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feat: database grid infinite scroll, honest row counts, column virtualization (0340) - #534

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Jul 18, 2026
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feat: database grid infinite scroll, honest row counts, column virtualization (0340)#534
crs48 merged 6 commits into
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claude/0340-grid-60fps-frontier-rows-columns-pagination-and

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@crs48 crs48 commented Jul 18, 2026

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Summary

Implements exploration 0340 (docs/explorations/0340_[x]GRID_60FPS_FRONTIER…md) — the render-side fixes measured in that doc:

  • Infinite scroll (rows): useGridDatabase replaces its fixed 500-row page with a growing window via useInfiniteQuery (pageSize 500, maxLoaded 2000), and GridSurface grows it from a reach-end sentinel. Window grows keep the grid mounted (masked loading), row models cache per node identity, and GridRow is memoized so grows re-render only new rows.
  • Honest footer: count: 'exact' folds the true total into the fused row query; the footer reads "2,000 of 10,000 rows" instead of presenting the window as the total. Client-side filtered/sorted views on capped windows are labeled "filtered within loaded rows".
  • Column virtualization: past 20 fields, GridSurface virtualizes columns (horizontal virtualizer, overscan 3, spacer cells) — vertical scrolling no longer mounts every column per overscan row.
  • useInfiniteQuery gains its first committed test coverage.

Validation (live app, Playwright Chromium, same harness as the exploration baseline)

Metric Before After
32-col vertical scroll 48fps, p95 42ms 80fps, p95 25ms (steady-state 17.6ms)
64-col 28fps, p95 92ms 75fps, p95 25ms
128-col 8.6fps, p50 142ms 60-68fps, p50 9.1ms
10k-row DB, scroll bottom stops at row 500, footer "500 rows" reaches row 2,000, footer "2,000 of 10,000 rows"
Heap after deep scroll 202MB 202MB (flat)

Changeset: @xnetjs/react minor. Changelog fragment included.

🤖 Generated with Claude Code

xNet Test and others added 6 commits July 17, 2026 18:59
xNet Test @claude
feat(react): grow the database row window via useInfiniteQuery (0340)
4c78cfd 
useGridDatabase replaces its fixed 500-row page with a growing window
(pageSize 500, maxLoaded 2000) and exposes totalRowCount / hasMoreRows /
isFetchingMoreRows / fetchMoreRows. count:'exact' folds the true total
into the fused row query. Promotes the 0340 scratch verification into
useInfiniteQuery.test.tsx — the hook's first committed coverage.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Signed-off-by: xNet Test <test@xnet.dev>
xNet Test @claude
feat(views): grid column virtualization, honest footer, reach-end sen…
8268415 
…tinel (0340)

Columns virtualize past 20 fields (horizontal useVirtualizer, overscan 3,
spacer cells) so vertical scrolling mounts a bounded cell window instead
of every column per overscan row - measured 8.6fps at 128 unvirtualized
columns. Footer reads 'N of M rows' from totalRowCount instead of
presenting the window size as the total, and onReachEnd fires near the
end of loaded rows for infinite scroll.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Signed-off-by: xNet Test <test@xnet.dev>
xNet Test @claude
feat(web): wire infinite scroll and windowed-filter notice into the d…
df9fd67 
…atabase grid (0340)

DatabaseView passes totalRowCount/hasMoreRows/fetchMoreRows through to
GridSurface, and labels view filter/sort results 'filtered within loaded
rows' whenever more rows exist past the window.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Signed-off-by: xNet Test <test@xnet.dev>
xNet Test @claude
docs(changelog): add fragment and changeset for grid infinite scroll …
5473a29 
…(0340)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Signed-off-by: xNet Test <test@xnet.dev>
xNet Test @claude
perf(react): keep row identity and grid mounted across window grows (…
1708282 
…0340)

Window grows no longer flip the grid's loading state (which unmounted the
surface to a skeleton and lost scroll position) - useGridDatabase now
reports the masked loading from useInfiniteQuery and surfaces the grow
via isFetchingMoreRows. Row models cache per node identity so a grow
rebuilds only new rows, and GridRow is memoized so unchanged visible rows
skip re-render entirely.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Signed-off-by: xNet Test <test@xnet.dev>
xNet Test @claude
docs(exploration): check off grid 60fps frontier rows columns paginat…
e900ce4 
…ion and infinite scroll

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Signed-off-by: xNet Test <test@xnet.dev>
@crs48
crs48 temporarily deployed to pr-534 July 18, 2026 02:27 — with GitHub Actions Inactive
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🖼️ UI changes in this PR

No visual differences detected in the changed UI.

