 Praxis CI
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a7f7c4e1cc
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feat(P02): SLICE-08 operator API cohort endpoints — auth-gated, k-anon
TASK-08-01: server/operator/cohort.py — GET /api/operator/cohort practice
volume view (sessions_count, active_learners_count), k-anon display.
TASK-08-02: server/operator/mastery.py — GET /api/operator/mastery
(gate_open_rate, median_mastery_score, rubric_criterion_means).
TASK-08-03: server/operator/failure_patterns.py — GET /api/operator/failure-patterns
(failure_mode:*, branch:* metrics).
TASK-08-04: server/operator/credentials.py — GET /api/operator/credentials
+ POST /api/operator/credentials/{id}/revoke (VC management, D-057).
TASK-08-05: tests/test_operator_endpoints.py — 401/200/503, suppressed
cells value=null, last_updated=max, revoke, no per-learner data (R-DASH-02).
server/operator/_common.py — shared Cell/PathView/ViewResponse models +
all_recent_aggregates query + group_by_path helper.
All endpoints auth-gated via Depends(current_operator) (D-057). No PII
beyond aggregates (D-031, R-DASH-02).
---ci---
project: praxis
phase: 2
milestone: v0.4
status: execute
persona: backend-engineer
task: 08-01..08-05
requirements:
covered: [REQ-DASH-01, REQ-NFR-DASH-01]
---/ci---
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2026-08-04 02:03:50 +00:00 |
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Praxis CI
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c396ded395
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feat(P02): SLICE-07 cohort aggregation pipeline — k-anon, hook, nightly
TASK-07-01: server/cohort/aggregator.py — aggregate_session with k-anon
write-time suppression (D-034, K_ANON_THRESHOLD=10), idempotent upsert,
7-day rolling window, multiple metrics (sessions_count, active_learners,
gate_open_rate, median_mastery_score, rubric_criterion_means,
failure_mode_frequency, branch distribution). No PII in aggregates (D-031).
TASK-07-02: server/cohort/hook.py — on_session_end fire-and-forget (D-054),
no-op when no Postgres, failures log + nightly reconciles.
TASK-07-03: server/cohort/nightly.py — NightlyScheduler in-process asyncio
loop, 03:00 CT (America/Winnipeg approx), reconcile from mastery_gate_events,
R-DASH-04 failure handling.
TASK-07-04: session_recorder.py — chain aggregation hook after mastery flow
via asyncio.create_task (parallel, off voice path, D-054).
TASK-07-05: tests/test_cohort_aggregation.py — k-anon threshold (9/10/11),
idempotent, 7-day window, metrics, no PII.
TASK-07-06: tests/test_cohort_nightly.py — scheduler timing, reconciliation,
hook-failure+nightly recovery, R-DASH-04.
G-038 (binding): differencing-attack test — 10 learners window A, 9 in B,
verify dropped learner cannot be isolated (B suppressed, value=NULL).
---ci---
project: praxis
phase: 2
milestone: v0.4
status: execute
persona: backend-engineer
task: 07-01..07-06
requirements:
covered: [REQ-MT-02, REQ-NFR-DASH-02, REQ-NFR-DASH-01]
---/ci---
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2026-08-04 02:01:06 +00:00 |
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