Add multithreaded logging infrastructure for preparation for future designs (#225)

* Update class diagrams

* Implement BoundedChannel and multithreaded logging infra

* Integrate logging channel system

* Update string concatenations to use std::format

* Add pretty print log

tooling/pipeline/src/services/sqlite/helpers/sqlite_connection_helpers.cc

@@ -1,5 +1,6 @@
 #include "services/database/sqlite_connection_helpers.h"
 
+#include <format>
 #include <stdexcept>
 
 namespace sqlite_export_service_internal {
@@ -20,7 +21,7 @@ void SqliteStatementDeleter::operator()(
 void ThrowSqliteError(sqlite3* db_handle, std::string_view action) {
   const std::string message =
       db_handle != nullptr ? sqlite3_errmsg(db_handle) : "unknown SQLite error";
-  throw std::runtime_error(std::string(action) + ": " + message);
+  throw std::runtime_error(std::format("{}: {}", action, message));
 }
 
 SqliteDatabaseHandle OpenDatabase(const std::filesystem::path& path) {
@@ -50,7 +51,7 @@ void ExecSql(const SqliteDatabaseHandle& db_handle, std::string_view sql,
                                     ? error_message
                                     : sqlite3_errmsg(db_handle.get());
     sqlite3_free(error_message);
-    throw std::runtime_error(std::string(action) + ": " + message);
+    throw std::runtime_error(std::format("{}: {}", action, message));
   }
 }
 

tooling/pipeline/src/services/sqlite/initialize.cc

@@ -4,6 +4,7 @@
  */
 
 #include <filesystem>
+#include <format>
 #include <memory>
 #include <stdexcept>
 #include <string>
@@ -18,8 +19,8 @@ std::filesystem::path SqliteExportService::BuildDatabasePath() const {
 
   for (int suffix = 1; std::filesystem::exists(candidate); ++suffix) {
     candidate = output_path_ /
-                std::filesystem::path("biergarten_seed_" + run_timestamp_utc_ +
-                                      "-" + std::to_string(suffix) + ".sqlite");
+                std::filesystem::path(std::format("biergarten_seed_{}-{}.sqlite",
+                                      run_timestamp_utc_, suffix));
   }
 
   return candidate;