Use maps to track workload progress instead of recalculating them at every step of the search, calculate total days/slots once, add integration tests, add log folder

justfile

@@ -14,6 +14,12 @@ lint:
     cd {{tauri_path}} && cargo clippy
 
 test:
+    cd {{tauri_path}} && cargo test --lib --release
+
+test-integration:
+    cd {{tauri_path}} && cargo test --test integration --release
+
+test-all:
     cd {{tauri_path}} && cargo test --release -- --nocapture
 
 # profile: