Here's a summary of the interactions and plans made by the characters in this scenario:

1. Peter met with Andy and Leo for their AI project and suggested a meeting with Samantha at the library café next Wednesday at 1 PM.

2. Samantha, in the meantime, was meeting with Diego to discuss the new structure for their project and proposed meeting at the library café on the same day, at 1 PM, to discuss both projects.

3. Peter agreed to meet at the library café on Wednesday, and also suggested joining forces for the discussion.

4. Caroline and Leo are meeting at the park tomorrow at 2 PM to discuss Leo's musical project that could use Caroline's voice.

5. Andy and Samantha have a double date planned next Thursday, inviting Noor and possibly inviting Caroline too.

6. Mei plans to meet Caroline at her café on Friday at 1 PM to discuss community projects.

7. Diego's knee is feeling better, and he's ready to collaborate more on their musical project with Caroline.

8. Samantha feeds the strays in her free time.

9. Noor mentions that she was discussed with Peter about the AI project.

10. Leo's busking is going well.