Added some basic CGI support using kcgi plus a lot of fixes and content updates. (0.41.9)

lib/net/kcgi.fun

@@ -0,0 +1,46 @@
+/*
+ * This file is part of the Fun programming language.
+ * https://fun-lang.xyz/
+ *
+ * Copyright 2026 Johannes Findeisen
+ * Licensed under the terms of the Apache-2.0 license.
+ * https://opensource.org/license/apache-2-0
+ */
+
+// Thin wrapper around VM kcgi intrinsics
+
+class KCGI()
+  fun _construct(this)
+    this.req = kcgi_parse()
+
+  fun get(this, key)
+    if (typeof(this.req) == "Map")
+      fields = this.req["fields"]
+      if (typeof(fields) == "Map")
+        return fields[key]
+    return nil
+
+  // Returns the field value if present and non-nil, otherwise returns 'def'.
+  fun get_or(this, key, def)
+    v = this.get(key)
+    if (v == nil)
+      return def
+    // Some code may stringify nil to "nil"; treat that as missing too.
+    if (typeof(v) == "String" && v == "nil")
+      return def
+    return v
+
+  fun reply(this, code, content_type, body)
+    if (kcgi_reply_start(code, content_type) == 1)
+      _ = kcgi_write(to_string(body))
+    _ = kcgi_end()
+
+  // streaming API
+  fun start(this, code, content_type)
+    return kcgi_reply_start(code, content_type)
+
+  fun write(this, chunk)
+    return kcgi_write(to_string(chunk))
+
+  fun end(this)
+    return kcgi_end()