initialize project structure with core modules and configuration

src/routes/status.js

@@ -0,0 +1,34 @@
+const db = require('../db');
+const { getLastIngestionBySource } = require('../state');
+
+async function statusRoutes(fastify) {
+  fastify.get('/status', async () => {
+    const total = db.prepare('SELECT COUNT(*) AS count FROM articles').get().count;
+    const bySourceRows = db.prepare('SELECT source, COUNT(*) AS count FROM articles GROUP BY source ORDER BY source').all();
+    const contentCoverage = db.prepare(`
+      SELECT
+        COUNT(*) AS total,
+        SUM(CASE WHEN content IS NOT NULL AND TRIM(content) <> '' THEN 1 ELSE 0 END) AS with_content,
+        SUM(CASE WHEN image IS NOT NULL AND TRIM(image) <> '' THEN 1 ELSE 0 END) AS with_image
+      FROM articles
+    `).get();
+    const embeddingCoverage = db.prepare('SELECT COUNT(*) AS count FROM article_embeddings').get();
+
+    return {
+      totalArticles: total,
+      countsBySource: Object.fromEntries(bySourceRows.map((row) => [row.source, row.count])),
+      lastIngestionBySource: getLastIngestionBySource(),
+      contentFetchCoverage: {
+        withContent: contentCoverage.with_content || 0,
+        withImage: contentCoverage.with_image || 0,
+        withEmbedding: embeddingCoverage.count || 0,
+        total: contentCoverage.total || 0,
+        contentRatio: contentCoverage.total ? Number((contentCoverage.with_content / contentCoverage.total).toFixed(4)) : 0,
+        imageRatio: contentCoverage.total ? Number((contentCoverage.with_image / contentCoverage.total).toFixed(4)) : 0,
+        embeddingRatio: contentCoverage.total ? Number((embeddingCoverage.count / contentCoverage.total).toFixed(4)) : 0,
+      },
+    };
+  });
+}
+
+module.exports = statusRoutes;