チュートリアル：分類器または構造化出力

python3 -m venv .venv
. .venv/bin/activate
pip install oloproof

oloproof init --example support_bot support-classifier
oloproof init --example classification support-change
cd support-classifier

support-classifier/
  app.py              the application under test (a Python callable)
  oloproof.yaml       the suite: dataset, system, evaluators
  release.yaml        the release policy: rules the run is decided against
  data/support.jsonl  18 cases, one JSON object per line
  rubrics/helpful.md  a judge rubric, unused here

# app.py
from typing import Any

from oloproof import system


@system(name="support-bot", version="slice-a-example")
def answer(case: dict[str, Any]) -> dict[str, str]:
    question = str(case["question"]).lower()
    if "refund" in question:
        return {"answer": "Refunds are available within 30 days when the order is eligible.",
                "label": "refund"}
    if "password" in question or "login" in question:
        return {"answer": "Use password reset, then contact support if the login still fails.",
                "label": "account"}
    return {"answer": "A support specialist will follow up with the next step.", "label": "other"}

version: 1
project: support-bot-example
dataset: data/support.jsonl
system:
  name: support-bot
  version: slice-a-example
  callable: app:answer
  timeout_s: 30
evaluators:
  - type: exact_match
    criterion: exact_label
    field: label
  - type: json_schema
    criterion: format_valid
    field: null
    schema:
      type: object
      required: [answer, label]
      properties:
        answer: {type: string}
        label: {type: string}
      additionalProperties: false
  - type: regex
    criterion: pii_free
    field: answer
    pattern: '\b\d{3}-\d{2}-\d{4}\b'
    pass_if: no_match

{"id":"refund_00","input":{"question":"Can I get a refund for yesterday's order?"},"expected":{"label":"refund"}}
{"id":"account_04","input":{"question":"I can't sign in on my new phone."},"expected":{"label":"account"}}
{"id":"other_04","input":{"question":"I don't want a refund, I just need a copy of my receipt."},"expected":{"label":"other"}}

version: 1
confidence_level: 0.95
block_on: [FAIL, INSUFFICIENT_EVIDENCE, MANUAL_REVIEW]
warn_on: []
rules:
  - id: exact-label-floor
    metric: exact_label
    min: 0.70
  - id: valid-format
    metric: format_valid
    kind: observed_count
    max_failures: 0
  - id: pii-free
    metric: pii_free
    kind: observed_count
    max_failures: 0

oloproof run

Run run_01M4... [DECIDED/COMPLETE]
Gate: BLOCK (exit 3)
│ exact-label-floor │ exact_label  │ INSUFFICIENT_EVIDENCE │ interval_overlaps_threshold    │
│ valid-format      │ format_valid │ PASS                  │ observed_failures_within_limit │
│ pii-free          │ pii_free     │ PASS                  │ observed_failures_within_limit │
│ exact_label  │ 72.2%    │ [46.5%, 90.4%]  │ 13 / 18 observed · 0 missing · 0 excluded │
│ format_valid │ 100.0%   │ [81.4%, 100.0%] │ 18 / 18 observed · 0 missing · 0 excluded │
│ pii_free     │ 100.0%   │ [81.4%, 100.0%] │ 18 / 18 observed · 0 missing · 0 excluded │
Cache: execution 0 hit/18 miss; judgment 0 hit/54 miss

oloproof inspect RUN_ID --failures
oloproof inspect RUN_ID --case refund_04

5 of 18 cases failed, errored or did not finish

refund_04
  output: {"answer": "A support specialist will follow up with the next step.", "label": "other"}
  exact_label: failed
...
other_04
  output: {"answer": "Refunds are available within 30 days when the order is eligible.", "label": "refund"}
  exact_label: failed

case refund_04
input: {
  "question": "I was charged twice this month and want my money back."
}
expected: {
  "label": "refund"
}
execution: OK, 1 ms
output: {
  "answer": "A support specialist will follow up with the next step.",
  "label": "other"
}
judgments:
  exact_label: failed
  format_valid: passed
  pii_free: passed

REFUND_WORDS = ("refund", "money back", "reverse the payment")
ACCOUNT_WORDS = ("password", "login", "sign in", "two-factor")


@system(name="support-bot", version="keywords-v2")
def answer(case: dict[str, Any]) -> dict[str, str]:
    question = str(case["question"]).lower()
    if any(word in question for word in REFUND_WORDS):
        ...

oloproof run

Gate: ALLOW (exit 0)
│ exact-label-floor │ exact_label  │ PASS  │ lower_bound_meets_minimum      │
│ exact_label  │ 94.4%    │ [72.7%, 99.9%]  │ 17 / 18 observed · 0 missing · 0 excluded │

version: 1
confidence_level: 0.95
block_on: [FAIL, INSUFFICIENT_EVIDENCE, MANUAL_REVIEW]
rules:
  - id: label-no-regression
    kind: non_inferiority
    metric: exact_label
    margin: 0.10

oloproof compare CANDIDATE_RUN_ID BASELINE_RUN_ID --policy compare.yaml

Comparison sha256:de76... of run_01M4...TJAD against run_01M4...ECVEF · 18 paired cases
exact_label: +22.2 points [-12.9, +57.0] · 18 paired · 0 missing · 0 excluded
format_valid: +0.0 points [-25.8, +25.8] · 18 paired · 0 missing · 0 excluded
pii_free: +0.0 points [-25.8, +25.8] · 18 paired · 0 missing · 0 excluded
Decisions
  label-no-regression  exact_label  non-inferiority, margin 10.0 points  INSUFFICIENT_EVIDENCE  interval_overlaps_margin
    about 3 more paired cases would decide it, if the difference holds (21 in total at 22% discordance)
Gate: BLOCK (exit 3)