d7fa4b4743
Cut 1 of the hard-wired demo retirement — the copy+prove phase. The r-sma demo strategy now ships as runnable blueprint data under crates/aura-cli/examples/ (r_sma.json closed 2/4, r_sma_open.json open), emitted from the current builder so it is byte-for-byte the builder's serialization. Two load-bearing proofs, captured while the builder is still alive: - byte-fidelity: the shipped examples equal blueprint_to_json(&sma_signal(..)) — the "the copy is identical to the original" evidence the retirement method requires before any original is removed; - grade anchor: `aura run examples/r_sma.json` reproduces the built-in `--harness r-sma` metrics byte-for-byte (expectancy_r/sqn/total_pips/n_trades). Plus two property tests on the shipped copies (beyond the plan, kept as on-topic proof strengthening): the closed example introspects to zero unbound params (genuinely closed), and the open example lists exactly its two SMA-length axes from the public gallery location. Purely additive: the builder (sma_signal) and every inline r-sma surface are retained. The recon showed deleting the builder has a large transitive closure (the synthetic inline surface, the Strategy::RSma enum, ~40 integration tests); that removal is cut 1b, a separate cycle, made safe by the byte-fidelity proof frozen here. Full workspace suite green; clippy -D warnings clean. refs #159