sse + ocr replanish

backend/internal/db/queries/ocr_jobs.sql

@@ -0,0 +1,22 @@
+-- name: CreateOCRJob :one
+INSERT INTO ocr_jobs (resource_id, file_path, status)
+VALUES ($1, $2, 'pending')
+RETURNING *;
+
+-- name: GetOCRJob :one
+SELECT * FROM ocr_jobs
+WHERE id = $1 LIMIT 1;
+
+-- name: ListPendingOCRJobs :many
+SELECT * FROM ocr_jobs
+WHERE status = 'pending'
+ORDER BY created_at ASC;
+
+-- name: UpdateOCRJobStatus :exec
+UPDATE ocr_jobs
+SET status = $1, error_message = $2, updated_at = CURRENT_TIMESTAMP
+WHERE id = $3;
+
+-- name: DeleteOCRJob :exec
+DELETE FROM ocr_jobs
+WHERE id = $1;