[testnet] Shear wallet 0.30

[testnet] Shear wallet 0.30

• Dest-bind privacy: on-chain dests ssa1 only; amounts public
• Hash bonus 1u per proven floor share, paid to each hasher dest on lag-1 coinbase (not finder-only)
• Full she1 payment-code login pays destCommit(spendPub) (Copy dest). Fingerprint-only she1 is unpaid. Login ssa1.worker from Copy dest.
• macOS Developer ID + notarized + stapled
• Android versionName 0.30 versionCode 42
• Linux/Arch ELF shear_wallet, no miner (attached when DE pack finishes)
• Miner stays ShearK 1.6 (ssa1.worker)

Do not overwrite 0.29 artifacts.