CRITICAL: standardizer_declarations_core.f90 exceeds 1000-line hard limit (1941 lines)

[krystophny]

Summary

src/standardizers/standardizer_declarations_core.f90 violates CLAUDE.md hard limit (1941 lines > 1000 line maximum)

Details

• Current size: 1941 lines
• Hard limit: 1000 lines
• Soft limit: 500 lines
• Overage: 941 lines (94% over hard limit)

PR #1916 increased this file from 1733 → 1941 lines (+208 lines), worsening pre-existing violation.

CLAUDE.md Rule

Modules <500 lines (hard limit 1000)

Proposed Solution

Refactor standardizer_declarations_core.f90 into multiple modules:

• standardizer_declarations_insertion.f90 - declaration insertion logic
• standardizer_declarations_parsing.f90 - type string parsing
• standardizer_declarations_collection.f90 - variable collection
• standardizer_declarations_array.f90 - array dimension handling

Priority

BLOCKING - Prevents approval of PRs that worsen this violation