The SDK was used for exactly one call, ReadSignals, which is a JSON decode of
a query parameter. It brought four modules with it, including an HTTP
compression stack, for an SSE generator this app never touches: the search
handlers answer with plain text/html and let Datastar match the fragment by
id.
Five lines replace it. Absent or empty is deliberately not an error — the
first request carries no signals, and rejecting it would 400 the initial
load. Tests cover absent, empty, malformed, and extra signals present.
Nothing changes on the client: Datastar still sends the same
?datastar={"haku":"..."}, and the smoke checks that assert that wire format
are what make the swap safe.
Esa Kataja
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