feat: ota/gen-manifest.sh — CI构建时动态生成manifest.json

- gen-manifest.sh: 计算APK SHA256 → 填入版本号/URL → 生成manifest.json
- manifest.json本身不提交仓库(构建产物,上传到Release)
- README.md说明目录用途

ota/README.md

@@ -0,0 +1,14 @@
+# OTA 文件夹
+
+此目录存放 manifest 生成脚本。manifest.json 是 CI 构建时动态生成的产物，
+上传到 Gitea Release Assets，**不提交到仓库**。
+
+## 文件
+
+- `gen-manifest.sh` — 构建后运行，计算 APK SHA256 并生成 manifest.json
+
+## 流程
+
+```
+CI 构建 APK → ./ota/gen-manifest.sh → curl 上传 manifest.json 到 Release
+```

ota/gen-manifest.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+# OTA manifest 生成脚本
+# CI 构建时运行: ./ota/gen-manifest.sh <versionName> <versionCode> <apk-path>
+# 生成 manifest.json 后上传到 Gitea Release
+
+VERSION_NAME="${1:-0.1.0}"
+VERSION_CODE="${2:-7}"
+APK_PATH="${3:-packages/client-android/android/app/build/outputs/apk/debug/v0.1.0-dav-android-7-debug.apk}"
+RELEASE_TAG="v${VERSION_NAME}-dav-android-${VERSION_CODE}"
+APK_NAME="v${VERSION_NAME}-dav-android-${VERSION_CODE}-debug.apk"
+
+SHA256=$(sha256sum "$APK_PATH" | cut -d' ' -f1)
+SIZE=$(stat -c%s "$APK_PATH")
+
+cat > ota/manifest.json <<JSON
+{
+  "version": "${VERSION_NAME}",
+  "builds": {
+    "android": {
+      "type": "apk",
+      "tag": "${RELEASE_TAG}",
+      "url": "https://git.childish-ghost.com/LukeMackin/Yuzu-GCA/releases/download/${RELEASE_TAG}/${APK_NAME}",
+      "sha256": "${SHA256}",
+      "size": ${SIZE},
+      "channel": "stable",
+      "minVersion": "${VERSION_NAME}"
+    }
+  }
+}
+JSON
+
+echo "Generated: ota/manifest.json"
+echo "  tag:    ${RELEASE_TAG}"
+echo "  sha256: ${SHA256}"
+echo "  size:   ${SIZE}"
+echo ""
+echo "Upload: curl -X POST 'https://git.childish-ghost.com/api/v1/repos/LukeMackin/Yuzu-GCA/releases/\${RELEASE_ID}/assets?name=manifest.json' -H 'Authorization: token \$TOKEN' -H 'Content-Type: application/json' --data-binary @ota/manifest.json"