fix(shared): recurse into Filter issues and protect omission suffix from truncation

- collectSchemaDiagnosticIssues now recurses into Filter.issue when the
  inner issue is not a bare InvalidValue, matching Effect's own
  toDefaultIssues behavior. This preserves nested field paths instead of
  showing generic root-level 'Invalid value' messages.

- formatSchemaError now truncates the formatted issues part separately,
  reserving space for the omission suffix so '... and N more issue(s)'
  is never silently dropped by the length cap.

Author: cursoragent

packages/shared/src/schemaJson.ts

@@ -78,6 +78,11 @@ function collectSchemaDiagnosticIssues(
   switch (issue._tag) {
     case "Encoding":
       return collectSchemaDiagnosticIssues(issue.issue, path, diagnostics);
+    case "Filter":
+      if (issue.issue._tag !== "InvalidValue") {
+        return collectSchemaDiagnosticIssues(issue.issue, path, diagnostics);
+      }
+      break;
     case "Pointer":
       return collectSchemaDiagnosticIssues(issue.issue, [...path, ...issue.path], diagnostics);
     case "Composite":
@@ -157,11 +162,11 @@ export const formatSchemaError = (cause: Cause.Cause<Schema.SchemaError>) => {
 
   const omittedIssueCount = issueCount - issues.length;
   const formatted = issues.map(formatDiagnosticIssue).join("\n");
-  const withOmittedCount =
-    omittedIssueCount === 0
-      ? formatted
-      : `${formatted}\n... and ${omittedIssueCount} more issue(s)`;
-  return truncateDiagnostic(withOmittedCount, MAX_SCHEMA_DIAGNOSTIC_LENGTH);
+  if (omittedIssueCount === 0) {
+    return truncateDiagnostic(formatted, MAX_SCHEMA_DIAGNOSTIC_LENGTH);
+  }
+  const suffix = `\n... and ${omittedIssueCount} more issue(s)`;
+  return truncateDiagnostic(formatted, MAX_SCHEMA_DIAGNOSTIC_LENGTH - suffix.length) + suffix;
 };
 
 /**