fix: make paired evidence loss visible (#202)

runners/codex-runner/src/app-server-input.ts

@@ -1,27 +1,64 @@
 import fs from 'fs';
+import path from 'path';
 
-import { extractImageTagPaths } from 'ejclaw-runners-shared';
+import {
+  extractImageTagPaths,
+  imageTagCaption,
+  missingImageTagCaption,
+  splitImageTagPromptParts,
+} from 'ejclaw-runners-shared';
 
 import type { AppServerInputItem } from './app-server-client.js';
 
+const SUPPORTED_LOCAL_IMAGE_EXTENSIONS = new Set([
+  '.jpg',
+  '.jpeg',
+  '.png',
+  '.gif',
+  '.webp',
+]);
+
 export function parseAppServerInput(
   text: string,
   log: (message: string) => void = () => undefined,
 ): AppServerInputItem[] {
-  const { cleanText, imagePaths } = extractImageTagPaths(text);
+  const { imagePaths } = extractImageTagPaths(text);
   const input: AppServerInputItem[] = [];
+  const pushText = (value: string) => {
+    const trimmed = value.trim();
+    if (trimmed) input.push({ type: 'text', text: trimmed });
+  };
 
-  if (cleanText) {
-    input.push({ type: 'text', text: cleanText });
-  }
+  if (imagePaths.length > 0) {
+    for (const part of splitImageTagPromptParts(text)) {
+      if (part.type === 'text') {
+        pushText(part.text);
+        continue;
+      }
+      if (!fs.existsSync(part.path)) {
+        log(`Image not found, skipping: ${part.path}`);
+        pushText(missingImageTagCaption(part, 'file not found'));
+        continue;
+      }
 
-  for (const imgPath of imagePaths) {
-    if (fs.existsSync(imgPath)) {
-      input.push({ type: 'localImage', path: imgPath });
-      log(`Adding image input: ${imgPath}`);
-    } else {
-      log(`Image not found, skipping: ${imgPath}`);
+      const ext = path.extname(part.path).toLowerCase();
+      if (!SUPPORTED_LOCAL_IMAGE_EXTENSIONS.has(ext)) {
+        log(`Unsupported image type, skipping: ${part.path}`);
+        pushText(
+          missingImageTagCaption(
+            part,
+            `unsupported image type ${ext || 'unknown'}`,
+          ),
+        );
+        continue;
+      }
+
+      pushText(imageTagCaption(part));
+      input.push({ type: 'localImage', path: part.path });
+      log(`Adding image input: ${part.path}`);
     }
+  } else if (text) {
+    input.push({ type: 'text', text });
   }
 
   if (input.length === 0) {