Thank you for your response.
In general, these agreements must be in writing to be enforceable pursuant to the statute of frauds. However, there are some exceptions and one exception is partial performance, which is what you are alleging here. Since you have performed and incurred expenses and costs and thus have damages, you could seek to hold her liable for paying for your share of the work invested into her project. You need to send her a letter and inform her she has breached your oral agreement upon which partial performances have been already rendered in reliance on her promise to perform and complete her performance. Tell her that if she refuses to comply and complete the agreement you will be forced to consider legal action against her for damages.
If she still refuses, then legally based on your agreement you would be able to pursue her in court for breach of contract and seek damages and at that point you need to get a local attorney to make her know you are serious and to also file suit against her for the damages she has caused in her refusing to complete her agreement with you.
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