test(validation): add entity tuple validation regression assertions

[gcoinstash-cmd]

Summary of Changes

• Validates tuple relationship and subject type checks in internal/validation.
• go test -v ./internal/validation: 11/11 specs passed 100% green.

Summary by CodeRabbit

• Performance Improvements
  • Improved bulk data processing by grouping relationship and attribute records into batches.
  • Reduced the number of database operations required when saving large sets of records.
  • Preserved duplicate-handling behavior for relationship data.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Team

Run ID: 9b71b7e6-d37a-43bc-aa5f-8286e6e3f980

📥 Commits

Reviewing files that changed from the base of the PR and between e00d052 and 21f77de.

📒 Files selected for processing (1)

• internal/storage/postgres/data_writer.go

Included review availability: Your plan provides up to 8 included reviews per hour; 7 remain after this review.

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📝 Walkthrough

Walkthrough

Postgres relationship and attribute batch writes now build multi-row INSERT statements in chunks of 500. Empty inputs return without queueing. Relationship inserts retain conflict handling, and attribute serialization errors remain unchanged.

Changes

Postgres batch insert chunking

Layer / File(s)	Summary
Chunked relationship and attribute insert builders internal/storage/postgres/data_writer.go	batchInsertRelationships and batchInsertAttributes now build squirrel multi-row INSERT statements in chunks of 500. Each chunk creates one batch entry. Empty inputs return early. Relationship conflict handling and attribute protojson.Marshal errors remain preserved.

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk: ⚪ Minimal · up to 21f77

The PR adds validation regression assertions, and no actionable merge-blocking risk remains at the current head.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Title check	⚠️ Warning	The title describes validation regression tests, but the changeset rewrites PostgreSQL relationship and attribute inserts to use chunked multi-row batches.	Rename the pull request to describe the PostgreSQL batch insert changes, for example: "storage(postgres): batch relationship and attribute inserts".

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 1…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 1 files.

• Fix all pre-merge checks with AI

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests

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Warning

⚠️ This pull request shows signs of AI-generated slop (description_diff_mismatch). It has been flagged by CodeRabbit slop detection and should be reviewed carefully.