fix: stabilize learning path, reliability and legacy Windows builds

Unify beginner syntax while preserving compatibility, repair ownership and parser guards, add verified distribution tooling and VC6 Windows 98 build inputs, and clarify documentation and release status. Preserve DOS build-input line endings and exclude generated binaries/caches.

docs/FIRST_HOUR.md

@@ -2,6 +2,9 @@
 
 This is a simple first-hour lesson path for new learners. Keep each lesson short. Let the learner run the program after every change.
 
+Use the same short forms throughout this guide. See [the syntax rules](SYNTAX.md)
+for a small reference; older forms are kept in [compatibility syntax](COMPATIBILITY.md).
+
 ## 1. Say hello
 
 ```claro
@@ -15,8 +18,6 @@ ASK "What is your name?" name
 SAY "Hello " + name
 ```
 
-Older examples may use `ASK "What is your name?" AS name`; that still works, but the shorter form is easier for new learners.
-
 ## 3. Store a variable
 
 ```claro
@@ -54,8 +55,6 @@ DO 3 TIMES
 END
 ```
 
-Older examples may use `DONE` for loop endings; that compatibility form still works.
-
 ## 7. Use a list
 
 ```claro
@@ -85,8 +84,6 @@ Expected output:
 5
 ```
 
-Older examples may use `TEACH add TAKES a, b`, `LEARNED`, and `CALL add WITH 2, 3`; those forms still work.
-
 ## 9. Save and load text
 
 ```claro