Fix: Parse VIS remarks with intermittent conditions

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>

metar.html

@@ -352,10 +352,22 @@
                             const visibility = p[2].replace('SM', '');
                             const direction = p[1];
                             const raw_vis = p[2];
-                            return {
+                            let consumed = 3;
-                                consumed: 3,
+                            let raw_parts = ['VIS', direction, raw_vis];
-                                text: `  - VIS ${direction} ${raw_vis}: Sector visibility ${visibility} statute miles to the ${decodeDirection(direction).replace(/ to /g, '-')}`
+                            let text_parts = [];
-                            };
+
+                            text_parts.push(`Visibility ${decodeDirection(direction)} ${visibility} miles`);
+
+                            if (p.length > 3 && p[3] === 'INTMT') {
+                                consumed = 4;
+                                raw_parts.push('INTMT');
+                                text_parts.push('intermittent');
+                            }
+                            
+                            const raw_remark = raw_parts.join(' ');
+                            const text = `  - ${raw_remark}: ${text_parts.join(', ')}`;
+                            
+                            return { consumed, text };
                         }
                     }
                 },