feat(release): add version override input to release workflow

Allow specifying an explicit version when triggering the release workflow,
useful for retrying a half-failed publish where some packages were already
published with the auto-computed version.

Author: fengmk2

.github/workflows/release.yml

@@ -11,6 +11,11 @@ on:
         options:
           - latest
           - alpha
+      version:
+        description: 'Override version (leave empty to auto-compute). Use when retrying a failed publish.'
+        required: false
+        default: ''
+        type: string
 
 permissions: {}
 
@@ -31,11 +36,21 @@ jobs:
         with:
           fetch-depth: 0
           fetch-tags: true
+      - name: Use override version
+        if: ${{ inputs.version != '' }}
+        id: override
+        run: echo "version=${{ inputs.version }}" >> $GITHUB_OUTPUT
+
       - uses: ./.github/actions/set-snapshot-version
-        id: version
+        if: ${{ inputs.version == '' }}
+        id: computed
         with:
           npm_tag: ${{ inputs.npm_tag }}
 
+      - name: Set final version
+        id: version
+        run: echo "version=${{ inputs.version != '' && steps.override.outputs.version || steps.computed.outputs.version }}" >> $GITHUB_OUTPUT
+
   build-rust:
     runs-on: ${{ matrix.settings.os }}
     needs: prepare