oumta dashboard plugin (mockup)

Fullscreen cluster dashboard view consuming the Oumta Go backend.
All data currently mocked — see plugin TODO.md for integration plan.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

public/plugins/oumta-dashboard/README.md

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+# oumta-dashboard plugin
+
+Fullscreen view for the Oumta cluster dashboard (Go backend in `oumta-dashboard/`).
+
+## Open
+
+- **Oumta** button in the hyprcrd top bar (next to *Tasks*)
+- `window._oumtaToggle()` from the console / other plugins
+
+Close with **ESC** or the × button.
+
+## Views
+
+- **Overview** — cluster state, workload counts, attention list
+- **Workloads** — filterable table (name, state, replicas, cpu/mem, image, reason)
+- **Timeline** — event stream; clicking a workload filters down to its own events
+
+## Namespaces
+
+Tab row at the top. Currently two mocks (`oumta-dev`, `oumta-beta`). Real list comes from the backend once `/api/namespaces` exists.
+
+## Settings
+
+Open the hyprcrd settings overlay and choose the **oumta** tab:
+
+- **API Base URL** — e.g. `http://localhost:8080` for local dev, or the cluster-internal URL
+- **Auth token** — optional, sent as `Authorization: Bearer …`. Will eventually be filled automatically once Keycloak is wired up.
+- **Poll interval** — polling fallback cadence when SSE is unavailable. Default 15 s.
+
+## State today
+
+Everything is mocked. The live indicator in the top right shows `polling` once the overlay is open, but no real HTTP call fires yet. See [`TODO.md`](./TODO.md) for the integration plan.
+
+## Disabling
+
+Add `"oumta-dashboard"` to the `disabled` array in `data/plugins.json`.