feat: add breadcrumb support for crash reporting #307
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- Add Breadcrumb struct with message, category, level, data, timestamp - Add recordBreadcrumb and getBreadcrumbs to TrackRepository2 protocol - Implement breadcrumb buffering (max 50 entries) in TrackRespositoryImpl - Include breadcrumbs when sending Flutter crash reports - Add recordBreadcrumb to Container protocol and implementations - Expose recordBreadcrumb via @_spi(FlutterBridge) in NubrickExperiment 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <[email protected]>
4 tasks
- Add BreadcrumbCategory enum (navigation, ui, http, console, custom) - Add BreadcrumbLevel enum (debug, info, warning, error, fatal) - Update Breadcrumb struct to use enums instead of strings - Add Flutter Bridge compatible recordBreadcrumb overload for string-based data 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <[email protected]>
Explain expected data structure from Flutter's method channel with inline comments for each type cast. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <[email protected]>
- Change Breadcrumb, BreadcrumbCategory, BreadcrumbLevel to Codable - Persist breadcrumbs to UserDefaults on each record - Load persisted breadcrumbs in processMetricKitCrash - Clear persisted breadcrumbs after loading (one-time use) This enables breadcrumbs to be included in native iOS crash reports delivered by MetricKit in the next app session. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <[email protected]>
- Remove @_spi(FlutterBridge) from BreadcrumbCategory, BreadcrumbLevel, Breadcrumb - Remove Flutter Bridge recordBreadcrumb(Dictionary) overload - Keep only typed recordBreadcrumb(Breadcrumb) for iOS SDK users Flutter Bridge support will be added in a separate PR. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <[email protected]>
- MetricKit crashes: use persisted breadcrumbs (previous session) - Flutter crashes: use in-memory breadcrumbs (same session, immediate send) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <[email protected]>
- Add default timestamp to Breadcrumb initializer - Record navigation breadcrumb in trackExperimentEvent - Add doc comment explaining trackExperimentEvent purpose 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <[email protected]>
Record breadcrumbs when navigating between pages within experiments: - Modal page navigation (with from/to page IDs) - Embedded page navigation (with from/to page IDs) - Tooltip page navigation (with from/to page IDs) - WebView modal page navigation (with from/to page IDs) - Modal/Embedded dismissed (with from page ID) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <[email protected]>
t-jimbo
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Jan 9, 2026
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t-jimbo
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- currentPageのreset
- .navigation or .ui
- flutterとiosのbreadcrumbsの使い分け
- 非同期処理にする？
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Summary
Breadcrumbstruct with message, category, level, data, timestamprecordBreadcrumb()andgetBreadcrumbs()toTrackRepository2protocolTrackRespositoryImplsendFlutterCrash()recordBreadcrumb()via@_spi(FlutterBridge)inNubrickExperimentUsage (from Flutter Bridge)
Related PRs
Test plan
recordBreadcrumb()stores breadcrumbs correctly🤖 Generated with Claude Code