fix: protocol validator allows REQUEST without :target if :source is present

- Relax validate-communication-protocol-schema to accept :REQUEST messages without
  :target when :source is present in :meta (reason-gate infers target from source).
- This preserves 'equality of clients' — gateways don't duplicate routing logic.
- Add communication-validator to ASD components.
- Fixes TCP CLI gateway integration: clients can now connect and receive responses.
- Verified with test client: 13/13 skills load, Perceive gate processes messages.

test_cli.py

@@ -0,0 +1,46 @@
+import socket
+import struct
+
+def frame_message(msg_string):
+    payload = msg_string.encode('utf-8')
+    return f"{len(payload):06x}".encode('ascii') + payload
+
+def read_framed(sock):
+    header = b''
+    while len(header) < 6:
+        chunk = sock.recv(6 - len(header))
+        if not chunk:
+            return None
+        header += chunk
+    length = int(header, 16)
+    data = b''
+    while len(data) < length:
+        chunk = sock.recv(length - len(data))
+        if not chunk:
+            return None
+        data += chunk
+    return data.decode('utf-8')
+
+msg = '(:TYPE :REQUEST :PAYLOAD (:ACTION :MESSAGE :TEXT "hello") :META (:SOURCE :CLI :SESSION-ID "test1"))'
+
+sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+sock.connect(('127.0.0.1', 9105))
+sock.settimeout(10.0)
+
+# Read handshake
+handshake = read_framed(sock)
+print("HANDSHAKE:", handshake)
+
+# Read status
+status = read_framed(sock)
+print("STATUS:", status)
+
+# Send message
+sock.sendall(frame_message(msg))
+print("SENT:", msg)
+
+# Read response
+response = read_framed(sock)
+print("RESPONSE:", response)
+
+sock.close()