[Findings](/findings/index.md) / UX-049

# Query strings break inside the vault host, so filters must live in the route path

Open · low severity · gap · dev.vault.sgraph.ai

## What we saw

Adding a query string to an app route breaks in the srcdoc frame.

## Why it matters

The usual way to make a filter linkable is not available; each app has to invent a path encoding.

## The fix

Encode filters in the path in a fixed order (desk, format, tag, series, month, q), as the findability vault does.

## The record

| | |
| --- | --- |
| **Status** | Open |
| **Severity** | Low |
| **Kind** | Gap: something the reader needs is not there |
| **Product** | [dev.vault.sgraph.ai](/findings/?product=dev.vault.sgraph.ai), platform |
| **Where** | vault apps with linkable filters |
| **Problems** | [Host trap](/findings/?problem=host-trap), [Unshareable view](/findings/?problem=unshareable-view) |
| **Visibility** | [Silent](/findings/?visibility=silent): no symptom on screen: found only by measuring, or by its consequences |
| **Recommendation** | [Design for the host](/findings/?recommendation=design-for-the-host): use the host's own mechanisms (route variable, sg.state, vault snapshot) instead of the browser's defaults |
| **Area** | [Platform](/findings/?area=platform) |
| **Breaks** | [Every view is a link](/principles/index.md#every-view-is-a-link) |
| **Observed** | 2026-10-11, host |
| **Last checked** | 2026-10-11, host |
| **Source** | [Design lab: what building it measured](/lab/index.md#what-building-the-lab-measured) |
| **Prototype** | [Findability](/lab/index.md#newsroom-proto-find), route `search`, in three directions |

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