refactor(domain): move DB string conversions out of domain enums

crates/domain/src/models/thought.rs

@@ -8,24 +8,6 @@ pub enum Visibility {
     Unlisted,
     Direct,
 }
-impl Visibility {
-    pub fn from_db_str(s: &str) -> Self {
-        match s {
-            "followers" => Self::Followers,
-            "unlisted" => Self::Unlisted,
-            "direct" => Self::Direct,
-            _ => Self::Public,
-        }
-    }
-    pub fn as_str(&self) -> &str {
-        match self {
-            Self::Public => "public",
-            Self::Followers => "followers",
-            Self::Unlisted => "unlisted",
-            Self::Direct => "direct",
-        }
-    }
-}
 
 #[derive(Debug, Clone)]
 pub struct Thought {