Multi-account support: credentials keyed by account name

- prompts.json now has account field per prompt
- bot.js looks up env vars by account prefix (e.g. THEJUNIPERSKY_USER)
- .env restructured with account-prefixed credentials
- Adding a new Twitter account = new env vars + new prompt blocks

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

bot.js

@@ -105,11 +105,12 @@ async function readPage(kernel, sessionId) {
   return result.result;
 }
 
-async function login(kernel, sessionId) {
-  const xAcct = JSON.stringify(process.env.X_ACCT);
-  const xPw = JSON.stringify(process.env.X_PW);
-  const xEmail = JSON.stringify(process.env.X_EMAIL);
-  const xPhone = JSON.stringify(process.env.X_PHONE);
+async function login(kernel, sessionId, account) {
+  const prefix = account.toUpperCase();
+  const xAcct = JSON.stringify(process.env[`${prefix}_USER`]);
+  const xPw = JSON.stringify(process.env[`${prefix}_PW`]);
+  const xEmail = JSON.stringify(process.env[`${prefix}_EMAIL`]);
+  const xPhone = JSON.stringify(process.env[`${prefix}_PHONE`]);
 
   await exec(kernel, sessionId, `
     await page.goto('https://x.com/login', { waitUntil: 'networkidle' });
@@ -232,7 +233,7 @@ async function main() {
   console.log(`[${promptName}] Session: ${sessionId}`);
 
   try {
-    const url = await login(kernel, sessionId);
+    const url = await login(kernel, sessionId, promptConfig.account);
     if (!url.includes("x.com/home")) {
       throw new Error("Login didn't reach home page: " + url);
     }

prompts.json

@@ -12,7 +12,8 @@
         20
       ],
       "minDays": 2
-    }
+    },
+    "account": "thejunipersky"
   },
   {
     "name": "personality",
@@ -28,6 +29,7 @@
         3
       ],
       "minGapHours": 4
-    }
+    },
+    "account": "thejunipersky"
   }
 ]