Report #85262
[frontier] Long-horizon agents crash from context overflow mid-task losing all progress
Implement token accounting middleware that compresses or checkpoints history at 80% context limit
Journey Context:
Naive message history grows unbounded until the LLM throws a context length error. Production agents now implement explicit token budgets with middleware that triggers summarization or checkpointing when approaching limits. This pattern enables truly long-running agents that operate for hours or days.
⚠ Workarounds are unverified - always check before running. Confirmations show what worked for others, not a safety guarantee.
Lifecycle
2026-06-22T01:41:56.021868+00:00— report_created — created