Term search cannot exclude unknown type

[A4-Tacks]

rust-analyzer version: rust-analyzer 0.4.2991-standalone

rustc version: rustc 1.97.0-nightly (36ba2c771 2026-04-23)

editor or extension: Vim

code snippet to reproduce:

The unknown type should be excluded, and perhaps the never type should also be excluded

fn main() {
    let unknown;
    let _: i32 = todo!();
}                ╭Choose action─────────────────────────────────────────────────────────────────────╮
                 │1. Inline macro                                                                   │
                 │2. Replace todo!() with unknown                                                   │
                 │3. Replace todo!() with i32::from_be(unknown)                                     │
                 │4. Replace todo!() with i32::from_le(i32::from_be(unknown))                       │
                 │5. Replace todo!() with i32::from_be_bytes(unknown)                               │
                 │6. Replace todo!() with i32::from_le_bytes(unknown)                               │
                 │7. Replace todo!() with i32::from_ne_bytes(unknown)                               │
                 │8. Replace todo!() with i32::min_value()                                          │
                 │9. Replace todo!() with i32::max_value()                                          │
                 │10. Replace todo!() with i32::from_be(todo!())                                    │
                 │11. Replace todo!() with i32::from_le(todo!())                                    │
                 │12. Replace todo!() with i32::from_str_radix(unknown, unknown).expect(unknown)    │
                 │13. Replace todo!() with i32::from_str_radix(unknown, unknown).unwrap()           │
                 │14. Replace todo!() with i32::from_str_radix(unknown, unknown).unwrap_or_default()│
                 │15. Replace todo!() with i32::from_str_radix(unknown, unknown).unwrap_or(todo!()) │
                 ╰──────────────────────────────────────────────────────────────────────────────────╯