test fix

test_bedrock_anthropic_prompt_caching

feat(ssl): add configurable ECDH curve for TLS performance

Add `ssl_ecdh_curve` setting to configure TLS key exchange curve.
Allows disabling PQC on OpenSSL 3.x for better performance.

Configurable via SDK (litellm.ssl_ecdh_curve), YAML (litellm_settings),
or env var (SSL_ECDH_CURVE). Common curves: X25519, prime256v1, secp384r1.

Merge staging branch (litellm_staging_branch_10_11_2025_p1) into rc

feat(ssl): add configurable ECDH curve for TLS performance

Add `ssl_ecdh_curve` setting to configure TLS key exchange curve.
Allows disabling PQC on OpenSSL 3.x for better performance.

Configurable via SDK (litellm.ssl_ecdh_curve), YAML (litellm_settings),
or env var (SSL_ECDH_CURVE). Common curves: X25519, prime256v1, secp384r1.

UI new build

test fix

fix: prevent session leaks when recreating aiohttp sessions

Closes old sessions before creating new ones to prevent accumulation. Replaces 'pass' placeholder with asyncio.create_task(old_session.close()) when sessions are recreated due to event loop changes.

test_acompletion_fake_streaming

docs fix