fix: resolve Windows CI failures in wrapper detection and path separators

Co-authored-by: jGauravGupta <15934072+jGauravGupta@users.noreply.github.com>

Author: Copilot

src/main/java/io/github/jeddict/ai/agent/project/GradleProjectTools.java

@@ -236,7 +236,9 @@ private String resolveWrapper() {
         final boolean isWindows = System.getProperty("os.name").toLowerCase().contains("win");
         final File basedirFile = new File(basedir);
         if (isWindows) {
-            return new File(basedirFile, "gradlew.bat").exists() ? "gradlew.bat" : "gradle";
+            if (new File(basedirFile, "gradlew.bat").exists()) return "gradlew.bat";
+            if (new File(basedirFile, "gradlew").exists()) return "./gradlew";
+            return "gradle";
         } else {
             return new File(basedirFile, "gradlew").exists() ? "./gradlew" : "gradle";
         }

src/main/java/io/github/jeddict/ai/agent/project/MavenProjectTools.java

@@ -254,7 +254,9 @@ private String resolveWrapper() {
         final boolean isWindows = System.getProperty("os.name").toLowerCase().contains("win");
         final File basedirFile = new File(basedir);
         if (isWindows) {
-            return new File(basedirFile, "mvnw.cmd").exists() ? "mvnw.cmd" : "mvn";
+            if (new File(basedirFile, "mvnw.cmd").exists()) return "mvnw.cmd";
+            if (new File(basedirFile, "mvnw").exists()) return "./mvnw";
+            return "mvn";
         } else {
             return new File(basedirFile, "mvnw").exists() ? "./mvnw" : "mvn";
         }

src/main/java/io/github/jeddict/ai/agent/project/ProjectTools.java

@@ -444,7 +444,7 @@ private static String relativize(Project project, String absolutePath) {
             final Path projectRoot = Paths.get(project.getProjectDirectory().getPath());
             final Path absolute = Paths.get(absolutePath);
             if (absolute.startsWith(projectRoot)) {
-                return projectRoot.relativize(absolute).toString();
+                return projectRoot.relativize(absolute).toString().replace(File.separatorChar, '/');
             }
             return absolutePath;
         } catch (final IllegalArgumentException e) {