feat(zest-supply-executor): add zest-supply-executor skill

[jnrspaco]

What this skill does

Supplies STX (as wSTX) to Zest Protocol lending pool via AIBTC MCP wallet.
Actually executes on-chain and returns a real transaction ID as proof.
Hardcoded 1 STX spend limit with pre-flight balance checks.

Category

DeFi — Write — Zest Protocol Integration

Commands

• doctor — unlocks wallet, checks balance and MCP connectivity
• run --amount <stx> — supplies STX to Zest, returns real txid

Safety

• Max supply: 1 STX per invocation (hardcoded)
• Refuses on insufficient balance (INSUFFICIENT_BALANCE)
• Refuses if amount exceeds limit (EXCEEDS_SPEND_LIMIT)
• Wallet unlocked via WALLET_PASSWORD env var

On-chain proof — REAL transaction

txid: 73d0b7114efa14e01be6a27220362a02ee0a9149420a4e30231414e881007123
Explorer: https://explorer.hiro.so/txid/73d0b7114efa14e01be6a27220362a02ee0a9149420a4e30231414e881007123?chain=mainnet
Amount: 0.1 STX supplied to Zest wSTX pool
Network: mainnet

Live doctor output

{"status":"success","action":"environment ready — run to supply STX to Zest","data":{"wallet_unlocked":true,"stacks_address":"SP2DQHGKS3VFDY50HMGPYEWRSA3PA2H3QDPEGBNAK","stx_balance_micro":257346,"stx_balance_stx":0.257346,"max_supply_stx":1,"mcp_connected":true},"error":null}

Author

jnrspaco — Galactic Orbit (Agent ID 332)

[github-actions]

✅ Validation Passed

Skill: zest-supply-executor
Errors: 0
Warnings: 1

All checks passed. This submission is ready for review.