[Bug] Claude generates hallucinated content without grounding in provided context

Bug Description
Claude Code's output is very bad today. It lazily fabricates facts and events without grounding them in data. Just pulls them out of thin air.

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 2.1.132
• Feedback ID: 673ca893-b6be-4af5-a1bf-10d5ca81e1fa

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/stulentsev/.local/share/claude/versions/2.1.132 (expected in multi-process scenarios)\n    at I96 (/$bunfs/root/src/entrypoints/cli.js:2651:2257)\n    at ZRH (/$bunfs/root/src/entrypoints/cli.js:2651:1337)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-07T16:23:41.630Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server odin invalid: Missing environment variables: workspaceFolder\n    at VRH (/$bunfs/root/src/entrypoints/cli.js:2652:35738)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-07T16:23:41.649Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server github invalid: Missing environment variables: GITHUB_PERSONAL_ACCESS_TOKEN\n    at VRH (/$bunfs/root/src/entrypoints/cli.js:2652:35738)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-07T16:23:41.649Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server playwright-test invalid: Missing environment variables: workspaceFolder\n    at VRH (/$bunfs/root/src/entrypoints/cli.js:2652:35738)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-07T16:23:41.649Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server odin invalid: Missing environment variables: workspaceFolder\n    at VRH (/$bunfs/root/src/entrypoints/cli.js:2652:35738)\n    at async L (/$bunfs/root/src/entrypoints/cli.js:6382:11775)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-07T16:23:41.763Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server github invalid: Missing environment variables: GITHUB_PERSONAL_ACCESS_TOKEN\n    at VRH (/$bunfs/root/src/entrypoints/cli.js:2652:35738)\n    at async L (/$bunfs/root/src/entrypoints/cli.js:6382:11775)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-07T16:23:41.763Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server playwright-test invalid: Missing environment variables: workspaceFolder\n    at VRH (/$bunfs/root/src/entrypoints/cli.js:2652:35738)\n    at async L (/$bunfs/root/src/entrypoints/cli.js:6382:11775)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-07T16:23:41.763Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server odin invalid: Missing environment variables: workspaceFolder\n    at VRH (/$bunfs/root/src/entrypoints/cli.js:2652:35738)\n    at async N (/$bunfs/root/src/entrypoints/cli.js:6382:12661)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-07T16:23:41.763Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server github invalid: Missing environment variables: GITHUB_PERSONAL_ACCESS_TOKEN\n    at VRH (/$bunfs/root/src/entrypoints/cli.js:2652:35738)\n    at async N (/$bunfs/root/src/entrypoints/cli.js:6382:12661)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-07T16:23:41.763Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server playwright-test invalid: Missing environment variables: workspaceFolder\n    at VRH (/$bunfs/root/src/entrypoints/cli.js:2652:35738)\n    at async N (/$bunfs/root/src/entrypoints/cli.js:6382:12661)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-07T16:23:41.763Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server odin invalid: Missing environment variables: workspaceFolder\n    at VRH (/$bunfs/root/src/entrypoints/cli.js:2652:35738)\n    at async L (/$bunfs/root/src/entrypoints/cli.js:6382:11775)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-07T16:23:41.827Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server github invalid: Missing environment variables: GITHUB_PERSONAL_ACCESS_TOKEN\n    at VRH (/$bunfs/root/src/entrypoints/cli.js:2652:35738)\n    at async L (/$bunfs/root/src/entrypoints/cli.js:6382:11775)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-07T16:23:41.828Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server playwright-test invalid: Missing environment variables: workspaceFolder\n    at VRH (/$bunfs/root/src/entrypoints/cli.js:2652:35738)\n    at async L (/$bunfs/root/src/entrypoints/cli.js:6382:11775)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-07T16:23:41.828Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server odin invalid: Missing environment variables: workspaceFolder\n    at VRH (/…

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