Initial production analytics foundation
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# ENLYZE API investigation
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This document separates public facts, schema facts, and customer-specific observations. Raw captures are local under ignored `data/raw/enlyze/`; reviewed sanitized fixtures may be stored in `fixtures/enlyze/`.
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## VERIFIED FROM PUBLIC DOCUMENTATION
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- ENLYZE uses Bearer-token authentication with `ENLYZE_API_KEY`.
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- Public resources include machines, sites, products, production runs, and downtimes.
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## VERIFIED FROM OPENAPI SCHEMA
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Source: locally supplied `data/raw/enlyze/openapi.json`, verified by the operator as OpenAPI 3.1.0, `ENLYZE API` v2. The schema server is the relative URL `/api`; resolving it against `https://app.enlyze.com` and combining it with paths such as `/v2/machines` yields `https://app.enlyze.com/api/v2/machines`.
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Every operation below declares `Bearer` security: an `apiKey` in the `Authorization` header. The exploration CLI sends `Authorization: Bearer <ENLYZE_API_KEY>` without logging it.
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### Common pagination
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Paginated list/time-series responses contain `data` and `metadata`. The required `metadata.next_cursor` is a string continuation token or null. Reuse a non-null value as `cursor` with otherwise identical parameters. No general `limit`/page-size parameter is declared. UUID-array filters permit at most 50 items; one time-series request permits at most 100 variables.
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### Machines and sites
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| Operation | Parameters | Response |
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| --- | --- | --- |
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| `GET /v2/machines` | Optional `site` UUID array (max 50), `cursor` | `PaginatedMachines` |
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| `GET /v2/machines/{uuid}` | Required machine UUID | `Machine` |
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| `GET /v2/sites` | Optional `cursor` | `PaginatedSites` |
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| `GET /v2/sites/{uuid}` | Required site UUID | `Site` |
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`Machine` requires UUID `uuid`, `name`, site UUID `site`, and date-only `genesis_date`. `Site` requires UUID `uuid` and `name`. No current machine-running state is exposed by these schemas.
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### Products and production runs
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| Operation | Parameters | Response |
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| --- | --- | --- |
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| `GET /v2/products` | Optional `cursor` | `PaginatedProducts` |
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| `GET /v2/products/{uuid}` | Required product UUID | `Product` |
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| `GET /v2/production-runs` | `cursor`; optional `machine` UUID array (max 50), `product-external-id`, `product` UUID, `production-order-external-id`, `start`, `end`, `uuid` UUID array (max 50), `q` | `PaginatedProductionRuns` |
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| `GET /v2/production-runs/{uuid}` | Required production-run UUID | `ProductionRun` |
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`Product` requires UUID `uuid`, ERP/MES identifier `external_id`, and nullable description/name `name`.
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`ProductionRun` requires UUID `uuid`, machine UUID `machine`, string `production_order` (the schema calls this the identifier of the production order), product UUID `product`, timezone-aware ISO 8601 `start`, and nullable timezone-aware ISO 8601 `end`. A null end denotes an unfinished run. It also contains quantities (`{value, unit}` when present), OEE components (score 0–1 and seconds of time loss), optional maximum run speed with unit and observation period, data-quality metrics, and arbitrary attributes.
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For list filtering, `start` means runs executed starting at/after the supplied time; `end` means runs executed up to the supplied time. This does not prove interval-overlap behavior needed for integration.
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### Variables and data sources
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| Operation | Parameters | Response |
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| --- | --- | --- |
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| `GET /v2/variables` | Optional `machine`, `type`, `state`, `data_source`, `data_type`, `uuid`, `depends_on` UUID arrays (each max 50 where applicable), `cursor` | `PaginatedVariables` |
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| `GET /v2/data-sources` | Optional `cursor`, `uuid`, `machine`, `spark` UUID arrays (max 50) | `PaginatedDataSources` |
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| `GET /v2/data-sources/{uuid}` | Required data-source UUID | `DataSource` |
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`VariableResponse` requires variable UUID, associated machine UUID, data type, and discriminated details. It can include `display_name`, nullable string `unit`, nullable `scaling_factor`, comment, and types `FLOAT`, `INTEGER`, `STRING`, `BOOLEAN`, or array variants. Spark details include data-source UUID, structured origin identifier, origin name/comment, and current capture state (`inactive`, `active`, `evaluating`). Derived details list dependencies and description. The deprecated top-level `type` mirrors `details.type` (`spark` or `derived`).
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`DataSource` can provide `readout_limit`, `readout_interval`, current `readout_status`, and machine UUID. This is a data-source/readout state, not a documented machine operational/downtime state.
