diff --git a/.claude/settings.local.json b/.claude/settings.local.json
deleted file mode 100644
index 71fae71..0000000
--- a/.claude/settings.local.json
+++ /dev/null
@@ -1,62 +0,0 @@
-{
-  "permissions": {
-    "allow": [
-      "Bash(cargo check)",
-      "Bash(rustc --version)",
-      "Bash(cargo tree -p axum)",
-      "Bash(cargo build)",
-      "Bash(taskkill /IM groupchat-server.exe /F)",
-      "Bash(powershell -Command \"Stop-Process -Name groupchat-server -Force -ErrorAction SilentlyContinue; Start-Sleep -Seconds 1; Write-Host ''Done''\")",
-      "Bash(powershell -Command \"Start-Process -FilePath ''cargo'' -ArgumentList ''run'' -WorkingDirectory \\(Get-Location\\) -WindowStyle Hidden\")",
-      "Bash(powershell -Command \"Start-Sleep -Seconds 3; Test-NetConnection -ComputerName localhost -Port 3001 -WarningAction SilentlyContinue | Select-Object TcpTestSucceeded\")",
-      "Bash(powershell -Command \"try { $r = Invoke-WebRequest -Uri ''http://localhost:3001/api/rooms'' -Method GET -Headers @{''Content-Type''=''application/json''} -ErrorAction Stop; Write-Host ''Status:'' $r.StatusCode } catch { Write-Host ''Error:'' $_Exception.Message }\")",
-      "Bash(curl -s -o /dev/null -w \"%{http_code}\" http://localhost:3001/api/rooms)",
-      "Bash(powershell -Command \"Stop-Process -Name groupchat-server -Force -ErrorAction SilentlyContinue; Stop-Process -Name cargo -Force -ErrorAction SilentlyContinue; Start-Sleep -Seconds 1; Write-Host ''Stopped''\")",
-      "Bash(powershell -Command \"Start-Process -FilePath ''./target/debug/groupchat-server.exe'' -WorkingDirectory \\(Get-Location\\) -NoNewWindow -PassThru | Select-Object Id\")",
-      "Bash(curl -s -w \"\\\\nHTTP %{http_code}\" http://localhost:3001/api/rooms)",
-      "Bash(powershell -Command \"Stop-Process -Name groupchat-server -Force -ErrorAction SilentlyContinue; Start-Sleep -Seconds 1; Write-Host ''Killed''\")",
-      "Bash(powershell -Command \"Get-Process -Name groupchat-server -ErrorAction SilentlyContinue | Select-Object Id, ProcessName\")",
-      "Bash(powershell -Command \"Stop-Process -Name groupchat-server -Force -ErrorAction SilentlyContinue; Write-Host ''Server stopped''\")",
-      "Bash(powershell -Command \"Get-NetTCPConnection -LocalPort 3001 -ErrorAction SilentlyContinue | Select-Object OwningProcess; Get-NetTCPConnection -LocalPort 5173 -ErrorAction SilentlyContinue | Select-Object OwningProcess\")",
-      "Bash(powershell -Command \"Set-Location ''Z:\\\\Projects\\\\Hot\\\\Duke\\\\GroupChat2\\\\server''; cargo build 2>&1\")",
-      "WebFetch(domain:openrouter.ai)",
-      "Bash(powershell -Command \"Stop-Process -Name groupchat-server -Force -ErrorAction SilentlyContinue; Start-Sleep -Seconds 1; Set-Location ''Z:\\\\Projects\\\\Hot\\\\Duke\\\\GroupChat2\\\\server''; cargo build 2>&1\")",
-      "Bash(taskkill /F /IM groupchat-server.exe)",
-      "mcp__Desktop_Commander__read_file",
-      "WebFetch(domain:emschwartz.me)",
-      "WebFetch(domain:github.com)",
-      "WebFetch(domain:api.search.brave.com)",
-      "WebFetch(domain:pypi.org)",
-      "WebFetch(domain:api-dashboard.search.brave.com)",
-      "WebFetch(domain:community.brave.app)",
-      "Bash(powershell -Command \"Get-Process groupchat-server -ErrorAction SilentlyContinue | Stop-Process -Force; Start-Sleep -Seconds 2; Write-Output ''Killed''\")",
