`** uses the `DCS` score to implement a weighted voting system. When a user votes on a proposal, the `Governance` contract fetches their score from `DCS` to determine the weight of their vote. This ensures that more active and invested users have a greater say in the ecosystem's future. - **`Conversion`** provides a bridge to traditional finance by allowing users to convert their `PeoCoin` into mobile money. It interacts with an off-chain backend service, locking tokens in the contract while the off-chain transfer is processed. This architecture creates a synergistic loop: 1. Users acquire **`PeoCoin`**. 2. They can **`Stake`** their tokens to earn rewards and increase their contribution score. 3. The **`DCS`** contract calculates their score based on their holdings and staking activity. 4. This score empowers them in the **`Governance`** process. 5. Finally, they can use the **`Conversion`** contract to exit into local currency. ... (clipped 2 lines) Learn more about managing compliance generic rules or creating your own custom rules
	Generic: Secure Logging Practices Objective: To ensure logs are useful for debugging and auditing without exposing sensitive information like PII, PHI, or cardholder data. Status: No logging added: No logging-related code was introduced in this documentation-only change, so secure logging cannot be evaluated. Referred Code ## System Architecture The PeoPay-Core contracts are designed to be modular and interoperable. Here’s a high-level overview of how they connect: - **`PeoCoin`** is the central token. It is a standard ERC-20 contract that forms the economic foundation of the ecosystem. - **`Staking`** contract allows users to lock their `PeoCoin` to earn rewards. This contract holds staked tokens and records the staking duration for each user. - **`DCS` (Dynamic Contribution Scoring)** acts as a data aggregator. It reads a user's token balance from the `PeoCoin` contract and their staking information (amount and duration) from the `Staking` contract. It then calculates a weighted score that represents a user's overall contribution. - **`Governance`** uses the `DCS` score to implement a weighted voting system. When a user votes on a proposal, the `Governance` contract fetches their score from `DCS` to determine the weight of their vote. This ensures that more active and invested users have a greater say in the ecosystem's future. - **`Conversion`** provides a bridge to traditional finance by allowing users to convert their `PeoCoin` into mobile money. It interacts with an off-chain backend service, locking tokens in the contract while the off-chain transfer is processed. This architecture creates a synergistic loop: 1. Users acquire **`PeoCoin`**. 2. They can **`Stake`** their tokens to earn rewards and increase their contribution score. 3. The **`DCS`** contract calculates their score based on their holdings and staking activity. 4. This score empowers them in the **`Governance`** process. 5. Finally, they can use the **`Conversion`** contract to exit into local currency. ... (clipped 2 lines) Learn more about managing compliance generic rules or creating your own custom rules
	Generic: Security-First Input Validation and Data Handling Objective: Ensure all data inputs are validated, sanitized, and handled securely to prevent vulnerabilities Status: No inputs handled: The PR introduces no new input handling or data processing code; therefore input validation and data handling security cannot be assessed. Referred Code ## System Architecture The PeoPay-Core contracts are designed to be modular and interoperable. Here’s a high-level overview of how they connect: - **`PeoCoin`** is the central token. It is a standard ERC-20 contract that forms the economic foundation of the ecosystem. - **`Staking`** contract allows users to lock their `PeoCoin` to earn rewards. This contract holds staked tokens and records the staking duration for each user. - **`DCS` (Dynamic Contribution Scoring)** acts as a data aggregator. It reads a user's token balance from the `PeoCoin` contract and their staking information (amount and duration) from the `Staking` contract. It then calculates a weighted score that represents a user's overall contribution. - **`Governance`** uses the `DCS` score to implement a weighted voting system. When a user votes on a proposal, the `Governance` contract fetches their score from `DCS` to determine the weight of their vote. This ensures that more active and invested users have a greater say in the ecosystem's future. - **`Conversion`** provides a bridge to traditional finance by allowing users to convert their `PeoCoin` into mobile money. It interacts with an off-chain backend service, locking tokens in the contract while the off-chain transfer is processed. This architecture creates a synergistic loop: 1. Users acquire **`PeoCoin`**. 2. They can **`Stake`** their tokens to earn rewards and increase their contribution score. 3. The **`DCS`** contract calculates their score based on their holdings and staking activity. 4. This score empowers them in the **`Governance`** process. 5. Finally, they can use the **`Conversion`** contract to exit into local currency. ... (clipped 2 lines) Learn more about managing compliance generic rules or creating your own custom rules

