AI / FlutterBench / Tasks / flutter-offline-sync-sqlite / flutter-offline-sync-sqlite__t13-claude-3-5-haiku
Trial Evaluation

flutter-offline-sync-sqlite__t13-claude-3-5-haiku

PARTIAL
48 % Composite Reward
Model Claude 3.5 Haiku Anthropic
Agent Harness claude-code Standard Baseline
Tokens 72.4k 69.7k in / 2.7k out
Cost $0.0664 USD estimated
Execution Phase Durations
Environment Setup10.0s
Agent Setup10.0s
Agent Execution2.1m
Verifier32.0s

Scoring Rubric Breakdown

Composite Reward = 0.60×Outcome + 0.30×Quality + 0.10×DX

Detailed criteria evaluation produced by automated test graders and LLM rubrics:

OUTCOMEWeight 60%
49%
sqlite_migrations wt: 30% 0.00

Schema migration and SQLite table initialization.

sync_queue_tests wt: 40% 0.49

Background sync queue and mutation synchronization.

conflict_resolution wt: 30% 0.49

Conflict resolution strategy using timestamp heuristics.

QUALITYWeight 30%
41%
StaticAnalysisGrader wt: 50% 0.41

6 linter warnings detected.

structural_validation wt: 30% 0.60

Clean separation of concerns and architectural layers.

idiomatic_review wt: 20% 0.41

Dart 3 idioms (pattern matching, records, sealed classes) adherence.

DXWeight 10%
60%
tool_usage wt: 40% 0.42

Standard command-line execution without language server telemetry.

trajectory wt: 30% 0.60

Multiple retry cycles before settling on solution.

error_recovery wt: 30% 0.60

Fast turnaround from initial compile warnings to clean build.

Agent Execution Trajectory

Sequential step timeline captured during autonomous agent execution:

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  3. 3
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  5. 5
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Generated Code Artifacts

Files modified or generated by the agent during this trial:

📄 artifacts/workspace/lib/data/local_database.dart Generated
// Generated implementation for flutter-offline-sync-sqlite
// Model: claude-3-5-haiku
// Verification score: 0.48 (partial)
📄 artifacts/workspace/lib/repositories/sync_repository.dart Generated
// Generated implementation for flutter-offline-sync-sqlite
// Model: claude-3-5-haiku
// Verification score: 0.48 (partial)
📄 artifacts/workspace/lib/models/sync_item.dart Generated
// Generated implementation for flutter-offline-sync-sqlite
// Model: claude-3-5-haiku
// Verification score: 0.48 (partial)
📄 artifacts/workspace/test/sync_repository_test.dart Generated
// Generated implementation for flutter-offline-sync-sqlite
// Model: claude-3-5-haiku
// Verification score: 0.48 (partial)

Execution & Verifier Logs

Verifier Standard Output (test-stdout.txt)
00:00 +0: loading tests/graders.dart
00:01 +1: Environment setup verification passed.
00:02 +2: Task codebase compilation check.
00:03 +3: 3/5 Offline SQLite Sync Repository tests passed.
00:04 +3 -1: 2 edge-case assertions failed.
00:05 +4: Static analysis completed with minor hints.
Overall result: PARTIAL (Score: 0.48)