docs: update test counts and remove stale analysis docs

[grdumas]

Summary

Documentation cleanup from project audit.

Changes

• Updated README test counts to reflect current state (327 total: 248 unit, 25 integration)
• Removed completed validation document (VALIDATION_UPERF_RPOPC-1275.md)
• Deleted stale schema-v2-migration branch (migration completed and merged)

Test Plan

• README changes are documentation only
• Verified current test counts with pytest --collect-only

Generated with Claude Code

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Enterprise

Run ID: 644612c3-d41b-4674-80a5-7a661ceb0a5a

📥 Commits

Reviewing files that changed from the base of the PR and between e2b25ca and 3794b27.

📒 Files selected for processing (2)

• README.md
• VALIDATION_UPERF_RPOPC-1275.md

💤 Files with no reviewable changes (1)

• VALIDATION_UPERF_RPOPC-1275.md

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📝 Walkthrough

Summary by CodeRabbit

• Documentation
  • Updated the test-running instructions to reflect the latest test suite counts.
• Chores
  • Removed a validation report document and its recorded metrics.

Walkthrough

This PR updates README.md's test running instructions to reflect new test suite counts (full suite, unit, and integration), and removes the obsolete VALIDATION_UPERF_RPOPC-1275.md validation report file in its entirety.

Changes

Documentation maintenance

Layer / File(s)	Summary
Update test count documentation README.md	Updated "Running tests" commands with new expected test counts: full suite (209→327), unit (178→248), integration (20→25).
Remove obsolete validation report VALIDATION_UPERF_RPOPC-1275.md	Deleted the validation summary file, including test data reference, metrics, and PASS statement.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the documentation cleanup, test count updates, and removal of stale analysis docs.
Description check	✅ Passed	The description matches the changeset and clearly describes the README update and document removal.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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.

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[grdumas]

PR Review: docs: update test counts and remove stale analysis docs

Summary

This PR updates the test counts in the README to reflect the current state of the test suite and removes a stale validation document. The changes are documentation-only and safely remove clutter.

Critical Issues (MUST FIX)

None found.

Major Issues (SHOULD FIX)

None found.

Minor Issues (NICE TO HAVE)

None found.

Positive Notes

• Updating test counts helps maintain accurate onboarding documentation.
• Removing stale validation documents keeps the repository clean.

Overall Assessment

• Status: APPROVE
• Reasoning: The changes are strictly documentation updates and safe to merge.
• Next Steps: Merge the PR.

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Reviewed by: Gemini 3.1 Pro via automated code review