DQ-421 | feat: add support for new data quality rule templates

[UdaySagar-Git]

✨ Description

adds support for new data quality rule templates

Linear links:

• https://linear.app/atlan-epd/issue/DQ-421/update-sdk-to-handle-reconciliation-rules
• https://linear.app/atlan-epd/issue/DQ-391/add-sdk-support-check-to-new-rule-checklist

docs pr: https://github.com/atlanhq/atlan-developer-portal/pull/507

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🧩 Type of change

Select all that apply:

• 🚀 New feature (non-breaking change that adds functionality)
• 🐛 Bug fix (non-breaking change that fixes an issue) — please include tests! Refer testing-toolkit 🧪
• 🔄 Refactor (code change that neither fixes a bug nor adds a feature)
• 🧹 Maintenance (chores, cleanup, minor improvements)
• 💥 Breaking change (fix or feature that may break existing functionality)
• 📦 Dependency upgrade/downgrade
• 📚 Documentation updates

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✅ How has this been tested? (e.g. screenshots, logs, workflow links)

Describe how the change was tested. Include:

• Steps to reproduce
• Any relevant screenshots, logs, or links to successful workflow runs
• Details on environment/setup if applicable

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📋 Checklist

• My code follows the project’s style guidelines
• I’ve performed a self-review of my code
• I’ve added comments in tricky or complex areas
• I’ve updated the documentation as needed
• There are no new warnings from my changes
• I’ve added tests to cover my changes
• All new and existing tests pass locally

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Note

Introduces typed DQ rule templates and expands rule creation/validation, plus cache and test updates.

• Switches rule APIs to DataQualityRuleTemplateType (vs strings) and reads template config via rule_type.value
• Adds support for reconciliation and reference conditions via DQRuleConditionsBuilder (IN_LIST_REFERENCE, ROW_COUNT_RECON, AVERAGE_RECON, SUM_RECON, DUPLICATE_COUNT_RECON, UNIQUE_COUNT_RECON); validates required fields and serializes to JSON
• Implements row-scope filtering support: _fetch_assets_for_row_scope_validation and _validate_template_features (checks template capabilities, allowed operators/conditions, presence of row-scope filter columns on base/target assets)
• Enhances creators/updater: optional threshold_compare_operator with template-driven defaults/validation, optional threshold_unit (default from template), rule_conditions, and custom_sql_return_type
• Adds enums DataQualityRuleTemplateType, extends DataQualityRuleTemplateConfigRuleConditions, and adds ABSOLUTE to DataQualityRuleThresholdUnit
• Updates DQ template config cache to key by template name (not display name); docstrings adjusted
• Tests updated to cover new enums, validation paths, row-scope helpers, reconciliation conditions, and custom SQL return type

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[Aryamanz29]

LGTM - @UdaySagar-Git let's make sure we manually test these changes on tenant? 🙏