Implement Investigation Notes System

[mijinummi]

🧠 Concept

Allow teams to record investigation findings.

⚠️ Problem

Security knowledge should be preserved.

📁 Implementation Scope

• src/modules/cases/notes/

✅ Requirements

• Create notes
• Edit notes
• Audit history

🎯 Acceptance Criteria

• Notes supported
• Changes tracked
• Access controlled

[amankoli09]

Can I work on this issue , PR merge within 1hr

[grantfox-oss]

🦊 GrantFox — @amankoli09 has been assigned to this issue as part of the Official Campaign campaign!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #127)
2. Your PR will be reviewed by the MD-Creative-Production maintainers

Good luck! Track your progress on GrantFox.

[grantfox-oss]

🎉 This issue has been marked as completed on GrantFox as part of the Official Campaign campaign!

@amankoli09's PR #177 was approved and merged by @mijinummi.

🏆 @amankoli09: You earned 35 FoxPoints for this contribution! Your current tier: Explorer (223 total points). Track your full progress on GrantFox.

👏 Great work, @amankoli09! Keep contributing to MD-Creative-Production.