Verify shared producer updates using the actual Collector runtime - #520
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This was referenced Sep 8, 2026
zzylol
changed the base branch from
feat/shared-producer-lifecycle-demand
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September 8, 2026 20:18
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Before this PR
The process test decoded real Collector plans, but built its DDSketch payload directly in the test.
After this PR
The emitted plan creates one actual asap-precompute-rs PrecomputeImpl with its configured DDSketch implementation. Raw observations flow through its real observer, window and emission loop. The test asserts one runtime, one output envelope, and exactly N observations/count for N inputs; both registered quantile consumers read that emitted state through the production backend. The test transport adapter supplies generation-bound OTLP metadata.
Verification
backend_process_e2e passes, including failed staging and rejected-generation isolation. This runs the actual Collector Rust runtime library, not a complete platform-specific Collector executable. Stacked on #519; no automatic merge.