Topology page: pre-load the first layer (sites + top-level areas) on page load #39

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2026-10-22T13:46:41-04:00

dohertj2 commented

2026-10-22 13:46:41 -04:00

Request

When the Central UI Topology page (Deployment → Topology) opens, pre-load and expand the first layer of the tree, so each site's top-level areas are visible immediately without clicking to expand.

Example (QA): opening Topology should already show QA Site → Aisle001 and Simulations.

Notes

The page currently lazy-loads (LowReview "lazy Topology"); keep lazy loading for deeper levels (sub-areas and instances). Only the first layer is pre-loaded.
It should respect the operator's site scope, and interact sensibly with any persisted expand/collapse state the tree already keeps.

## Request When the Central UI **Topology** page (Deployment → Topology) opens, pre-load and expand the first layer of the tree, so each site's top-level areas are visible immediately without clicking to expand. Example (QA): opening Topology should already show `QA Site` → `Aisle001` and `Simulations`. ## Notes - The page currently lazy-loads (LowReview "lazy Topology"); keep lazy loading for deeper levels (sub-areas and instances). Only the first layer is pre-loaded. - It should respect the operator's site scope, and interact sensibly with any persisted expand/collapse state the tree already keeps.

dohertj2 commented

2026-10-22 14:58:16 -04:00

Implemented on main (d71f61e7 + e029dc1c, local — not yet pushed). Topology now loads the areas of every site in the operator's scope on page load and opens each site expanded to its top-level areas; instances stay lazy behind "Load instances". The default expansion only applies when the browser has no saved tree state — a saved collapse still wins. Out-of-scope sites' areas are never read. bUnit coverage added; Playwright Topology suite green on the rig. Not deployed to QA/prod.

Implemented on main (d71f61e7 + e029dc1c, local — not yet pushed). Topology now loads the areas of every site in the operator's scope on page load and opens each site expanded to its top-level areas; instances stay lazy behind "Load instances". The default expansion only applies when the browser has no saved tree state — a saved collapse still wins. Out-of-scope sites' areas are never read. bUnit coverage added; Playwright Topology suite green on the rig. Not deployed to QA/prod.

dohertj2 closed this issue

2026-10-22 14:58:16 -04:00

dohertj2 referenced this issue from a commit

2026-10-22 14:59:33 -04:00

feat(centralui): Topology pre-loads and expands the first layer (sites -> top-level areas) (Gitea #39)

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Reference: dohertj2/ScadaBridge#39