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Create client ids without crypto.randomUUID

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crypto.randomUUID() is only defined in secure contexts (HTTPS or
localhost). Opened over plain HTTP from another machine in the LAN, the
circuit list editor failed with "crypto.randomUUID is not a function"
whenever it created a circuit, device row, circuit group or distribution
board component, including typing into the -frei- row.

createClientId() uses crypto.randomUUID() where available and otherwise
builds an RFC 4122 version 4 UUID from crypto.getRandomValues(), which
works in every context. AGENTS.md notes the rule.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Grovy311 2026-09-26 12:01:43 +02:00
parent 2e3e85a8e5
commit 79fcb75ffb
4 changed files with 84 additions and 4 deletions
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7
AGENTS.md
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@ -177,6 +177,13 @@ The circuit list editor must remain a custom spreadsheet-like component with con
Avoid permanent Bootstrap form controls inside table cells. Table cells should show static text by default and switch to inputs only while editing.
## Browser Runtime
The web UI is also opened over plain HTTP from other machines in the LAN, which
is not a secure context. Do not call secure-context-only browser APIs such as
`crypto.randomUUID()` directly; create client-side ids with `createClientId()`
from `src/frontend/utils/client-id.ts`.
## Drag-and-Drop Rules
Dragging from the circuit identifier / circuit handle moves the whole circuit.