feat(delphi): mode collapse C7 — harness identifier purge + flag machinery deletion - #2671
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…inery deletion GOAL_CUTOVER_READY.md Phase 2, final chunk. The DONE-gate grep (ENGINE_MODE|engine_mode|resolve_engine_mode over delphi/polismath/) now returns ZERO hits: - certify.py: BatteryEntry/derive_schedule_id/parse_battery_entry drop the mode; schedule ids keep their historical -clojure-legacy suffix via the frozen _LEGACY_SUFFIX literal, and fingerprints bake the same literal into the digest — recording directories AND every historical divergences.json key stay valid. Manifest drops its mode key (rides the same py re-record the engine change already forced). run_py_driver no longer sets any env; compare_recording_pair drops its dead mode param; battery reports/ledger observations drop the mode field (historical ledger values keep theirs on disk). - poller_equiv.py: env plumbing deleted (build_py_env/PyPollerRunner/ EquivConfig). store.py provenance drops the env record. - polismath/utils/engine_mode.py DELETED; scripts/certify_battery.json entries drop the key. - Test sweep: engine-mode imports/fixtures/setenv removed across 20 test files; test_engine_mode.py and the two env-guard conftest fixtures deleted; 9 default-mode tests re-pinned to the now-only legacy semantics (arrival-order tid export, inert bans, bucket votes-base, 1x1 real-math edge case, bid group members, greedy-floor-aware D2c); D9/D10 vw-cold_start comparisons now XPASS (parity improved). Full suite: 1155 passed / 22 skipped / 44 xfailed / 2 xpassed. commit-id:7f42df81
This was referenced Jul 27, 2026
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docs(delphi): R1-parity goal docs, journal (2026-07-18 → 07-24 s5), quirks + divergence ledger
#2626
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This was referenced Jul 27, 2026
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GOAL_CUTOVER_READY.md Phase 2, final chunk. The DONE-gate grep
(ENGINE_MODE|engine_mode|resolve_engine_mode over delphi/polismath/) now
returns ZERO hits:
mode; schedule ids keep their historical -clojure-legacy suffix via the
frozen _LEGACY_SUFFIX literal, and fingerprints bake the same literal
into the digest — recording directories AND every historical
divergences.json key stay valid. Manifest drops its mode key (rides the
same py re-record the engine change already forced). run_py_driver no
longer sets any env; compare_recording_pair drops its dead mode param;
battery reports/ledger observations drop the mode field (historical
ledger values keep theirs on disk).
EquivConfig). store.py provenance drops the env record.
entries drop the key.
files; test_engine_mode.py and the two env-guard conftest fixtures
deleted; 9 default-mode tests re-pinned to the now-only legacy
semantics (arrival-order tid export, inert bans, bucket votes-base,
1x1 real-math edge case, bid group members, greedy-floor-aware D2c);
D9/D10 vw-cold_start comparisons now XPASS (parity improved).
Full suite: 1155 passed / 22 skipped / 44 xfailed / 2 xpassed.
commit-id:7f42df81
Stack: