opencode: add web service configuration

Add configuration options for the opencode web service including host,
port, mDNS, logging, and CORS settings. Implement systemd user service
to run the web server with configurable parameters.

tests/modules/programs/opencode/default.nix

@@ -23,4 +23,5 @@
   opencode-themes-bulk-directory = ./themes-bulk-directory.nix;
   opencode-mcp-integration = ./mcp-integration.nix;
   opencode-mcp-integration-with-override = ./mcp-integration-with-override.nix;
+  opencode-web-service = ./web-service.nix;
 }

tests/modules/programs/opencode/web-service.nix

@@ -0,0 +1,41 @@
+{
+  pkgs,
+  ...
+}:
+{
+  programs.opencode = {
+    enable = true;
+
+    web = {
+      enable = true;
+      extraArgs = [
+        "--hostname"
+        "0.0.0.0"
+        "--port"
+        "4096"
+        "--mdns"
+        "--cors"
+        "https://example.com"
+        "--cors"
+        "http://localhost:3000"
+        "--print-logs"
+        "--log-level"
+        "DEBUG"
+      ];
+    };
+  };
+
+  nmt.script =
+    if pkgs.stdenv.hostPlatform.isDarwin then
+      ''
+        serviceFile=LaunchAgents/org.nix-community.home.opencode-web.plist
+        assertFileExists "$serviceFile"
+        assertFileContent "$serviceFile" ${./web-service.plist}
+      ''
+    else
+      ''
+        serviceFile=home-files/.config/systemd/user/opencode-web.service
+        assertFileExists "$serviceFile"
+        assertFileContent "$serviceFile" ${./web-service.service}
+      '';
+}

tests/modules/programs/opencode/web-service.plist

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>KeepAlive</key>
+	<dict>
+		<key>Crashed</key>
+		<true/>
+		<key>SuccessfulExit</key>
+		<false/>
+	</dict>
+	<key>Label</key>
+	<string>org.nix-community.home.opencode-web</string>
+	<key>ProcessType</key>
+	<string>Background</string>
+	<key>ProgramArguments</key>
+	<array>
+		<string>@opencode@/bin/opencode</string>
+		<string>web</string>
+		<string>--hostname</string>
+		<string>0.0.0.0</string>
+		<string>--port</string>
+		<string>4096</string>
+		<string>--mdns</string>
+		<string>--cors</string>
+		<string>https://example.com</string>
+		<string>--cors</string>
+		<string>http://localhost:3000</string>
+		<string>--print-logs</string>
+		<string>--log-level</string>
+		<string>DEBUG</string>
+	</array>
+	<key>RunAtLoad</key>
+	<true/>
+</dict>
+</plist>

tests/modules/programs/opencode/web-service.service

@@ -0,0 +1,11 @@
+[Install]
+WantedBy=default.target
+
+[Service]
+ExecStart=@opencode@/bin/opencode web --hostname 0.0.0.0 --port 4096 --mdns --cors https://example.com --cors http://localhost:3000 --print-logs --log-level DEBUG
+Restart=always
+RestartSec=5
+
+[Unit]
+After=network.target
+Description=OpenCode Web Service