1. Place noodles in a large bowl. Cover with very hot tap water, and let stand 15 minutes.
2. While noodles soak, combine vinegar and next 4 ingredients (through sambal), stirring until sugar dissolves. Combine chicken and next 5 ingredients (through mint), tossing well.
3. Drain and rinse noodles with cold water; drain well, squeezing to remove excess water. Snip noodles several times with kitchen shears. Combine noodles and chicken mixture, tossing well to combine. Drizzle noodle mixture with vinegar mixture; toss well to coat. Top with peanuts.