* fix(guardrails): encrypt guardrail litellm_params secrets at rest
* fix(guardrails): keep salt-key encryption on master key rotation and retry rows edited mid-rotation
- rotate guardrail params under LITELLM_SALT_KEY when set, matching the key reads decrypt with
- re-read and retry a row whose updated_at moved during rotation, up to GUARDRAIL_ROTATION_ATTEMPTS
- build decrypted Guardrail rows and the rotation count without mutating locals
* refactor(guardrails): retry guardrail rotation by bounded recursion instead of a rebound cursor
- each attempt re-reads the row and recurses with attempts_left - 1, so no loop variable is rebound
- cover the give-up path after GUARDRAIL_ROTATION_ATTEMPTS writes
* test(guardrails): drive the real guardrail rotator from the master key rotation test
- inject an encrypted guardrail row through the prisma client instead of replacing the GuardrailRegistry method
- assert the written params decrypt under the new master key
* Annotate guardrail param encryption collections for type-discipline gate
* Type guardrail param recursion through validated JSON containers
* Type guardrail registry test helpers and drop section comment
* Reject client-supplied encrypted values in guardrail litellm_params
* Allow depth-bounded contains_encrypted_marker in the recursion detector
* Keep a loaded guardrail when its DB params do not decrypt with the current key
* Apply other DB edits while keeping loaded values that do not decrypt, including PATCH models
* Keep the loaded guardrail when an undecryptable param has no loaded value
* Drop suppressions the type discipline gate on main now reports as unused
* Assert what the reinitialized guardrail holds after an edit to an undecryptable one
* Drive the rotation sync tests through a registered guardrail instead of patching reinitialize
* Type the rotation test helpers and drop the new test docstrings
* fix(guardrails): refuse to approve a submission whose params do not decrypt
Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
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Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
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