[29.x] [Expense Agent] Remove migration TODO and analyzer suppressions

[Prangshuman Das (t-prda)]

Summary

• backport [Expense Agent] Remove migration TODO and analyzer suppressions #11682 to releases/29.x
• remove the stale Expense Agent annotation TODO while preserving the intentionally empty annotation result
• remove obsolete analyzer suppressions and use compliant temporary-record variable names

Validation

• deterministic routing confirmed this is a BCApps-only change
• stable patch ID matches the approved source PR exactly
• source PR checks are green, including W1 default and clean app builds
• no runtime tests are required because the change is behavior-neutral

Backport of #11682.

Fixes AB#644961

[alexei-dobriansky]

Good Sense Reviewer - Round 1

Recommendation: Accept

What this PR does

This change removes a stale placeholder comment left over from an earlier migration, removes two file-wide analyzer suppressions that are no longer needed, and renames a local temporary-record variable to follow the project's naming convention for temporary records. None of this changes runtime behavior - it only cleans up leftover migration debt and naming.

Problem-solution fit

Fit: Strong

The change matches the described cleanup exactly: the placeholder comment is gone, both suppressions are removed, and the one variable that needed a rename to satisfy the suppressed rules was renamed consistently everywhere it is used. The same temporary-record type already uses this naming convention elsewhere in the app, so this brings the file in line with the rest of the codebase.

Risk assessment and necessity

Risk: Low. Removing a comment and two naming-convention suppressions, and renaming a local variable consistently throughout its own procedure scope, does not change program behavior. The rename covers every use of the old name in the changed file, so nothing is left dangling.

Necessity: The change is needed to finish cleanup that was intentionally deferred during an earlier migration, and it is scoped tightly to that cleanup with no unrelated changes.

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[AI-PR-REVIEW] version=1 promptVersion=4 system=github pr=11743 round=1 by=alexei-dobriansky at=2026-09-22T19:41:20Z lastSha=a7d6cf6bd7ec678e3111aabd00b8ace89a2e3a0b reviewKey=0c59b178c6ccd1adae92c26d929152cd2578fce0f50f00f35e950d0c5f457ee3