Initial commit: config-driven Twitter bot with multi-prompt support

- Kernel.sh stealth browser for X login and posting
- Claude Sonnet 4.6 for tweet generation
- prompts.json for configurable prompts with frequency/scheduling
- Per-prompt history tracking to avoid repetition
- Scheduler with random time window support

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

scheduler.js

@@ -0,0 +1,51 @@
+import { execFileSync } from "child_process";
+import { readFileSync } from "fs";
+import { fileURLToPath } from "url";
+import { dirname, join } from "path";
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const promptName = process.argv[2];
+
+if (!promptName) {
+  console.error("Usage: node scheduler.js <prompt-name>");
+  process.exit(1);
+}
+
+const prompts = JSON.parse(readFileSync(join(__dirname, "prompts.json"), "utf-8"));
+const config = prompts.find((p) => p.name === promptName);
+
+if (!config) {
+  console.error(`Prompt "${promptName}" not found.`);
+  process.exit(1);
+}
+
+// Pick a random time in the window
+const windowMinutes = (config.endHour - config.startHour) * 60;
+const delayMinutes = Math.floor(Math.random() * windowMinutes);
+const hours = Math.floor(delayMinutes / 60) + config.startHour;
+const minutes = delayMinutes % 60;
+
+const pad = (n) => String(n).padStart(2, "0");
+console.log(`[${promptName}] Scheduled for ${pad(hours)}:${pad(minutes)} PST`);
+
+const now = new Date(
+  new Date().toLocaleString("en-US", { timeZone: "America/Los_Angeles" })
+);
+const target = new Date(now);
+target.setHours(hours, minutes, 0, 0);
+
+let delayMs = target.getTime() - now.getTime();
+if (delayMs <= 0) {
+  console.log("Target time passed. Posting now.");
+  delayMs = 0;
+}
+
+console.log(`Waiting ${Math.round(delayMs / 60000)} minutes...`);
+
+setTimeout(() => {
+  try {
+    execFileSync("node", [join(__dirname, "bot.js"), promptName], { stdio: "inherit" });
+  } catch {
+    process.exit(1);
+  }
+}, delayMs);