feat: add Google code retrieval across desktop CLI and MCP

crates/searchi-cli/src/main.rs

@@ -68,6 +68,9 @@ enum Command {
         /// Restrict results to this folder and descendants.
         #[arg(long)]
         folder: Option<PathBuf>,
+        /// Search indexed source-code files only; supports symbols and semantic code queries.
+        #[arg(long)]
+        code_only: bool,
         /// File extension, with or without the leading dot.
         #[arg(long)]
         extension: Option<String>,
@@ -166,6 +169,7 @@ fn main() -> Result<()> {
             performance,
             debug_performance,
             folder,
+            code_only,
             extension,
             min_size,
             max_size,
@@ -183,6 +187,7 @@ fn main() -> Result<()> {
             require_existing_index(&db)?;
             let options = SearchOptions {
                 folder,
+                code_only,
                 extension,
                 min_size,
                 max_size,

crates/searchi-cli/src/mcp.rs

@@ -38,6 +38,9 @@ struct SearchInput {
     limit: u16,
 
     folder: Option<String>,
+    /// Restrict all retrieval lanes to indexed source-code files.
+    #[serde(default)]
+    code_only: bool,
 
     extension: Option<String>,
 
@@ -168,6 +171,7 @@ impl AgentServer {
             let options = SearchOptions {
 
                 folder: input.folder.map(PathBuf::from),
+                code_only: input.code_only,
 
                 extension: input.extension,
 
@@ -272,6 +276,7 @@ impl AgentServer {
             Ok(json!({
 
                 "mode": mode,
+                "code_only": input.code_only,
 
                 "semantic_available": mode == "hybrid",