ENH: reproducible Monte Carlo via per-simulation-index seeding - #1054

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thc1006 wants to merge 45 commits into

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thc1006:enh/reproducible-montecarlo-seeding

Commits on Aug 15, 2026

ENH: reproducible Monte Carlo via per-simulation-index seeding
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dded176
TST: cover Monte Carlo seeding helpers directly
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57c3c0d
BUG: fix Monte Carlo seeding race and non-reproducible SeedSequence
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fa4f7ff
ENH: derive Monte Carlo per-index seeds in O(1) and seed models with 128-bit ints
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2a43313
BUG: sample list-valued stochastic attributes through the seeded generator
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a76d612
TST: verify Monte Carlo seed derivation is start-method invariant
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a5090c2
BUG: seed list/position sampling and decorrelate rocket components
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96889c8
BUG: validate the run seed before truncating output; tidy the seed helper
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decc844
BUG: hold each stochastic model's nominal values steady across a run
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50cc672
BUG: reseed air brakes and reapply eccentricity for every simulation
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c93d751
BUG: stop a failed or interrupted parallel run from looking successful
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15cf21c
TST: run the real parallel path on every start method
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df18cae
MNT: patch the mangled private names through monkeypatch
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b6e2113
BUG: bound shutdown, strict logs, and exception state on both run paths
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4dbe216
BUG: stop the completeness check refusing the files append exists for
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85a6c4b
BUG: validate a Monte Carlo checkpoint before appending to it
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abff63d
BUG: keep the component count out of the rocket body stream
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7a53158
BUG: fix three Monte Carlo contracts this branch got wrong
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b43ec99
TST: gate the parallel path on spawn and forkserver, not just fork
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62f47d8
BUG: make the captured root seed a real snapshot
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6b04d5a
BUG: bound the shutdown by one deadline, not one per worker
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4065516
TST: compare fleet sizes rather than the grace, which Windows cannot meet
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b477b6b
DOC: stop offering to renumber a legacy checkpoint
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c985298
Give the serial path the same error record as the workers
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761679e
Stop the failure paths from replacing the failure
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ccf5023
Stop the fleet size deciding how soon an error is noticed
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b94ab9a
Keep a diagnostic from becoming the failure it describes
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ceaa259
Two more ways a secondary failure could replace the primary one
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fe4d68d
DOC: two things the docstrings promised more of than they deliver
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6318bfa
A data collector could file a row under another simulation
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5e9be5b
DOC: what the seed does not promise, and one import pylint rejects
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819c474
DOC: say what the seed tree does not reach
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6e2ea33
DOC: name the right gaps in the reproducibility scope
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2ec060c
BUG: say so when an append leaves the seed lineage, and hold nominals still
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a00eafe
BUG: refuse a bool count, and say how a row stopped
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0f88ff7
BUG: log the flight inputs the flight was built from
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5228894
BUG: settle a checkpoint's lineage from a manifest, not from its shape
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3092999
BUG: roll the logs back when one of three installs fails
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0eb0e58
BUG: keep the inputs a simulation had drawn when it fails early
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2b0f57a
TST: compare the log mode against what it had, not against 0644
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c5eae34
BUG: do not turn a recorded simulation into a failed one
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d9e40dd
BUG: recover inputs per model, and stop clearing documented state
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069134e
BUG: refuse an append from another root instead of warning about it
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efbce66
BUG: declare eccentricities so the reseeded draw still reaches them
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81d3e58
BUG: record what a run committed, and which logs it committed it to
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cf99e87