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broker: serve the placed model and its maps of the last rugnux live run (/rugnux/model.cif, /rugnux/map.ccp4)

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A rugnux live run that placed a model keeps it, with a copy of its map coefficients, beside the live
status (RugnuxStructure), for as long as /rugnux/status keeps the run. Made in memory on the first
request and cached, never written to disk:
- GET /rugnux/model.cif: the placed model as mmCIF, labelled as WritePlacedModel labels _model.cif
  (PlacedModelMmcif, the labelling factored out of WritePlacedModel; the file output is unchanged).
- GET /rugnux/map.ccp4?type=2fofc|fofc: the 2mFo-DFc / mFo-DFc map as a CCP4 map, FFT of the
  FWT/PHWT or DELFWT/PHDELWT coefficients (get_f_phi_on_grid + MapFromFPhi, sampled as ModelValidation
  samples), cut to the box around the model plus 5 A, with the whole cell's mean and RMS in the header.
- 404 without a placed model or maps, 400 for an unknown map type; both routes protected by the dataset
  bearer token like /rugnux/status. rugnux_live_status gets placed_model.

C++ model, python client docs, TypeScript client and redoc regenerated.

Tests: a point's coefficients give a map peaking at the atom in a cropped box; the mmCIF; the structure
is cleared at the next start; the auth test covers the new routes. End to end (myoglobin 2M replay with
an AlphaFold model): the maps equal gemmi's FFT of the written _maps.mtz to 2.5e-6 rms.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015CeEGgpKdfkCTJb3YNMJcu
(cherry picked from commit 33124c3288ba112def3f51c0d91f5206886f3495)
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leonarski_f committed 2026-10-22 20:18:50 +02:00
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docs/python_client/README.md
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@@ -159,6 +159,8 @@ Class | Method | HTTP request | Description
*DefaultApi* | [**preview_plot_bin_get**](docs/DefaultApi.md#preview_plot_bin_get) | **GET** /preview/plot.bin | Generate 1D plot from Jungfraujoch and send in raw binary format. Data are provided as (32-bit) float binary array. This format doesn&#39;t transmit information about X-axis, only values, so it is of limited use for azimuthal integration.
*DefaultApi* | [**preview_plot_get**](docs/DefaultApi.md#preview_plot_get) | **GET** /preview/plot | Generate 1D plot from Jungfraujoch
*DefaultApi* | [**result_scan_get**](docs/DefaultApi.md#result_scan_get) | **GET** /result/scan | Get full scan result
*DefaultApi* | [**rugnux_map_ccp4_get**](docs/DefaultApi.md#rugnux_map_ccp4_get) | **GET** /rugnux/map.ccp4 | Get an electron-density map of the last rugnux live run
*DefaultApi* | [**rugnux_model_cif_get**](docs/DefaultApi.md#rugnux_model_cif_get) | **GET** /rugnux/model.cif | Get the model as placed by the last rugnux live run
*DefaultApi* | [**rugnux_status_get**](docs/DefaultApi.md#rugnux_status_get) | **GET** /rugnux/status | Get live rugnux processing status of the last collection
*DefaultApi* | [**start_post**](docs/DefaultApi.md#start_post) | **POST** /start | Start detector
*DefaultApi* | [**statistics_calibration_get**](docs/DefaultApi.md#statistics_calibration_get) | **GET** /statistics/calibration | Get calibration statistics