Sweep 2026-07-29: refresh ant-client and ant-node verification SHAs

[JimCollinson]

Metadata-only stamp refresh from the daily upstream sweep.

Upstream

• ant-client: 81848a09 → 6f0c9572
• ant-node: c3ffe5a7 → f4c8cd56

Source artifacts inspected

• ant-client: ant-core/src/data/client/merkle.rs, file.rs, mod.rs, error.rs, Cargo.lock
• ant-node: src/payment/verifier.rs, src/replication/config.rs, src/storage/lmdb.rs, Cargo.toml, docs/adr/ADR-0007-*.md, docs/adr/ADR-0008-storage-economics-and-payment-protocol.md

Developer-facing change
The two repos advanced in one coordinated merkle-batch-payment rework. The developer-facing parts (merkle settlement now at the 3x median multiplier, padded-leaf cost billing, and the external-signer MerkleBatchTooLarge 256-address limit) are mid-rollout and pending economic sign-off (ADR-0008 is Proposed; node enforcement is future-dated to 2026-08-04), so they are deferred to manual review rather than stamped or rewritten here. Every page stamped in this PR describes only surfaces that are unchanged at the pinned head: payment-mode names, the 64-chunk merkle threshold, CLI --merkle/--no-merkle flags, the generic Merkle batch payment glossary entry, NodeConfig fields, and high-level architecture/storage prose.

Files changed in this PR

• 24 docs <!-- verification: --> blocks (ant-client and/or ant-node), source_commit and verified_date only:
  • ant-client: system-overview, cli/command-reference, cli/use-the-cli, core-concepts/data-types, core-concepts/keys-addresses-and-datamaps, core-concepts/overview, guides/build-read-only-features, guides/deploy-to-mainnet, guides/overview, guides/prepare-a-wallet-for-uploads, guides/test-your-application, index, reference/glossary, reference/source-repositories, rust/README, rust/build-directly-in-rust
  • ant-node: system-overview, guides/overview, guides/set-up-a-local-network, guides/test-your-application, reference/glossary, reference/source-repositories, rust/embed-a-node-in-your-application, sdk/start-the-local-daemon
• skills/start/version.json — verified_commits values for ant-client and ant-node (key set unchanged)
• skills/start/SKILL.md — frontmatter verified_commits values for ant-client and ant-node plus verified_date (body, version, published_date, CHANGELOG unchanged)
• planning/sweeps/2026-07-29.md — run summary

Deferred to manual review (not stamped; verification blocks byte-identical to base)

• docs/core-concepts/payment-model.md (ant-client + ant-node) — manual review needed for docs/core-concepts/payment-model.md #81
• docs/sdk/how-to-guides/use-external-signers-for-upload-payments.md (ant-client) — manual review needed for docs/sdk/how-to-guides/use-external-signers-for-upload-payments.md #82
• docs/rust/library-reference.md (ant-client) — manual review needed for docs/rust/library-reference.md #83

Verification run

• python3 scripts/sweep_poll.py on the branch: status: ok, no malformed-block errors. Remaining drift is exactly the 4 deferred records on the 3 pages above (expected — tracked by manual review needed for docs/core-concepts/payment-model.md #81–manual review needed for docs/rust/library-reference.md #83).
• Skill linked-release rule: SKILL.md body byte-identical to base, so version/published_date/CHANGELOG correctly unchanged.
• Changed code samples: none (metadata-only).
• markdownlint / link checker: skipped — not configured in the repo.

Uncertainties
The merkle payment rework is developer-facing and material (merkle uploads settle at 3x, cost is billed per padded leaf, external merkle batches cap at 256 addresses), but it is mid-rollout and its pricing decision is Proposed and pending economic-owner sign-off. The judgment call this run made is to defer that content to human review rather than document it as settled current behavior; the reviewer of #81–#83 should confirm that call and decide the framing.

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