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

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Joseph Doherty
2026-10-22 14:04:07 -04:00
parent 1d38fb6c90
commit d71f61e71b
3 changed files with 57 additions and 9 deletions
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docs/requirements/Component-CentralUI.md
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@@ -28,7 +28,7 @@ Central cluster only. Sites have no user interface.
- Manual failover goes through a scoped `AuthorizedManualFailoverService` that refreshes the circuit's Administrator grant before calling the host singleton. The component's visibility policy is an additional presentation guard.
- Flow Debugger retry/discard validates the current Deployer grant and resolves site scope inside its service. Scoped callers cannot relay an unknown site. Refresh merges preserve Replay's event ordering and append only rows known exclusively to the live run.
- Health and Alarm Summary observe the whole posted refresh task and release their poll gate even when renderer dispatch fails during disposal.
- The Topology initially loads permitted sites. Expand a site and select **Load instances** to load that site's area metadata and first root-instance page; each expanded area has its own loader. **Previous** and **Next** replace that branch's 50-instance page. Queries are untracked and omit member collections; templates are not loaded. Live refresh and staleness checks cover loaded pages. Search and counts explicitly describe loaded data.
- The Topology initially loads permitted sites **and their area metadata** (Gitea #39 — every permitted site's areas are read at open, out-of-scope sites never) and opens with each site expanded to its top-level areas (`TreeView.InitiallyExpanded`; a browser's saved expansion state always wins). Instances stay lazy: select **Load instances** to load the first root-instance page of a site; each expanded area has its own loader. **Previous** and **Next** replace that branch's 50-instance page. Queries are untracked and omit member collections; templates are not loaded. Live refresh and staleness checks cover loaded pages. Search and counts explicitly describe loaded data.
- `TemplateFolderTree` compares immutable value snapshots of folder/template hierarchy and extra children before rebuilding. In-place renames, moves, derived-state changes, and composition edits remain visible; filter and reveal changes are applied independently.
- Navigation grants Flow Debugger its own policy and hides Notifications unless the principal holds a role that admits a child. Route-policy coverage freezes every CentralUI route and the external Secrets route.