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feat(stammbaum): server-clamped initial view from ?cx&cy&z (#692)

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The server load parses and sanitises the shareable pan/zoom params (degrading
Infinity/NaN, clamping zoom) into initialView, which seeds the page view. A
crafted link can no longer blank the SVG (Nora). US-PANEL-002 AC2 groundwork.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Marcel
2026-05-29 16:58:36 +02:00
parent 396c87f8ab
commit 8d29bb10e2
4 changed files with 85 additions and 10 deletions
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4
frontend/src/routes/stammbaum/+page.svelte
View File

@@ -17,7 +17,7 @@ type PersonNodeDTO = components['schemas']['PersonNodeDTO'];
type RelationshipDTO = components['schemas']['RelationshipDTO'];
interface Props {
data: { nodes: PersonNodeDTO[]; edges: RelationshipDTO[] };
data: { nodes: PersonNodeDTO[]; edges: RelationshipDTO[]; initialView: PanZoomState };
}
let { data }: Props = $props();
@@ -31,7 +31,7 @@ let selectedId = $state<string | null>(
const selectedNode = $derived(data.nodes.find((n) => n.id === selectedId) ?? null);
let view = $state<PanZoomState>(DEFAULT_VIEW);
let view = $state<PanZoomState>(data.initialView);
function zoomIn() {
view = { ...view, z: clampZoom(view.z + ZOOM_STEP_KB) };
}