fix: enable manual workflow_dispatch trigger in Gitea

- Add inputs block to workflow_dispatch so Gitea shows the Run button
- Skip version bump on manual triggers to allow redeployment without bumping
- Fall back to VERSION file for APP_VERSION on manual runs

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitea/workflows/deploy.yml

@@ -5,6 +5,11 @@ on:
     branches:
       - main
   workflow_dispatch:
+    inputs:
+      reason:
+        description: "Reason for manual deploy"
+        required: false
+        default: "manual"
 
 env:
   COMPOSE_PROJECT: outline-sync
@@ -20,6 +25,7 @@ jobs:
           token: ${{ secrets.GITEA_TOKEN }}
 
       - name: Bump patch version
+        if: github.event_name != 'workflow_dispatch'
         run: |
           VERSION=$(cat VERSION)
           MAJOR=$(echo $VERSION | cut -d. -f1)
@@ -44,8 +50,9 @@ jobs:
 
       - name: Deploy with docker compose
         run: |
-          echo "=== Deploying ${{ env.APP_VERSION }} (commit ${{ gitea.sha }}) to ${{ gitea.ref_name }} ==="
-          docker compose -f "$COMPOSE_FILE" -p "$COMPOSE_PROJECT" build --build-arg APP_VERSION=${{ env.APP_VERSION }}
+          APP_VERSION=${APP_VERSION:-$(cat VERSION)}
+          echo "=== Deploying $APP_VERSION (commit ${{ gitea.sha }}) to ${{ gitea.ref_name }} ==="
+          docker compose -f "$COMPOSE_FILE" -p "$COMPOSE_PROJECT" build --build-arg APP_VERSION=$APP_VERSION
           docker compose -f "$COMPOSE_FILE" -p "$COMPOSE_PROJECT" up -d --remove-orphans
 
       - name: Prune dangling images