Summary

• Await async Piece.calculate in dataset upload and switch findPiece to v1 polling options.
• Read upload cost rates from prep.costs.rates.perMonth.
• Derive wallet summary timeRemaining from v1 runwayInEpochs while preserving the existing output field.
• Update command mocks to v1-only shapes and tighten tests around async piece CID resolution, cost rates, and account summary runway/coverage fields.

Fixes #14
Fixes #15

Graph

Predecessors: #13 / PR #17
Successors: #16

This PR is stacked on #17. It should not be merged until #17 is merged and this branch is updated onto the final base.

Validation

• bun install --frozen-lockfile
• bun run test — 32 pass, 0 fail
• bunx biome check src tests
• bunx tsc --noEmit
• bun run build
• git diff --check

Notes

• No provider selection, payment behavior, or package publishing changes are included.
• wallet summary keeps its existing timeRemaining output, now based on Synapse v1 runway semantics.