phase: 20.49 COMPLETE; 20.50 Flow+String minimal reps; 20.51 selfhost v0/v1 minimal (Option A/B); hv1-inline binop/unop/copy; docs + run_all + CURRENT_TASK -> 21.0

apps/std/array.hako

@@ -1,6 +1,6 @@
 // std.array (Ny) - Phase15 MVP
 // Usage:
-//   include "apps/std/array.nyash"
+//   include "apps/std/array.hako"
 //   local a = new ArrayBox(); StdArrayNy.array_push(a, 1); StdArrayNy.array_len(a)
 // Notes:
 //   - In-place ops where natural (push/pop)

apps/std/ny-config.hako

@@ -1,4 +1,4 @@
-// ny-config.nyash - Load nyash.toml and expose minimal helpers
+// ny-config.hako - Load nyash.toml and expose minimal helpers
 
 static box NyConfig {
   // Read nyash.toml (or given path) and return JSON string via TOMLBox.toJson()

apps/std/string.hako

@@ -1,6 +1,6 @@
 // std.string (Ny) - Phase15 MVP
 // Usage:
-//   include "apps/std/string.nyash"
+//   include "apps/std/string.hako"
 //   StdStringNy.string_length("abc"), StdStringNy.string_concat("a","b"),
 //   StdStringNy.string_slice("hello",1,4), StdStringNy.string_index_of("banana","na"), StdStringNy.string_equals("x","y")
 // Notes:

apps/std/string2.hako

@@ -1,6 +1,6 @@
 // std.string (Ny) - Phase15 MVP
 // Usage:
-//   include "apps/std/string.nyash"
+//   include "apps/std/string.hako"
 //   StdStringNy.string_length("abc"), StdStringNy.string_concat("a","b"),
 //   StdStringNy.string_slice("hello",1,4), StdStringNy.string_index_of("banana","na"), StdStringNy.string_equals("x","y")
 // Notes: