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set50-system/docs/engineering-log.md
2026-08-23 14:58:15 +07:00

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# Engineering Log — SET50 Alternative Data Platform
## Current status
| Milestone | Status | Evidence | Next action |
|---|---|---|---|
| M0 repo foundation | complete | Flask API, Vue/Vite shell | keep research/paper guardrails |
| M1 BOT Tourism adapter | complete | 18 tests, live BOT fetch, raw/snapshot persistence | validate multiple vintages |
| M2 vintage collector | complete | 25 tests, manifest idempotency, live collector and point-in-time API | collect independent releases |
| M2.3 event-study gate | complete/blocked | 30 tests, pure engine and truthful 409 readiness API | add point-in-time price provider |
| M2.4 price snapshot adapter | complete/blocked | 38 tests, live 9-symbol Yahoo snapshot, revised-history gate | evaluate point-in-time price source |
| M2.5 research runner + durable paper ledger | complete/blocked | 54 tests, immutable blocked report, restart-safe paper path, live API/UI workflow | collect independent releases and point-in-time prices |
| M2.5 integrity hardening | complete/blocked | 57 tests, normalized/raw hash binding, manifest cross-checks, live re-collection | protect point-in-time gate with a trusted deployment secret if threat model expands |
| Tourism deterministic signal | complete | live foreign-arrivals YoY surprise | add occupancy/airport metric |
| Internal paper ledger | complete | atomic local JSON persistence and restart test | shared store before multi-worker deployment |
| Dashboard | complete | Vite build + served source check with live-sign copy | visual browser capture after permission is available |
| LLM analysis | deferred | intentionally no LLM dependency in M0 | add after signal lineage is stable |
| Webhook receiver | deferred | contract only, no external receiver | choose after core app is usable |
| MT5 bridge | deferred | not started | paper bridge after webhook decision |
## Guardrails
- Research and paper modes only.
- No live orders, external webhook receiver, broker credentials, or MT5 connection.
- Deterministic signal is authoritative; LLM will remain downstream.
- Fixture and provisional BOT sources are explicitly labelled; neither is investment-ready without validation.
- `target_weight` is recorded in the internal paper ledger; it is not an order.
## Verification
- Backend: 57 unittest tests pass.
- Independent M1 review: **PASSED**; no concrete security or logic blockers.
- Reviewer suggestions: set `PAPER_COOKIE_SECURE=1` outside local HTTP; replace in-memory sessions before multi-worker deployment.
- M1 reviewer backlog: add schema-drift, duplicate/reordered-row, and malformed-vintage regression fixtures.
- Frontend: `npm run build` passes with Vite.
- Backend health endpoint returns HTTP 200 JSON.
- Dashboard served HTML contains the current title, Vue mount point and Vite entry.
- Paper ledger POST and readback work through the live API.
- BOT source live fetch parsed 138 monthly periods and persisted raw HTML plus normalized snapshot.
- Data-health reports `source_mode=bot`, `status=provisional`, and `replayable=true`.
- Live vintage replay returned the same theme surprise as the current dashboard summary.
- Vintage collector preserved one live `vintage_id` with `seen_count=4` and point-in-time API excluded it before `published_at`.
- Independent M2 review: **PASSED**; no concrete security or logic blockers.
- Event-study readiness gate correctly returns HTTP 409 with 1/12 independent vintages; no backtest result is fabricated.
- Independent M2.3 review: **PASSED**; no concrete security or logic blockers.
- Price snapshot normalized 9 symbols with adjusted close and provider-derived trading dates; quality is explicitly `revised_vendor_history` and `point_in_time=false`.
- Backtest gate requires both independent vintages and point-in-time prices.
- Independent M2.4 review: **PASSED**; no concrete security or logic blockers.
- Research runner persists blocked/ready reports with frozen input IDs, hashes, configuration and gate reasons.
- Revision-aware readiness counts `(source_id, published_at)` once and runner selects the latest revision only.
- Event-study defaults to next trading-session execution and handles non-trading event dates without skipping the first session.
- Paper ledger persists atomically under ignored `backend/data/paper/ledger.json` when configured.
- Live API `0.5.0` created and replayed the same blocked Tourism research report; UI served the research-run panel and human-readable gate reason.
- Independent M2.5 review: **PASSED**; no concrete security or logic blockers.
- Integrity hardening: normalized snapshots and raw payloads are bound to manifest metadata; malformed boolean flags, stale manifests, and cached-ready replay after tampering are rejected.
- Canonical hash algorithm is explicit: `sha256-json-canonical-v1` using sorted-key compact UTF-8 JSON after excluding only the normalized hash field.
- Integrity scope is local artifact/corruption detection. A hostile machine owner who can rewrite code, manifests, raw files and runtime environment is outside this local research app's threat model.
- Independent integrity-hardening review: **PASSED** under the stated local single-user threat model.
- Browser visual capture was blocked by Chrome remote-debugging permission; no permission dialog was clicked.