Initial clean commit - unified Lyra stack

core/persona-sidecar/persona-server.js

@@ -0,0 +1,78 @@
+// persona-server.js — Persona Sidecar v0.1.0 (Docker Lyra)
+// Node 18+, Express REST
+
+import express from "express";
+import fs from "fs";
+
+const app = express();
+app.use(express.json());
+
+const PORT = process.env.PORT || 7080;
+const CONFIG_FILE = process.env.PERSONAS_FILE || "./personas.json";
+
+// allow JSON with // and /* */ comments
+function parseJsonWithComments(raw) {
+  return JSON.parse(
+    raw
+      .replace(/\/\*[\s\S]*?\*\//g, "")   // block comments
+      .replace(/^\s*\/\/.*$/gm, "")       // line comments
+  );
+}
+
+function loadConfig() {
+  const raw = fs.readFileSync(CONFIG_FILE, "utf-8");
+  return parseJsonWithComments(raw);
+}
+
+function saveConfig(cfg) {
+  fs.writeFileSync(CONFIG_FILE, JSON.stringify(cfg, null, 2));
+}
+
+// GET /persona → active persona JSON
+app.get("/persona", (_req, res) => {
+  try {
+    const cfg = loadConfig();
+    const active = cfg.active;
+    const persona = cfg.personas?.[active];
+    if (!persona) return res.status(404).json({ error: "Active persona not found" });
+    res.json({ active, persona });
+  } catch (err) {
+    res.status(500).json({ error: String(err.message || err) });
+  }
+});
+
+// GET /personas → all personas
+app.get("/personas", (_req, res) => {
+  try {
+    const cfg = loadConfig();
+    res.json(cfg.personas || {});
+  } catch (err) {
+    res.status(500).json({ error: String(err.message || err) });
+  }
+});
+
+// POST /persona/select { name }
+app.post("/persona/select", (req, res) => {
+  try {
+    const { name } = req.body || {};
+    if (!name) return res.status(400).json({ error: "Missing 'name'" });
+
+    const cfg = loadConfig();
+    if (!cfg.personas || !cfg.personas[name]) {
+      return res.status(404).json({ error: `Persona '${name}' not found` });
+    }
+    cfg.active = name;
+    saveConfig(cfg);
+    res.json({ ok: true, active: name });
+  } catch (err) {
+    res.status(500).json({ error: String(err.message || err) });
+  }
+});
+
+// health + fallback
+app.get("/_health", (_req, res) => res.json({ ok: true, time: new Date().toISOString() }));
+app.use((_req, res) => res.status(404).json({ error: "no such route" }));
+
+app.listen(PORT, () => {
+  console.log(`Persona Sidecar listening on :${PORT}`);
+});