-      "Bash(powershell -Command \"Get-Process groupchat-server -ErrorAction SilentlyContinue | Stop-Process -Force; Start-Sleep -Seconds 1; Write-Output ''Killed''\")",
-      "Bash(cargo run)",
-      "Bash(timeout 15)",
-      "Bash(powershell -Command \"Get-Process groupchat-server -ErrorAction SilentlyContinue | Stop-Process -Force; Write-Output ''Killed''\")",
-      "Bash(powershell -Command \"Get-Process groupchat-server -ErrorAction SilentlyContinue | Stop-Process -Force -ErrorAction SilentlyContinue; Start-Sleep -Seconds 2; Set-Location ''Z:\\\\Projects\\\\Hot\\\\Duke\\\\GroupChat2\\\\server''; cargo build 2>&1\")",
-      "Bash(git init)",
-      "Bash(git add -A)",
-      "Bash(git commit:*)",
-      "Bash(git branch stream)",
-      "Bash(git checkout stream)",
-      "Bash(powershell -Command \"cd ''Z:\\\\Projects\\\\Hot\\\\Duke\\\\GroupChat2\\\\server''; Get-Process groupchat-server -ErrorAction SilentlyContinue | Stop-Process -Force; cargo build 2>&1\")",
-      "Bash(powershell -Command \"cd ''Z:\\\\Projects\\\\Hot\\\\Duke\\\\GroupChat2\\\\server''; cargo build 2>&1\")",
-      "Bash(powershell -Command \"Get-Process groupchat-server -ErrorAction SilentlyContinue | Select-Object Id, ProcessName\")",
-      "Bash(powershell -Command \"cd ''Z:\\\\Projects\\\\Hot\\\\Duke\\\\GroupChat2\\\\server''; cargo build 2>&1; Get-Process groupchat-server -ErrorAction SilentlyContinue | Stop-Process -Force; Start-Sleep -Seconds 1; Start-Process -FilePath ''.\\\\target\\\\debug\\\\groupchat-server.exe'' -WindowStyle Hidden; Start-Sleep -Seconds 2; Get-Process groupchat-server -ErrorAction SilentlyContinue | Select-Object Id\")",
-      "Bash(powershell -Command \"try { $r = Invoke-WebRequest -Uri ''http://localhost:3001/api/models'' -TimeoutSec 5 -ErrorAction Stop; $r.StatusCode } catch { $_Exception.Message }\")",
-      "Bash(powershell -Command \"Get-Process groupchat-server -ErrorAction SilentlyContinue | Stop-Process -Force\")",
-      "Bash(powershell -Command \"Start-Process -FilePath ''.\\\\target\\\\debug\\\\groupchat-server.exe'' -WindowStyle Hidden\")",
-      "Bash(npm run build)",
-      "Bash(git add client/src/components/app.riot client/src/components/chat-room.riot client/src/components/message-bubble.riot client/src/services/stream-buffer.js server/src/handlers/ws.rs server/src/main.rs server/src/models/mod.rs server/src/services/openrouter.rs)",
-      "Bash(taskkill /F /IM server.exe)",
-      "Bash(timeout /t 2 /nobreak)",
-      "Bash(curl -s http://localhost:3001/api/auth/me -H \"Authorization: Bearer test\")",
-      "Bash(git add server/migrations/004_ai_name.sql server/src/main.rs server/src/models/mod.rs server/src/handlers/rooms.rs server/src/handlers/ws.rs server/src/handlers/invites.rs client/src/components/app.riot client/src/components/chat-room.riot client/src/components/create-room-modal.riot client/src/components/message-bubble.riot)",
-      "WebFetch(domain:api.dicebear.com)",
-      "mcp__Desktop_Commander__list_sessions",
-      "mcp__Desktop_Commander__write_file",
-      "Bash(git checkout -b CAN)"
-    ]
-  }
-}
diff --git a/.gitignore b/.gitignore
index f4670a6..1b73836 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,6 +20,9 @@ client/dist/
 .env
 server/.env
 
+# Claude Code (machine-specific)
+.claude/settings.local.json
+
 # IDE
 .vscode/
 .idea/