chore(sonar): clean unused imports, suppressions, and private members

src/main/java/io/github/randomcodespace/iq/analyzer/StructuredParser.java

@@ -63,7 +63,6 @@ public Object parse(String language, String content, String filePath) {
     // Individual parsers
     // ------------------------------------------------------------------
 
-    @SuppressWarnings("unchecked")
     private Object parseYaml(String content) {
         var yaml = new Yaml(new org.yaml.snakeyaml.constructor.SafeConstructor(new org.yaml.snakeyaml.LoaderOptions()));
         var docs = new java.util.ArrayList<>();
@@ -82,7 +81,6 @@ private Object parseYaml(String content) {
         return result;
     }
 
-    @SuppressWarnings("unchecked")
     private Object parseJson(String content) throws Exception {
         Object data = objectMapper.readValue(content, Object.class);
         Map<String, Object> result = new LinkedHashMap<>();

src/main/java/io/github/randomcodespace/iq/analyzer/linker/EntityLinker.java

@@ -9,7 +9,6 @@
 import org.springframework.stereotype.Component;
 
 import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;

src/main/java/io/github/randomcodespace/iq/analyzer/linker/ModuleContainmentLinker.java

@@ -9,7 +9,6 @@
 import org.springframework.stereotype.Component;
 
 import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;

src/main/java/io/github/randomcodespace/iq/cache/AnalysisCache.java

@@ -15,7 +15,6 @@
 import java.nio.file.Path;
 import java.sql.Connection;
 import java.sql.DriverManager;
-import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.time.Instant;

src/main/java/io/github/randomcodespace/iq/cli/BundleCommand.java

@@ -21,9 +21,7 @@
 import java.nio.file.Path;
 import java.text.NumberFormat;
 import java.time.Instant;
-import java.util.LinkedHashMap;
 import java.util.Locale;
-import java.util.Map;
 import java.util.Optional;
 import java.util.concurrent.Callable;
 import java.util.stream.Stream;

src/main/java/io/github/randomcodespace/iq/cli/PluginsCommand.java

@@ -16,7 +16,6 @@
 import java.nio.file.SimpleFileVisitor;
 import java.nio.file.attribute.BasicFileAttributes;
 import java.util.ArrayList;
-import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;

src/main/java/io/github/randomcodespace/iq/config/ProjectConfigLoader.java

@@ -126,7 +126,6 @@
      * (which have no legacy flat equivalent) are still read via the unified
      * loader path and composed into the overlay.
      */
-    @SuppressWarnings("unchecked")
     private static LegacyParse readAndTranslateLegacy(Path oldFile) {
         Map<String, Object> raw;
         try {
@@ -196,8 +195,7 @@
      * {@code null} so {@link io.github.randomcodespace.iq.config.unified.ConfigMerger}
      * correctly falls through to lower layers.
      */
-    @SuppressWarnings("unchecked")
     static CodeIqUnifiedConfig translateLegacyToUnified(Map<String, Object> raw) {
         // --- project layer ---
         String root = raw.containsKey("root_path") ? String.valueOf(raw.get("root_path")) : null;
         String serviceName = raw.containsKey("service_name") ? String.valueOf(raw.get("service_name")) : null;

src/main/java/io/github/randomcodespace/iq/detector/csharp/CSharpStructuresDetector.java

@@ -1,7 +1,6 @@
 package io.github.randomcodespace.iq.detector.csharp;
 
