Unclear Checkpoint Summaries in Resume Command

Bug Description
Some "/resume" checkpoints have messages not explanatory of the conversation.
Example: 2. 15h ago 16h ago 148 e2e-testing Caveat: The messages below were generated by ...
148 messages without a summary...

Environment Info

• Platform: linux
• Terminal: windows-terminal
• Version: 1.0.84
• Feedback ID:

Errors

[{"error":"Error: Request was aborted.\n    at vZ1._createMessage (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:950:7955)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-08-19T14:58:07.849Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: jsonl\n    at file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1776:787\n    at Object.useMemo (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:330:26368)\n    at sR9.useMemo (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:49:15588)\n    at WC (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1776:679)\n    at PR (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:330:19859)\n    at sb (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:42835)\n    at nb (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:38356)\n    at Uj (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:38284)\n    at nR (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:38138)\n    at vC (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:35201)","timestamp":"2025-08-19T15:51:55.363Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: jsonl\n    at file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1776:787\n    at Object.useMemo (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:330:26368)\n    at sR9.useMemo (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:49:15588)\n    at WC (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1776:679)\n    at PR (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:330:19859)\n    at sb (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:42835)\n    at nb (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:38356)\n    at Uj (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:38284)\n    at nR (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:38138)\n    at vC (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:332:35201)","timestamp":"2025-08-19T15:51:55.376Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n    at Module.readFileSync (node:fs:440:20)\n    at Object.readFileSync (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:696:9211)\n    at leA (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:741:8545)\n    at Object.call (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1784:918)\n    at call.next (<anonymous>)\n    at oM (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1789:2956)\n    at file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1803:988\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-08-19T15:53:18.984Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n    at Module.readFileSync (node:fs:440:20)\n    at Object.readFileSync (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:696:9211)\n    at leA (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:741:8545)\n    at Object.call (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1784:918)\n    at call.next (<anonymous>)\n    at oM (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1789:2956)\n    at file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1803:988\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-08-19T15:53:18.998Z"},{"error":"AxiosError: Request failed with status code 401\n    at JN (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:692:1077)\n    at IncomingMessage.V0 (file:///home/marco/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:693:9955)\n    at IncomingMessage.emit (node:events:520:35)\n    at IncomingMessage.emit (node:doma

Note: Error logs were truncated.