v0.201.0

Feat

• deck: refuse startdate/color on Deck < 1.18
• deck: support card startdate and color (Deck 1.18)

Fix

• deck: surface malformed card color as ToolError
• deck: drop semicolons from card tool descriptions
• deck: reject non-hex card colors

Refactor

• deck: extract _isoformat for date carry-over (Sonar S3358)