 import io.github.randomcodespace.iq.detector.AbstractAntlrDetector;
-import io.github.randomcodespace.iq.grammar.AntlrParserFactory;
 import io.github.randomcodespace.iq.detector.DetectorContext;
 import io.github.randomcodespace.iq.detector.DetectorResult;
 import io.github.randomcodespace.iq.model.CodeEdge;
@@ -36,7 +35,6 @@ public class CSharpStructuresDetector extends AbstractAntlrDetector {
     private static final Pattern USING_RE = Pattern.compile("^\\s*using\\s+([\\w.]+)\\s*;", Pattern.MULTILINE);
     private static final Pattern HTTP_ATTR_RE = Pattern.compile("\\[(Http(?:Get|Post|Put|Delete|Patch))\\s*(?:\\(\"([^\"]*)\"\\))?\\]");
     private static final Pattern ROUTE_RE = Pattern.compile("\\[Route\\(\"([^\"]*)\"\\)\\]");
-    private static final Pattern API_CONTROLLER_RE = Pattern.compile("\\[ApiController\\]");
     private static final Pattern METHOD_RE = Pattern.compile("(?:public|protected|private|internal)\\s+(?:static\\s+|virtual\\s+|override\\s+|async\\s+|abstract\\s+)*(?:[\\w<>\\[\\]?,\\s]+)\\s+(\\w+)\\s*\\(");
 
     @Override

src/main/java/io/github/randomcodespace/iq/detector/jvm/java/GraphqlResolverDetector.java

@@ -34,7 +34,6 @@ public class GraphqlResolverDetector extends AbstractRegexDetector {
     private static final Pattern MUTATION_MAPPING_RE = Pattern.compile("@MutationMapping(?:\\s*\\(\\s*(?:name\\s*=\\s*)?\"([^\"]*)\"\\s*\\))?");
     private static final Pattern SUBSCRIPTION_MAPPING_RE = Pattern.compile("@SubscriptionMapping(?:\\s*\\(\\s*(?:name\\s*=\\s*)?\"([^\"]*)\"\\s*\\))?");
     private static final Pattern SCHEMA_MAPPING_RE = Pattern.compile("@SchemaMapping\\s*\\(\\s*(?:typeName\\s*=\\s*\"([^\"]*)\")?");
-    private static final Pattern BATCH_MAPPING_RE = Pattern.compile("@BatchMapping(?:\\s*\\(\\s*(?:field\\s*=\\s*)?\"([^\"]*)\"\\s*\\))?");
     private static final Pattern DGS_QUERY_RE = Pattern.compile("@DgsQuery(?:\\s*\\(\\s*field\\s*=\\s*\"([^\"]*)\"\\s*\\))?");
     private static final Pattern DGS_MUTATION_RE = Pattern.compile("@DgsMutation(?:\\s*\\(\\s*field\\s*=\\s*\"([^\"]*)\"\\s*\\))?");
     private static final Pattern DGS_SUBSCRIPTION_RE = Pattern.compile("@DgsSubscription(?:\\s*\\(\\s*field\\s*=\\s*\"([^\"]*)\"\\s*\\))?");

src/main/java/io/github/randomcodespace/iq/detector/jvm/java/JpaEntityDetector.java

@@ -52,7 +52,6 @@
             "ManyToMany", "many_to_many");
 
     // ---- Regex fallback patterns ----
-    private static final Pattern ENTITY_RE = Pattern.compile("@Entity");
     private static final Pattern TABLE_RE = Pattern.compile("@Table\\s*\\(\\s*(?:name\\s*=\\s*)?\"(\\w+)\"");
     private static final Pattern CLASS_RE = Pattern.compile("(?:public\\s+)?class\\s+(\\w+)");
     private static final Pattern COLUMN_RE = Pattern.compile("@Column\\s*\\(([^)]*)\\)");
@@ -76,7 +75,7 @@
     @Override
     public DetectorResult detect(DetectorContext ctx) {
         String text = ctx.content();
         if (text == null || !text.contains("@Entity")) return DetectorResult.empty();
 
         Optional<CompilationUnit> cu = parse(ctx);
         if (cu.isPresent()) {
@@ -236,7 +235,7 @@
 
     // ==================== Regex fallback ====================
 
     private DetectorResult detectWithRegex(DetectorContext ctx) {
         String text = ctx.content();
         String[] lines = text.split("\n", -1);
         List<CodeNode> nodes = new ArrayList<>();

src/main/java/io/github/randomcodespace/iq/detector/jvm/java/SpringRestDetector.java

