perf(cli): defer fastapi/uvicorn imports in cloud module#20440
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perf(cli): defer fastapi/uvicorn imports in cloud module#20440
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Move fastapi and uvicorn imports inside functions that actually use them, rather than importing at module load time. This saves ~65ms on CLI startup for commands that don't use browser-based login (which is most commands). 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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CodSpeed Performance ReportMerging this PR will not alter performanceComparing Summary
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Configuration file for python-cli-bench to measure CLI startup performance. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
Benchmark Results
Benchmarked in isolated CI environment (workflow run):
prefect --helpprefect --versionprefect versionNo regressions. Small but statistically significant improvements on startup commands.
Test plan
🤖 Generated with Claude Code