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Carry ATL03 signal confidence through aggregation: signal/noise split + t-digest encoding for signal-weighted photon flux

Status: Open.

#321 In englacial/zagg;

· espg opened on Jul 23, 2026

Shard-map invoke payloads exceed the 256 KB async cap — normalize to ids-only + zstd envelope; presigned-URL staging as the durable fix

Status: Open.

#320 In englacial/zagg;

· espg opened on Jul 23, 2026

Adopt zarr-python sparse-read primitives (zarr-developers/zarr-python#4028) when released

Status: Open.

#319 In englacial/zagg;

· espg opened on Jul 22, 2026

CloudFormation: accept the cryocloud team-gated invoke role + hub-wide bucket read/list (retires 2i2c#8083 pattern)

Status: Open.

#318 In englacial/zagg;

· espg opened on Jul 21, 2026

Pilot-first cost estimator: fill the estimate_cost_usd stub (deferred #298 phase 3)

plan

waiting

Status: Open.

#310 In englacial/zagg;

· espg opened on Jul 20, 2026

Explicit-list re-template append (D15) is unreachable through the manifest overwrite guard

Status: Open.

#308 In englacial/zagg;

· espg opened on Jul 20, 2026

Cost/provenance visualization: gridlook choropleth, duckdb, Grafana

Status: Open.

#301 In englacial/zagg;

· espg opened on Jul 19, 2026

Raise read concurrency (granule_workers K) at the pole — spill/disk removes the memory cap that held K low (#148 next lever)

implement

waiting

Status: Open.

#290 In englacial/zagg;

· espg opened on Jul 19, 2026

Generalize merge-mode streaming toward the full reducer surface (parity with spill)

discuss

waiting

Status: Open.

#283 In englacial/zagg;

· espg opened on Jul 18, 2026

Document user-side t-digest via declarative numpy expression + define the user-side-code policy

discuss

documentationImprovements or additions to documentationImprovements or additions to documentation

waiting

Status: Open.

#281 In englacial/zagg;

· espg opened on Jul 18, 2026

Parallelize the spill reducer (intra-block partitions + inter-block k-way) — blocked by #279

enhancementNew feature or requestNew feature or request

implement

waiting

Status: Open.

#280 In englacial/zagg;

· espg opened on Jul 18, 2026

Refresh test -disk worker code in deploy-test (per-merge spill arm)

Status: Open.

#278 In englacial/zagg;

· espg opened on Jul 18, 2026