fix(ci): normalize manual release version input

Iteration 1: Addresses CI config failure in Release workflow_dispatch

- Accept both v-prefixed and plain semver manual version inputs
- Normalize manual input to v-prefixed tag before release steps

Author: MasuRii

.github/workflows/release.yml

@@ -20,7 +20,7 @@ on:
   workflow_dispatch:
     inputs:
       version:
-        description: 'Version to release (e.g., v4.0.6)'
+        description: 'Version to release (e.g., v4.0.6 or 4.0.6)'
         required: true
         type: string
 
@@ -48,9 +48,16 @@ jobs:
       - name: Validate version format (manual trigger)
         if: github.event_name == 'workflow_dispatch'
         run: |
-          VERSION="${{ github.event.inputs.version }}"
+          VERSION_RAW="${{ github.event.inputs.version }}"
+
+          if [[ "$VERSION_RAW" =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?$ ]]; then
+            VERSION="v$VERSION_RAW"
+          else
+            VERSION="$VERSION_RAW"
+          fi
+
           if [[ ! "$VERSION" =~ ^v[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?$ ]]; then
-            echo "::error::Invalid version format '$VERSION'. Expected format: v1.2.3 or v1.2.3-beta.1"
+            echo "::error::Invalid version format '$VERSION_RAW'. Expected format: v1.2.3, 1.2.3, or pre-release variants like v1.2.3-beta.1"
             exit 1
           fi
           echo "Version format validated: $VERSION"
@@ -67,7 +74,12 @@ jobs:
         id: version
         run: |
           if [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
-            VERSION="${{ github.event.inputs.version }}"
+            VERSION_RAW="${{ github.event.inputs.version }}"
+            if [[ "$VERSION_RAW" =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?$ ]]; then
+              VERSION="v$VERSION_RAW"
+            else
+              VERSION="$VERSION_RAW"
+            fi
           else
             VERSION="${GITHUB_REF#refs/tags/}"
           fi