Enterprise v1.5.8 base version

What's Changed

• docs by @akshaydeo in #5692
• fixes version suffix for go plugins docs by @akshaydeo in #5697
• plugin docs fixes by @akshaydeo in #5698
• chore: release Bifrost Helm chart v2.1.33 with OTEL schema fix by @BearTS in #5705
• docs: add budget override API reference and OpenAPI spec by @impoiler in #5736
• docs: add per-user access-profile budget override API and docs by @impoiler in #5747
• add proxy support for realtime calls (websocket based) by @akshaydeo in #5788
• fix: inject placeholder text block for document-only messages in Bedrock Converse API by @Pratham-Mishra04 in #5817
• retain tool cache_control for bedrock converse by @akshaydeo in #5811
• bedrock invoke flow now retains image/tool_use/tool_return by @akshaydeo in #5814
• fixes #5186 - encrypted reasoning by @akshaydeo in #5819
• bedrock + anthropic patches for adaptive thinking by @akshaydeo in #5821
• cache_control for bedrock by @akshaydeo in #5824
• stream cancel fix by @akshaydeo in #5836
• closed channel fix by @akshaydeo in #5837
• fix: tool ordering in extractToolsFromResponsesConversationHistory by @TejasGhatte in #5828
• fix: bedrock headers signing denylist by @TejasGhatte in #5833
• perf: bulk VK provider replacement and direct VK lookup by @danpiths in #5844
• updates codeowners by @akshaydeo in #5845
• feat: add WithFasthttpBufferSizes option to HTTPClientFactory for configurable SCIM read/write buffers by @BearTS in #5808
• fix: tolerate ErrNotFound when pruning cascade-deleted budgets and configs by @BearTS in #5802
• provider harness fixes by @akshaydeo in #5846
• chore: adds claude mcpb docs by @sammaji in #5818
• chore: adds docs for github copilot cli, app and vscode extension by @sammaji in #5830
• moves sse hearbeats to a common structure to reuse by @akshaydeo in #5850
• fix: adds context_management param in responses api by @sammaji in #5750
• feat: surface external (access-profile) rate limit in VK quota and admin read paths by @BearTS in #5857
• feat: add is_access_profile_managed server-computed flag to VK for RBAC-independent managed-key UI by @BearTS in #5858
• token parity tests by @akshaydeo in #5856
• docs: add AWS ALB identity-aware proxy guide and update role resolution strategy docs by @BearTS in #5826
• template fixes by @akshaydeo in #5860
• chore: release Bifrost Helm chart v2.1.34 with SCIM roleResolutionStrategy support by @BearTS in #5777

Full Changelog: ent-v1.5.7-base...ent-v1.5.8-base