refactor tableutils into its own module catalog

[tchow-zlai]

Summary

• Creates a catalog module to replace the format one we had.
• Add a new bazel lib target for the catalog module
• Move TableUtils there, it should live alongside the formatprovider stuff.
• Rename imports
• Followup is to remove the dependency on the main spark lib. This requires decoupling with Extensions. Then we can drastically slim the deps down in cloud gcp.

Checklist

• Added Unit Tests
• Covered by existing CI
• Integration tested
• Documentation update

[coderabbitai]

Walkthrough

This change reorganizes the codebase by moving TableUtils, Format, FormatProvider, DefaultFormatProvider, Iceberg, and related classes from their original packages (such as ai.chronon.spark and ai.chronon.spark.format) into a new subpackage, ai.chronon.spark.catalog. All import statements throughout the project are updated to reference this new package structure. No functional code logic, control flow, or error handling is altered; only import paths and package declarations are changed to reflect this restructuring. Additionally, Bazel build files are updated to include the new catalog library.

Changes

Files/Paths	Change Summary
spark/src/main/scala/ai/chronon/spark/catalog/*.scala	Changed package declarations from ai.chronon.spark.format or ai.chronon.spark to ai.chronon.spark.catalog.
spark/src/main/scala/ai/chronon/spark/*.scala	Updated imports for TableUtils, Format, etc., to use ai.chronon.spark.catalog.
spark/src/main/scala/ai/chronon/spark/batch/*.scala	Updated imports for TableUtils to ai.chronon.spark.catalog.TableUtils.
spark/src/main/scala/ai/chronon/spark/stats/*, .../drift/*.scala	Updated imports for TableUtils to ai.chronon.spark.catalog.TableUtils.
spark/src/main/scala/ai/chronon/spark/interactive/LocalWarehouse.scala	Updated import for TableUtils.
spark/src/main/scala/ai/chronon/spark/utils/*.scala	Updated import for TableUtils.
spark/src/main/scala/ai/chronon/spark/scripts/*.scala	Updated import for TableUtils.
spark/src/main/scala/ai/chronon/spark/streaming/JoinSourceRunner.scala	Split imports: GenericRowHandler from ai.chronon.spark, TableUtils from ai.chronon.spark.catalog.
cloud_aws/src/test/scala/ai/chronon/integrations/aws/*.scala	Updated import for TableUtils.
cloud_gcp/src/main/scala/ai/chronon/integrations/cloud_gcp/*.scala	Updated imports for TableUtils, Format, FormatProvider, etc., to ai.chronon.spark.catalog.
cloud_gcp/src/test/scala/ai/chronon/integrations/cloud_gcp/*.scala	Updated imports for TableUtils, FormatProvider, Iceberg to new package.
spark/src/test/scala/ai/chronon/spark/test/**/*.scala, *.java	Updated imports for TableUtils, FormatProvider, etc., to ai.chronon.spark.catalog.
spark/BUILD.bazel	Added new scala_library target catalog_lib for ai.chronon.spark.catalog sources and dependencies.

Sequence Diagram(s)

sequenceDiagram
    participant UserCode
    participant CatalogLib
    participant TableUtils

    UserCode->>CatalogLib: import ai.chronon.spark.catalog.TableUtils
    CatalogLib->>TableUtils: Provide table utility methods
    UserCode->>TableUtils: Call utility methods as before

Loading

Possibly related PRs

• HOTFIX: Logging config programatically #202: Refactors and enhances TableUtils methods and error handling; directly related as this PR moves TableUtils to a new package.
• chore: remove caching and repartitioning feature #539: Modifies TableUtils.insertPartitions and removes repartitioning; related as both PRs update the same class.
• chore: replace instances of spark.table with tableUtils.loadTable #489: Refactors usage to call tableUtils.loadTable instead of direct spark.table; related through shared focus on TableUtils.

Suggested reviewers

• varant-zlai
• piyush-zlai
• nikhil-zlai
• david-zlai

Poem

In catalog halls, the utils now dwell,
Imports realigned, all is well.
No logic disturbed, just paths anew,
Bazel knows what to do!
From format to catalog, the journey’s complete,
Code rabbits rejoice—refactor is neat!
🐇✨

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[tchow-zlai]

adding a new catalog module.