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Roadmap

MetricSpec starts with a small stable core: deterministic DuckDB fixture tests for business metric SQL, with clear diagnostics and CI-friendly output.

v0.1 Core

  • Contract YAML schema.
  • DuckDB fixture adapter for CSV, parquet, and SQL setup files.
  • Read-only SQL safety guard.
  • SQL-shape text checks.
  • Expected-row comparison with numeric tolerance and value diffs.
  • Human, JSON, and JUnit output.
  • metricspec init demo, validate, run, and explain.
  • Documentation, governance, CI, build, and trusted publishing workflow.

Next Good Issues

  • Add metricspec --version.
  • Add a metricspec doctor command for environment and package diagnostics.
  • Improve the generated demo test to assert created file contents.
  • Add richer examples for tolerances, extra columns, and SQL-shape checks.
  • Add release automation checks that fail when CHANGELOG.md misses the version.

Adapter Roadmap

  • dbt manifest or MetricFlow adapter discovery.
  • Postgres read-only adapter for trusted development databases.
  • BigQuery/Snowflake adapter prototypes behind explicit experimental flags.

Adapters should preserve the v1 rule: no hidden network calls, no telemetry, and no credential capture in contracts or diagnostics.

Diagnostics Roadmap

  • More compact row-diff summaries for large result sets.
  • Optional JSON schema for report output.
  • GitHub Actions summary renderer.
  • SQL parser-backed shape checks once a dependency is justified.

Non-Goals

  • Hosted dashboard.
  • Semantic layer replacement.
  • Always-on production monitoring.
  • Secret management system.