ent-v1.4.0-prerelease4-base

## What's Changed
* fix(helm): use correct templating for mcpClientConfig by @crust3780 in https://github.com/maximhq/bifrost/pull/2673
* docs updates by @akshaydeo in https://github.com/maximhq/bifrost/pull/2691
* changelog update by @akshaydeo in https://github.com/maximhq/bifrost/pull/2693
* fix(bedrock): preserve image content in tool results for Converse API by @Edward-Upton in https://github.com/maximhq/bifrost/pull/2658
* chore: updates compat plugin docs by @sammaji in https://github.com/maximhq/bifrost/pull/2698
* fix: allow custom providers without a list models endpoint to pass in any model rather than restrict it on vk by @danpiths in https://github.com/maximhq/bifrost/pull/2694
* docs: update langchain sdk docs for google by @BearTS in https://github.com/maximhq/bifrost/pull/2702
* [fix]: Bedrock provider - emit message_stop event for Anthropic invoke stream by @tefimov in https://github.com/maximhq/bifrost/pull/2429
* fix: otel plugin fixes by @sammaji in https://github.com/maximhq/bifrost/pull/2727
* docs: delete example for patronus_ai by @BearTS in https://github.com/maximhq/bifrost/pull/2734
* helm chart updates by @akshaydeo in https://github.com/maximhq/bifrost/pull/2736
* fixed validation checks by @akshaydeo in https://github.com/maximhq/bifrost/pull/2737
* fix: capture responses streaming api error by @BearTS in https://github.com/maximhq/bifrost/pull/2681
* test case fixes for helm release by @akshaydeo in https://github.com/maximhq/bifrost/pull/2738
* removes prerelease tag from helm chart by @akshaydeo in https://github.com/maximhq/bifrost/pull/2739
* new docs updates for scim by @akshaydeo in https://github.com/maximhq/bifrost/pull/2748
* removed keycloak by @akshaydeo in https://github.com/maximhq/bifrost/pull/2749
* fix: delete fallbacks from anthropic req by @TejasGhatte in https://github.com/maximhq/bifrost/pull/2754
* fix: preserve context values in async requests by @TejasGhatte in https://github.com/maximhq/bifrost/pull/2703
* [fix]: Gemini provider - handle content block tool outputs in Responses API path by @tom-diacono in https://github.com/maximhq/bifrost/pull/2692
* fix: gemini thinking level and finish reason round-trip preservation by @TejasGhatte in https://github.com/maximhq/bifrost/pull/2697
* fix: remove cc user agent guard from streaming in anthropic by @TejasGhatte in https://github.com/maximhq/bifrost/pull/2706
* remove unnecessary marshalling of payload by @akshaydeo in https://github.com/maximhq/bifrost/pull/2770
* feat: claude opus 4.7 compatibility by @TejasGhatte in https://github.com/maximhq/bifrost/pull/2773
* docs: restructure helm guide into comprehensive multi-page reference by @BearTS in https://github.com/maximhq/bifrost/pull/2776
* v1.4.23 cut by @akshaydeo in https://github.com/maximhq/bifrost/pull/2778
* validator fix by @akshaydeo in https://github.com/maximhq/bifrost/pull/2780
* fix: token usage for vllm --skip-pipeline by @sammaji in https://github.com/maximhq/bifrost/pull/2784
* [fix]: OpenAI provider - flatten array-form tool_result output for Responses API by @martingiguere in https://github.com/maximhq/bifrost/pull/2781
* fix: prevent send on closed channel panic in provider queue shutdown --skip-pipeline by @Pratham-Mishra04 in https://github.com/maximhq/bifrost/pull/2725
* feat: preserve MCP tool annotations in bidirectional conversion --skip-pipeline by @Pratham-Mishra04 in https://github.com/maximhq/bifrost/pull/2746
* fix: add support for Anthropic structured output and response format by @emirhanmutlu-natuvion in https://github.com/maximhq/bifrost/pull/1972
* test fixes --skip-pipeline by @akshaydeo in https://github.com/maximhq/bifrost/pull/2782
* anthropic container changes --skip-pipeline by @akshaydeo in https://github.com/maximhq/bifrost/pull/2783
* core schema changes --skip-pipeline by @akshaydeo in https://github.com/maximhq/bifrost/pull/2787
* dependabot fixes --skip-pipeline by @akshaydeo in https://github.com/maximhq/bifrost/pull/2788
* move back go to 1.26.1 by @akshaydeo in https://github.com/maximhq/bifrost/pull/2792
* temp gotoolchain auto by @akshaydeo in https://github.com/maximhq/bifrost/pull/2809
* temp hack for tests by @akshaydeo in https://github.com/maximhq/bifrost/pull/2810
* temp block docker build by @akshaydeo in https://github.com/maximhq/bifrost/pull/2811
* removed docker build steps by @akshaydeo in https://github.com/maximhq/bifrost/pull/2812
* moves tests to 1.26.2 and 1.26.1 by @akshaydeo in https://github.com/maximhq/bifrost/pull/2813
* ocr test fixes by @akshaydeo in https://github.com/maximhq/bifrost/pull/2814
* revert to old schema by @akshaydeo in https://github.com/maximhq/bifrost/pull/2815
* reduced release pipeline for this cut for go downgrade by @akshaydeo in https://github.com/maximhq/bifrost/pull/2816
* force verstion back to go 1.26.1 by @akshaydeo in https://github.com/maximhq/bifrost/pull/2817
* revert everything to go1.26.1 by @akshaydeo in https://github.com/maximhq/bifrost/pull/2818
* bumped up hello-world dep by @akshaydeo in https://github.com/maximhq/bifrost/pull/2819