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github-actions Bot added a commit that referenced this pull request Jul 18, 2026
@github-actions
deploy(visuals): publish PR #534 UI captures
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@github-actions
deploy(preview): publish PR #534 preview
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Preview removed for PR #534.

github-actions Bot added a commit that referenced this pull request Jul 18, 2026
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deploy(preview): publish PR #534 demos preview
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@crs48
crs48 merged commit c412211 into main Jul 18, 2026
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crs48 deleted the claude/0340-grid-60fps-frontier-rows-columns-pagination-and branch July 18, 2026 02:35
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deploy(preview): remove PR #534 preview
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docs(changelog): link PR #534 to its fragment [skip ci]
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@crs48
chore(release): version packages (#526)
b3f9d1b 
This PR was opened by the [Changesets
release](https://github.com/changesets/action) GitHub action. When
you're ready to do a release, you can merge this and the packages will
be published to npm automatically. If you're not ready to do a release
yet, that's fine, whenever you add more changesets to main, this PR will
be updated.


# Releases
## @xnetjs/cli@0.2.0

### Minor Changes

- [#533](#533)
[`0a4a1de`](0a4a1de)
Thanks [@crs48](https://github.com/crs48)! - Agent Passports and signed
agent audit trails (exploration 0337).
- `@xnetjs/data`: new agent schema pack — `AgentPassport`,
`AgentSession`,
`AgentAction`, `AgentApproval`, `AgentNotification` — with deterministic
id
    helpers (`agentActionId`, …) and `redactInstruction`.
- `@xnetjs/identity`: `mintAgentPassport` / `verifyAgentPassport`
(per-agent
    `did:key` + operator-delegated, attenuation-checked UCAN; wildcards
    rejected) and `rootIssuers` for delegation-chain root inspection.
- `@xnetjs/plugins`: `AgentAuditRecorder` wraps the AI surface so every
tool
call lands as an `AgentAction` node and medium+ risk calls park behind a
risk-tiered approval ceremony (chat nonce with TTL for medium;
xNet-surface
only for high/critical); ceremony tools (`xnet_approve`, `xnet_deny`,
`xnet_pending_approvals`, `xnet_undo`) and the `xnet_poll_notifications`
outbox tool; `MCPServerConfig.agentAudit` wires it into the MCP server;
`NodeStoreAPI.create` now accepts an optional deterministic `id`; new AI
    scopes `agent.approve` and `agent.notifications`.
  - `@xnetjs/cli`: `xnet agent enroll <name>` mints and stores passports
(`~/.xnet/agents`, 0600) and prints OpenClaw/Hermes config; `xnet mcp
serve
--agent <name> [--db <path>]` serves an agent-scoped session over an
    agent-signed local store.

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de),
[`fa93e2f`](fa93e2f)]:
  - @xnetjs/data@2.1.0
  - @xnetjs/identity@2.1.0
  - @xnetjs/plugins@2.1.0
  - @xnetjs/runtime@0.5.1
  - @xnetjs/sync@2.1.0
  - @xnetjs/sqlite@2.1.0
  - @xnetjs/crypto@2.1.0
  - @xnetjs/core@2.1.0
## @xnetjs/data@2.1.0

