[docs-agent] Weekly skills update 2026-09-02

[alchemy-bot]

Weekly sync from docs merges in the 2026-08-26 → 2026-09-02 window.

Docs PRs covered

• #1587 — Solana getProgramAccountsV2 added to the JSON-RPC spec + pricing (DOCS-212).
• #1591 — EIP-7702 default-delegation change announced for Sept 14, 2026 (v1.0.0 → v1.1.0 for new accounts).
• #1589 — Sui JSON-RPC deprecation banners + migration guide, end-of-support Sept 25, 2026 (DOCS-214).
• #1583 — Usage API groupBy now accepts up to three dimensions (DX-3488).
• #1582 — Portfolio API includeBlockMetadata request field + blockMetadata response object (DOCS-211).
• #1593 — Degen Chain full deprecation, mainnet + sepolia post-cutoff removal (DOCS-215).
• #1568 + #1594 — Solana WebSocket + Yellowstone gRPC point at streaming.alchemy.com for both Mainnet and Devnet (DOCS-206 / DOCS-216).
• #1566 — Solana blockSubscribe reference page (streaming-endpoint-only) (DOCS-205).
• #1580 — Sui gRPC gets 5 previously-undocumented methods on LedgerService + SubscriptionService (DOCS-210).

Skills files updated

• solana-rpc.md — added getProgramAccountsV2 with V2-specific params (limit, paginationKey, changedSinceSlot, withContext wrap), pagination guidance, and cross-listed the method in Other Common Methods.
• solana-websocket-subscriptions.md — updated base URL block to distinguish streaming host (WebSocket + gRPC) from .g.alchemy.com (HTTP JSON-RPC) across Mainnet and Devnet; added blockSubscribe / blockUnsubscribe with the streaming-endpoint-only requirement, the mandatory maxSupportedTransactionVersion: 0, and the @solana/web3.js non-wrap note.
• solana-grpc-details.md — added Endpoints section pointing at solana-{mainnet,devnet}.streaming.alchemy.com and clarified that the streaming host does not serve HTTP JSON-RPC.
• wallets-wallet-apis.md — corrected the EIP-7702 delegation-defaults section: v1.0.0 is currently the default for new accounts, v1.1.0 takes over on Sept 14, 2026. Kept both contract addresses in the accepted-delegation table.
• operational-admin-api.md — added a groupBy semantics subsection under /usage/timeseries covering the up-to-three-dimensions limit and the common shapes (single-axis, matrix, three-way).
• alchemy-cli/SKILL.md — updated --group-by command-syntax hint from <field> to <dim1,dim2,dim3> and added a semantics bullet under the Usage section.
• data-portfolio-apis.md — added includeBlockMetadata request param to both /assets/tokens/by-address and /assets/tokens/balances/by-address param tables. Added new "Block metadata" section documenting the response shape (per-network blockNumber / blockHash / blockTimestamp, opt-in default, successful-networks-only). Backfilled a "Partial failures" section for the 200-with-error.partialErrors[] shape that landed in docs PR #1539 during the queue pileup — carrying it in now so the block-metadata coverage lands with the surrounding fan-out semantics intact.
• operational-supported-networks.md — expanded the Degen entry from Mainnet-only to "Degen Chain (Mainnet + Sepolia)" post-cutoff removal, updated the notice URL, and dropped degen-sepolia from the Data API lowercase network list.
• sui-grpc-objects-and-ledger.md — added 3 new LedgerService rows (ListCheckpoints, ListTransactions, ListEvents) with the common server-streaming envelope (read_mask, QueryOptions, Watermark, QueryEnd) and cursor-resume guidance.
• sui-grpc-subscriptions.md — added SubscribeTransactions and SubscribeEvents alongside the existing SubscribeCheckpoints. Broadened the summary from checkpoint-only to full tip-following. Added a Filtering section noting TransactionFilter / EventFilter shapes.
• sui-grpc-overview.md — added a top-of-file "Sui JSON-RPC end-of-support: September 25, 2026" callout with the migration guide URL. Broadened the streaming bullet to name the new subscribe + list methods.

Material changes

• New API surface — Solana getProgramAccountsV2; Solana blockSubscribe on the streaming endpoint; Sui gRPC ListCheckpoints / ListTransactions / ListEvents (LedgerService) and SubscribeTransactions / SubscribeEvents (SubscriptionService).
• Auth / endpoint change — Solana WebSocket + Yellowstone gRPC now live on streaming.alchemy.com for both Mainnet and Devnet; HTTP JSON-RPC remains on .g.alchemy.com.
• API parameter additions — Portfolio includeBlockMetadata request + blockMetadata response; Usage API groupBy widened to 3 dimensions.
• Auth flow change — EIP-7702 new-account default delegation flips from v1.0.0 to v1.1.0 on September 14, 2026. Downstream apps that validate delegation addresses need to allowlist v1.1.0 before then.
• Deprecations — Degen Chain (Mainnet + Sepolia) full removal; Sui JSON-RPC end-of-support notice (September 25, 2026) with migration guide.

Not material (skipped this week)

• Docs PRs #1596 / #1597 / #1585 / #1584 / #1579 / #1569 — Daikon-generated OpenRPC / server-endpoint / CU-costs syncs (always skipped per the playbook).
• Docs PR #1590 — nav-only unhide of Activity Log + Webhook Subscriptions pages. Coverage worth revisiting once the content stabilizes; not adding a new skill file mid-cycle.
• Docs PR #1577 — Simulation FAQ tier caps refresh. Per the "don't enumerate rotable numeric quantities" rule from LEARNINGS-16 (PR #1562 handling); the docs page stays canonical.
• Docs PR #1570 — BETA-label removal from Internal Transaction Debug trace-call filters. Already noted in prior weeklies; the affected skill doesn't enumerate the filter families that carried the BETA flag.

Canonical + plugins mirror synced via plugins/alchemy/scripts/sync_from_catalog.py. Byte-identical verified.

No Requested-by: trailer — cron-triggered weekly with no Slack originator.