[Feature Request] Add project-level tasks folder configuration support

Bug Description
tasks 폴더를 프로젝트 단위로 설정하는 기능이 필요합니다.

Environment Info

• Platform: win32
• Terminal: windows-terminal
• Version: 2.1.19
• Feedback ID: cddf8b21-685b-4fd6-8c62-b081f0f17a5a

Errors

[{"error":"Error: ENOENT: no such file or directory, scandir 'C:\\ProgramData\\ClaudeCode\\.claude\\skills'\n    at readdirSync (unknown)\n    at <anonymous> (B:/~BUN/root/claude.exe:12:1903)\n    at cX (B:/~BUN/root/claude.exe:11:35427)\n    at readdirSync (B:/~BUN/root/claude.exe:12:1864)\n    at VJ$ (B:/~BUN/root/claude.exe:2213:380)\n    at VJ$ (B:/~BUN/root/claude.exe:2213:1350)\n    at <anonymous> (B:/~BUN/root/claude.exe:2213:4440)\n    at <anonymous> (B:/~BUN/root/claude.exe:2213:5171)\n    at A (B:/~BUN/root/claude.exe:11:7251)\n    at CTE (B:/~BUN/root/claude.exe:4860:4342)","timestamp":"2026-01-26T09:13:07.421Z"},{"error":"Error: ENOENT: no such file or directory, scandir 'C:\\Users\\singyujo\\.claude\\skills'\n    at readdirSync (unknown)\n    at <anonymous> (B:/~BUN/root/claude.exe:12:1903)\n    at cX (B:/~BUN/root/claude.exe:11:35427)\n    at readdirSync (B:/~BUN/root/claude.exe:12:1864)\n    at VJ$ (B:/~BUN/root/claude.exe:2213:380)\n    at VJ$ (B:/~BUN/root/claude.exe:2213:1350)\n    at <anonymous> (B:/~BUN/root/claude.exe:2213:4483)\n    at <anonymous> (B:/~BUN/root/claude.exe:2213:5171)\n    at A (B:/~BUN/root/claude.exe:11:7251)\n    at CTE (B:/~BUN/root/claude.exe:4860:4342)","timestamp":"2026-01-26T09:13:07.421Z"},{"error":"Error\n    at YS (B:/~BUN/root/claude.exe:42:1144)\n    at <anonymous> (B:/~BUN/root/claude.exe:47:10097)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:861:50)\n    at processTicksAndRejections (native:7:39)\n    at request (B:/~BUN/root/claude.exe:49:2149)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-01-27T01:29:47.266Z"},{"error":"Error: EPERM: operation not permitted, symlink 'C:\\Users\\singyujo\\.claude\\projects\\D--work-Sandbox-Gaudi\\b80fb8c9-4551-4d7a-bfe6-bc98af0d0a37\\subagents\\agent-a949c33.jsonl' -> 'C:\\Users\\singyujo\\AppData\\Local\\Temp\\claude\\D--work-Sandbox-Gaudi\\tasks\\a949c33.output'\n    at symlinkSync (unknown)\n    at VPH (B:/~BUN/root/claude.exe:1724:1154)\n    at JtD (B:/~BUN/root/claude.exe:1733:1324)\n    at <anonymous> (B:/~BUN/root/claude.exe:2094:824)\n    at <anonymous> (B:/~BUN/root/claude.exe:2094:1638)\n    at run (node:async_hooks:62:22)\n    at WGH (B:/~BUN/root/claude.exe:633:98022)\n    at call (B:/~BUN/root/claude.exe:2094:520)\n    at async y9E (B:/~BUN/root/claude.exe:2961:20041)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-01-27T01:31:25.667Z"},{"error":"Error: EPERM: operation not permitted, symlink 'C:\\Users\\singyujo\\.claude\\projects\\D--work-Sandbox-Gaudi\\b80fb8c9-4551-4d7a-bfe6-bc98af0d0a37\\subagents\\agent-abf491f.jsonl' -> 'C:\\Users\\singyujo\\AppData\\Local\\Temp\\claude\\D--work-Sandbox-Gaudi\\tasks\\abf491f.output'\n    at symlinkSync (unknown)\n    at VPH (B:/~BUN/root/claude.exe:1724:1154)\n    at JtD (B:/~BUN/root/claude.exe:1733:1324)\n    at <anonymous> (B:/~BUN/root/claude.exe:2094:824)\n    at <anonymous> (B:/~BUN/root/claude.exe:2094:1638)\n    at run (node:async_hooks:62:22)\n    at WGH (B:/~BUN/root/claude.exe:633:98022)\n    at call (B:/~BUN/root/claude.exe:2094:520)\n    at async y9E (B:/~BUN/root/claude.exe:2961:20041)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-01-27T01:42:12.379Z"}]