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### Historical time series
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| Operation | Parameters | Response |
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| --- | --- | --- |
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| `POST /v2/timeseries` | Required JSON `machine`, timezone-aware ISO 8601 `start`, `end`, and 1–100 `variables`; optional `resampling_interval`, `cursor` | `TimeseriesResponse` |
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Each requested variable contains required UUID and optional `resampling_method`: `first`, `last`, `max`, `min`, `count`, `sum`, `avg`, `median`, `std`, `q5`, `q25`, `q75`, `q95`. `resampling_interval` is an optional integer from 10 to 604800; the schema does not define its unit or whether omission means native/raw resolution.
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`TimeseriesResponse.data.columns` is ordered with `time` always first, followed by requested variable UUIDs. `data.records` is tabular in that column order. The schema example uses timestamps such as `2023-01-03T14:00:00.0+00:00` and numeric values. It defines no per-sample unit, quality/status field, null/missing-value behavior, boundary inclusion, ordering, or correction/backfill semantics. Units belong to `VariableResponse.unit`, not the time-series envelope.
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### Downtimes
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| Operation | Parameters | Response |
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| --- | --- | --- |
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| `GET /v2/downtimes` | Optional UUID/machine UUID arrays (max 50), timezone-aware ISO 8601 `start`, `end`, reason filters, reason state, `cursor` | `PaginatedDowntimes` |
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`Downtime` requires UUID, machine UUID, type (`THRESHOLD` or `NO_DATA`), timezone-aware ISO 8601 start, nullable end, and nullable comment/reason/update information. A null end denotes an ongoing downtime. It supports historical downtime retrieval but does not establish a complete machine-state timeline.
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## VERIFIED WITH LIVE CUSTOMER API
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None. This execution environment has no ENLYZE DNS/network access, so no customer operation has been sent in this milestone.
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## STILL UNKNOWN
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- Customer response values, permissions, authentication success/failure behavior, default page size, and rate/retention limits.
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- Whether production-run filters have the desired interval-overlap behavior; completed-run `start`/`end` are candidate integration boundaries but require live confirmation.
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- Which customer variable is a consumption signal and whether its unit/scaling factor makes it usable for integration.
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- Whether omitted `resampling_interval` yields native/raw resolution; its unit and exact temporal meaning of resampling methods.
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- Sample ordering, boundary inclusion, native sampling behavior, gaps, nulls, quality/bad samples, late arrivals, corrections, and backfills.
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- A complete historical machine operational-state resource beyond downtimes.
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## Exact bounded manual exploration sequence
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Set the schema server URL locally; the key remains only in `secrets/enlyze.env`:
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```bash
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export ENLYZE_BASE_URL='https://app.enlyze.com/api/'
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```
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1. First page of machines (the schema has no limit parameter):
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```bash
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production-analytics enlyze raw /v2/machines --pretty \
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--save-raw machines-page-1.raw.json --save-fixture machines-page-1.json
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```
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2. Select a harmless machine UUID from the ignored raw capture and retrieve a narrow completed-run page. Replace uppercase placeholders with local values:
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```bash
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production-analytics enlyze raw /v2/production-runs \
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--query 'machine=MACHINE_UUID' \
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--query 'start=RUN_SEARCH_START_ISO8601' \
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--query 'end=RUN_SEARCH_END_ISO8601' --pretty \
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--save-raw production-runs.raw.json --save-fixture production-runs.json
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```
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3. Resolve the selected run’s product and discover variables for its machine:
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```bash
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production-analytics enlyze raw /v2/products/PRODUCT_UUID --pretty \
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--save-raw product.raw.json --save-fixture product.json
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production-analytics enlyze raw /v2/variables --query 'machine=MACHINE_UUID' --pretty \
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--save-raw variables.raw.json --save-fixture variables.json
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```
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4. Select a numeric variable with a meaningful unit and query a short completed-run subinterval. Omit resampling initially to test the optional/default behavior:
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```bash
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production-analytics enlyze timeseries \
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--machine MACHINE_UUID --variable VARIABLE_UUID \
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--start SAMPLE_START_ISO8601 --end SAMPLE_END_ISO8601 --pretty \
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--save-raw timeseries.raw.json --save-fixture timeseries.json
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```
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`--resampling-interval 10` and `--resampling-method avg` are available only for a subsequent bounded comparison. The CLI reads `secrets/enlyze.env` by default and does not print the token/header. Raw files remain ignored; review every sanitized fixture before committing it.
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