CSV Conversion

[YousefHadder]

Parent: #78 (Phase 3)
Epic: #75

Description

Convert between markdown tables and CSV format.

Requirements

• Convert table to CSV with <leader>t>
• Convert CSV to table with <leader>t<
• Handle quoted fields
• Handle escaped characters
• Handle commas in content

Implementation

Files to create:

• lua/markdown-plus/table/conversion.lua

Functions:

• table_to_csv() - Export as CSV
• csv_to_table() - Import from CSV
• escape_csv_field() - Handle special chars
• parse_csv_line() - Parse CSV with quotes

Test Cases

• Convert simple table to CSV
• Convert CSV with quotes to table
• Convert CSV with commas in fields
• Handle escaped quotes
• Handle empty fields
• Round-trip conversion

Acceptance Criteria

• Conversion works both directions
• Handles special characters
• Preserves data integrity
• Tests pass with 80%+ coverage

[YousefHadder]

Resolved by: #114