Initial commit: Discord-Claude Gateway with event-driven agent runtime

src/system-prompt-assembler.ts

@@ -0,0 +1,33 @@
+import type { MarkdownConfigs } from "./markdown-config-loader.js";
+
+const PREAMBLE =
+  "You may update your long-term memory by writing to memory.md using the Write tool. Use this to persist important facts, lessons learned, and context across sessions.";
+
+interface SectionDef {
+  key: keyof MarkdownConfigs;
+  header: string;
+}
+
+const SECTIONS: SectionDef[] = [
+  { key: "identity", header: "## Identity" },
+  { key: "soul", header: "## Personality" },
+  { key: "agents", header: "## Operating Rules" },
+  { key: "user", header: "## User Context" },
+  { key: "memory", header: "## Long-Term Memory" },
+  { key: "tools", header: "## Tool Configuration" },
+];
+
+export class SystemPromptAssembler {
+  assemble(configs: MarkdownConfigs): string {
+    const parts: string[] = [PREAMBLE, ""];
+
+    for (const { key, header } of SECTIONS) {
+      const content = configs[key];
+      if (content != null && content !== "") {
+        parts.push(`${header}\n\n${content}\n`);
+      }
+    }
+
+    return parts.join("\n");
+  }
+}