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Add Custom model endpoint provider - #1228

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Paul Lizer (paullizer) wants to merge 2 commits into
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paullizer-custom-model-endpoints
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Add Custom model endpoint provider#1228
Paul Lizer (paullizer) wants to merge 2 commits into
Developmentfrom
paullizer-custom-model-endpoints

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@paullizer Paul Lizer (paullizer) commented Aug 12, 2026

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Summary

  • add a user-facing Custom model endpoint provider for OpenAI API, Azure OpenAI API, and Anthropic
  • support manual model configuration across global, personal, and group scopes with type-specific model/deployment names, API-key authentication, response-length settings, and Anthropic Version
  • wire Custom models through chat, streaming, agents, workflows, summaries, metadata extraction, multimodal requests, and model catalogs
  • preserve existing authorization, governance, and Key Vault secret-storage behavior
  • enforce HTTPS, blocked-address policy, optional private-host governance, runtime revalidation, redirect refusal, sanitized provider errors, and DNS address pinning against rebinding
  • document the feature, update release notes, and bump the application version to 0.250.168

Validation

  • 26 targeted functional and route-policy test scripts passed
  • modified Python modules compiled successfully
  • modified JavaScript files passed node --check
  • git diff --check passed
  • two final code-review passes reported no remaining actionable findings

Fixes #1222

Paul Lizer (paullizer) and others added 2 commits August 12, 2026 10:35
@paullizer
Add Custom model endpoint provider
e6e454c 
Support OpenAI, Azure OpenAI, and Anthropic API contracts across global, personal, and group endpoint scopes with manual models, API-key authentication, runtime integration, and hardened outbound networking.

Refs #1222

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
@paullizer
Merge Development and resolve conflicts
171bb2a 
Preserve the Custom model endpoint release notes alongside the latest Development history and advance the application version to 0.250.172.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
github-advanced-security[bot]
github-advanced-security AI found potential problems Aug 12, 2026
View reviewed changes
Comment thread application/single_app/functions_documents.py
get_model_endpoint_api_type,
resolve_model_endpoint_request_model,
)
from model_endpoint_clients import MODEL_ENDPOINT_PROTOCOL_AZURE_OPENAI, infer_model_endpoint_protocol
@paullizer Paul Lizer (paullizer) mentioned this pull request Aug 19, 2026
Merged
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