fix: Correct Pest grammar and update ItemService initialization

Co-authored-by: aider (openai/andrew/openrouter/sonoma-sky-alpha) <aider@aider.chat>

src/config.rs

@@ -396,6 +396,29 @@ impl Settings {
     }
 
 
+    /// Get server password from password_file or directly from config if configured
+    pub fn get_server_password(&self) -> Result<Option<String>> {
+        if let Some(server) = &self.server {
+            // First check for password_file
+            if let Some(password_file) = &server.password_file {
+                debug!("CONFIG: Reading password from file: {:?}", password_file);
+                let password = fs::read_to_string(password_file)
+                    .with_context(|| format!("Failed to read password file: {:?}", password_file))?
+                    .trim()
+                    .to_string();
+                return Ok(Some(password));
+            }
+            
+            // Fall back to direct password field
+            if let Some(password) = &server.password {
+                debug!("CONFIG: Using password from config");
+                return Ok(Some(password.clone()));
+            }
+        }
+        Ok(None)
+    }
+
+
     /// Get server password from password_file or directly from config if configured
     pub fn get_server_password(&self) -> Result<Option<String>> {
         if let Some(server) = &self.server {

src/modes/diff.rs

@@ -119,7 +119,7 @@ pub fn mode_diff(
 
     let settings = crate::config::Settings::new(args, crate::config::default_dir()?)?;
 
-    let item_service = crate::services::item_service::ItemService::new(&settings)?;
+    let item_service = crate::services::item_service::ItemService::new(settings.dir.clone());
 
     let (item_a, item_b) = fetch_and_validate_items(conn, &ids, &item_service)?;
 

src/parser/filter.pest

@@ -1,6 +1,6 @@
 WHITESPACE = _{ " " | "\t" | "\n" | "\r" }
 
-// This Pest grammar defines the syntax for filter chains used in the Keep application.
+//! This Pest grammar defines the syntax for filter chains used in the Keep application.
 
 // Main entry point for parsing multiple filters separated by pipes
 filters = { SOI ~ filter ~ (pipe ~ filter)* ~ EOI }

src/parser/filter_parser.rs

@@ -6,6 +6,8 @@ use std::collections::HashMap;
 #[grammar = "filter.pest"]
 pub struct FilterParser;
 
+use self::Rule;
+
 #[derive(Debug)]
 pub struct Filter {
     pub name: String,