v0.preview.45

v0.preview.45 - 2026-06-25

• Add MiMo models via OpenRouter
• Select flash and default models automatically by weight class (feather/middle/heavy)
• Infer model vision support from model markers, and return image metadata from Read when the model lacks vision
• Make native web search a declarative provider flag
• Rework bash mode to run in the user's shell and reuse the shared crates/exec path
• Surface settings parse notices in ante doctor
• Dependency updates