diff --git a/VERSION b/VERSION
index 5e57fb8..83cf0d9 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.29.0
+1.29.1
diff --git a/tests/Clean.Tests.ps1 b/tests/Clean.Tests.ps1
index ac625a2..4c6dbb3 100644
--- a/tests/Clean.Tests.ps1
+++ b/tests/Clean.Tests.ps1
@@ -107,6 +107,12 @@ Describe "Developer Tools Cleanup Module" {
             Get-Command Clear-GoCaches -ErrorAction SilentlyContinue | Should -Not -BeNullOrEmpty
         }
     }
+
+    Context "mise Cleanup" {
+        It "Should have mise cache cleanup function" {
+            Get-Command Clear-MiseCache -ErrorAction SilentlyContinue | Should -Not -BeNullOrEmpty
+        }
+    }
     
     Context "Rust Cleanup" {
         It "Should have Rust cache cleanup function" {
diff --git a/tests/Commands.Tests.ps1 b/tests/Commands.Tests.ps1
index 58b8dde..618aa3b 100644
--- a/tests/Commands.Tests.ps1
+++ b/tests/Commands.Tests.ps1
@@ -5,6 +5,7 @@ BeforeAll {
     # Get the windows directory path (tests are in windows/tests/)
     $script:WindowsDir = Split-Path -Parent $PSScriptRoot
     $script:BinDir = Join-Path $script:WindowsDir "bin"
+    $script:InstallScript = Join-Path $script:WindowsDir "install.ps1"
 }
 
 Describe "Clean Command" {
@@ -177,3 +178,41 @@ Describe "Main Entry Point" {
         }
     }
 }
+
+Describe "Installer Script" {
+    Context "Version Source" {
+        It "Should read the version from VERSION" {
+            $source = Get-Content $script:InstallScript -Raw
+            $source | Should -Match "version\.ps1"
+            $source | Should -Match "Get-MoleVersionString -RootDir \$script:SourceDir"
+        }
+    }
+
+    Context "Optional TUI Tools" {
+        It "Should downgrade TUI setup errors to warnings" {
+            $source = Get-Content $script:InstallScript -Raw
+            $source | Should -Match "Ensure-TuiBinary"
+            $source | Should -Match "Skipping .*non-fatal setup error"
+            $source | Should -Match "Could not prepare .*Install Go or wait for a Windows prerelease asset"
+        }
+    }
+}
+
+Describe "Source Install Hygiene" {
+    Context ".gitattributes" {
+        It "Should normalize tracked line endings for Windows source installs" {
+            $source = Get-Content (Join-Path $script:WindowsDir ".gitattributes") -Raw
+            $source | Should -Match '\* text=auto eol=lf'
+            $source | Should -Match '\*\.ps1 text eol=lf'
+            $source | Should -Match '\*\.cmd text eol=crlf'
+        }
+    }
+
+    Context ".gitignore" {
+        It "Should ignore generated launcher batch files" {
+            $source = Get-Content (Join-Path $script:WindowsDir ".gitignore") -Raw
+            $source | Should -Match '(?m)^mole\.cmd$'
+            $source | Should -Match '(?m)^mo\.cmd$'
+        }
+    }
+}
diff --git a/tests/Core.Tests.ps1 b/tests/Core.Tests.ps1
index 1eebc31..937b6f3 100644
--- a/tests/Core.Tests.ps1
+++ b/tests/Core.Tests.ps1
@@ -5,12 +5,15 @@ BeforeAll {
     # Get the windows directory path (tests are in windows/tests/)
     $script:WindowsDir = Split-Path -Parent $PSScriptRoot
     $script:LibDir = Join-Path $script:WindowsDir "lib"
+    $script:VersionFile = Join-Path $script:WindowsDir "VERSION"
 
     # Import core modules
     . "$script:LibDir\core\base.ps1"
     . "$script:LibDir\core\log.ps1"
     . "$script:LibDir\core\ui.ps1"
     . "$script:LibDir\core\file_ops.ps1"
+    . "$script:LibDir\core\version.ps1"
+    . "$script:LibDir\core\tui_binaries.ps1"
 }
 
 Describe "Base Module" {
@@ -240,3 +243,17 @@ Describe "UI Module" {
         }
     }
 }
+
+Describe "Version Helpers" {
+    Context "Shared VERSION Source" {
+        It "Should read the version from VERSION" {
+            $expected = (Get-Content $script:VersionFile -Raw).Trim()
+            Get-MoleVersionString -RootDir $script:WindowsDir | Should -Be $expected
+        }
+
+        It "Should keep TUI release lookup aligned with VERSION" {
+            $expected = (Get-Content $script:VersionFile -Raw).Trim()
+            Get-MoleVersionFromScriptFile -WindowsDir $script:WindowsDir | Should -Be $expected
+        }
+    }
+}