fix: persist studio home path across server restarts

studio/backend/utils/paths/storage_roots.py

@@ -9,9 +9,15 @@ import tempfile
 
 
 def studio_root() -> Path:
+    """Studio root: env var > config file > default."""
     custom = os.environ.get("UNSLOTH_STUDIO_HOME")
     if custom:
         return Path(custom).expanduser().resolve()
+    conf = Path.home() / ".unsloth" / "studio_home"
+    if conf.is_file():
+        saved = conf.read_text().strip()
+        if saved:
+            return Path(saved).expanduser().resolve()
     return Path.home() / ".unsloth" / "studio"
 
 

studio/setup.ps1

@@ -968,6 +968,10 @@ Write-Host "[OK] Using $PythonCmd ($(& $PythonCmd --version 2>&1))" -ForegroundC
 
 # ── Studio home (configurable via UNSLOTH_STUDIO_HOME) ──
 $StudioHome = if ($env:UNSLOTH_STUDIO_HOME) { $env:UNSLOTH_STUDIO_HOME } else { Join-Path $env:USERPROFILE ".unsloth\studio" }
+# Persist for future `unsloth studio` runs (survives shell restarts)
+$UnslothDir = Join-Path $env:USERPROFILE ".unsloth"
+if (-not (Test-Path $UnslothDir)) { New-Item -ItemType Directory -Path $UnslothDir -Force | Out-Null }
+Set-Content -Path (Join-Path $UnslothDir "studio_home") -Value $StudioHome -NoNewline
 
 $VenvDir = Join-Path $StudioHome ".venv"
 if (-not (Test-Path $VenvDir)) {

unsloth_cli/commands/studio.py

@@ -14,10 +14,15 @@ studio_app = typer.Typer(help = "Unsloth Studio commands.")
 
 
 def _studio_home() -> Path:
-    """Studio root, overridable via UNSLOTH_STUDIO_HOME."""
+    """Studio root: env var > config file > default."""
     custom = os.environ.get("UNSLOTH_STUDIO_HOME")
     if custom:
         return Path(custom).expanduser().resolve()
+    conf = Path.home() / ".unsloth" / "studio_home"
+    if conf.is_file():
+        saved = conf.read_text().strip()
+        if saved:
+            return Path(saved).expanduser().resolve()
     return Path.home() / ".unsloth" / "studio"
 
 # __file__ is unsloth_cli/commands/studio.py -- two parents up is the package root