feat: add programme module and blog integration

- Add Programme Mongoose model with sub-schemas and migrateFromJson static method
- Add programme CRUD controller with audit logging and icon sanitization
- Add programme admin views (index, edit) with tabbed form and dynamic arrays
- Add seed migration script for programmes
- Add /api/programmes and /api/programmes/:id public API endpoints
- Register programme routes in admin and public router
- Update dashboard with Programmes card and API endpoint entries
- Update admin sidebar layout to include Programmes nav link

scripts/2026_04_20_150000_seed_programmes.js

@@ -0,0 +1,41 @@
+require("dotenv").config();
+const fs = require("fs").promises;
+const path = require("path");
+const mongoose = require("mongoose");
+const connectDB = require("../config/database");
+const Programme = require("../models/programme");
+
+/**
+ * Seed / upsert all programmes from data/programmes.json into MongoDB.
+ * Run: node scripts/2026_04_20_150000_seed_programmes.js
+ */
+async function migrate() {
+  try {
+    await connectDB();
+    console.log("Connected to MongoDB");
+
+    const jsonPath = path.join(__dirname, "../data/programmes.json");
+    const raw = await fs.readFile(jsonPath, "utf8");
+    const data = JSON.parse(raw);
+
+    if (!Array.isArray(data)) {
+      throw new Error("data/programmes.json must be a JSON array");
+    }
+
+    const results = await Programme.migrateFromJson(data);
+    console.log("Programme migration completed:");
+    results.forEach((r) => console.log(`  [${r.action}] id=${r.id}`));
+
+    await mongoose.disconnect();
+    process.exit(0);
+  } catch (error) {
+    console.error("Programme migration error:", error.message);
+    process.exit(1);
+  }
+}
+
+if (require.main === module) {
+  migrate();
+}
+
+module.exports = { migrate };