### Minor Changes

- [#533](#533)
[`0a4a1de`](0a4a1de)
Thanks [@crs48](https://github.com/crs48)! - Agent Passports and signed
agent audit trails (exploration 0337).
- `@xnetjs/data`: new agent schema pack — `AgentPassport`,
`AgentSession`,
`AgentAction`, `AgentApproval`, `AgentNotification` — with deterministic
id
    helpers (`agentActionId`, …) and `redactInstruction`.
- `@xnetjs/identity`: `mintAgentPassport` / `verifyAgentPassport`
(per-agent
    `did:key` + operator-delegated, attenuation-checked UCAN; wildcards
    rejected) and `rootIssuers` for delegation-chain root inspection.
- `@xnetjs/plugins`: `AgentAuditRecorder` wraps the AI surface so every
tool
call lands as an `AgentAction` node and medium+ risk calls park behind a
risk-tiered approval ceremony (chat nonce with TTL for medium;
xNet-surface
only for high/critical); ceremony tools (`xnet_approve`, `xnet_deny`,
`xnet_pending_approvals`, `xnet_undo`) and the `xnet_poll_notifications`
outbox tool; `MCPServerConfig.agentAudit` wires it into the MCP server;
`NodeStoreAPI.create` now accepts an optional deterministic `id`; new AI
    scopes `agent.approve` and `agent.notifications`.
  - `@xnetjs/cli`: `xnet agent enroll <name>` mints and stores passports
(`~/.xnet/agents`, 0600) and prints OpenClaw/Hermes config; `xnet mcp
serve
--agent <name> [--db <path>]` serves an agent-scoped session over an
    agent-signed local store.

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de)]:
  - @xnetjs/identity@2.1.0
  - @xnetjs/sync@2.1.0
  - @xnetjs/storage@2.1.0
  - @xnetjs/sqlite@2.1.0
  - @xnetjs/crypto@2.1.0
  - @xnetjs/core@2.1.0
## @xnetjs/identity@2.1.0

### Minor Changes

- [#533](#533)
[`0a4a1de`](0a4a1de)
Thanks [@crs48](https://github.com/crs48)! - Agent Passports and signed
agent audit trails (exploration 0337).
- `@xnetjs/data`: new agent schema pack — `AgentPassport`,
`AgentSession`,
`AgentAction`, `AgentApproval`, `AgentNotification` — with deterministic
id
    helpers (`agentActionId`, …) and `redactInstruction`.
- `@xnetjs/identity`: `mintAgentPassport` / `verifyAgentPassport`
(per-agent
    `did:key` + operator-delegated, attenuation-checked UCAN; wildcards
    rejected) and `rootIssuers` for delegation-chain root inspection.
- `@xnetjs/plugins`: `AgentAuditRecorder` wraps the AI surface so every
tool
call lands as an `AgentAction` node and medium+ risk calls park behind a
risk-tiered approval ceremony (chat nonce with TTL for medium;
xNet-surface
only for high/critical); ceremony tools (`xnet_approve`, `xnet_deny`,
`xnet_pending_approvals`, `xnet_undo`) and the `xnet_poll_notifications`
outbox tool; `MCPServerConfig.agentAudit` wires it into the MCP server;
`NodeStoreAPI.create` now accepts an optional deterministic `id`; new AI
    scopes `agent.approve` and `agent.notifications`.
  - `@xnetjs/cli`: `xnet agent enroll <name>` mints and stores passports
(`~/.xnet/agents`, 0600) and prints OpenClaw/Hermes config; `xnet mcp
serve
--agent <name> [--db <path>]` serves an agent-scoped session over an
    agent-signed local store.

### Patch Changes

- Updated dependencies []:
  - @xnetjs/crypto@2.1.0
  - @xnetjs/core@2.1.0
## @xnetjs/plugins@2.1.0

