Live devnet v4: a second RTX 5090 joining 7 minutes into an epoch left the whole-epoch reference lane polluted for the hour; the short lane read 11 to 25% above it and the 25% trigger flipped between the two for 40 minutes (102M to 164M, 54 to 81 blocks a minute). Record and hash-rate truth under sim/difficulty/records/. sim.py gains a DAG model (miners on nodes with igneum-miner's template staleness, GHOSTDAG, the rule as the node runs it) and --live replay: std of log difficulty 0.115 against the record's 0.134, 4.3 peaks of 1.31x against 4 of 1.37x. The brief's candidates (short lane 240/360, ease clamp 3%, clamp once per DAA second, hysteresis, median of three) leave 0.09 to 0.13; capping the reference lane at the newest 600 blocks of the epoch gives 0.026 with no flips. Rule v2 = that cap, epoch lane only, behind difficulty_v2_activation_daa (devnet-v4 fork). Attack suite and synthetic set before and after, 3-node test network of the switch (testnet_v2.py), analysis document, spec 2.3, bench-log entry, ledger M24, fast-time file carries the new field.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
GitHub Actions workflow (.github/workflows/ci.yml) on push and pull_request with three jobs on the free runners:
igneum-pow `cargo test --release` and the igneum-census build; the two Python simulators' --quick modes under a
120-second timeout; the site build, an internal link check of site/*.html (tools/ci/link-check.mjs) and a gh-free
identity grep of the public export list (tools/ci/identity-check.sh over tools/ci/forbidden-strings.txt: machine
names, LAN and overlay addresses, home paths, local time zones, the log-intake key pattern; never a key or a name).
The node fork is too big for CI today and the workflow says so.
sim/finality_v2.py --quick is now a genuine smoke run (one day or hour per scenario, one partition and one eclipse
setting): 149 s at nice 19 on a loaded Mac, was 745 s. sim/difficulty/sim.py gains --quick (up50 and warmup-hard,
kaspa and igneum controllers, 36 s). One bench-log time-zone label reworded so the identity grep passes.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
