feat: add Google code retrieval across desktop CLI and MCP

crates/searchi-cli/tests/mcp.rs

@@ -75,6 +75,16 @@ fn actual_mcp_handshake_search_and_guarded_sources() {
         "Termination clause: sixty days written notice to end the supplier partnership.",
     )
     .unwrap();
+    std::fs::write(
+        folder.join("retry.rs"),
+        "pub fn refreshAccessToken() { /* retry requests */ }",
+    )
+    .unwrap();
+    std::fs::write(
+        folder.join("symbol-note.txt"),
+        "refreshAccessToken retry requests",
+    )
+    .unwrap();
     let db = fixture.path().join("index.sqlite");
     let indexed = Command::new(env!("CARGO_BIN_EXE_searchi"))
         .args(["index", "--db"])
@@ -154,6 +164,21 @@ fn actual_mcp_handshake_search_and_guarded_sources() {
             .unwrap()
             .contains("local path"));
     }
+    let code = server.request(
+        40,
+        "tools/call",
+        json!({"name":"search","arguments":{"query":"refreshAccessToken","code_only":true}}),
+    );
+    let code_results = code["result"]["structuredContent"]["results"]
+        .as_array()
+        .unwrap();
+    assert_eq!(code_results.len(), 1);
+    assert_eq!(code_results[0]["filename"], "retry.rs");
+    assert_eq!(code_results[0]["source"]["kind"], "line");
+    assert!(code_results[0]["snippet"]
+        .as_str()
+        .unwrap()
+        .contains("refreshAccessToken"));
     let mutation = server.request(7, "tools/call", json!({"name":"index","arguments":{}}));
     assert!(mutation["error"].is_object());
     std::fs::write(