chore(ci): add workflow_dispatch for manual release tagging

.gitea/workflows/release.yml

@@ -4,6 +4,11 @@ on:
   push:
     tags:
       - 'v*'
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Tag to release (e.g. v1.2.3)'
+        required: true
 
 jobs:
   test:
@@ -35,7 +40,7 @@ jobs:
 
       - name: Build release binaries
         run: |
-          VERSION="${GITHUB_REF_NAME}"
+          VERSION="${{ github.event.inputs.tag || github.ref_name }}"
           for target in "linux/amd64" "linux/arm64" "darwin/amd64" "darwin/arm64" "windows/amd64"; do
             GOOS="${target%/*}"
             GOARCH="${target#*/}"
@@ -50,7 +55,7 @@ jobs:
 
       - name: Create release and upload assets
         run: |
-          TAG="${GITHUB_REF_NAME}"
+          TAG="${{ github.event.inputs.tag || github.ref_name }}"
           API="${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}/releases"
 
           RELEASE=$(curl -s -X POST "$API" \