[Moritz Potthoff (MoritzPotthoffQC)]

Motivation

Some portions of the docs and skill are outdated.

Changes

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (7f68841) to head (17bd7de).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #424   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           46        46           
  Lines         2587      2587           
=========================================
  Hits          2587      2587           

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[Copilot]

🟡 Changes recommended

The quickstart example fails with a NameError because Polars is not imported before use, and the skill guidance incorrectly suggests that Collection.is_valid supports lazy=True.

2 open issues

• Import Polars before using pl in the schema example · New
• Clarify that Collection.is_valid does not support lazy=True · New

What changed in this PR

This documentation-only PR updates Dataframely’s usage skill and guides to reflect the current public API.

Changes:

• Clarifies lazy validation, uniqueness constraints, column descriptions, and collection sampling.
• Corrects examples, error output, and documentation links.
• Expands API reference coverage for existing public methods and classes.

File	Description
skills/​SKILL.md	Updates validation, collection, and sampling guidance.
docs/​guides/​quickstart.md	Adds a grouped rule example and updates API usage.
docs/​guides/​migration/​v1-v2.md	Replaces scan-method cross-references with inline code.
docs/​guides/​features/​sql-generation.md	Clarifies SQL constraints and corrects table creation.
docs/​guides/​features/​primary-keys.md	Documents independent column uniqueness.
docs/​guides/​features/​lazy-validation.md	Explains current schema and collection lazy behavior.
docs/​guides/​features/​data-generation.md	Corrects sampling guidance and collection examples.
docs/​guides/​features/​column-metadata.md	Documents the column description parameter.
docs/​guides/​faq.md	Updates uniqueness guidance and fixes a section link.
docs/​guides/​examples/​real-world.ipynb	Refreshes recorded outputs and validation errors.
docs/​conf.py	Removes the obsolete group-rules warning exception.
docs/​api/​schema/​conversion.rst	Adds Schema.to_pydantic_model to the reference.
docs/​api/​misc/​index.rst	Adds CollectionMember to the reference.
docs/​api/​filter_result/​failure_info.rst	Adds FailureInfo.details to the reference.
docs/​api/​columns/​index.rst	Adds the base Column class to the reference.
docs/​api/​collection/​metadata.rst	Adds eager and lazy member inspection methods.

_{Review effort: Balanced}

[Copilot]

🟢 Approval recommended

No active review issues are reported for the documentation and skill-guidance updates.

No open issues 🎉

2 resolved since last review

• Import Polars before using pl in the schema example
• Clarify that Collection.is_valid does not support lazy=True

_{Review effort: Balanced}