* Updated cursor model from `sonnet-4` to `sonnet-4.5` in [`default_profiles.json`](file:///private/var/folders/5q/5vgq75y92dz0k7n62z93299r0000gn/T/vibe-kanban/worktrees/a67d-update-cursor-ag/crates/executors/default_profiles.json#L92-L97), updated available models in [`cursor.json`](file:///private/var/folders/5q/5vgq75y92dz0k7n62z93299r0000gn/T/vibe-kanban/worktrees/a67d-update-cursor-ag/shared/schemas/cursor.json#L22) schema, and [`cursor.rs`](file:///private/var/folders/5q/5vgq75y92dz0k7n62z93299r0000gn/T/vibe-kanban/worktrees/a67d-update-cursor-ag/crates/executors/src/executors/cursor.rs#L39) documentation.
* Added `SONNET_4_5_THINKING` profile to [`default_profiles.json`](file:///private/var/folders/5q/5vgq75y92dz0k7n62z93299r0000gn/T/vibe-kanban/worktrees/a67d-update-cursor-ag/crates/executors/default_profiles.json#L98-L103) for the `sonnet-4.5-thinking` model.
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