WIP

Author: i9wa4

bin/set-a2a-node

@@ -0,0 +1,74 @@
+#!/usr/bin/env bash
+set -o errexit
+set -o nounset
+set -o pipefail
+set -o posix
+
+# Set A2A_NODE for tmux pane border display.
+# Updates both the environment variable and tmux pane-local option.
+#
+# Usage:
+#   set-a2a-node orchestrator
+#   set-a2a-node worker
+#   set-a2a-node --clear
+
+print_usage() {
+  cat <<'EOF'
+Usage:
+  set-a2a-node <node_name>
+  set-a2a-node --clear
+
+Set A2A_NODE environment variable and update tmux pane option.
+
+Options:
+  <node_name>  Node name (e.g., orchestrator, worker, observer)
+  --clear      Clear A2A_NODE
+  -h, --help   Show this help and exit
+
+Examples:
+  set-a2a-node orchestrator
+  set-a2a-node worker
+  set-a2a-node --clear
+EOF
+}
+
+# Parse arguments
+while [[ $# -gt 0 ]]; do
+  case $1 in
+    -h|--help)
+      print_usage
+      exit 0
+      ;;
+    --clear)
+      unset A2A_NODE 2>/dev/null || true
+      if [[ -n ${TMUX:-} ]]; then
+        tmux set-option -p -u @a2a_node 2>/dev/null || true
+      fi
+      echo "A2A_NODE cleared"
+      exit 0
+      ;;
+    -*)
+      echo "Unknown option: $1" >&2
+      exit 1
+      ;;
+    *)
+      node_name="$1"
+      break
+      ;;
+  esac
+done
+
+if [[ -z ${node_name:-} ]]; then
+  echo "Error: node_name is required" >&2
+  print_usage >&2
+  exit 1
+fi
+
+# NOTE: export in script only affects subprocesses, not parent shell
+export A2A_NODE="$node_name"
+
+if [[ -n ${TMUX:-} ]]; then
+  tmux set-option -p @a2a_node "$A2A_NODE"
+fi
+
+echo "A2A_NODE set to: $A2A_NODE"

config/vde/layout.yml

@@ -15,7 +15,7 @@ presets:
               delay: 500
               focus: true
             - name: agent
-              command: export A2A_NODE=watchdog; claude-chill -- claude --dangerously-skip-permissions --model sonnet
+              command: set-a2a-node watchdog; claude-chill -- claude --dangerously-skip-permissions --model sonnet
               delay: 500
         - name: gtop
           command: gtop
@@ -50,7 +50,7 @@ presets:
           delay: 500
           focus: true
         - name: agent
-          command: export A2A_NODE=messenger; claude-chill -- claude --dangerously-skip-permissions --model haiku
+          command: set-a2a-node messenger; claude-chill -- claude --dangerously-skip-permissions --model haiku
           delay: 500
 
   high:
@@ -62,21 +62,21 @@ presets:
       ratio: [1, 1]
       panes:
         - name: agent
-          # command: export A2A_NODE=boss; codex --yolo --model gpt-5.3-codex
-          command: export A2A_NODE=boss; claude-chill -- claude --dangerously-skip-permissions --model opus
+          # command: set-a2a-node boss; codex --yolo --model gpt-5.3-codex
+          command: set-a2a-node boss; claude-chill -- claude --dangerously-skip-permissions --model opus
           delay: 500
         - type: vertical
           ratio: [1, 1, 1, 1]
           panes:
             - name: agent
-              command: export A2A_NODE=orchestrator; claude-chill -- claude --dangerously-skip-permissions --model sonnet
+              command: set-a2a-node orchestrator; claude-chill -- claude --dangerously-skip-permissions --model sonnet
               delay: 500
             - name: agent
-              command: export A2A_NODE=worker; claude-chill -- claude --dangerously-skip-permissions --model sonnet
+              command: set-a2a-node worker; claude-chill -- claude --dangerously-skip-permissions --model sonnet
               delay: 500
             - name: agent
-              command: export A2A_NODE=critic; claude-chill -- claude --dangerously-skip-permissions --model sonnet
+              command: set-a2a-node critic; claude-chill -- claude --dangerously-skip-permissions --model sonnet
               delay: 500
             - name: agent
-              command: export A2A_NODE=guardian; codex --yolo --model gpt-5.3-codex
+              command: set-a2a-node guardian; codex --yolo --model gpt-5.3-codex
               delay: 500