feat: release v0.84.0 with full pending changes

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.github/workflows/ci.yml

@@ -0,0 +1,50 @@
+name: CI
+
+on:
+  pull_request:
+    paths:
+      - ".github/workflows/ci.yml"
+      - "src-tauri/**"
+      - "src-tauri/Cargo.lock"
+  push:
+    branches:
+      - main
+    paths:
+      - ".github/workflows/ci.yml"
+      - "src-tauri/**"
+      - "src-tauri/Cargo.lock"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+env:
+  CARGO_NET_RETRY: 10
+  RUSTUP_MAX_RETRIES: 10
+  CARGO_TERM_COLOR: always
+
+jobs:
+  windows-openclaw-regression:
+    name: Windows OpenClaw Regression
+    runs-on: windows-2022
+    timeout-minutes: 45
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: x86_64-pc-windows-msvc
+
+      - name: Setup Rust cache
+        uses: Swatinem/rust-cache@v2
+        with:
+          workspaces: src-tauri
+          shared-key: ci-windows-openclaw
+          cache-on-failure: true
+
+      - name: Run OpenClaw install regression tests
+        shell: pwsh
+        run: cargo test -p proxycast-core openclaw_install --manifest-path "src-tauri/Cargo.toml"