feat: add default nordvpn credential paths

skills/nordvpn-client/SKILL.md

@@ -59,6 +59,11 @@ Optional credential file env vars:
 - `NORDVPN_TOKEN_FILE`
 - `NORDVPN_PASSWORD_FILE`
 
+Default OpenClaw credential paths:
+
+- token: `~/.openclaw/workspace/.clawdbot/credentials/nordvpn/token.txt`
+- password: `~/.openclaw/workspace/.clawdbot/credentials/nordvpn/password.txt`
+
 ## Verification Behavior
 
 `status`, `verify`, and `connect` report machine-readable JSON including:
@@ -79,7 +84,7 @@ Use `verify` when you want an explicit post-connect location check without chang
 For an automated macOS flow:
 
 1. `node scripts/nordvpn-client.js install`
-2. set `NORDVPN_TOKEN` or `NORDVPN_TOKEN_FILE`
+2. put your token in `~/.openclaw/workspace/.clawdbot/credentials/nordvpn/token.txt` or set `NORDVPN_TOKEN` / `NORDVPN_TOKEN_FILE`
 3. `node scripts/nordvpn-client.js login`
 4. `node scripts/nordvpn-client.js connect --country "Italy"` or `--city "Milan"`
 5. `node scripts/nordvpn-client.js verify`

skills/nordvpn-client/scripts/nordvpn-client.js

@@ -12,6 +12,16 @@ const WG_STATE_DIR = path.join(STATE_DIR, "wireguard");
 const WG_CONFIG_PATH = path.join(WG_STATE_DIR, `${MAC_WG_INTERFACE}.conf`);
 const AUTH_CACHE_PATH = path.join(STATE_DIR, "auth.json");
 const LAST_CONNECTION_PATH = path.join(STATE_DIR, "last-connection.json");
+const OPENCLAW_NORDVPN_CREDENTIALS_DIR = path.join(
+  os.homedir(),
+  ".openclaw",
+  "workspace",
+  ".clawdbot",
+  "credentials",
+  "nordvpn"
+);
+const DEFAULT_TOKEN_FILE = path.join(OPENCLAW_NORDVPN_CREDENTIALS_DIR, "token.txt");
+const DEFAULT_PASSWORD_FILE = path.join(OPENCLAW_NORDVPN_CREDENTIALS_DIR, "password.txt");
 const DEFAULT_DNS_IPV4 = "103.86.96.100";
 const DEFAULT_DNS_IPV6 = "2400:bb40:4444::100";
 const CLIENT_IPV4 = "10.5.0.2";
@@ -39,9 +49,11 @@ function usage() {
     env: [
       "NORDVPN_TOKEN",
       "NORDVPN_TOKEN_FILE",
+      `default token file: ${DEFAULT_TOKEN_FILE}`,
       "NORDVPN_USERNAME",
       "NORDVPN_PASSWORD",
       "NORDVPN_PASSWORD_FILE",
+      `default password file: ${DEFAULT_PASSWORD_FILE}`,
     ],
   };
 }
@@ -75,13 +87,22 @@ function detectPlatform() {
 
 function readSecret(envName, fileEnvName) {
   if (process.env[envName]) return process.env[envName];
-  const filePath = process.env[fileEnvName];
-  if (!filePath) return "";
-  try {
-    return fs.readFileSync(filePath, "utf8").trim();
-  } catch {
-    return "";
+
+  const candidates = [];
+  if (process.env[fileEnvName]) candidates.push(process.env[fileEnvName]);
+  if (envName === "NORDVPN_TOKEN") candidates.push(DEFAULT_TOKEN_FILE);
+  if (envName === "NORDVPN_PASSWORD") candidates.push(DEFAULT_PASSWORD_FILE);
+
+  for (const candidate of candidates) {
+    try {
+      const value = fs.readFileSync(candidate, "utf8").trim();
+      if (value) return value;
+    } catch {
+      // Continue.
+    }
   }
+
+  return "";
 }
 
