fix(runtime): normalize custom base URLs to include /v1 suffix for OpenAI-compatible endpoints#4618
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ygd58 wants to merge 1 commit into
Open
fix(runtime): normalize custom base URLs to include /v1 suffix for OpenAI-compatible endpoints#4618ygd58 wants to merge 1 commit into
ygd58 wants to merge 1 commit into
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…enAI-compatible endpoints
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This was referenced May 1, 2026
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Fixes #4600
Problem
Custom OpenAI-compatible endpoints without /v1 (e.g. https://api.x.ai) caused 404 errors because the OpenAI SDK appends /chat/completions directly to base_url, resulting in /chat/completions instead of /v1/chat/completions.
Fix
Added _ensure_v1_suffix() helper that appends /v1 when needed. Applied to:
Skips already-versioned paths: /v1, /v2, /v3, /v4, /anthropic, /api/v1