[Bug] Context window filling unexpectedly fast with Claude 3.5 Sonnet

Bug Description
is the context window for Sonnet 4.6 something changed? Because it seems to be filling up unbelievably quickly

Environment Info

• Platform: darwin
• Terminal: Apple_Terminal
• Version: 2.1.89
• Feedback ID: 360f1f3d-a0bb-45ba-871e-345fe592f15e

Errors

[{"error":"Error: spawn /Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/vendor/ripgrep/arm64-darwin/rg EACCES\n    at ChildProcess._handle.onexit (node:internal/child_process:285:19)\n    at onErrorNT (node:internal/child_process:483:16)\n    at process.processTicksAndRejections (node:internal/process/task_queues:89:21)","timestamp":"2026-04-01T15:59:30.319Z"},{"error":"Error: Failed to clone marketplace repository: Cloning into '/Users/conroybrowne/.claude/plugins/marketplaces/krishnakanthb13-gws-skills-marketplace'...\nremote: Repository not found.\nfatal: repository 'https://github.com/krishnakanthb13/gws-skills-marketplace.git/' not found\n    at zs (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:4751:336)\n    at async P77 (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:4757:1914)\n    at async kd (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:4762:272)\n    at async il8 (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:8265:25207)\n    at async YeK (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:8265:26332)\n    at async OeK (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:8265:27786)","timestamp":"2026-04-01T15:59:31.788Z"},{"error":"Error: Failed to clone marketplace repository: SSH host key is not in your known_hosts file. To add it, connect once manually (this will show the fingerprint for you to verify):\n  ssh -T git@github.com\n\nOr use an HTTPS URL instead (recommended for public repos).\n\nOriginal error: Cloning into '/Users/conroybrowne/.claude/plugins/marketplaces/krishnakanthb13-gws-skills-marketplace'...\nNo ED25519 host key is known for github.com and you have requested strict checking.\r\nHost key verification failed.\r\nfatal: Could not read from remote repository.\n\nPlease make sure you have the correct access rights\nand the repository exists.\n    at zs (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:4751:336)\n    at async P77 (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:4757:2156)\n    at async kd (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:4762:272)\n    at async il8 (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:8265:25207)\n    at async YeK (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:8265:26332)\n    at async OeK (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:8265:27786)","timestamp":"2026-04-01T15:59:32.395Z"},{"error":"Error: Failed to clone marketplace repository: SSH host key is not in your known_hosts file. To add it, connect once manually (this will show the fingerprint for you to verify):\n  ssh -T git@github.com\n\nOr use an HTTPS URL instead (recommended for public repos).\n\nOriginal error: Cloning into '/Users/conroybrowne/.claude/plugins/marketplaces/krishnakanthb13-gws-skills-marketplace'...\nNo ED25519 host key is known for github.com and you have requested strict checking.\r\nHost key verification failed.\r\nfatal: Could not read from remote repository.\n\nPlease make sure you have the correct access rights\nand the repository exists.\n    at zs (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:4751:336)\n    at async P77 (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:4757:2156)\n    at async kd (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:4762:272)\n    at async il8 (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:8265:25207)\n    at async YeK (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:8265:26332)\n    at async OeK (file:///Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:8265:27786)","timestamp":"2026-04-01T15:59:32.396Z"},{"error":"Error: spawn /Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/vendor/ripgrep/arm64-darwin/rg EACCES\n    at ChildProcess._handle.onexit (node:internal/child_process:285:19)\n    at onErrorNT (node:internal/child_process:483:16)\n    at process.processTicksAndRejections (node:internal/process/task_queues:89:21)","timestamp":"2026-04-01T16:02:23.120Z"},{"error":"Error: spawn /Users/conroybrowne/.npm-global/lib/node_modules/@anthropic-ai/claude-code/vendor/ripgrep/arm64-darwin/rg EACCES\n    at ChildProcess._handle.onexit (node:internal/child_process:285:19)\n    at onErrorNT (node:intern…

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