Add four Trackio interface comparisons

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README.md

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 hf_oauth: true
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  - write-repos
----
+---
+
+# Trackio interface experiments
+
+Four public, read-only interface concepts consume the live data in this Space. They share the same API client, metric definitions, run colors, numeric formatting, URL state, and 30-second refresh cycle so the comparison focuses on information architecture and presentation.
+
+| Concept | Best for | Live Space |
+| --- | --- | --- |
+| Command Center | Continuous training operations | [Open Command Center](https://huggingface.co/spaces/edbeeching/trackio-ops-command) |
+| Chart Wall | Comparing curve shape across runs | [Open Chart Wall](https://huggingface.co/spaces/edbeeching/trackio-ops-charts) |
+| Diagnostics Workbench | Focus-run and baseline investigation | [Open Diagnostics](https://huggingface.co/spaces/edbeeching/trackio-ops-diagnostics) |
+| Pulse | Fast status checks and mobile use | [Open Pulse](https://huggingface.co/spaces/edbeeching/trackio-ops-pulse) |
+
+## Desktop comparison
+
+### 1. Command Center
+
+[![Command Center desktop](comparisons/command-desktop.png)](https://huggingface.co/spaces/edbeeching/trackio-ops-command)
+
+### 2. Chart Wall
+
+[![Chart Wall desktop](comparisons/charts-desktop.png)](https://huggingface.co/spaces/edbeeching/trackio-ops-charts)
+
+### 3. Diagnostics Workbench
+
+[![Diagnostics desktop](comparisons/diagnostics-desktop.png)](https://huggingface.co/spaces/edbeeching/trackio-ops-diagnostics)
+
+### 4. Pulse
+
+[![Pulse desktop](comparisons/pulse-desktop.png)](https://huggingface.co/spaces/edbeeching/trackio-ops-pulse)
+
+## Design review
+
+Scores are a first-pass design review on a 1–5 scale, where higher is stronger. “Simplicity” scores the ease of maintaining the concept rather than the number of features. Desktop and 390 px mobile captures used the same project and selected runs.
+
+| Concept | Scanability | Anomaly discovery | Run comparison | Density | Responsive | Accessibility | Simplicity |
+| --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
+| Command Center | 5 | 5 | 4 | 5 | 4 | 4 | 3 |
+| Chart Wall | 5 | 4 | 5 | 4 | 4 | 4 | 4 |
+| Diagnostics | 4 | 5 | 5 | 4 | 4 | 4 | 3 |
+| Pulse | 5 | 3 | 3 | 5 | 5 | 5 | 4 |
+
+### Recommendation
+
+Use **Command Center** as the base for a production training-operations interface. It exposes outcome, throughput, timing, and queue signals simultaneously and requires the fewest navigation steps during a live run.
+
+For a follow-up iteration, keep its status strip and system rail, then add:
+
+- Chart Wall's metric-group tabs for focused exploration.
+- Diagnostics' explicit focus-versus-baseline workflow as a drill-down view.
+- Pulse's run-progress header and compact mobile cards.
+
+## Mobile captures
+
+| Command Center | Chart Wall | Diagnostics | Pulse |
+| --- | --- | --- | --- |
+| ![Command Center mobile](comparisons/command-mobile.png) | ![Chart Wall mobile](comparisons/charts-mobile.png) | ![Diagnostics mobile](comparisons/diagnostics-mobile.png) | ![Pulse mobile](comparisons/pulse-mobile.png) |
+
+## Validation
+
+- All four Spaces load the canonical project and its three current runs without browser console errors.
+- Run selection updates the shared `run_ids` URL state.
+- Chart metric-group switching updates both visible metrics and `metric_group` URL state.
+- All four layouts have no document-level horizontal overflow at 390 px.
+- The frontends call only Trackio read endpoints; no mutation controls are exposed.