Initial commit: X-Plane G1000 web cockpit + bridge + Tauri desktop app

- server/: Node bridge (datarefs/commands, navdata, CIFP procedures, flight plan)
- web/: React cockpit (PFD/MFD/Map, VFR six-pack, AFCS, FMS CDU), PWA, collapsible sidebar
- desktop/: Tauri 2 launcher (Bun sidecar, system tray, updater) + Linux build via Docker
- scripts/: prep-desktop, build-linux, Gitea release + latest.json

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

desktop/src-tauri/capabilities/default.json

@@ -0,0 +1,22 @@
+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "default",
+  "description": "Capabilities for the control panel window",
+  "windows": ["main"],
+  "permissions": [
+    "core:default",
+    "core:event:default",
+    "core:window:allow-start-dragging",
+    {
+      "identifier": "shell:allow-execute",
+      "allow": [{ "name": "binaries/xpbridge", "sidecar": true, "args": true }]
+    },
+    "shell:allow-spawn",
+    "shell:allow-kill",
+    "dialog:allow-open",
+    "opener:allow-open-url",
+    "updater:default",
+    "process:allow-restart",
+    "clipboard-manager:allow-write-text"
+  ]
+}