fix(sessions): mark derived sessions in detail for disabling convert

Author: ymkiux

cli.js

@@ -6346,10 +6346,14 @@ function isDerivedSessionFile(filePath) {
     const metaPath = getDerivedSessionMetaPath(filePath);
     if (!metaPath) return false;
     try {
-        return fs.existsSync(metaPath);
+        if (fs.existsSync(metaPath)) {
+            return true;
+        }
     } catch (_) {
         return false;
     }
+    const base = path.basename(filePath || '', path.extname(filePath || ''));
+    return /-\d{8}-\d{6}-[0-9a-f]{6}$/i.test(base);
 }
 
 function resolveStateMaxMessages(state) {
@@ -6697,6 +6701,20 @@ async function readSessionDetail(params = {}) {
         sessionId,
         cwd: extracted.cwd || '',
         updatedAt: extracted.updatedAt || '',
+        derived: (() => {
+            try {
+                const metaPath = filePath.toLowerCase().endsWith('.jsonl')
+                    ? `${filePath.slice(0, -5)}.meta.json`
+                    : `${filePath}.meta.json`;
+                if (fs.existsSync(metaPath)) {
+                    return true;
+                }
+            } catch (_) {
+                return false;
+            }
+            const base = path.basename(filePath || '', path.extname(filePath || ''));
+            return /-\d{8}-\d{6}-[0-9a-f]{6}$/i.test(base);
+        })(),
         totalMessages: hasExactTotalMessages ? extracted.totalMessages : null,
         clipped: typeof extracted.clipped === 'boolean'
             ? extracted.clipped

web-ui/session-helpers.mjs

@@ -422,6 +422,9 @@ export async function loadActiveSessionDetail(api, options = {}) {
         if (res.sourceLabel) {
             this.activeSession.sourceLabel = res.sourceLabel;
         }
+        if (typeof res.derived === 'boolean') {
+            this.activeSession.derived = res.derived;
+        }
         if (res.sessionId) {
             this.activeSession.sessionId = res.sessionId;
             if (!this.activeSession.title) {