[Bug] Claude overestimates task duration and suggests unrealistic timelines

Bug Description
Claude keeps thinking it needs several weeks to work on something, forogetting its an ai and can solve the problem in an hour ..

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 2.0.31
• Feedback ID:

Errors

[{"error":"AxiosError: Request failed with status code 401\n    at uR (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:25:1136)\n    at IncomingMessage.<anonymous> (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:30:9845)\n    at IncomingMessage.emit (node:events:530:35)\n    at IncomingMessage.emit (node:domain:489:12)\n    at endReadableNT (node:internal/streams/readable:1698:12)\n    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)\n    at m7A.request (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:32:2129)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async rp2 (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3623:15232)","timestamp":"2025-11-01T21:46:57.147Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n    at Module.readFileSync (node:fs:441:20)\n    at Object.readFileSync (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:9:299)\n    at Ac2 (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3616:956)\n    at Object.call (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:3441:1247)\n    at call.next (<anonymous>)\n    at Zb5 (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2743:70234)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async AA1 (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2743:67291)\n    at async file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2743:66460\n    at async _gA (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:727:1719)","timestamp":"2025-11-01T21:51:12.006Z"},{"error":"Error: Agent type 'swift-pro' not found. Available agents: general-purpose, statusline-setup, Explore, Plan, quant-analyst, devops-troubleshooter, cpp-pro, debugger, seo-meta-optimizer, api-documenter, performance-engineer, legacy-modernizer, golang-pro, docs-architect, test-automator, ml-engineer, hybrid-cloud-architect, ruby-pro, seo-structure-architect, kubernetes-architect, prompt-engineer, java-pro, terraform-specialist, ios-developer, code-reviewer, backend-architect, reference-builder, seo-authority-builder, sales-automator, customer-support, cloud-architect, security-auditor, sql-pro, business-analyst, data-scientist, context-manager, content-marketer, seo-content-writer, architect-reviewer, ai-engineer, flutter-expert, seo-content-planner, database-optimizer, legal-advisor, search-specialist, seo-keyword-strategist, tutorial-engineer, error-detective, mlops-engineer, database-admin, seo-content-refresher, rust-pro, risk-manager, seo-cannibalization-detector, minecraft-bukkit-pro, seo-content-auditor, frontend-developer, csharp-pro, mobile-developer, network-engineer, graphql-architect, seo-snippet-hunter, typescript-pro, c-pro, hr-pro, data-engineer, mermaid-expert, payment-integration, deployment-engineer, elixir-pro, incident-responder, unity-developer, php-pro, javascript-pro, scala-pro, dx-optimizer, ui-ux-designer, python-pro\n    at Object.call (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2916:7808)\n    at call.next (<anonymous>)\n    at Zb5 (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2743:70234)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async AA1 (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2743:67291)\n    at async file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2743:66460\n    at async _gA (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:727:1719)\n    at async Gb5 (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2743:66372)\n    at async Bb5 (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2743:65360)\n    at async RS (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2743:62220)","timestamp":"2025-11-01T22:37:46.186Z"},{"error":"Error: File has been unexpectedly modified. Read it again before attempting to write it.\n    at Object.call (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1423:754)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async Zb5 (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2743:70234)\n    at async AA1 (file:///Users/sebasvisser/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js

Note: Error logs were truncated.