v0.0.1-dev - Initial SDK Scaffold

Initial SDK scaffold - Phase 1 in progress.

What's Included

SDK Core

• AvalancheClient: main entry point with Mainnet and Fuji Testnet support
• NetworkConfig: official Avalanche RPC endpoints (C-Chain, P-Chain,
  X-Chain, Glacier API) sourced from docs.avax.network
• NetworkId: enum for Mainnet (1) and Fuji Testnet (5)
• AvalancheException: base exception class

Quality Infrastructure

• very_good_analysis linter: zero warnings enforced
• scripts/pre_commit.ps1: local gate (format + analyze + test)
• .github/workflows/ci.yml: GitHub Actions CI pipeline
  (format, analyze, test, coverage 85%+, pub dry-run)
• .github/pull_request_template.md: PR checklist

Documentation

• CONTRIBUTING.md: branch strategy, commit conventions, testing standards
• SECURITY.md: vulnerability reporting and key handling policy
• CHANGELOG.md: v0.0.1-dev initial entry
• example/phase1/: networkConfigExamples() with Fuji + Mainnet output

Tests

• 18/18 passing
• Coverage: 100% on all skeleton classes (above 85% CI threshold)

Checklist

• pre_commit.ps1 passes green locally
• 18/18 tests passing
• dartdoc on all public API elements
• No private key material anywhere
• CHANGELOG.md updated
• CI green on develop

Next Steps

After merging and publishing v0.0.1-dev on pub.dev:
Phase 1 (M1): secp256k1 key generation, BIP-39 mnemonics (EN + ES),
HD key derivation (BIP-44), EVM address derivation from public key