Copilot instructions

1# GitHub Copilot Instructions for go-crypto-wallet
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3## Project Overview
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5This is a cryptocurrency wallet implementation supporting BTC, BCH, ETH, XRP, and ERC-20 tokens.
6**Security is paramount** - this project handles private keys and cryptocurrency transactions.
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8## Quick Reference
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10- **Architecture**: Clean Architecture with clear layer separation
11- **Primary Language**: Go (backend, wallet operations)
12- **Additional Languages**: TypeScript/JavaScript (apps/), Solidity, SQL, HCL, Protobuf
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14## General Guidelines
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16- Follow Clean Architecture principles (see [ARCHITECTURE.md](../ARCHITECTURE.md))
17- Refer to [docs/guidelines/](../docs/guidelines/) for detailed coding conventions
18- Follow [AGENTS.md](../AGENTS.md) for behavior guidelines
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20## Code Suggestions
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22- Use Go 1.25+ features where appropriate
23- Follow error wrapping pattern: `fmt.Errorf("context: %w", err)`
24- Prefer interfaces for dependencies (Dependency Inversion)
25- Domain layer has **ZERO infrastructure dependencies**
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27## Security Requirements
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29See [docs/guidelines/security.md](../docs/guidelines/security.md) for full details.
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31Key rules:
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33- **NEVER** log private keys or sensitive information
34- Always validate inputs at boundaries
35- Consider offline wallet implications (keygen, sign)
36- Security-related changes must be reviewed
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38## Testing
39 
40See [docs/guidelines/testing.md](../docs/guidelines/testing.md) for testing strategy.
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42## Coding Conventions
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44See [docs/guidelines/coding-conventions.md](../docs/guidelines/coding-conventions.md) for standards.
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46## Workflow
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48See [docs/guidelines/workflow.md](../docs/guidelines/workflow.md) for Git operations and PR guidelines.
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50## Auto-Generated Files
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52**DO NOT EDIT** files containing `DO NOT EDIT` comments:
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54- `internal/infrastructure/database/sqlc/*.go`
55- `internal/infrastructure/api/xrp/xrp/*.pb.go`
56- `internal/infrastructure/contract/token-abi.go`
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