Compliance status legend

🟢 - Fully Compliant
🟡 - Partial Compliant
🔴 - Not Compliant
⚪ - Requires Further Human Verification
🏷️ - Compliance label

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Previous compliance checks

Compliance check up to commit 897d102

Security Compliance
🟢	No security concerns identified No security vulnerabilities detected by AI analysis. Human verification advised for critical code.
Ticket Compliance
⚪	🎫 No ticket provided Create ticket/issue
Codebase Duplication Compliance
⚪	Codebase context is not defined Follow the guide to enable codebase context checks.
Custom Compliance
🟢	Generic: Secure Error Handling Objective: To prevent the leakage of sensitive system information through error messages while providing sufficient detail for internal debugging. Status: Passed Learn more about managing compliance generic rules or creating your own custom rules
	Generic: Secure Logging Practices Objective: To ensure logs are useful for debugging and auditing without exposing sensitive information like PII, PHI, or cardholder data. Status: Passed Learn more about managing compliance generic rules or creating your own custom rules
⚪	Generic: Comprehensive Audit Trails Objective: To create a detailed and reliable record of critical system actions for security analysis and compliance. Status: No code changes: The PR only adds documentation and does not introduce or modify any runtime code where audit logging could be implemented or verified. Referred Code ## System Architecture The PeoPay-Core contracts are designed to be modular and interoperable. Here’s a high-level overview of how they connect: - **`PeoCoin`** is the central token. It is a standard ERC-20 contract that forms the economic foundation of the ecosystem. - **`Staking`** contract allows users to lock their `PeoCoin` to earn rewards. This contract holds staked tokens and records the staking duration for each user. - **`DCS` (Dynamic Contribution Scoring)** acts as a data aggregator. It reads a user's token balance from the `PeoCoin` contract and their staking information (amount and duration) from the `Staking` contract. It then calculates a weighted score that represents a user's overall contribution. - **`Governance`** uses the `DCS` score to implement a weighted voting system. When a user votes on a proposal, the `Governance` contract fetches their score from `DCS` to determine the weight of their vote. This ensures that more active and invested users have a greater say in the ecosystem's future. - **`Conversion`** provides a bridge to traditional finance by allowing users to convert their `PeoCoin` into mobile money. It interacts with an off-chain backend service, locking tokens in the contract while the off-chain transfer is processed. This architecture creates a synergistic loop: 1. Users acquire **`PeoCoin`**. 2. They can **`Stake`** their tokens to earn rewards and increase their contribution score. 3. The **`DCS`** contract calculates their score based on their holdings and staking activity. 4. This score empowers them in the **`Governance`** process. 5. Finally, they can use the **`Conversion`** contract to exit into local currency. ... (clipped 2 lines) Learn more about managing compliance generic rules or creating your own custom rules
	Generic: Meaningful Naming and Self-Documenting Code Objective: Ensure all identifiers clearly express their purpose and intent, making code self-documenting Status: Documentation only: The PR adds prose to README without adding or renaming code identifiers, so naming conventions cannot be evaluated in this diff. Referred Code ## System Architecture The PeoPay-Core contracts are designed to be modular and interoperable. Here’s a high-level overview of how they connect: - **`PeoCoin`** is the central token. It is a standard ERC-20 contract that forms the economic foundation of the ecosystem. - **`Staking`** contract allows users to lock their `PeoCoin` to earn rewards. This contract holds staked tokens and records the staking duration for each user. - **`DCS` (Dynamic Contribution Scoring)** acts as a data aggregator. It reads a user's token balance from the `PeoCoin` contract and their staking information (amount and duration) from the `Staking` contract. It then calculates a weighted score that represents a user's overall contribution. - **`Governance`** uses the `DCS` score to implement a weighted voting system. When a user votes on a proposal, the `Governance` contract fetches their score from `DCS` to determine the weight of their vote. This ensures that more active and invested users have a greater say in the ecosystem's future. - **`Conversion`** provides a bridge to traditional finance by allowing users to convert their `PeoCoin` into mobile money. It interacts with an off-chain backend service, locking tokens in the contract while the off-chain transfer is processed. This architecture creates a synergistic loop: 1. Users acquire **`PeoCoin`**. 2. They can **`Stake`** their tokens to earn rewards and increase their contribution score. 3. The **`DCS`** contract calculates their score based on their holdings and staking activity. 4. This score empowers them in the **`Governance`** process. 5. Finally, they can use the **`Conversion`** contract to exit into local currency. ... (clipped 2 lines) Learn more about managing compliance generic rules or creating your own custom rules
