Add uninstall-specific functions and update Windows installer details

.github/workflows/package-win.yml

@@ -165,9 +165,57 @@ jobs:
               Pop $R1
               Exch $R0
           FunctionEnd
-          
+
+          ; --- Uninstall-Specific Functions ---
+          !macro un.StrRep ResultVar String SubString RepString
+            Push "${String}"
+            Push "${SubString}"
+            Push "${RepString}"
+            Call un.StrRep
+            Pop "${ResultVar}"
+          !macroend
+
+          Function un.StrRep
+            Exch $R2
+            Exch
+            Exch $R1
+            Exch
+            Exch $R0
+            Push $R3
+            Push $R4
+            Push $R5
+            Push $R6
+            Push $R7
+            StrCpy $R3 0
+            StrLen $R4 $R1
+            StrLen $R6 $R0
+            Start:
+              StrCpy $R5 $R0 $R4 $R3
+              StrCmp $R5 $R1 Found
+              IntOp $R3 $R3 + 1
+              IntCmp $R3 $R6 End End Start
+            Found:
+              StrCpy $R5 $R0 $R3
+              IntOp $R7 $R3 + $R4
+              StrCpy $R7 $R0 "" $R7
+              StrCpy $R0 "$R5$R2$R7"
+              StrLen $R6 $R0
+              IntOp $R3 $R3 + $R4
+              Goto Start
+            End:
+              Pop $R7
+              Pop $R6
+              Pop $R5
+              Pop $R4
+              Pop $R3
+              Pop $R2
+              Pop $R1
+              Exch $R0
+          FunctionEnd
+
           !define StrContains `!insertmacro StrContains`
           !define StrRep `!insertmacro StrRep`
+          !define un.StrRep `!insertmacro un.StrRep`
 
           ; --- Main Script ---
           Name "Mikusays"
@@ -224,9 +272,9 @@ jobs:
 
               ; Remove from PATH (Simple String Replacement)
               ReadRegStr $0 HKCU "Environment" "Path"
-              ${StrRep} $0 "$0" ";$INSTDIR" "" 
-              ${StrRep} $0 "$0" "$INSTDIR;" "" 
-              ${StrRep} $0 "$0" "$INSTDIR" "" 
+              ${un.StrRep} $0 "$0" ";$INSTDIR" ""
+              ${un.StrRep} $0 "$0" "$INSTDIR;" ""
+              ${un.StrRep} $0 "$0" "$INSTDIR" ""
               WriteRegExpandStr HKCU "Environment" "Path" "$0"
               SendMessage ${HWND_BROADCAST} ${WM_SETTINGCHANGE} 0 "STR:Environment" /TIMEOUT=5000
           SectionEnd

.github/workflows/release.yml

@@ -154,7 +154,10 @@ jobs:
           ### Windows
           - **x64**: `mikusays-windows-x86_64.exe`
           - **ARM64**: `mikusays-windows-aarch64.exe`
-          
+
+          ### Windows Installer
+          - **Any**: `mikusays-windows-inst-any.exe`
+
           ### Linux (binary)
           - **x64**: `mikusays-linux-x64`
           - **ARM64**: `mikusays-linux-arm64`