💬 Implement Comment Feature

[sensasi-delight]

Enable users to comment on posts, allowing discussion and feedback within the community.
This feature should support threaded replies (optional for v1) and contribute to engagement metrics used in Leaderboard.

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✅ Tasks

• Database / Logic

  • Create Comment model linked to Post and User.
  • Support nested/threaded comments (optional for first release).
  • Track timestamps (createdAt, updatedAt).

• UI/UX

  • Add comment section below each post.
  • Input field for writing comments (authenticated users only).
  • Show list of comments with user info, time, and content.
  • (Optional) Show reply button for threaded discussions.

• Fullstack Implementation

  • Implement server actions for creating and deleting comments.
  • Integrate comment count into post preview cards.
  • Ensure only authors of a comment or moderators can delete.

• Testing & QA

  • Unit tests for comment creation/deletion.
  • Integration tests for post + comment display.
  • UI tests for writing and deleting comments.

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🏁 Acceptance Criteria

• Authenticated users can comment on posts.
• Comments are displayed with author info and time.
• Comment count is visible on each post.
• Moderators can remove inappropriate comments.
• (Optional) Nested comments are supported for deeper discussions.