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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 127dbef8fc feat(learning-harness): family detectors, verifiers and tags in a scan
Task 3.4. A standard scan now classifies each hotspot region and runs the
detectors of every admitted family plus the generalist, reading the
configurations round zero wrote. A scan never creates them: a missing directory
is a recorded reason and the stage is skipped, which is also what happens when
no chat endpoint resolves.

Every claim passes through its family's verifier and carries what produced it:
the family, the detector version and what the verifier said. Nothing rises above
suspicion here, because the verifier writes a tag and the evidence ladder
belongs to another boundary. Reports gain a section naming the three, SARIF
gains the matching properties, and the manifest gains a learning block with the
taxonomy version, the per-family counts, the classifier report and the round.

The feature is off unless a project turns it on, so an existing scan is
unchanged, 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 11:33:26 +02:00