Results

Before  ████████████████████████████████████████  214969
After   █████████████████████████████████████     197299
Saved   ███                                         17670

The measured saving comes from a representative noisy pnpm test fixture. Runtime validation also covered npm and Python test execution.

Created with Autoresearch.

Problem

Test output can spend substantial agent context on repetitive passing lines, hiding the failure or summary that matters.

The safety contract is strict:

flowchart LR
    A[Original command] --> B{Verified test form?}
    B -->|No| C[Run unchanged]
    B -->|Yes| D{Compatible RTK?}
    D -->|No| C
    D -->|Yes| E[Filter repetitive test output]
    E --> F[Preserve summary, failure, and exit code]

Methodology

Only test ecosystems exercised locally are eligible:

flowchart TD
    C[Candidate command] --> S{Single bare command?}
    S -->|No| RAW[Run unchanged]
    S -->|Yes| T{Supported test form?}
    T -->|No| RAW
    T -->|Yes| M{Machine-readable flags?}
    M -->|Yes| RAW
    M -->|No| R{Executable RTK 0.43.0+?}
    R -->|No| RAW
    R -->|Yes| O[Use RTK test filtering]

Changes

No PostHog-specific runtime commands or package names are included.

Verification

The research benchmark was run locally and is intentionally excluded from this PR.

Areas to watch

Automatic notifications

• Publish to changelog?
• Alert Sales and Marketing teams?

Created with PostHog Code