FEAT: Stabilize Unified Envelope Architecture & TUI UX

- Fixed background boot crash via --non-interactive flag.
- Implemented robust protocol sanitization (stripped raw streams).
- Refined TUI formatting to display human-readable tool results.
- Fixed opencortex.sh variable shadowing and connection logic.
- Resolved :target field schema validation errors.

scripts/opencortex-chat.sh

@@ -7,14 +7,33 @@ HOST=${1:-localhost}
 if command -v socat >/dev/null 2>&1; then
     # Use socat with READLINE for history and arrow-key support.
     # It establishes a persistent bidirectional connection.
-    socat READLINE,history=$HOME/.org_agent_history TCP:$HOST:$PORT
-else
-    # Fallback to nc (netcat) for a single-shot connection if socat is missing.
-    # Note: This is less robust for agents with long-thinking times.
-    echo "WARNING: socat not found. Falling back to nc (no line-editing support)."
+    # Note: socat READLINE doesn't handle hex-length framing automatically for input.
+    # We use a wrapper to frame the message.
+    
+    echo "Connected to OpenCortex on $HOST:$PORT (Channel: CLI)"
     while true; do
         read -p "User: " MESSAGE
         if [ -z "$MESSAGE" ]; then continue; fi
-        echo "$MESSAGE" | nc -N $HOST $PORT
+        if [ "$MESSAGE" = "/exit" ]; then break; fi
+        
+        # Frame the message: (:TYPE :EVENT :META (:SOURCE :CLI) :PAYLOAD (:SENSOR :USER-INPUT :TEXT "msg"))
+        PAYLOAD="(:TYPE :EVENT :META (:SOURCE :CLI) :PAYLOAD (:SENSOR :USER-INPUT :TEXT \"$MESSAGE\"))"
+        LEN=$(printf "%s" "$PAYLOAD" | wc -c)
+        HEXLEN=$(printf "%06x" $LEN)
+        
+        # Send and read response
+        (printf "%s%s" "$HEXLEN" "$PAYLOAD" | nc -N $HOST $PORT) | while read -r LINE; do
+            # The line will have the 6-char hex length prefix.
+            # We strip it and look for the response.
+            CLEAN=$(echo "$LINE" | sed 's/^......//')
+            if [[ "$CLEAN" == *":TEXT"* ]]; then
+                 # Extract the text content (simple grep-like extraction for CLI fallback)
+                 TEXT=$(echo "$CLEAN" | sed -n 's/.*:TEXT "\([^"]*\)".*/\1/p')
+                 echo "Agent: $TEXT"
+            fi
+        done
     done
+else
+    echo "Error: socat or nc required."
+    exit 1
 fi