### Minor Changes

- [#533](#533)
[`0a4a1de`](0a4a1de)
Thanks [@crs48](https://github.com/crs48)! - Agent Passports and signed
agent audit trails (exploration 0337).
- `@xnetjs/data`: new agent schema pack — `AgentPassport`,
`AgentSession`,
`AgentAction`, `AgentApproval`, `AgentNotification` — with deterministic
id
    helpers (`agentActionId`, …) and `redactInstruction`.
- `@xnetjs/identity`: `mintAgentPassport` / `verifyAgentPassport`
(per-agent
    `did:key` + operator-delegated, attenuation-checked UCAN; wildcards
    rejected) and `rootIssuers` for delegation-chain root inspection.
- `@xnetjs/plugins`: `AgentAuditRecorder` wraps the AI surface so every
tool
call lands as an `AgentAction` node and medium+ risk calls park behind a
risk-tiered approval ceremony (chat nonce with TTL for medium;
xNet-surface
only for high/critical); ceremony tools (`xnet_approve`, `xnet_deny`,
`xnet_pending_approvals`, `xnet_undo`) and the `xnet_poll_notifications`
outbox tool; `MCPServerConfig.agentAudit` wires it into the MCP server;
`NodeStoreAPI.create` now accepts an optional deterministic `id`; new AI
    scopes `agent.approve` and `agent.notifications`.
  - `@xnetjs/cli`: `xnet agent enroll <name>` mints and stores passports
(`~/.xnet/agents`, 0600) and prints OpenClaw/Hermes config; `xnet mcp
serve
--agent <name> [--db <path>]` serves an agent-scoped session over an
    agent-signed local store.

- [#525](#525)
[`fa93e2f`](fa93e2f)
Thanks [@crs48](https://github.com/crs48)! - Add the workspace-plugin
runtime (exploration 0331): author, hot-load, and
compose plugins whose source lives in the workspace as a `PluginSource`
node.
New public surface: `PluginSourceSchema` + `readPluginSourceNode`, an
in-browser
module builder (`buildPluginModuleGraph`) with a pinned import map, the
`SandboxedPluginHost` (`activateWorkspacePlugin`) that loads plugin code
only in
  an opaque-origin iframe and registers data-declared contributions over
MessagePort RPC, a gated store RPC (`createPluginStoreRpc`,
denylist-wins), a
250ms-debounce hot reloader (`createWorkspacePluginHotReloader`),
content-hash
pinning + drift diffing (`computePluginSourceHash`,
`assessPluginUpdate`), the
  `plugin_*` agent tools (`createWorkspacePluginAgentTools`) and the
`WRITING_XNET_PLUGINS_SKILL_MD` authoring skill, and both publish paths
(`requestWorkspacePluginPublish`, `buildCommunityRegistryEntry`).
`MCPServerConfig`
gains an `extraTools` field to expose the new tools beside the
built-ins.

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de)]:
  - @xnetjs/data@2.1.0
  - @xnetjs/abuse@2.1.0
  - @xnetjs/core@2.1.0
## @xnetjs/react@2.1.0

### Minor Changes

- [#534](#534)
[`5473a29`](5473a29)
Thanks [@crs48](https://github.com/crs48)! - `useGridDatabase` now pages
database rows through a growing window instead of a fixed 500-row page:
new `fetchMoreRows()` grows the window by `pageSize` (default 500) up to
`maxLoaded` (default 2000, configurable via options), and the result
exposes `totalRowCount` (exact matching count), `hasMoreRows`, and
`isFetchingMoreRows` so grids can render honest totals and infinite
scroll. Existing consumers keep working unchanged — rows still arrive
sorted by `sortKey` on the live query path.

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de),
[`fa93e2f`](fa93e2f)]:
  - @xnetjs/data@2.1.0
  - @xnetjs/identity@2.1.0
  - @xnetjs/plugins@2.1.0
  - @xnetjs/data-bridge@2.1.0
  - @xnetjs/history@2.1.0
  - @xnetjs/runtime@0.5.1
  - @xnetjs/sync@2.1.0
  - @xnetjs/crypto@2.1.0
  - @xnetjs/core@2.1.0
## @xnetjs/abuse@2.1.0

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de)]:
  - @xnetjs/identity@2.1.0
  - @xnetjs/crypto@2.1.0
## @xnetjs/crypto@2.1.0

