Adds an 'ecosystem' field to opportunities, enabling filtering on the OpportunitiesHub page and inclusion in the OpportunityPostForm. Also resolves a navigation import error in OpportunitiesHub.tsx.
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Introduce Bearer token authentication for the /api/profile/update endpoint, ensuring users can only modify their own profiles. Update the Dashboard to include the authentication token in all API requests, enhancing security and data integrity.
Replit-Commit-Author: Agent
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Refactors API base URL handling, modifies toast notification parameters from `message` to `description`, and introduces new UI components and logic for managing realm preferences in the Dashboard and creating creator profiles in the Creator Directory.
Replit-Commit-Author: Agent
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