fix: resolve npm peer dependency conflict and remove unused import

- Add npm overrides for cytoscape-react to support React 19
- Remove unused ASTParser import from analysis.py

Author: ChidcGithub

backend/routers/analysis.py

@@ -14,7 +14,6 @@
     CodeInput, AnalysisResult, ComplexityMetrics, SeverityLevel
 )
 from ..exceptions import CodeParsingError, CodeTooLargeError, AnalysisError
-from ..ast_parser import ASTParser
 from ..utils import AnalyzerFactory, get_parser
 
 logger = logging.getLogger(__name__)

frontend/package.json

@@ -46,5 +46,11 @@
       "last 1 firefox version",
       "last 1 safari version"
     ]
+  },
+  "overrides": {
+    "cytoscape-react": {
+      "react": "^19.0.0",
+      "react-dom": "^19.0.0"
+    }
   }
 }