flatten app to repo root and update docker deployment for single-stack runtime

app/api/filings/[accessionNumber]/analyze/route.ts

@@ -0,0 +1,26 @@
+import { asErrorMessage, jsonError } from '@/lib/server/http';
+import { enqueueTask } from '@/lib/server/tasks';
+
+type Context = {
+  params: Promise<{ accessionNumber: string }>;
+};
+
+export async function POST(_request: Request, context: Context) {
+  try {
+    const { accessionNumber } = await context.params;
+
+    if (!accessionNumber || accessionNumber.trim().length < 4) {
+      return jsonError('Invalid accession number');
+    }
+
+    const task = await enqueueTask({
+      taskType: 'analyze_filing',
+      payload: { accessionNumber: accessionNumber.trim() },
+      priority: 65
+    });
+
+    return Response.json({ task });
+  } catch (error) {
+    return jsonError(asErrorMessage(error, 'Failed to queue filing analysis task'));
+  }
+}