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fix(webxr): preserve connection errors and refresh PICO sessions - #1360
A failed CloudXR connection can leave the PICO browser unable to reconnect until the page is refreshed. The PICO 4 Ultra profile now defaults to refreshing after every session end, including connection failures; other profiles default to never refreshing. Manual refresh choices remain editable and persist through the Custom profile. Selecting Custom preserves current settings; selecting a named profile reapplies its defaults.
Save the full error message, including the hexadecimal code supplied by CloudXR, before refreshing and restore it in the same tab after reload. Clear it when streaming connects successfully. Error-triggered refresh now runs from the error callback so the preceding status callback cannot reload before the code is saved. Restoring an error does not trigger another refresh. Session errors retain banner priority over asynchronous capability notices and status cleanup until a stream connects successfully.
Update CloudXR troubleshooting and the teleop Quick Start with the defaults and retry behavior.
Validation:
All 134 Jest tests pass, including localhost WebSocket integration tests and profile defaults and Custom/reload behavior, plus hook persistence, unavailable storage, and asynchronous startup notice regressions.
Production webpack build passes with asset-size warnings.
ESLint and all pre-commit hooks pass.
Full TypeScript checking remains blocked by errors in the unchanged XR recorder and its tests.
The strict Sphinx build remains blocked by duplicate example hyperlink targets in the unchanged ego_post_processing/egohand.rst; no diagnostics point to the edited docs.
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Walkthrough
The client now defaults to no automatic refresh for profiles without a specified mode. PICO 4 Ultra defaults to refreshing after any session end, while Quest 3 uses no automatic refresh. The client stores the latest connection error across page refreshes and clears it after a successful connection. The UI saves auto-refresh choices with the selected profile, and the documentation describes retry and error behavior.
sequenceDiagram
participant CloudXR
participant App
participant sessionError
participant sessionStorage
participant Browser
CloudXR->>App: onError(message)
App->>sessionError: saveError(message)
sessionError->>sessionStorage: store error
App->>Browser: reload when mode is any
App->>sessionError: readSessionError on initialization
sessionError->>sessionStorage: read stored error
CloudXR->>App: Connected status
App->>sessionError: clear error
sessionError->>sessionStorage: remove stored error
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Possibly related PRs
NVIDIA/IsaacCapture#1348: Redirects the getting-started quick-start page to the teleoperation quick-start page updated by this PR.
Merge Risk: Moderate · previous review e51c0
After an automatic refresh on PICO 4 Ultra, the saved connection error can be replaced by the capability-check success message, so users may not see the error code the change is meant to keep visible. Selecting the Custom profile also resets the refresh choice. Fix the error-visibility problem before merging; the Custom profile issue is minor.
Pre-merge checks: 4 · 1
Failed checks: 1 warning
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Resolution
Docstring Coverage
Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Documentation-only edits and deletions within survi…
Write docstrings for the functions missing them to satisfy the coverage threshold.
Passed checks: 4 passed
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Description Check
Check skipped - CodeRabbit’s high-level summary is enabled.
Title check
The title "fix(webxr): preserve connection errors and refresh PICO sessions" matches the main change. The PR saves the full CloudXR error across refreshes and changes auto-refresh defaults, with PICO …
Linked Issues check
Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check
Check skipped because no linked issues were found for this pull request.
Full details: Title check
Explanation
The title "fix(webxr): preserve connection errors and refresh PICO sessions" matches the main change. The PR saves the full CloudXR error across refreshes and changes auto-refresh defaults, with PICO 4 Ultra refreshing after session end. The title is specific, concise, and follows a conventional-commit style. It does not mention the docs or test updates, which is acceptable.
Full details: Docstring Coverage
Explanation
Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 3 functions across 6 files. (4 skipped: 4 unsupported.)
Resolution
Write docstrings for the functions missing them to satisfy the coverage threshold.
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Actionable comments posted: 2
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Inline comments:
Review comments at @deps/cloudxr/webxr_client/src/App.tsx:
- Line 213: Update the capability-success status flow in checkCapabilitiesOnce
so cloudXR2DUI.showStatus does not replace a restored error from
readSessionError before a stream connects; prioritize the restored error or
display the capability message separately.
Review comments at @deps/cloudxr/webxr_client/src/CloudXR2DUI.tsx:
- Line 1197: Update applyDeviceProfileToForm so it applies
profile.autoRefreshMode only for a named profile; when the user selects Custom,
preserve the current autoRefreshMode selection instead of defaulting it to
never.
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The PR adds PICO refresh defaults and error persistence. One issue prevents restored errors from remaining visible. All 122 client tests and pre-commit hooks pass; headset behavior was not tested.
App.tsx:213 — Startup capability checks overwrite the restored error. After reload, the error-display effect restores the saved message, but the asynchronous capability check then replaces the same banner with “CloudXR.js SDK is supported.” or a performance notice. Since errorMessage remains unchanged, its effect does not restore the error again. Reproduced using the production effects and UI methods. Preserve the error’s display priority until a stream connects successfully.
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Actionables (copy-paste-ready for implementation agents)
Validate these suggestions in context before applying them. Skip anything already addressed, incorrect, or not worth the churn.
deps/cloudxr/webxr_client/src/App.tsx:213 — Prevent startup capability notices from replacing a restored session error. Add coverage that restores an error, completes the asynchronous capability check, and verifies the full error remains visible until successful connection.
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A failed CloudXR connection can leave the PICO browser unable to reconnect until the page is refreshed. The PICO 4 Ultra profile now defaults to refreshing after every session end, including connection failures; other profiles default to never refreshing. Manual refresh choices remain editable and persist through the Custom profile. Selecting Custom preserves current settings; selecting a named profile reapplies its defaults.
Save the full error message, including the hexadecimal code supplied by CloudXR, before refreshing and restore it in the same tab after reload. Clear it when streaming connects successfully. Error-triggered refresh now runs from the error callback so the preceding status callback cannot reload before the code is saved. Restoring an error does not trigger another refresh. Session errors retain banner priority over asynchronous capability notices and status cleanup until a stream connects successfully.
Update CloudXR troubleshooting and the teleop Quick Start with the defaults and retry behavior.
Validation:
examplehyperlink targets in the unchangedego_post_processing/egohand.rst; no diagnostics point to the edited docs.