ci: add Forgejo Actions release workflow

Builds Windows/macOS-arm64/macOS-amd64/Linux on every v* tag push.
Requires FORGEJO_TOKEN secret in repo settings.

.forgejo/workflows/release.yml

@@ -0,0 +1,96 @@
+name: Build and Release Ody Agent
+
+on:
+  push:
+    tags:
+      - 'v*'
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version tag (e.g. v1.0.0)'
+        required: false
+        default: 'dev'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.22'
+
+      - name: Set version
+        id: version
+        run: |
+          if [ "${{ github.event_name }}" = "push" ]; then
+            echo "VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
+          else
+            echo "VERSION=${{ github.event.inputs.version }}" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Build Windows
+        working-directory: ody-agent
+        run: |
+          GOOS=windows GOARCH=amd64 CGO_ENABLED=0 \
+            go build \
+            -ldflags "-s -w -H=windowsgui -X main.defaultServer=https://425.today" \
+            -o ../dist/ody-agent-win.exe .
+
+      - name: Build macOS (Apple Silicon)
+        working-directory: ody-agent
+        run: |
+          GOOS=darwin GOARCH=arm64 CGO_ENABLED=0 \
+            go build \
+            -ldflags "-s -w -X main.defaultServer=https://425.today" \
+            -o ../dist/ody-agent-mac-arm64 .
+
+      - name: Build macOS (Intel)
+        working-directory: ody-agent
+        run: |
+          GOOS=darwin GOARCH=amd64 CGO_ENABLED=0 \
+            go build \
+            -ldflags "-s -w -X main.defaultServer=https://425.today" \
+            -o ../dist/ody-agent-mac-amd64 .
+
+      - name: Build Linux
+        working-directory: ody-agent
+        run: |
+          GOOS=linux GOARCH=amd64 CGO_ENABLED=0 \
+            go build \
+            -ldflags "-s -w -X main.defaultServer=https://425.today" \
+            -o ../dist/ody-agent-linux .
+
+      - name: List artifacts
+        run: ls -lh dist/
+
+      - name: Create release
+        uses: actions/gitea-release@v1
+        with:
+          token: ${{ secrets.FORGEJO_TOKEN }}
+          tag_name: ${{ steps.version.outputs.VERSION }}
+          release_name: "Ody Agent ${{ steps.version.outputs.VERSION }}"
+          body: |
+            ## Ody Agent ${{ steps.version.outputs.VERSION }}
+
+            Desktop agent for WellSpr.ing / NNN.today merchants.
+
+            ### Downloads
+            | Platform | File |
+            |----------|------|
+            | Windows (64-bit) | `ody-agent-win.exe` |
+            | macOS Apple Silicon | `ody-agent-mac-arm64` |
+            | macOS Intel | `ody-agent-mac-amd64` |
+            | Linux (64-bit) | `ody-agent-linux` |
+
+            ### Quick setup
+            1. Download the binary for your platform
+            2. Get your `config.env` from the merchant dashboard → AI Agent tab
+            3. Place both files in the same folder and run the agent
+          files: |
+            dist/ody-agent-win.exe
+            dist/ody-agent-mac-arm64
+            dist/ody-agent-mac-amd64
+            dist/ody-agent-linux