fix: add services module and fix type annotation error

Co-authored-by: aider (openai/andrew/openrouter/anthropic/claude-sonnet-4) <aider@aider.chat>

src/main.rs

@@ -1,6 +1,7 @@
 mod args;
 mod config;
 mod modes;
+mod services;
 
 use anyhow::{Context, Error, Result, anyhow};
 use clap::*;

src/modes/delete.rs

@@ -41,7 +41,7 @@ pub fn mode_delete(
                 CoreError::ItemNotFound(_) => {
                     warn!("Unable to find item {item_id} in database");
                 }
-                _ => return Err(anyhow!(e).context(format!("Failed to delete item {}", item_id))),
+                _ => return Err(anyhow::Error::from(e).context(format!("Failed to delete item {}", item_id))),
             },
         }
     }