- mining_benchmark: when a thread benchmark finishes with no nonzero
hashrate sample (e.g. the pool never reported a rate), don't finish
silently — set a new `inconclusive` flag on ThreadBenchmarkUpdate and
let mining_tab warn. Keeps the state-machine core pure/no-I/O (it is
unit-tested), rather than calling the Notifications singleton from it.
- mining_controls: fold the two byte-identical idle-delay combo blocks
(non-scaling + thread-scaling branches) into one lambda parameterised
by combo id; removes ~30 lines of duplication.
- request_payment: drop the dead s_selected_addr_idx state and write the
address-selected comparisons as std::string == char* consistently.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>