If you or someone you know is considering suicide, please call the National Suicide Prevention Lifeline: 1-800-273-TALK (8255). At the park near Duboce Triangle in San Francisco, 5 p.m. is canine happy hour. About 40 dogs run around, chasing balls and wrestling, as their owners coo and ’90s hip-hop bumps out of a portable speaker. One recent afternoon, a Chihuahua mix named Honey lounged on a bench wearing a blue tutu and a string of pearls. Her owner, Diana McAllister, fed her homemade treats from a zip-close bag, then popped one into her own mouth. After spending two years at home through th…