Complete the bundled space-group database (#187)

* Add space-group-database ADR suggestion

* Add space-group-database implementation plan

* Add cctbx-based space-group table extraction

* Add multi-source cross-check and disagreement report

* Generate initial space-group disagreement report

* Localize space-group curation artifacts

* Move crysview demo to subdirectory

* Add curated space-group overrides

* Generate complete space_groups.json.gz with recorded provenance

* Load space groups from JSON and drop restricted unpickler

* Reach Phase 1 review gate

* Cover public space-group coordinate aliases

* Add space-group database ADR index row

* Add Phase 2 space-group database tests and packaging check

* Apply pixi run fix auto-fixes

* Alias runtime coordinate codes in space-group database

* Apply prettier formatting to space-group-database ADR

* Make packaging check inspect the wheel directly

* Unify Plotly tooltip styling and fix white Bragg hover

* Guard optional IPython import in table backend base

* Pin space-group record count in tests and wheel check

* Update Plotly hover test and fix overlong comment

* Update tutorial links to latest docs

* Add Wyckoff letter detection ADR

Author: AndrewSazonov

docs/dev/adrs/accepted/crysview-structure-visualization.md

@@ -22,8 +22,8 @@ parameters a refinement is adjusting.
 
 A working prototype establishes the target experience and the data it
 needs. It lives at
-[`crysview-threejs-demo.html`](crysview-threejs-demo.html) and
-demonstrates, against a non-orthogonal unit cell:
+[`crysview-threejs-demo.html`](crysview-structure-visualization/crysview-threejs-demo.html)
+and demonstrates, against a non-orthogonal unit cell:
 
 - atoms as spheres with element radius and colour;
 - anisotropic ADP ellipsoids (semi-axis lengths plus orientation);

…adrs/accepted/crysview-threejs-demo.html …visualization/crysview-threejs-demo.htmldocs/dev/adrs/accepted/crysview-threejs-demo.html renamed to docs/dev/adrs/accepted/crysview-structure-visualization/crysview-threejs-demo.html docs/dev/adrs/accepted/crysview-threejs-demo.html renamed to docs/dev/adrs/accepted/crysview-structure-visualization/crysview-threejs-demo.html

@@ -0,0 +1,11 @@
+# Space-group database curated overrides.
+#
+# Initial minimal seed decision, 2026-06-02:
+# Use the ADR source priority without manual row-level overrides for now:
+# cryspy wyckoff.dat for Wyckoff-facing values, cctbx/sgtbx for
+# setting-level metadata, and RASPA/Avogadro/SgInfo/gemmi as cross-checks.
+#
+# Flagged rows remain visible in tmp/space-groups/extracted-comparison/
+# for future verification against International Tables Vol A, Bilbao
+# Crystallographic Server, and ISODISTORT.
+[]

docs/dev/adrs/index.md

@@ -263,7 +263,6 @@
 │   ├── 📄 __init__.py
 │   ├── 📄 crystallography.py
 │   └── 📄 space_groups.py
-│       └── 🏷️ class _RestrictedUnpickler
 ├── 📁 datablocks
 │   ├── 📁 experiment
 │   │   ├── 📁 categories