feat/dynamic server secrets

[forgetso]

• docs(changeset): Dynamic server secrets for client example server
• Generate server secret dynamically

[Copilot]

Pull request overview

This PR updates the client example server to derive the correct server secret dynamically (based on captcha type) when verifying Procaptcha tokens, and includes updated provider detector decode artifacts plus a changeset.

Changes:

• Add getPairAndSecretForSiteKey() to derive the correct KeyringPair/secret suffix for a given siteKey, and use it in both signup and login verification flows.
• Replace several console.log debug statements with structured logging via getLogger.
• Update provider-side detection decode bundles (decodePayload.js, decodeBehavior.js) and add a changeset for patch releases.

Reviewed changes

Copilot reviewed 5 out of 6 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
packages/provider/src/tasks/detection/decodePayload.js	Updates the bundled/minified payload decode implementation used by the provider detection task.
packages/provider/src/tasks/detection/decodeBehavior.js	Updates the bundled/minified behavior decode implementation used by the provider detection task.
demos/client-example-server/src/controllers/auth.ts	Derives the correct secret per siteKey and switches much of the debug output to structured logging.
demos/client-example-server/src/app.ts	Switches verify-endpoint startup logging to use the configured logger.
.changeset/beige-snails-scream.md	Declares patch releases for the affected packages.

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