feat(data-pipeline): OTLP gRPC trace export#2171

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bm1549 wants to merge 13 commits into

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brian.marks/otlp-grpc-trace-export

Commits on Jun 26, 2026

build(data-pipeline): add tonic 0.14 for gRPC OTLP transport

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feat(data-pipeline): add OtlpProtocol::Grpc variant and OtlpGrpcTraceConfig

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feat(data-pipeline): implement OtlpGrpcTransport and send_otlp_traces_grpc

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fix(data-pipeline): re-export gRPC transport types from otlp module

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feat(data-pipeline): add OtlpExportMode enum; dispatch to gRPC send path

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feat(data-pipeline): build OtlpGrpcTransport when Grpc protocol + endpoint configured

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feat(data-pipeline-ffi): accept 'grpc' as valid OTLP protocol in FFI

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fix(data-pipeline): call Grpc::ready() before unary() to satisfy tower Buffer poll contract

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test(data-pipeline): end-to-end gRPC OTLP trace export test with in-process h2 server

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chore(data-pipeline): remove stale allow attrs and duplicate parse tests

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fix(data-pipeline): gate gRPC OTLP transport off wasm32; stabilize miri/coverage

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perf(data-pipeline): avoid per-export gRPC transport clone; add tests + benchmark

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fix(data-pipeline): reject gRPC on wasm32; fix deadline status kind; review cleanups

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