feat: Enhance issue deduplication in CodeAnalysisService and filter unresolved issues in FileViewService

Author: rostilos

java-ecosystem/libs/core/src/main/java/org/rostilos/codecrow/core/service/CodeAnalysisService.java

@@ -987,7 +987,24 @@ private List<CodeAnalysisIssue> deduplicateBranchIssues(List<CodeAnalysisIssue>
             }
         }
 
-        return new ArrayList<>(byContentFp.values());
+        // Pass 3: safety-net dedup for issues that survived with null fingerprints.
+        // Group by (normalizedTitle + lineNumber) and keep only the latest version.
+        Map<String, CodeAnalysisIssue> byTitleLine = new LinkedHashMap<>();
+        for (CodeAnalysisIssue issue : byContentFp.values()) {
+            String title = issue.getTitle();
+            int line = issue.getLineNumber() != null ? issue.getLineNumber() : 0;
+            if (title != null && !title.isBlank()) {
+                String key = IssueFingerprint.normalizeTitle(title) + "::" + line;
+                CodeAnalysisIssue existing = byTitleLine.get(key);
+                if (existing == null || issue.getAnalysis().getId() > existing.getAnalysis().getId()) {
+                    byTitleLine.put(key, issue);
+                }
+            } else {
+                byTitleLine.put("_id_" + issue.getId(), issue);
+            }
+        }
+
+        return new ArrayList<>(byTitleLine.values());
     }
 
     public void markIssueAsResolved(Long issueId) {

java-ecosystem/services/web-server/src/main/java/org/rostilos/codecrow/webserver/analysis/service/FileViewService.java

@@ -420,6 +420,7 @@ public Optional<FileViewResponse> getPrFileView(Long projectId, Long prNumber, S
         List<CodeAnalysisIssue> fileIssues = codeAnalysisService.findIssuesByPrNumberAndFilePath(projectId, prNumber, filePath);
         List<FileViewResponse.InlineIssue> inlineIssues = fileIssues.stream()
                 .filter(FileViewService::hasTitle)
+                .filter(i -> !i.isResolved())
                 .map(i -> new FileViewResponse.InlineIssue(
                         i.getId(),
                         correctLineNumber(i, lineHashes),
@@ -481,6 +482,7 @@ public Optional<FileSnippetResponse> getPrFileSnippet(
         int finalStartLine = startLine;
         int finalEndLine = endLine;
         List<FileViewResponse.InlineIssue> inlineIssues = allIssues.stream()
+                .filter(i -> !i.isResolved())
                 .filter(i -> {
                     int ln = i.getLineNumber() != null ? i.getLineNumber() : 0;
                     return ln >= finalStartLine && ln <= finalEndLine;
@@ -545,6 +547,7 @@ public Optional<FileSnippetResponse> getPrFileSnippetByRange(
         int finalStart = startLine;
         int finalEnd = endLine;
         List<FileViewResponse.InlineIssue> inlineIssues = allIssues.stream()
+                .filter(i -> !i.isResolved())
                 .filter(i -> {
                     int ln = i.getLineNumber() != null ? i.getLineNumber() : 0;
                     return ln >= finalStart && ln <= finalEnd;