Add README, plugin citations, and multi-platform release CI.

Ship screenshots and third-party notices for the desktop shell, and
package Windows, macOS, deb, rpm, and Flatpak from GitHub Releases.

Co-authored-by: Cursor <cursoragent@cursor.com>

src-tauri/tauri.conf.json

@@ -0,0 +1,71 @@
+{
+  "$schema": "https://schema.tauri.app/config/2",
+  "productName": "DeepSeek Harness",
+  "version": "0.1.0",
+  "identifier": "io.github.tommyfang.DshDesktop",
+  "build": {
+    "frontendDist": "../ui"
+  },
+  "app": {
+    "withGlobalTauri": true,
+    "enableGTKAppId": true,
+    "macOSPrivateApi": false,
+    "windows": [],
+    "security": {
+      "csp": null
+    }
+  },
+  "bundle": {
+    "active": true,
+    "targets": ["deb", "rpm", "nsis", "msi", "app", "dmg"],
+    "publisher": "TommyFang2077",
+    "homepage": "https://github.com/TommyFang2077/dsh-desktop",
+    "copyright": "Copyright © 2026 TommyFang2077",
+    "category": "DeveloperTool",
+    "shortDescription": "Desktop shell for DeepSeek Harness",
+    "longDescription": "Runs the official DeepSeek Harness (dsh) WebUI in a native window. Starts dsh web, embeds the UI with the system WebView, and ships ModLens plus Anchored Standard presets. Credentials stay in ~/.dsh.",
+    "licenseFile": "../LICENSE",
+    "icon": [
+      "icons/32x32.png",
+      "icons/64x64.png",
+      "icons/128x128.png",
+      "icons/128x128@2x.png",
+      "icons/icon.png",
+      "icons/icon.icns",
+      "icons/icon.ico"
+    ],
+    "resources": [
+      "../plugins/dsh-desktop-vision/",
+      "../vendor/modlens/",
+      "../vendor/anchored-standard/",
+      "../vendor/zero-anchored-standard/"
+    ],
+    "linux": {
+      "deb": {
+        "section": "devel",
+        "desktopTemplate": "linux/dsh-desktop.desktop"
+      },
+      "rpm": {
+        "release": "1",
+        "desktopTemplate": "linux/dsh-desktop.desktop"
+      }
+    },
+    "windows": {
+      "nsis": {
+        "installMode": "currentUser",
+        "displayLanguageSelector": true,
+        "languages": ["SimpChinese", "English"]
+      },
+      "webviewInstallMode": {
+        "type": "downloadBootstrapper"
+      }
+    },
+    "macOS": {
+      "minimumSystemVersion": "10.15",
+      "dmg": {
+        "appPosition": { "x": 180, "y": 170 },
+        "applicationFolderPosition": { "x": 480, "y": 170 }
+      }
+    }
+  }
+}