fix(app-typescript): add expected output and troubleshooting to writing-data lesson

Author: adam-cowley

asciidoc/courses/app-typescript/modules/1-driver/lessons/5-c-writing-data/lesson.adoc

@@ -49,16 +49,78 @@ Run the file using `ts-node` to view the result:
 ts-node {lab-file}
 ----
 
-You can check the result in the Neo4j Browser by running the following query:
+If successful, you should see output similar to the following (with your name instead of "Your Name"):
+
+.Expected Output
+[source,json,role=nocopy]
+----
+{
+  identity: Integer { low: 12345, high: 0 },
+  labels: [ 'Person' ],
+  properties: { name: 'Your Name' },
+  elementId: '4:abc123:12345'
+}
+----
+
+You can also verify the result in the Neo4j Browser by running the following query:
 
 [source, cypher]
 ----
 MATCH (m:Movie {title: "Matrix, The"})<-[a:ACTED_IN]-(p:Person)
 RETURN m, a, p
 ----
 
+You should see your `Person` node connected to _The Matrix_ movie.
+
+
 include::questions/verify.adoc[leveloffset=+1]
 
+
+== Troubleshooting
+
+.ts-node: command not found
+[%collapsible]
+====
+If you receive a `ts-node: command not found` error, you can either:
+
+1. Install `ts-node` globally:
++
+[source,sh]
+----
+npm install -g ts-node
+----
+
+2. Or run via npx:
++
+[source,sh,subs=attributes+]
+----
+npx ts-node {lab-file}
+----
+====
+
+.Cannot use import statement outside a module
+[%collapsible]
+====
+This error occurs when Node.js tries to run TypeScript/ES modules as CommonJS.
+Ensure your `tsconfig.json` has the correct module settings, or run with:
+
+[source,sh,subs=attributes+]
+----
+npx ts-node --esm {lab-file}
+----
+====
+
+.Verification fails but code works
+[%collapsible]
+====
+If your code runs successfully and creates the node (you can see it in Neo4j Browser) but the verification fails:
+
+1. Ensure you are using the sandbox provided by GraphAcademy (not a local database)
+2. Check that the Person node was created with an `ACTED_IN` relationship to the movie titled "Matrix, The"
+3. Try refreshing the page and clicking Verify again
+====
+
+
 [.summary]
 == Lesson Summary