* enforce go 1.26.1 by @akshaydeo in https://github.com/maximhq/bifrost/pull/2820
* V1.5.0 by @Pratham-Mishra04 in https://github.com/maximhq/bifrost/pull/2245
* compilation fixes by @akshaydeo in https://github.com/maximhq/bifrost/pull/2830
* logs ux updates by @akshaydeo in https://github.com/maximhq/bifrost/pull/2838
* fix: preserve existing query params in OAuth upstream authorize URL by @Pratham-Mishra04 in https://github.com/maximhq/bifrost/pull/2839
* separate conenction for migrations by @akshaydeo in https://github.com/maximhq/bifrost/pull/2831
* separate streaming clients for avoiding read timeouts by @akshaydeo in https://github.com/maximhq/bifrost/pull/2832
* adds concurrent map fixes for plugin timer by @akshaydeo in https://github.com/maximhq/bifrost/pull/2835
* team budgets by @akshaydeo in https://github.com/maximhq/bifrost/pull/2836
* team budget db structure refactor by @akshaydeo in https://github.com/maximhq/bifrost/pull/2841
* atomic updates to budgets and ratelimits by @akshaydeo in https://github.com/maximhq/bifrost/pull/2844
* refactor: per user oauth cleanups by @Pratham-Mishra04 in https://github.com/maximhq/bifrost/pull/2842
* fix: clean up virtual key configs on provider changes by @danpiths in https://github.com/maximhq/bifrost/pull/2851
* chore: standardize indentation and remove `"use client"` directives across UI files by @impoiler in https://github.com/maximhq/bifrost/pull/2785
* feat: Add single log export functionality for logs and the MCP logs sheet by @impoiler in https://github.com/maximhq/bifrost/pull/2847
* chore: reformat UI code with tab indentation and add `make format ui` target by @impoiler in https://github.com/maximhq/bifrost/pull/2850
* chore: Persist the selected time range across relevant pages by @impoiler in https://github.com/maximhq/bifrost/pull/2854
* feat: Adds user detection for multiple user agents and fixes tool reduplication by @roroghost17 in https://github.com/maximhq/bifrost/pull/2795
* fix: sets extra params passthrough for vllm by @roroghost17 in https://github.com/maximhq/bifrost/pull/2796
* chore: fixes UI dropdown colors and spacing by @roroghost17 in https://github.com/maximhq/bifrost/pull/2849
* feat: add filter to exclude access profile managed virtual keys by @BearTS in https://github.com/maximhq/bifrost/pull/2845
* docs: add teams and access profile fields to user response schema by @BearTS in https://github.com/maximhq/bifrost/pull/2846
* fix: disable pointer events on managed fieldset by @BearTS in https://github.com/maximhq/bifrost/pull/2848
* feat: add stream terminal detection and full body accumulation for passthrough streams by @BearTS in https://github.com/maximhq/bifrost/pull/2863
* feat: add OCR request type support and MCP UI/auth improvements by @Pratham-Mishra04 in https://github.com/maximhq/bifrost/pull/2859
* feat: add OCR input logging and detail view by @Pratham-Mishra04 in https://github.com/maximhq/bifrost/pull/2860
* test: add async job TTL integration tests by @Pratham-Mishra04 in https://github.com/maximhq/bifrost/pull/2861
* fix: per-user OAuth support in codemode by @Pratham-Mishra04 in https://github.com/maximhq/bifrost/pull/2862
* fix: add OCR request pricing support by @Pratham-Mishra04 in https://github.com/maximhq/bifrost/pull/2864
* fix: add v1.5.0-prerelease4 migration test coverage and fix calendar_aligned propagation by @Pratham-Mishra04 in https://github.com/maximhq/bifrost/pull/2870
* virtual key fixes by @akshaydeo in https://github.com/maximhq/bifrost/pull/2856
* fix: remove redundant static header assignment in tool execution by @Pratham-Mishra04 in https://github.com/maximhq/bifrost/pull/2872
* docs: add provider authentication UI screenshots and improve documentation by @Pratham-Mishra04 in https://github.com/maximhq/bifrost/pull/2769
* v1.5.0-prerelease4 cut by @akshaydeo in https://github.com/maximhq/bifrost/pull/2874
* v1.5.0-prerelease4 cut by @akshaydeo in https://github.com/maximhq/bifrost/pull/2877
* bring back test flows by @akshaydeo in https://github.com/maximhq/bifrost/pull/2878
* test fixes by @akshaydeo in https://github.com/maximhq/bifrost/pull/2879
* fixed mocker dep --skip-ci by @akshaydeo in https://github.com/maximhq/bifrost/pull/2880
* update scripts to use skip-ci by @akshaydeo in https://github.com/maximhq/bifrost/pull/2881
* removed litellmcompat by @akshaydeo in https://github.com/maximhq/bifrost/pull/2882
* transport changelog by @akshaydeo in https://github.com/maximhq/bifrost/pull/2883

## New Contributors
* @crust3780 made their first contribution in https://github.com/maximhq/bifrost/pull/2673
* @tefimov made their first contribution in https://github.com/maximhq/bifrost/pull/2429
* @tom-diacono made their first contribution in https://github.com/maximhq/bifrost/pull/2692
* @martingiguere made their first contribution in https://github.com/maximhq/bifrost/pull/2781
* @emirhanmutlu-natuvion made their first contribution in https://github.com/maximhq/bifrost/pull/1972

**Full Changelog**: https://github.com/maximhq/bifrost/compare/ent-v1.4.0-prerelease3-base...ent-v1.4.0-prerelease4-base