Update OpenAPI schema

[dotto-api-schema-updater]

This PR updates the OpenAPI schema from dotto-typespec.

Triggered by: fun-dotto/dotto-typespec@992af91

[hikaru-0602]

OK

[Copilot]

Pull request overview

This PR updates the repository’s OpenAPI schema (and regenerated Go server/client types) to match the latest dotto-typespec, expanding the API surface from “Subject Service” to a broader “Academic Service”.

Changes:

• Updated openapi/openapi.yaml with new resources/endpoints (faculties, rooms, reservations, course registrations, timetable items) and schema adjustments.
• Regenerated generated/api.gen.go to include new models, routes, params, and strict handler interfaces/wrappers.
• Added new handler method stubs in internal/handler/* and updated converter.go for schema changes (SubjectFaculty + dsopSubject).

Reviewed changes

Copilot reviewed 19 out of 20 changed files in this pull request and generated 19 comments.

Show a summary per file

File	Description
openapi/openapi.yaml	Adds new endpoints/schemas and updates service metadata/servers.
generated/api.gen.go	Regenerated OpenAPI bindings for new endpoints/models (Gin + strict wrappers).
internal/handler/converter.go	Updates domain→API conversions to match updated schemas.
internal/handler/course_registration_list.go	Adds stub handler for new CourseRegistrations list endpoint.
internal/handler/course_registration_create.go	Adds stub handler for new CourseRegistrations create endpoint.
internal/handler/course_registration_delete.go	Adds stub handler for new CourseRegistrations delete endpoint.
internal/handler/faculty_list.go	Adds stub handler for new Faculties list endpoint.
internal/handler/faculty_create.go	Adds stub handler for new Faculties create endpoint.
internal/handler/faculty_delete.go	Adds stub handler for new Faculties delete endpoint.
internal/handler/faculty_detail.go	Adds stub handler for new Faculties detail endpoint.
internal/handler/faculty_update.go	Adds stub handler for new Faculties update endpoint.
internal/handler/room_list.go	Adds stub handler for new Rooms list endpoint.
internal/handler/room_create.go	Adds stub handler for new Rooms create endpoint.
internal/handler/room_delete.go	Adds stub handler for new Rooms delete endpoint.
internal/handler/room_detail.go	Adds stub handler for new Rooms detail endpoint.
internal/handler/room_update.go	Adds stub handler for new Rooms update endpoint.
internal/handler/reservation_list.go	Adds stub handler for new Reservations list endpoint.
internal/handler/timetable_item_list.go	Adds stub handler for new TimetableItems list endpoint.
internal/handler/timetable_item_create.go	Adds stub handler for new TimetableItems create endpoint.
internal/handler/timetable_item_delete.go	Adds stub handler for new TimetableItems delete endpoint.

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