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Sameer Kankute
c2fca1124b
Fixes issue where multipart file uploads through passthrough endpoints failed with RequestValidationError. The proxy was consuming the request body stream and FastAPI was trying to parse multipart bodies as JSON dicts. Changes: - Try JSON parsing first for multipart content-type (handles misconfigured clients) - Skip multipart parsing if JSON succeeds to avoid stream consumption - Remove custom_body parameter from endpoint_func to prevent FastAPI auto-parsing - Check for parsed body before using multipart handler - Add regression test for multipart boundary preservation Handles both actual multipart uploads and JSON bodies with incorrect multipart content-type headers. Made-with: Cursor