Graph view was empty for users who built page hierarchies (sub-pages) but had
not placed any wikilinks. The graph service now queries pages.parent_page_id
as a second edge source (type: parent_child) and merges it with acadenice_backlink
edges, so hierarchy-only workspaces display meaningful graphs immediately.
- dto: added parent_child to LinkType enum; added slug field to GraphNode
- service: loadParentChildEdges (permission-filtered SQL), parallel merge with loadEdges
- controller: always appends parent_child to the effective type list
- client: graph-client.ts typed for parent_child and slug; graph-canvas renders
dashed grey lines for parent_child vs solid brand lines for wikilinks; legend
with aria-label; title/slug/untitled fallback chain for node labels
- space sidebar: Graph menu item -> /s/:spaceSlug/graph
- new route: /s/:spaceSlug/graph -> SpaceGraph page (injects spaceId filter)
- i18n: en-US + fr-FR keys for legend and space graph
- tests: 42 server + 59 client, all green; 10 new R4.6 tests
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Corentin
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