fix(sql-files): distinguish files with duplicate names

apps/desktop/src/lib/sql/sqlFileOpen.ts

@@ -3,12 +3,46 @@ export function isSqlFilePath(path: string): boolean {
 }
 
 export function sqlFileTitleFromPath(path: string): string {
-  const trimmed = path.trim();
-  const normalized = trimmed.replace(/\\/g, "/");
+  const normalized = normalizeExternalSqlPath(path);
   const name = normalized.split("/").filter(Boolean).pop();
   return name || "script.sql";
 }
 
+export function normalizeExternalSqlPath(path: string): string {
+  const normalized = path
+    .trim()
+    .replace(/\\/g, "/")
+    .replace(/\/{2,}/g, "/");
+  return normalized.length > 1 ? normalized.replace(/\/$/, "") : normalized;
+}
+
+export function externalSqlFileDisplayTitles(paths: string[]): string[] {
+  const segments = paths.map((path) => normalizeExternalSqlPath(path).split("/").filter(Boolean));
+  const titles = segments.map((parts) => parts[parts.length - 1] || "script.sql");
+  const collisions = new Map<string, number[]>();
+
+  titles.forEach((title, index) => {
+    const indexes = collisions.get(title) ?? [];
+    indexes.push(index);
+    collisions.set(title, indexes);
+  });
+
+  for (const indexes of collisions.values()) {
+    if (indexes.length < 2) continue;
+    const maxDepth = Math.max(...indexes.map((index) => segments[index].length));
+    for (let depth = 2; depth <= maxDepth; depth++) {
+      const candidates = indexes.map((index) => segments[index].slice(-depth).join("/"));
+      if (new Set(candidates).size !== candidates.length) continue;
+      indexes.forEach((index, candidateIndex) => {
+        titles[index] = candidates[candidateIndex];
+      });
+      break;
+    }
+  }
+
+  return titles;
+}
+
 export function externalSqlFilePaths(paths: string[]): string[] {
   return paths.filter(isSqlFilePath);
 }