Teknium e68f3fd825 fix(photon): harden structured sidecar error classes + target_not_allowed ... Maintainer follow-up to the #51193 salvage: - _send_with_retry: permanent classes (auth_or_config, target_not_allowed) now short-circuit BEFORE the unconditional plain-text fallback resend, including when a retry attempt surfaces one — no more double-sends of permanently-failing requests. - sidecar classifySidecarError: new structured code target_not_allowed for Spectrum's 'Target not allowed for this project' AuthenticationError (shared/free-tier lines cannot initiate outbound sends to new targets). Classification applies to every handler sharing the catch-all serverError path (/send, /send-attachment, /react, /typing, ...). - _standalone_send now parses the structured error body too (it reads sidecar responses independently of _sidecar_call) and returns error_class/retryable alongside the message. - target_not_allowed maps to a canonical user-facing message in both paths; raw upstream error text never leaks through the structured code. Closes the actionable halves of #50971, #51897, #52794.		2026-07-28 21:45:52 -07:00
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photon	fix(photon): harden structured sidecar error classes + target_not_allowed	2026-07-28 21:45:52 -07:00