### Patch Changes

- Updated dependencies []:
  - @xnetjs/core@2.1.0
## @xnetjs/data-bridge@2.1.0

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de)]:
  - @xnetjs/data@2.1.0
  - @xnetjs/sync@2.1.0
  - @xnetjs/sqlite@2.1.0
  - @xnetjs/core@2.1.0
## @xnetjs/history@2.1.0

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de)]:
  - @xnetjs/data@2.1.0
  - @xnetjs/sync@2.1.0
  - @xnetjs/core@2.1.0
## @xnetjs/runtime@0.5.1

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de),
[`fa93e2f`](fa93e2f)]:
  - @xnetjs/data@2.1.0
  - @xnetjs/identity@2.1.0
  - @xnetjs/plugins@2.1.0
  - @xnetjs/data-bridge@2.1.0
  - @xnetjs/history@2.1.0
  - @xnetjs/sync@2.1.0
  - @xnetjs/storage@2.1.0
  - @xnetjs/crypto@2.1.0
  - @xnetjs/core@2.1.0
## @xnetjs/storage@2.1.0

### Patch Changes

- Updated dependencies []:
  - @xnetjs/sqlite@2.1.0
  - @xnetjs/crypto@2.1.0
  - @xnetjs/core@2.1.0
## @xnetjs/sync@2.1.0

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de)]:
  - @xnetjs/identity@2.1.0
  - @xnetjs/crypto@2.1.0
  - @xnetjs/core@2.1.0
## @xnetjs/core@2.1.0


## @xnetjs/sqlite@2.1.0


## xnet-cloud@0.0.19

### Patch Changes

- Updated dependencies []:
  - @xnetjs/telemetry@0.0.1
  - @xnetjs/crypto@2.1.0
  - @xnetjs/core@2.1.0
  - @xnetjs/cloud@0.0.1
## xnet-demos@0.1.3

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de),
[`5473a29`](5473a29)]:
  - @xnetjs/data@2.1.0
  - @xnetjs/identity@2.1.0
  - @xnetjs/react@2.1.0
  - @xnetjs/devtools@0.1.0
## @xnetjs/brain@0.0.20

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de)]:
  - @xnetjs/data@2.1.0
  - @xnetjs/vectors@0.0.1
## @xnetjs/comms@0.0.20

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de)]:
  - @xnetjs/data@2.1.0
  - @xnetjs/crypto@2.1.0
## @xnetjs/dashboard@0.0.20

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de),
[`5473a29`](5473a29),
[`fa93e2f`](fa93e2f)]:
  - @xnetjs/data@2.1.0
  - @xnetjs/plugins@2.1.0
  - @xnetjs/react@2.1.0
  - @xnetjs/social@0.0.20
## @xnetjs/labs@0.0.20

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de),
[`fa93e2f`](fa93e2f)]:
  - @xnetjs/data@2.1.0
  - @xnetjs/plugins@2.1.0
## @xnetjs/licenses@0.0.20

### Patch Changes

- Updated dependencies []:
  - @xnetjs/crypto@2.1.0
## @xnetjs/maps@0.0.20

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de)]:
  - @xnetjs/data@2.1.0
## @xnetjs/meetings@0.0.13

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de),
[`fa93e2f`](fa93e2f)]:
  - @xnetjs/data@2.1.0
  - @xnetjs/plugins@2.1.0
## @xnetjs/server@0.0.19

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de)]:
  - @xnetjs/data@2.1.0
  - @xnetjs/identity@2.1.0
  - @xnetjs/data-bridge@2.1.0
  - @xnetjs/crypto@2.1.0
## @xnetjs/social@0.0.20

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de)]:
  - @xnetjs/data@2.1.0
  - @xnetjs/crypto@2.1.0
## @xnetjs/unreal@0.0.20

### Patch Changes

- Updated dependencies
[[`0a4a1de`](0a4a1de)]:
  - @xnetjs/data@2.1.0
## xnet-desktop@2.1.0

Desktop shell release riding the @xnetjs/core 2.1.0 train.
Desktop-specific changes are not tracked here; see the core packages'
changelogs for what shipped.
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