@@ -34,7 +34,6 @@
 )
 @Component
 public class SpringRestDetector extends AbstractJavaParserDetector {
-    private static final String PROP_REQUESTMAPPING = "RequestMapping";
     private static final String PROP_CONSUMES = "consumes";
     private static final String PROP_PATH = "path";
     private static final String PROP_PRODUCES = "produces";

src/main/java/io/github/randomcodespace/iq/detector/jvm/kotlin/KotlinStructuresDetector.java

@@ -1,7 +1,6 @@
 package io.github.randomcodespace.iq.detector.jvm.kotlin;
 
 import io.github.randomcodespace.iq.detector.AbstractAntlrDetector;
-import io.github.randomcodespace.iq.grammar.AntlrParserFactory;
 import io.github.randomcodespace.iq.detector.DetectorContext;
 import io.github.randomcodespace.iq.detector.DetectorResult;
 import io.github.randomcodespace.iq.detector.StructuresDetectorHelper;

src/main/java/io/github/randomcodespace/iq/detector/jvm/scala/ScalaStructuresDetector.java

@@ -1,7 +1,6 @@
 package io.github.randomcodespace.iq.detector.jvm.scala;
 
 import io.github.randomcodespace.iq.detector.AbstractAntlrDetector;
-import io.github.randomcodespace.iq.grammar.AntlrParserFactory;
 import io.github.randomcodespace.iq.detector.DetectorContext;
 import io.github.randomcodespace.iq.detector.DetectorResult;
 import io.github.randomcodespace.iq.detector.StructuresDetectorHelper;

src/main/java/io/github/randomcodespace/iq/detector/structured/CloudFormationDetector.java

@@ -48,7 +48,7 @@
     }
 
     @Override
     public DetectorResult detect(DetectorContext ctx) {
         Map<String, Object> data = getData(ctx);
         if (data == null) {
             return DetectorResult.empty();
@@ -187,7 +187,6 @@
         return false;
     }
 
-    @SuppressWarnings("unchecked")
     private void collectRefs(Object value, Set<String> refs) {
         if (value instanceof Map<?, ?> map) {
             Object ref = map.get("Ref");

src/main/java/io/github/randomcodespace/iq/detector/structured/KubernetesDetector.java

@@ -263,7 +263,6 @@ private List<Map<String, Object>> getDocuments(DetectorContext ctx) {
         return List.of();
     }
 
-    @SuppressWarnings("unchecked")
     private List<Map<String, Object>> extractContainers(Map<String, Object> spec, String kind) {
         List<Map<String, Object>> containers = new ArrayList<>();
 

src/main/java/io/github/randomcodespace/iq/detector/systems/cpp/CppStructuresDetector.java

@@ -1,7 +1,6 @@
 package io.github.randomcodespace.iq.detector.systems.cpp;
 
 import io.github.randomcodespace.iq.detector.AbstractAntlrDetector;
-import io.github.randomcodespace.iq.grammar.AntlrParserFactory;
 import io.github.randomcodespace.iq.detector.DetectorContext;
 import io.github.randomcodespace.iq.detector.DetectorResult;
 import io.github.randomcodespace.iq.model.CodeEdge;
@@ -55,7 +54,7 @@
     }
 
     @Override
     protected DetectorResult detectWithRegex(DetectorContext ctx) {
         String text = ctx.content();
         if (text == null || text.isEmpty()) return DetectorResult.empty();
 

src/main/java/io/github/randomcodespace/iq/detector/typescript/ExpressRouteDetector.java

@@ -2,7 +2,6 @@
 
 import io.github.randomcodespace.iq.detector.DetectorContext;
 import io.github.randomcodespace.iq.detector.DetectorResult;
-import io.github.randomcodespace.iq.grammar.AntlrParserFactory;
 import io.github.randomcodespace.iq.grammar.javascript.JavaScriptParser;
 import io.github.randomcodespace.iq.grammar.javascript.JavaScriptParserBaseListener;
 import io.github.randomcodespace.iq.model.CodeNode;

src/main/java/io/github/randomcodespace/iq/detector/typescript/SequelizeORMDetector.java

