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2 Commits
Author SHA1 Message Date
Marius CiepluchandClaude Opus 5 1843ef9a02 fix(learning-harness): the round-3 review findings, remediated RED-first
Eight of nine group-3 tasks were rejected. Each defect was hiding a number,
and the numbers are why the loop was not learning:

- The fixed side was judged against the *vulnerable* side's function
  ranges. 191 of 227 pairs with a resolvable labeled span (84%) have
  different spans on the two sides, so a leak was recorded as silence,
  always in the direction that flatters Youden.
- Round zero measured every family with the generalist. `family:unknown`
  earns no credit against any real family, so every family but `unknown`
  baselined at a structural zero and every noise floor with it.
- The cross-family sweep counted absolute failures instead of negative
  flips. On a corpus where most pairs fail at round zero that rejects
  every round for damage it did not do. Unscorable rows voted too.
- K runs was declared and never threaded; `pairs --k-runs` was parsed and
  discarded, and its only test grepped `--help`.
- The meta-agent proposer was a stub, so `learning round` could never
  propose anything. It now composes MetaAgent.evolve against a scratch
  copy of the family directory, and `--proposals FILE` runs a recorded
  sequence offline.
- `refused_holdout` was a vocabulary word no code path could produce, and
  the covering test accepted either outcome.
- Cost was metered once, after everything had been paid for; a stage that
  raised left no record at all.
- The corrected lever number was published beside the earlier one rather
  than in place of it, and the test named for that property never checked.
- Refusals were `continue` statements: `Refusal.degradation()` existed and
  nothing called it. A train-split identical twin was reported as
  `split:train`, which is untrue.

Test repairs that each changed a number: two split tests measured an
`x = 1` fixture that teaches nothing whatever the rule says; two CLI
scoreboard tests asserted against all-zero output produced by a stub that
answers twice and puts its finding outside the labeled function.

Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
Claude-Session: https://claude.ai/code/session_01T7XD7x5KonMdmGRkp63EQG
2026-09-06 13:03:06 +02:00
Marius CiepluchandClaude Opus 5 7a33756a7e feat(learning-harness): the learning subcommands
Task 3.9. Five entry points make the classified detector set reachable:
classify a corpus and report the classifier against itself, score a catalog by
family, run round zero, run one evolve round, and publish every number from its
artifacts. The pairs command gains a runs-per-pair flag, since the family scorer
needs more than one.

Every step degrades with a reason rather than failing: with no chat endpoint the
run says so and still records what it could measure without a detector, and a
missing configuration directory is written from the current hunter prompt rather
than being an error. Artifacts are keyed by model throughout, so comparing a
second detector is a flag rather than a rewrite.

Both matrices are green and all three gate outputs stay byte-identical.

Co-Authored-By: Claude Opus 5 (1M context) <[email protected]>
Claude-Session: https://claude.ai/code/session_01T7XD7x5KonMdmGRkp63EQG
2026-09-06 12:06:16 +02:00