Integrate exports router into API

[shayancoin]

Summary

• add an exports router that wraps CNC endpoints behind the shared write token dependency
• mount the exports router on the API aggregate router and register it with the FastAPI app in place of the CNC router

Testing

• ❌ poetry run pytest tests/test_routes_quote_cnc.py (fails: AttributeError: 'property' object has no attribute 'schema')

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https://chatgpt.com/codex/tasks/task_e_68f72bf9d4448330bd680c8f95d004fc

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📥 Commits

Reviewing files that changed from the base of the PR and between 6009ef3 and fbe858d.

📒 Files selected for processing (3)

• backend/api/exports.py (1 hunks)
• backend/api/main.py (2 hunks)
• backend/api/routes.py (2 hunks)

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[chatgpt-codex-connector]

Avoid registering exports router twice with different prefixes

exports_router is included on the aggregate API router and again on the FastAPI app, even though it already wraps routes_cnc (whose path prefix is /api/cnc). The inclusion in backend/api/routes.py adds another /api prefix, so the same endpoint tree is mounted a second time at /api/api/cnc, which causes FastAPI’s schema generation to blow up with AttributeError: 'property' object has no attribute 'schema' and leaves duplicate paths exposed. Register the router in only one place or adjust prefixes so each export route is added once.

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