@@ -38,10 +38,6 @@ public class SequelizeORMDetector extends AbstractTypeScriptDetector {
             "class\\s+(\\w+)\\s+extends\\s+Model\\s*\\{"
     );
 
-    private static final Pattern MODEL_INIT_RE = Pattern.compile(
-            "(\\w+)\\.init\\s*\\(\\s*\\{"
-    );
-
     private static final Pattern CONNECTION_RE = Pattern.compile(
             "new\\s+Sequelize(?:\\.Sequelize)?\\s*\\("
     );

src/main/java/io/github/randomcodespace/iq/flow/FlowRenderer.java

@@ -10,7 +10,6 @@
 import java.io.InputStream;
 import java.nio.charset.StandardCharsets;
 import java.util.Comparator;
-import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.TreeMap;
 

src/main/java/io/github/randomcodespace/iq/grammar/golang/GoParserBase.java

@@ -1,8 +1,6 @@
 package io.github.randomcodespace.iq.grammar.golang;
 
-import java.util.List;
 import org.antlr.v4.runtime.*;
-import java.io.PrintStream;
 import java.util.HashSet;
 import java.util.Set;
 

src/main/java/io/github/randomcodespace/iq/intelligence/extractor/go/GoLanguageExtractor.java

@@ -12,7 +12,6 @@
 
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;

src/test/java/io/github/randomcodespace/iq/analyzer/AnalyzerTest.java

@@ -1,7 +1,6 @@
 package io.github.randomcodespace.iq.analyzer;
 
 import io.github.randomcodespace.iq.analyzer.linker.Linker;
-import io.github.randomcodespace.iq.analyzer.linker.LinkResult;
 import io.github.randomcodespace.iq.config.CodeIqConfig;
 import io.github.randomcodespace.iq.detector.Detector;
 import io.github.randomcodespace.iq.detector.DetectorContext;

src/test/java/io/github/randomcodespace/iq/analyzer/BatchedStreamingTest.java

@@ -1,6 +1,5 @@
 package io.github.randomcodespace.iq.analyzer;
 
-import io.github.randomcodespace.iq.analyzer.linker.Linker;
 import io.github.randomcodespace.iq.cache.AnalysisCache;
 import io.github.randomcodespace.iq.config.CodeIqConfig;
 import io.github.randomcodespace.iq.detector.Detector;

src/test/java/io/github/randomcodespace/iq/analyzer/FullAnalysisIntegrationTest.java

@@ -107,14 +107,10 @@
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.condition.EnabledIfEnvironmentVariable;
 
-import io.github.randomcodespace.iq.model.CodeEdge;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.util.Comparator;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.stream.Collectors;
 
 import static org.junit.jupiter.api.Assertions.*;
 
@@ -135,7 +131,6 @@ class FullAnalysisIntegrationTest {
     /**
      * Build all detectors manually — no Spring context needed.
      */
-    @SuppressWarnings("unchecked")
     private static List<Detector> allDetectors() {
         // Use explicit Detector[] to avoid List.of() varargs inference issue with 90+ subtypes
         Detector[] detectors = {

src/test/java/io/github/randomcodespace/iq/analyzer/LayerClassifierTest.java

@@ -3,8 +3,6 @@
 import io.github.randomcodespace.iq.model.CodeNode;
 import io.github.randomcodespace.iq.model.NodeKind;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.params.ParameterizedTest;
-import org.junit.jupiter.params.provider.EnumSource;
 
 import java.util.List;
 import java.util.Map;

src/test/java/io/github/randomcodespace/iq/analyzer/StructuredParserTest.java

@@ -25,12 +25,6 @@ private Map<String, Object> asWrapper(Object result) {
         return (Map<String, Object>) result;
     }
 
-    @SuppressWarnings("unchecked")
-    private <T> T getData(Object result) {
-        Map<String, Object> wrapper = asWrapper(result);
-        return (T) wrapper.get("data");
-    }
-
     // ---- YAML ----
 
