Scaffold ipswap: tray-driven Windows IP preset switcher

Implements the design in claude.md as a building skeleton: pure Go, no cgo, cross-compiles to a single Windows .exe from Linux. Architecture follows the spec's deliberate split. The fast path is native — tray icon, grouped submenus, a Win32 MessageBox showing a live before/after diff, then netsh. The slow path is an embedded web editor served on a random loopback port and opened in the default browser. Two decisions worth recording: Reads use GetAdaptersAddresses, writes use netsh. The spec left the enumeration mechanism open; parsing `netsh show config` breaks on a non-English Windows because the output is localised. DNS static-vs-DHCP origin is not exposed by that API, so it comes from one registry read. The netsh command plan is built in portable code. That puts the delete-every- existing-address step — the one that stops secondary addresses leaking across switches — under test without needing a Windows box. The editor requires the session token in a header for mutations, not just the cookie: any page in the browser can make it POST to 127.0.0.1 with the cookie attached, but it cannot set a header. The updater refuses to install a release that publishes no SHA256. Not yet done: no group picker for export (the API supports it), no single-instance guard, and internal/server/web/app.css is reconstructed from the description in claude.md rather than the canonical apointless.css. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-20 13:29:35 +10:00
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+{
+  "version": 1,
+  "presets": [
+    {
+      "id": "0198f2a1c4d07f3b2e5a9c81",
+      "name": "Artist frame — control",
+      "group": "Riedel",
+      "adapter": "Ethernet",
+      "mode": "static",
+      "primary": {
+        "address": "192.168.42.100",
+        "prefix": 24,
+        "gateway": "192.168.42.1"
+      },
+      "secondary": [
+        { "address": "10.0.10.50", "prefix": 24 }
+      ],
+      "dns": {
+        "mode": "static",
+        "servers": ["192.168.42.1", "1.1.1.1"]
+      },
+      "notes": "Frame A, rack 3"
+    },
+    {
+      "id": "0198f2a1c4d17a9e4b02d135",
+      "name": "Artist frame — media",
+      "group": "Riedel",
+      "adapter": "Ethernet",
+      "mode": "static",
+      "primary": {
+        "address": "10.20.0.100",
+        "prefix": 16
+      },
+      "dns": { "mode": "dhcp" },
+      "notes": "No gateway: media VLAN is deliberately non-routed"
+    },
+    {
+      "id": "0198f2a1c4d2b60c7f318ea4",
+      "name": "Management VLAN",
+      "group": "Herespace",
+      "adapter": "Ethernet",
+      "mode": "static",
+      "primary": {
+        "address": "172.16.5.200",
+        "prefix": 24,
+        "gateway": "172.16.5.1",
+        "gateway_metric": 10
+      },
+      "dns": {
+        "mode": "static",
+        "servers": ["172.16.5.10"]
+      }
+    },
+    {
+      "id": "0198f2a1c4d3e8175c60ba92",
+      "name": "DHCP",
+      "group": "General",
+      "adapter": "Ethernet",
+      "mode": "dhcp",
+      "dns": { "mode": "dhcp" }
+    },
+    {
+      "id": "0198f2a1c4d4fa38096c2d7e",
+      "name": "Wi-Fi — DHCP",
+      "group": "General",
+      "adapter": "Wi-Fi",
+      "mode": "dhcp",
+      "dns": { "mode": "dhcp" },
+      "notes": "Wi-Fi adapters are treated identically to wired ones"
+    }
+  ]
+}