fix: resolve compilation errors in tests by fixing type mismatches and imports

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

src/tests/compression_engine/program_tests.rs

@@ -1,6 +1,7 @@
 #[cfg(test)]
 mod tests {
     use crate::compression_engine::program::CompressionEngineProgram;
+    use crate::compression_engine::CompressionEngine;
 
     #[test]
     fn test_compression_engine_program_creation() {

src/tests/db/meta_tests.rs

@@ -26,10 +26,10 @@ mod tests {
         
         // Try to get meta for non-existent item
         let item = crate::db::Item {
-            id: 999, // Non-existent item
+            id: Some(999), // Non-existent item
             ts: chrono::Utc::now(),
-            size: 0,
-            compression: crate::compression_engine::CompressionType::None,
+            size: Some(0),
+            compression: crate::compression_engine::CompressionType::None.to_string(),
         };
         
         let metas = db::get_item_meta(&conn, &item);

src/tests/db/tag_tests.rs

@@ -35,10 +35,10 @@ mod tests {
         
         // Try to delete tags for non-existent item
         let item = crate::db::Item {
-            id: 999, // Non-existent item
+            id: Some(999), // Non-existent item
             ts: chrono::Utc::now(),
-            size: 0,
-            compression: crate::compression_engine::CompressionType::None,
+            size: Some(0),
+            compression: crate::compression_engine::CompressionType::None.to_string(),
         };
         
         let delete_result = db::delete_item_tags(&conn, item);

src/tests/meta_plugin/digest_tests.rs

@@ -6,9 +6,9 @@ mod tests {
 
     #[test]
     fn test_digest_sha256_meta_plugin() {
-        let mut plugin = DigestSha256MetaPlugin::new("test_digest".to_string());
+        let mut plugin = DigestSha256MetaPlugin::new();
         
-        assert_eq!(plugin.meta_name(), "test_digest");
+        assert_eq!(plugin.meta_name(), "digest_sha256");
         assert!(plugin.is_internal());
         
         // Creating a writer should work
@@ -23,9 +23,9 @@ mod tests {
 
     #[test]
     fn test_read_time_meta_plugin() {
-        let mut plugin = ReadTimeMetaPlugin::new("read_time_test".to_string());
+        let mut plugin = ReadTimeMetaPlugin::new();
         
-        assert_eq!(plugin.meta_name(), "read_time_test");
+        assert_eq!(plugin.meta_name(), "read_time");
         assert!(plugin.is_internal());
         
         // Creating a writer should work
@@ -35,9 +35,9 @@ mod tests {
 
     #[test]
     fn test_read_rate_meta_plugin() {
-        let mut plugin = ReadRateMetaPlugin::new("read_rate_test".to_string());
+        let mut plugin = ReadRateMetaPlugin::new();
         
-        assert_eq!(plugin.meta_name(), "read_rate_test");
+        assert_eq!(plugin.meta_name(), "read_rate");
         assert!(plugin.is_internal());
         
         // Creating a writer should work

src/tests/meta_plugin/program_tests.rs

@@ -6,8 +6,8 @@ mod tests {
     #[test]
     fn test_meta_plugin_program_creation() {
         let plugin = MetaPluginProgram::new(
-            "echo".to_string(),
-            vec!["test".to_string()],
+            "echo",
+            vec!["test"],
             "test_plugin".to_string(),
             false,
         );
@@ -20,8 +20,8 @@ mod tests {
     #[test]
     fn test_meta_plugin_program_create_writer() {
         let plugin = MetaPluginProgram::new(
-            "cat".to_string(),
-            vec![].to_vec(),
+            "cat",
+            vec![],
             "cat_plugin".to_string(),
             false,
         );
@@ -36,8 +36,8 @@ mod tests {
     #[test]
     fn test_meta_plugin_program_unsupported() {
         let plugin = MetaPluginProgram::new(
-            "nonexistent_program_xyz".to_string(),
-            vec![].to_vec(),
+            "nonexistent_program_xyz",
+            vec![],
             "bad_plugin".to_string(),
             false,
         );