docs: clarify Claro v1 status and validation

docs/CLASSROOM_READINESS.md

@@ -1,6 +1,6 @@
 # Classroom Readiness Checklist
 
-Claro RC3 is suitable for early classroom-style testing, but not final 1.0.
+Claro v1.18.26 is suitable for beginner classroom-style testing of the stable console-language foundation. Advanced platform features should still be introduced carefully and only after the basics are comfortable.
 
 ## Ready to test
 
@@ -10,19 +10,26 @@ Claro RC3 is suitable for early classroom-style testing, but not final 1.0.
 - Simple files and JSON
 - Friendly `check` command
 - Windows and Linux/macOS build paths
+- Local project/package workflow basics
+- Offline networking lessons with `claro://` URLs
 
 ## Use with caution
 
 - Advanced scripts
 - Large programs
 - Graphics/game examples
-- Package/module workflows beyond simple imports
+- Remote networking examples
+- Package registry or publishing workflows
+- Concurrency examples beyond documented safe task patterns
 
 ## Recommended testing session
 
-1. Build Claro.
-2. Run `claro test`.
-3. Run `lessons/01_hello.claro`.
-4. Run `lessons/02_ask_name.claro`.
-5. Run `examples/quiz.claro`.
-6. Deliberately mistype `SAY` as `PRNT` and run `claro check`.
+1. Build Claro or use the included executable.
+2. Run `claro --version` and confirm `Claro v1.18.26`.
+3. Run `claro test`.
+4. Run `claro validate`.
+5. Run `lessons/01_hello.claro`.
+6. Run `lessons/02_ask_name.claro`.
+7. Run `examples/quiz.claro`.
+8. Deliberately mistype `SAY` as `PRNT` and run `claro check`.
+9. Try one foundation feature example, such as `examples/objects_classes.claro` or `examples/networking.claro`.