feat(content): author the ROOT_ V1 orientation module and three practice-bank intro lessons

- root-01-m00-welcome-to-root: program overview + Lab-lifecycle orientation (disposable Labs, permanent progress, hints, reset/recreate, help-requests). - One short intro-lesson activity for each of the three bare practice-bank modules (root-06-m01, root-07-m01, root-10-m02), explaining what the bank is and why it has no per-scenario teaching of its own — the minimum real authoring needed for genuine self-paced readiness without reclassifying them optional (see the curriculum migrations). Co-Authored-By: Claude Sonnet 5 <[email protected]>
2026-08-26 18:33:09 -05:00
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+# Practice Bank: Services & Networking
+
+Like the workloads practice bank before it, this module has no new lesson. **Services & Service
+Discovery** and **Ingress & NetworkPolicy Foundations** already taught the concepts. This is four
+short Labs that drill exposing a Deployment, reasoning about a NodePort, and resolving a Service
+by DNS from inside the cluster — the everyday networking moves you'll use constantly from here on.
+
+## How to use it
+
+Work through the four Labs in order. Two of them (`services-mcq`, `expose-service-basics`) will
+feel familiar — you did a close variant of `expose-service-basics` in the earlier teaching
+module. That's intentional: it's the same skill under slightly different conditions, checking
+that it generalizes rather than that you memorized one exact command.
+
+## Instructor Notes
+
+**Delivery:** No lesson/demonstration/knowledge-check scaffolding by design — this is the
+original Phase 1-5 "networking" scenario bank plus two extra Labs (`nodeport-task`,
+`dns-resolution-mcq`) not part of that original set, reused here as self-paced speed practice.
+
+**Capstone note:** `services-mcq` and `expose-service-basics` are the exact pair the
+pre-existing `rootnode-path.json` "networking" stage requires to unlock the Capstone assessment
+— a separate, older mechanism from this course's own prerequisite chain (see
+docs/ROOT_V1_CURRICULUM_MANIFEST.md). Do not mark this module optional/is_required=false without
+re-checking that gate.
+
+**Common mistake to watch for:** confusing a NodePort's cluster-internal ClusterIP with the
+node-level port it also opens — the DNS-resolution Lab is a good moment to have a student narrate
+out loud which address they expect to work from where.