fix(session-index): honor selected session IDs in CLI batch summary generation

src/services/session-index/fetch.ts

@@ -119,25 +119,29 @@ export class FetchSessionIndexAdapter implements SessionIndexAdapter {
     }
   }
 
-  async generateSummaries(
-    dbSessionId: string,
-    _chatSessionIds: number[],
-    locale?: string
-  ): Promise<BatchSummaryResult> {
-    try {
-      const resp = await fetch(`/_web/sessions/${dbSessionId}/summaries/generate-all`, {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({ locale }),
-      })
-      const result = await resp.json()
-      if (!resp.ok) {
-        return { success: 0, failed: 0, skipped: 0 }
+  async generateSummaries(dbSessionId: string, chatSessionIds: number[], locale?: string): Promise<BatchSummaryResult> {
+    // Call generateSummary individually for each selected session so that only
+    // the requested IDs are processed, matching the Electron adapter's behaviour.
+    // Previously this called /generate-all and ignored chatSessionIds entirely,
+    // which caused every session in the database to be regenerated.
+    let success = 0
+    let failed = 0
+    const skipped = 0
+
+    for (const chatSessionId of chatSessionIds) {
+      try {
+        const result = await this.generateSummary(dbSessionId, chatSessionId, locale)
+        if (result.success) {
+          success++
+        } else {
+          failed++
+        }
+      } catch {
+        failed++
       }
-      return { success: result.success ?? 0, failed: result.failed ?? 0, skipped: result.skipped ?? 0 }
-    } catch {
-      return { success: 0, failed: 0, skipped: 0 }
     }
+
+    return { success, failed, skipped }
   }
 
   async checkCanGenerateSummary(