feat: ensure Aave + Morpho supported on all OP Stack chains

[its-everdred]

Summary

Closes #269

• Add Ink (57073), Soneium (1868), Mode (34443) to supported chains
• Refactor Aave address config to unified Partial<Record<SupportedChainId, AaveAddresses>> pattern (matching Uniswap)
• Add Aave V3 addresses for Soneium and Ink (from aave-address-book)
• Refactor Morpho address config to unified Partial<Record<SupportedChainId, MorphoContracts>> pattern
• Add Morpho Blue addresses (IRM) for OP Mainnet, Base, Unichain, World Chain, Ink, Soneium, Mode
• Fix Morpho GraphQL API hardcoded chainId: 130 — now passes actual chain ID
• Fix MorphoLendProvider.SUPPORTED_CHAIN_IDS over-claiming support for all chains
• Add ETH/WETH/USDC asset entries for new chains (fix missing worldchain ETH)
• Remove dead code (isAaveChainSupported, isMorphoChainSupported)
• Update stale mainnet/testnet comments

Protocol Deployment Matrix

Chain	ID	Uniswap V4	Aave V3	Morpho Blue
OP Mainnet	10	✅	✅	✅
Base	8453	✅	✅	✅
Unichain	130	✅	❌	✅
World Chain	480	✅	❌	✅
Ink	57073	❌	✅	✅
Soneium	1868	❌	✅	✅
Mode	34443	❌	❌	✅

Test plan

• pnpm tsc --noEmit — 0 errors
• pnpm vitest run — 47 test files, 339 passed, 0 failed
• pnpm lint:fix — 0 errors (66 pre-existing warnings)
• Updated Aave test to expect 6 chains (was 4)
• Updated Morpho API test calls to pass chainId parameter

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[its-applekid]

Review Notes

Architecture:
✅ Unified address config pattern for Aave (Partial<Record<SupportedChainId, AaveAddresses>>) matches Uniswap — good consistency
✅ Dead code removal (isAaveChainSupported, isMorphoChainSupported) — nice cleanup
✅ Protocol deployment matrix in PR description is excellent for reference

Bug Fixes:
✅ Morpho GraphQL API hardcoded chainId: 130 fix — critical for multi-chain support
✅ MorphoLendProvider.SUPPORTED_CHAIN_IDS over-claiming support — good catch

New Chains:

• Ink (57073)
• Soneium (1868)
• Mode (34443)

Address Verification:
🔒 Aave V3 addresses sourced from aave-address-book (trusted source)
🔒 Morpho Blue IRM addresses — verify these are correct for each chain

Test Coverage:
✅ Tests updated (47 files, 339 passed)
✅ Aave test expects 6 chains (was 4)
✅ Morpho API test passes chainId

Concern:

• Missing ETH/WETH/USDC for World Chain fixed in this PR — good catch! Any other missing asset definitions for new chains?

Ready for merge?
After Morpho address verification, yes. Clean PR!