Files
sanderling/docs/manual/inspect.md
pj f572c8ba66 WIP: docs: refresh after iOS + web support (#50)
* docs: README covers iOS + web, surface both example apps

* docs(cli): document --ios-device and per-platform doctor

* docs: tighten README, fold examples into Docs list

* docs(runs): correct --clear-data lifecycle wording

Default behavior no longer wipes app data between runs; --clear-data is now opt-in.

* docs(getting-started): add iOS path, separate folio and folio-web

Document just test-ios under examples/folio, and distinguish the KMP
sample from the React + Vite folio-web sample.

* docs(inspect): document the eight panels

Lists Screenshot, ActionList, Timeline, ViolationsPanel, HierarchyPanel,
SnapshotTable, MetricsChart, ExceptionsPanel. Cross-links HierarchyPanel
to the spec language reference.

* docs(writing-specs): document setup export, flag noLogcatErrors as android-only

Mirrors pkg/spec/README.md so the manual covers the runner's setup-first
fall-through. Marks noLogcatErrors as Android-only so iOS/web spec
authors know it silently no-ops.

* docs(folio): document web target and iOS sanderling test recipe

After the KMP refactor folio also runs on wasmJs and the justfile exposes
just web, just web-build, and just test-ios. Surface all three.

* docs(folio-web): add README

Covers prerequisites, demo credentials, just test recipe, and how the
React + Vite host exposes state to the sanderling spec via stable ids
and data-* attributes.

* docs: scrub driver-implementation name from user docs

Drop the implementation tool name from README, cli.md doctor table, and
spec-language.md. These docs should describe behaviour, not the specific
underlying tool the native sidecar wraps.

* docs(development): scrub driver-implementation name from dev docs

architecture, design-principles, decisions now describe the native
sidecar by role (gRPC surface over OS UI-test pipeline) rather than by
the specific tool it wraps.
2026-05-25 16:17:21 +05:30

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Markdown

---
title: sanderling inspect
---
# sanderling inspect
Local web UI for exploring runs produced by `sanderling test`. Reads `runs/<id>/meta.json` and `runs/<id>/trace.jsonl` from disk.
```
sanderling inspect [run-or-runs-dir] [--port N] [--no-open] [--dev]
```
The positional argument can be a runs directory or a single run directory (auto-detected by `meta.json`). Defaults to `./runs`.
![sanderling inspect](../../_assets/inspect-ui.png)
## Panels
| Panel | What it shows |
|---|---|
| Screenshot | Device screenshot for the focused step, with the dispatched action's target spotlit. |
| ActionList | Ordered list of steps with the verb and target for each action. |
| Timeline | Per-property lane chart over the run; cells coloured by violated, pending, or holds. |
| ViolationsPanel | Property statuses at the focused step with residual formulas for any that failed. |
| HierarchyPanel | Filterable table of every UI element captured at the focused step; mirrors the selectors documented in [Spec language reference](./spec-language/). |
| SnapshotTable | Flattened `snapshots` map for the focused step, with diffs against the previous step. |
| MetricsChart | Heap and other host-side metrics sampled per step. |
| ExceptionsPanel | Uncaught exceptions captured during the run, with a jump-to-first control. |
## Keyboard shortcuts
| Key | Action |
|---|---|
| `j`, `Right` | Next step |
| `k`, `Left` | Previous step |
| `Shift+j`, `Shift+Right` | Jump 10 forward |
| `Shift+k`, `Shift+Left` | Jump 10 back |
| `g` / `G` | First / last step |
| `.` | Next step with a violation |
Arrow keys inside a tablist or listbox yield to those widgets. Use `j`/`k` when focus is on one.
## Deep links
`/runs/:id/steps/:n` links to a specific step. Use it in issues or PRs when pointing at a violation.
The run index auto-refreshes over SSE as new runs land, so `sanderling inspect` and `sanderling test` can run side by side.
## Development
Two-process loop while iterating on the UI:
```
make web-dev # bun + vite on http://127.0.0.1:5173
make inspect-dev # sanderling inspect --dev, proxies non-API to 5173
```
Single binary with the bundle embedded:
```
make sanderling
```