[Bug] Premature Conversation Compaction Despite Available Context Budget

Bug Description
Error: Error during compaction: Error: Conversation too long. But according to the /context report, I still have more than 40% of the context available.

Environment Info

• Platform: darwin
• Terminal: Apple_Terminal
• Version: 2.0.21
• Feedback ID: 998518fb-6519-4d13-9e09-33c892b86749

Errors

[{"error":"Error: Server \"contextgraph\" not found. Available servers: plugin:contextgraph:actions\n    at Object.call (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1353:1405)\n    at call.next (<anonymous>)\n    at bC8 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2649:65320)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async uCQ (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2649:62374)\n    at async file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2649:61543\n    at async ob1 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:724:1644)\n    at async vC8 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2649:61455)\n    at async kC8 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2649:60443)\n    at async Tj (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2649:57747)","timestamp":"2025-10-17T17:01:36.941Z"},{"error":"SyntaxError: Unexpected token '`', \"```json\n{\n\"... is not valid JSON\n    at JSON.parse (<anonymous>)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:62:719\n    at Q (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:15093)\n    at Zn2 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1056:20444)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-10-17T17:04:35.269Z"},{"error":"SyntaxError: Unexpected token '`', \"```json\n{\n\"... is not valid JSON\n    at JSON.parse (<anonymous>)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:62:719\n    at Q (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:15093)\n    at Zn2 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1056:20444)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-10-17T18:15:05.483Z"},{"error":"SyntaxError: Unexpected token '`', \"```json\n{\n\"... is not valid JSON\n    at JSON.parse (<anonymous>)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:62:719\n    at Q (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:15093)\n    at Zn2 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1056:20444)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-10-17T18:16:51.714Z"},{"error":"SyntaxError: Unexpected token '`', \"```json\n{\n\"... is not valid JSON\n    at JSON.parse (<anonymous>)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:62:719\n    at Q (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:15093)\n    at Zn2 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1056:20444)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-10-17T18:22:59.237Z"},{"error":"SyntaxError: Unexpected token '`', \"```json\n{\n\"... is not valid JSON\n    at JSON.parse (<anonymous>)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:62:719\n    at Q (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:15093)\n    at Zn2 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1056:20444)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-10-17T18:26:02.164Z"},{"error":"SyntaxError: Unexpected token '`', \"```json\n{\n\"... is not valid JSON\n    at JSON.parse (<anonymous>)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:62:719\n    at Q (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:15093)\n    at Zn2 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1056:20444)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-10-17T18:27:38.600Z"},{"error":"SyntaxError: Unexpected token '`', \"```json\n{\n\"... is not valid JSON\n    at JSON.parse (<anonymous>)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:62:719\n    at Q (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:15093)\n    at Zn2 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1056:204

Note: Error logs were truncated.