     @Test

src/test/java/io/github/randomcodespace/iq/api/FlowControllerTest.java

@@ -12,11 +12,8 @@
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 
 import java.util.LinkedHashMap;
-import java.util.List;
 import java.util.Map;
 
-import static org.hamcrest.Matchers.hasKey;
-import static org.hamcrest.Matchers.is;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.when;

src/test/java/io/github/randomcodespace/iq/api/GraphControllerTest.java

@@ -12,7 +12,6 @@
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 
-import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;

src/test/java/io/github/randomcodespace/iq/api/TopologyControllerExtendedTest.java

@@ -15,18 +15,14 @@
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 
-import java.io.IOException;
-import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
-import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyList;
-import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.*;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;

src/test/java/io/github/randomcodespace/iq/api/TopologyControllerTest.java

@@ -1,23 +1,13 @@
 package io.github.randomcodespace.iq.api;
 
-import io.github.randomcodespace.iq.config.CodeIqConfig;
 import io.github.randomcodespace.iq.query.TopologyService;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
-import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
-import org.springframework.http.MediaType;
-import org.springframework.test.web.servlet.MockMvc;
-import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 
-import java.util.LinkedHashMap;
 import java.util.List;
-import java.util.Map;
 
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyString;
-import static org.mockito.Mockito.when;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
 

src/test/java/io/github/randomcodespace/iq/api/TopologyEndpointTest.java

@@ -6,8 +6,6 @@
 import io.github.randomcodespace.iq.config.CodeIqConfig;
 import io.github.randomcodespace.iq.graph.GraphStore;
 import io.github.randomcodespace.iq.mcp.McpTools;
-import io.github.randomcodespace.iq.model.CodeEdge;
-import io.github.randomcodespace.iq.model.CodeNode;
 import io.github.randomcodespace.iq.query.QueryService;
 import io.github.randomcodespace.iq.query.StatsService;
 import io.github.randomcodespace.iq.query.TopologyService;

src/test/java/io/github/randomcodespace/iq/cache/CacheCoverageTest.java

@@ -14,7 +14,6 @@
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 

src/test/java/io/github/randomcodespace/iq/cli/BundleCommandExtendedTest.java

@@ -2,7 +2,6 @@
 
 import io.github.randomcodespace.iq.config.CodeIqConfig;
 import io.github.randomcodespace.iq.flow.FlowEngine;
-import io.github.randomcodespace.iq.graph.GraphStore;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -20,7 +19,6 @@
 import java.util.zip.ZipFile;
 
 import static org.junit.jupiter.api.Assertions.*;
-import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.when;
 import io.github.randomcodespace.iq.config.CodeIqConfigTestSupport;
 

src/test/java/io/github/randomcodespace/iq/cli/FlowCommandExtendedTest.java

@@ -2,7 +2,6 @@
 
 import io.github.randomcodespace.iq.config.CodeIqConfig;
 import io.github.randomcodespace.iq.flow.FlowEngine;
-import io.github.randomcodespace.iq.flow.FlowModels.FlowDiagram;
 import io.github.randomcodespace.iq.graph.GraphStore;
 import io.github.randomcodespace.iq.model.CodeNode;
 import io.github.randomcodespace.iq.model.NodeKind;
@@ -22,7 +21,6 @@
 import java.util.List;
 
 import static org.junit.jupiter.api.Assertions.*;
-import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.*;
 

src/test/java/io/github/randomcodespace/iq/cli/GraphCommandTest.java

@@ -6,12 +6,10 @@
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.io.TempDir;
 
 import java.io.ByteArrayOutputStream;
 import java.io.PrintStream;
 import java.nio.charset.StandardCharsets;
-import java.nio.file.Path;
 import java.util.List;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;

src/test/java/io/github/randomcodespace/iq/cli/TopologyCommandExtendedTest.java

@@ -23,9 +23,7 @@
 import java.util.Map;
 
 import static org.junit.jupiter.api.Assertions.*;
-import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyList;
-import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.*;
 import io.github.randomcodespace.iq.config.CodeIqConfigTestSupport;