Composable per-term losses#2715

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sebastian/losses-2026-06-04

Commits on Jun 4, 2026

chore(losses): add implementation plan for composable per-term losses

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chore(losses): make plan standalone for main; fold in settled decisions

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chore(losses): add opd core/preset + path-unification trajectory (§16)

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refactor(losses): apply loss as a summed list of terms (phase 1)

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feat(losses): echo core + multi-term compute_loss (phase 2a)

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feat(losses): echo as a preset, end-to-end (phase 2b)

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feat(losses): unified losses-term config DSL (phase 3, step 1)

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feat(losses): unify config surface onto the `losses` list (phase 3, step 2)

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feat(losses): config validation polish (phase 4)

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docs(losses): record as-built status + deferrals in the plan

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fix(losses): review batch — validators, echo export, doc notes

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fix(losses): per-env primary disable + primary-term validation (review #2/#5)

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fix(losses): validate per-run losses match the trainer in multi-run (review #3)

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fix(losses): don't require/gate a losses term for sft/opd modes

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test(losses): match the updated rl-primary error message

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fix(losses): 2nd review — echo-only filtering, drop sft/opd presets, sft warning

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cleanup
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test(losses): fix stale duplicate-name test after dropping sft preset

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fix(losses): address main-diff review — filter gating, metrics, validation

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chore: untrack local review artifact

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Composable per-term losses#2715

Composable per-term losses#2715
snimu wants to merge 20 commits into
mainfrom
sebastian/losses-2026-06-04

Commits on Jun 4, 2026

chore(losses): add implementation plan for composable per-term losses

chore(losses): make plan standalone for main; fold in settled decisions

chore(losses): add opd core/preset + path-unification trajectory (§16)

refactor(losses): apply loss as a summed list of terms (phase 1)

feat(losses): echo core + multi-term compute_loss (phase 2a)

feat(losses): echo as a preset, end-to-end (phase 2b)

feat(losses): unified losses-term config DSL (phase 3, step 1)

feat(losses): unify config surface onto the `losses` list (phase 3, step 2)

feat(losses): config validation polish (phase 4)

docs(losses): record as-built status + deferrals in the plan

fix(losses): review batch — validators, echo export, doc notes

fix(losses): per-env primary disable + primary-term validation (review #2/#5)

fix(losses): validate per-run losses match the trainer in multi-run (review #3)

fix(losses): don't require/gate a losses term for sft/opd modes

test(losses): match the updated rl-primary error message

fix(losses): 2nd review — echo-only filtering, drop sft/opd presets, sft warning

cleanup

test(losses): fix stale duplicate-name test after dropping sft preset

fix(losses): address main-diff review — filter gating, metrics, validation

chore: untrack local review artifact