feat: add as_meta parameter to content endpoint

Co-authored-by: aider (openai/andrew/openrouter/deepseek/deepseek-chat-v3.1) <aider@aider.chat>

src/modes/server/common.rs

@@ -130,6 +130,8 @@ pub struct ItemQuery {
     pub length: u64,
     #[serde(default = "default_stream")]
     pub stream: bool,
+    #[serde(default = "default_as_meta")]
+    pub as_meta: bool,
 }
 
 #[derive(Debug, Deserialize, utoipa::ToSchema)]
@@ -143,6 +145,8 @@ pub struct ItemContentQuery {
     pub length: u64,
     #[serde(default = "default_stream")]
     pub stream: bool,
+    #[serde(default = "default_as_meta")]
+    pub as_meta: bool,
 }
 
 fn check_bearer_auth(auth_str: &str, expected_password: &str, expected_hash: &Option<String>) -> bool {
@@ -169,6 +173,10 @@ fn default_stream() -> bool {
     false
 }
 
+fn default_as_meta() -> bool {
+    false
+}
+
 fn check_basic_auth(auth_str: &str, expected_password: &str, expected_hash: &Option<String>) -> bool {
     if !auth_str.starts_with("Basic ") {
         return false;