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feat: rich product metadata extraction from STEP files

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Extract volume, surface area, part count, assembly hierarchy, and
complexity from STEP files via OCC B-rep analysis.

Backend:
- extract_rich_metadata() in step_processor.py: computes per-part volume
  (BRepGProp), surface area, triangle/vertex count, assembly depth,
  instance count, complexity score, largest part identification
- cad_metadata JSONB column on Product model (DB migration)
- Auto-populated during STEP processing (non-fatal, 10s timeout)
- Also stored in cad_files.mesh_attributes["rich_metadata"]
- Batch re-extract endpoint: POST /admin/settings/reextract-rich-metadata

AI Agent:
- search_products returns part_count, volume_cm3, complexity, largest_part
- query_database tool description documents cad_metadata schema

Frontend:
- ProductDetail page: CAD Metadata section with stat cards
  (parts, volume, surface area, complexity, triangles, assembly depth)
- Admin System Tools: "Re-extract Rich Metadata" button for backfill

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Hartmut Nörenberg
2026-03-15 18:49:50 +01:00
parent 0ffc86589a
commit cfccdd5397
12 changed files with 645 additions and 170 deletions
Download Patch File Download Diff File Expand all files Collapse all files
frontend/src/api/products.ts
+1
View File
@@ -67,6 +67,7 @@ export interface Product {
} | null
arbeitspaket: string | null
cad_render_log?: RenderLog | null
cad_metadata: Record<string, unknown> | null
notes: string | null
is_active: boolean
source_excel: string | null
frontend/src/pages/Admin.tsx
+23
View File
@@ -179,6 +179,14 @@ export default function AdminPage() {
onError: (e: any) => toast.error(e.response?.data?.detail || 'Failed'),
})
const reextractRichMetadataMut = useMutation({
mutationFn: () => api.post('/admin/settings/reextract-rich-metadata'),
onSuccess: (res) => {
toast.success(res.data.message || 'Rich metadata re-extraction queued')
},
onError: (e: any) => toast.error(e.response?.data?.detail || 'Failed'),
})
const cleanupOrphanedCadMut = useMutation({
mutationFn: () => api.post('/admin/settings/cleanup-orphaned-cad-files'),
onSuccess: (res) => {
@@ -1228,6 +1236,21 @@ export default function AdminPage() {
</button>
</div>
</div>
<div className="card p-5">
<h3 className="text-sm font-semibold text-content mb-1">Re-extract Rich Metadata</h3>
<p className="text-xs text-content-muted mb-3">Re-compute volume, surface area, complexity for all products with STEP files.</p>
<div className="space-y-2">
<button
onClick={() => reextractRichMetadataMut.mutate()}
disabled={reextractRichMetadataMut.isPending}
className="btn-secondary text-sm w-full justify-start"
>
<RefreshCw size={14} className={reextractRichMetadataMut.isPending ? 'animate-spin' : ''} />
{reextractRichMetadataMut.isPending ? 'Queueing...' : 'Re-extract Rich Metadata'}
</button>
</div>
</div>
</div>
</div>
frontend/src/pages/ProductDetail.tsx
+48
View File
@@ -626,6 +626,54 @@ export default function ProductDetailPage() {
</p>
</div>
)}
{product.cad_metadata && (() => {
const meta = product.cad_metadata as any
return (
<div className="col-span-2 mt-2 pt-3 border-t border-border-light">
<label className="block text-xs text-content-muted mb-2 flex items-center gap-1">
<Box size={11} /> CAD Metadata
</label>
<div className="grid grid-cols-3 gap-2">
{meta.part_count != null && (
<div className="text-center p-2 rounded-lg" style={{ backgroundColor: 'var(--color-bg-muted)' }}>
<p className="text-lg font-semibold text-content">{meta.part_count}</p>
<p className="text-xs text-content-muted">Parts</p>
</div>
)}
{meta.total_volume_cm3 != null && (
<div className="text-center p-2 rounded-lg" style={{ backgroundColor: 'var(--color-bg-muted)' }}>
<p className="text-lg font-semibold text-content">{Number(meta.total_volume_cm3).toFixed(1)}</p>
<p className="text-xs text-content-muted">Volume (cm³)</p>
</div>
)}
{meta.total_surface_area_cm2 != null && (
<div className="text-center p-2 rounded-lg" style={{ backgroundColor: 'var(--color-bg-muted)' }}>
<p className="text-lg font-semibold text-content">{Number(meta.total_surface_area_cm2).toFixed(1)}</p>
<p className="text-xs text-content-muted">Surface (cm²)</p>
</div>
)}
{meta.complexity_score != null && (
<div className="text-center p-2 rounded-lg" style={{ backgroundColor: 'var(--color-bg-muted)' }}>
<p className="text-lg font-semibold text-content">{Number(meta.complexity_score).toFixed(2)}</p>
<p className="text-xs text-content-muted">Complexity</p>
</div>
)}
{meta.total_triangle_count != null && (
<div className="text-center p-2 rounded-lg" style={{ backgroundColor: 'var(--color-bg-muted)' }}>
<p className="text-lg font-semibold text-content">{Number(meta.total_triangle_count).toLocaleString()}</p>
<p className="text-xs text-content-muted">Triangles</p>
</div>
)}
{meta.assembly_depth != null && (
<div className="text-center p-2 rounded-lg" style={{ backgroundColor: 'var(--color-bg-muted)' }}>
<p className="text-lg font-semibold text-content">{meta.assembly_depth}</p>
<p className="text-xs text-content-muted">Assembly Depth</p>
</div>
)}
</div>
</div>
)
})()}
</div>
{editMode && isPrivileged && (