v0.7.2

• probe --roles-from-logs works on free RPCs: the scan starts at the contract's creation block (Sourcify, else a code binary search), uses a public full-history log gateway per chain (Ethereum, Optimism, Arbitrum, Gnosis, Polygon; Base is range-limited) or --logs-rpc, splits ranges adaptively and remembers the working chunk size, and names roles from the verified ABI's bytes32 getters