feat: add created_at column to rollovers table

[joejohnson123]

What

Adds a created_at timestamp column to the rollovers table.

Changes

• rolloverTable.ts: Added created_at column as nullable timestamp with time zone with defaultNow() — existing rows will have NULL, new rows get auto-timestamped by Postgres
• rolloverUtils.ts: Set created_at: new Date() when constructing new rollovers in getRolloverUpdates
• Test fixtures: Updated rollover fixture factory to include created_at

Notes

• The column is nullable so existing data is unaffected
• SQL DEFAULT NOW() means even if application code doesn't pass created_at, the DB will set it
• Rollovers created via spread (...curRollover) in applyExistingRollovers.ts and getNewProductRollovers.ts will carry over the original created_at (or undefined → DB default)
• You'll need to run drizzle-kit generate + drizzle-kit migrate to apply the migration

---

Summary by cubic

Add a created_at timestamp to rollovers to track when each rollover was created. Existing rows stay unchanged; new rows are auto-stamped by Postgres.

• New Features

  • Schema: created_at timestamp with timezone, nullable, default NOW(); Zod field is nullable/optional; format matches our standard.
  • App: set created_at when building new rollovers.
  • Tests: fixture factory includes createdAt.

• Migration

  • Run: drizzle-kit generate && drizzle-kit migrate.

^{Written for commit 26d426d. Summary will update on new commits.}

Greptile Summary

Added a created_at timestamp column to the rollovers table for tracking when rollovers are created. The column is nullable to maintain backward compatibility with existing data and has a database default of NOW() to ensure new rows are automatically timestamped.

Key Changes:

• [Improvements] Added created_at column to Drizzle table schema with defaultNow() and timezone support
• [Improvements] Added created_at field to Zod schema as nullable and optional to match database behavior
• [Improvements] Set created_at: new Date() when creating new rollovers in application code
• [Improvements] Updated test fixtures to include createdAt parameter for consistency

The implementation correctly handles edge cases: existing rollovers retain NULL, newly created rollovers get timestamped by application code, and rollovers migrated via spread operations preserve their original timestamps or fall back to the database default.

Confidence Score: 5/5

• This PR is safe to merge with no identified issues
• The implementation is clean, well-thought-out, and backward compatible. The nullable column with database default ensures existing data is unaffected, while new rollovers are properly timestamped. All code paths that create rollovers are correctly handled.
• No files require special attention

Important Files Changed

Filename	Overview
shared/models/cusProductModels/cusEntModels/rolloverModels/rolloverTable.ts	Added created_at timestamp column to Drizzle schema and Zod schema - nullable with DB default, properly typed
server/src/internal/customers/cusProducts/cusEnts/cusRollovers/rolloverUtils.ts	Set created_at: new Date() when constructing new rollovers in getRolloverUpdates function
server/tests/utils/fixtures/db/rollovers.ts	Updated test fixture factory to include createdAt parameter with default value of new Date()

_{Last reviewed commit: 76d7a28}

_{(3/5) Reply to the agent's comments like "Can you suggest a fix for this @greptileai?" or ask follow-up questions!}

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Project	Deployment	Actions	Updated (UTC)
autumn-vite	Ready	Preview, Comment	Feb 26, 2026 1:53pm

[cubic-dev-ai]

No issues found across 3 files

Confidence score: 5/5

• Automated review surfaced no issues in the provided summaries.
• No files require special attention.