	Generic: Robust Error Handling and Edge Case Management Objective: Ensure comprehensive error handling that provides meaningful context and graceful degradation Status: No executable code: The changes are limited to documentation; no new error handling paths or edge case logic are introduced to assess. Referred Code ## System Architecture The PeoPay-Core contracts are designed to be modular and interoperable. Here’s a high-level overview of how they connect: - **`PeoCoin`** is the central token. It is a standard ERC-20 contract that forms the economic foundation of the ecosystem. - **`Staking`** contract allows users to lock their `PeoCoin` to earn rewards. This contract holds staked tokens and records the staking duration for each user. - **`DCS` (Dynamic Contribution Scoring)** acts as a data aggregator. It reads a user's token balance from the `PeoCoin` contract and their staking information (amount and duration) from the `Staking` contract. It then calculates a weighted score that represents a user's overall contribution. - **`Governance`** uses the `DCS` score to implement a weighted voting system. When a user votes on a proposal, the `Governance` contract fetches their score from `DCS` to determine the weight of their vote. This ensures that more active and invested users have a greater say in the ecosystem's future. - **`Conversion`** provides a bridge to traditional finance by allowing users to convert their `PeoCoin` into mobile money. It interacts with an off-chain backend service, locking tokens in the contract while the off-chain transfer is processed. This architecture creates a synergistic loop: 1. Users acquire **`PeoCoin`**. 2. They can **`Stake`** their tokens to earn rewards and increase their contribution score. 3. The **`DCS`** contract calculates their score based on their holdings and staking activity. 4. This score empowers them in the **`Governance`** process. 5. Finally, they can use the **`Conversion`** contract to exit into local currency. ... (clipped 2 lines) Learn more about managing compliance generic rules or creating your own custom rules
	Generic: Security-First Input Validation and Data Handling Objective: Ensure all data inputs are validated, sanitized, and handled securely to prevent vulnerabilities Status: No input handling: The PR does not modify input validation or data handling logic; only documentation was added, so security validation cannot be assessed here. Referred Code ## System Architecture The PeoPay-Core contracts are designed to be modular and interoperable. Here’s a high-level overview of how they connect: - **`PeoCoin`** is the central token. It is a standard ERC-20 contract that forms the economic foundation of the ecosystem. - **`Staking`** contract allows users to lock their `PeoCoin` to earn rewards. This contract holds staked tokens and records the staking duration for each user. - **`DCS` (Dynamic Contribution Scoring)** acts as a data aggregator. It reads a user's token balance from the `PeoCoin` contract and their staking information (amount and duration) from the `Staking` contract. It then calculates a weighted score that represents a user's overall contribution. - **`Governance`** uses the `DCS` score to implement a weighted voting system. When a user votes on a proposal, the `Governance` contract fetches their score from `DCS` to determine the weight of their vote. This ensures that more active and invested users have a greater say in the ecosystem's future. - **`Conversion`** provides a bridge to traditional finance by allowing users to convert their `PeoCoin` into mobile money. It interacts with an off-chain backend service, locking tokens in the contract while the off-chain transfer is processed. This architecture creates a synergistic loop: 1. Users acquire **`PeoCoin`**. 2. They can **`Stake`** their tokens to earn rewards and increase their contribution score. 3. The **`DCS`** contract calculates their score based on their holdings and staking activity. 4. This score empowers them in the **`Governance`** process. 5. Finally, they can use the **`Conversion`** contract to exit into local currency. ... (clipped 2 lines) Learn more about managing compliance generic rules or creating your own custom rules

[qodo-code-review]

PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Impact
High-level	Add architecture diagram to README Embed the Mermaid architecture diagram from the PR description into the README.md file. This will visually supplement the new text-based documentation, improving its clarity. Examples: README.md [44-63] ## System Architecture The PeoPay-Core contracts are designed to be modular and interoperable. Here’s a high-level overview of how they connect: - **`PeoCoin`** is the central token. It is a standard ERC-20 contract that forms the economic foundation of the ecosystem. - **`Staking`** contract allows users to lock their `PeoCoin` to earn rewards. This contract holds staked tokens and records the staking duration for each user. - **`DCS` (Dynamic Contribution Scoring)** acts as a data aggregator. It reads a user's token balance from the `PeoCoin` contract and their staking information (amount and duration) from the `Staking` contract. It then calculates a weighted score that represents a user's overall contribution. ... (clipped 10 lines) Solution Walkthrough: Before: ## System Architecture The PeoPay-Core contracts are designed to be modular and interoperable. Here’s a high-level overview of how they connect: - **`PeoCoin`** is the central token... - **`Staking`** contract allows users to lock their `PeoCoin`... - **`DCS`** (Dynamic Contribution Scoring) acts as a data aggregator... - **`Governance`** uses the `DCS` score... - **`Conversion`** provides a bridge to traditional finance... This architecture creates a synergistic loop: 1. Users acquire **`PeoCoin`**. 2. They can **`Stake`** their tokens... ... After: ## System Architecture The PeoPay-Core contracts are designed to be modular and interoperable. Here’s a high-level overview of how they connect: ```mermaid flowchart LR PeoCoin["PeoCoin<br/>ERC-20 Token"] Staking["Staking<br/>Lock & Rewards"] DCS["DCS<br/>Score Calculator"] Governance["Governance<br/>Weighted Voting"] Conversion["Conversion<br/>Mobile Money Bridge"] PeoCoin -- "token balance" --> DCS Staking -- "staking info" --> DCS DCS -- "contribution score" --> Governance PeoCoin -- "lock tokens" --> Conversion PeoCoin is the central token... Staking contract allows users to lock their PeoCoin... ... <details><summary>Suggestion importance[1-10]: 8</summary> __ Why: This is a high-value suggestion that significantly improves the new documentation by adding a visual diagram, making the complex system architecture much easier to understand at a glance. </details></details></td><td align=center>Medium </td></tr><tr><td rowspan=1>Security</td> <td> <details><summary>Clarify flash loan protection in governance</summary> ___ **Clarify how the governance mechanism is protected against flash loan attacks by <br>documenting the mitigation strategy, such as using vote snapshots.** [README.md [54]](https://github.com/peochain/PeoPay-Core/pull/12/files#diff-b335630551682c19a781afebcf4d07bf978fb1f8ac04c6bf87428ed5106870f5R54-R54) ```diff -- **`Governance`** uses the `DCS` score to implement a weighted voting system. When a user votes on a proposal, the `Governance` contract fetches their score from `DCS` to determine the weight of their vote. This ensures that more active and invested users have a greater say in the ecosystem's future. +- **`Governance`** uses the `DCS` score to implement a weighted voting system. When a user votes on a proposal, the `Governance` contract fetches their score from `DCS` to determine the weight of their vote. To prevent governance manipulation (e.g., via flash loans), voting power is based on a snapshot of the DCS score taken when the proposal was created. This ensures that only long-term, invested users have a say in the ecosystem's future. Apply / Chat Suggestion importance[1-10]: 8 __ Why: The suggestion correctly identifies a critical security consideration (flash loan attacks) for a DeFi governance system and proposes documenting the mitigation strategy, which is essential for transparency and user trust.	Medium
Possible issue	Document fund recovery for failed conversions Document the fund recovery mechanism for the Conversion contract in case the off-chain service fails, such as a timeout and refund function. README.md [56] -- **`Conversion`** provides a bridge to traditional finance by allowing users to convert their `PeoCoin` into mobile money. It interacts with an off-chain backend service, locking tokens in the contract while the off-chain transfer is processed. +- **`Conversion`** provides a bridge to traditional finance by allowing users to convert their `PeoCoin` into mobile money. It interacts with an off-chain backend service, locking tokens in the contract while the off-chain transfer is processed. If the off-chain transaction fails or is not confirmed within a predefined time limit, the user can reclaim their locked tokens, ensuring funds are never permanently lost. Apply / Chat Suggestion importance[1-10]: 8 __ Why: This suggestion addresses a critical user fund safety concern by pointing out the need to document the recovery mechanism for failed off-chain conversions, which is vital for building user trust.	Medium
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