fix header · frontend-park-mail-ru/2025_2_FiveCode@40a62ae

Process completed with exit code 1.

'header_image_url' is never reassigned. Use 'const' instead

Missing semicolon

'handleError' is defined but never used

'app' is defined but never used

'user' is defined but never used

'trash' is assigned a value but never used

'trash' is assigned a value but never used

'e' is defined but never used

'data' is defined but never used

'blockId' is defined but never used

'event' is defined but never used

'msg' is defined but never used

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