 function normalizeLocation(value) {
@@ -370,7 +391,7 @@ function buildStateSummary(installProbe, ipInfo) {
       ? installProbe.wireguard.sudoReady
         ? "Use token-based WireGuard automation on macOS."
         : "WireGuard tooling and token are available, but connect/disconnect require non-interactive sudo for wg-quick. Authorize sudo for wg-quick, then rerun login/connect."
-      : "Set NORDVPN_TOKEN or NORDVPN_TOKEN_FILE for automated macOS NordLynx/WireGuard connects.";
+      : `Set NORDVPN_TOKEN, NORDVPN_TOKEN_FILE, or place the token at ${DEFAULT_TOKEN_FILE} for automated macOS NordLynx/WireGuard connects.`;
   } else if (installProbe.platform === "darwin" && installProbe.appInstalled) {
     controlMode = "app-manual";
     automaticControl = false;
@@ -378,7 +399,7 @@ function buildStateSummary(installProbe, ipInfo) {
     connectMode = "app-manual";
     recommendedAction = installProbe.tokenAvailable
       ? "NordVPN.app is installed, but automated macOS connects also require wireguard-go and wireguard-tools. Run 'node scripts/nordvpn-client.js install' to install them with Homebrew."
-      : "NordVPN.app is installed. For automated macOS connects, run 'node scripts/nordvpn-client.js install' to install wireguard-go and wireguard-tools with Homebrew, then set NORDVPN_TOKEN or NORDVPN_TOKEN_FILE and run login.";
+      : `NordVPN.app is installed. For automated macOS connects, run 'node scripts/nordvpn-client.js install' to install wireguard-go and wireguard-tools with Homebrew, then set NORDVPN_TOKEN, NORDVPN_TOKEN_FILE, or place the token at ${DEFAULT_TOKEN_FILE} and run login.`;
   } else if (installProbe.platform === "darwin" && installProbe.brewPath) {
     controlMode = "wireguard-bootstrap";
     automaticControl = false;
@@ -759,7 +780,7 @@ async function runSudoWireguard(installProbe, action) {
 async function connectViaMacWireguard(installProbe, target) {
   const token = readSecret("NORDVPN_TOKEN", "NORDVPN_TOKEN_FILE");
   if (!token) {
-    throw new Error("macOS NordLynx/WireGuard automation requires NORDVPN_TOKEN or NORDVPN_TOKEN_FILE.");
+    throw new Error(`macOS NordLynx/WireGuard automation requires NORDVPN_TOKEN, NORDVPN_TOKEN_FILE, or a token at ${DEFAULT_TOKEN_FILE}.`);
   }
   if (!installProbe.wireguard || !installProbe.wireguard.dependenciesReady) {
     throw new Error("wireguard-go and wireguard-tools are required on macOS. Run install first.");
@@ -912,7 +933,13 @@ async function loginNordvpn(installProbe) {
       backend: "wireguard",
       validatedAt: new Date().toISOString(),
       hasNordlynxPrivateKey: Boolean(credentials.nordlynx_private_key),
-      tokenSource: process.env.NORDVPN_TOKEN ? "env:NORDVPN_TOKEN" : process.env.NORDVPN_TOKEN_FILE ? "file:NORDVPN_TOKEN_FILE" : "unknown",
+      tokenSource: process.env.NORDVPN_TOKEN
+        ? "env:NORDVPN_TOKEN"
+        : process.env.NORDVPN_TOKEN_FILE
+          ? "file:NORDVPN_TOKEN_FILE"
+          : fileExists(DEFAULT_TOKEN_FILE)
+            ? `default:${DEFAULT_TOKEN_FILE}`
+            : "unknown",
     };
     writeJsonFile(AUTH_CACHE_PATH, cache);
     return {
@@ -932,7 +959,7 @@ async function loginNordvpn(installProbe) {
       backend: "app-manual",
       manualActionRequired: true,
       message:
-        "Opened NordVPN.app. Complete login in the app/browser flow, or set NORDVPN_TOKEN / NORDVPN_TOKEN_FILE to use the automated macOS WireGuard backend.",
+        `Opened NordVPN.app. Complete login in the app/browser flow, or set NORDVPN_TOKEN, NORDVPN_TOKEN_FILE, or place the token at ${DEFAULT_TOKEN_FILE} to use the automated macOS WireGuard backend.`,
     };
   }
 
@@ -1007,7 +1034,7 @@ async function main() {
       } else if (platform === "darwin" && installProbe.appInstalled) {
         connectResult = await connectViaMacApp(target);
       } else if (platform === "darwin" && !installProbe.tokenAvailable) {
-        throw new Error("macOS automated NordLynx/WireGuard connects require NORDVPN_TOKEN or NORDVPN_TOKEN_FILE.");
+        throw new Error(`macOS automated NordLynx/WireGuard connects require NORDVPN_TOKEN, NORDVPN_TOKEN_FILE, or a token at ${DEFAULT_TOKEN_FILE}.`);
       } else if (platform === "darwin") {
         throw new Error("No usable macOS NordVPN backend is ready. Run install to bootstrap WireGuard tooling.");
       } else if (!installProbe.installed) {