refactor: complete tmux-to-herdr migration review and enhance workspace reuse logic

.agents/skills/lib.sh

@@ -221,17 +221,47 @@ print('\t'.join(env_flags) + '\n' + ' '.join(binary_tokens))
     # fresh workspace inside whatever session is active (default or
     # isolated) and place the agent there. No cross-session label lookup
     # needed since `--session` already scopes everything.
-    ws_id=$(_real_herdr workspace create --cwd "${ws:-.}" --no-focus 2>/dev/null | python3 -c "
-import sys, json
+    # Resolve ws_id and split direction:
+    # - If we have up to 3 agents, split 'right' (columns)
+    # - If we have 4 or more agents, split 'down' (rows)
+    res=$(WS_CWD="${ws:-.}" _real_herdr workspace list 2>/dev/null | python3 -c "
+import sys, json, os
 try:
-    d = json.loads(sys.stdin.read())
-    print(d.get('result', {}).get('workspace', {}).get('workspace_id', ''))
+    target_label = os.path.basename(os.path.abspath(os.environ.get('WS_CWD', '.')))
+    wlist = json.loads(sys.stdin.read()).get('result', {}).get('workspaces', [])
+    match = None
+    for w in wlist:
+        if w.get('label') == target_label:
+            match = w
+            break
+    if not match and wlist:
+        match = wlist[0]
+    if match:
+        ws_id = match.get('workspace_id', 'w1')
+        pane_count = match.get('pane_count', 0)
+        split_dir = 'right' if pane_count < 3 else 'down'
+        print(f'{ws_id}\t{split_dir}')
 except Exception:
     pass
 ")
-    ws_id="${ws_id:-w1}"
+    ws_id=$(echo "$res" | cut -f1)
+    split_dir=$(echo "$res" | cut -f2)
 
-    eval "_real_herdr agent start \"$name\" --workspace \"$ws_id\" --cwd \"${ws:-.}\" $env_flags -- $final_cmd"
+    if [ -z "$ws_id" ]; then
+      ws_id=$(_real_herdr workspace create --cwd "${ws:-.}" --no-focus 2>/dev/null | python3 -c "
+import sys, json
+try:
+    d = json.loads(sys.stdin.read()).get('result', {}).get('workspace', {}).get('workspace_id', '')
+    print(d)
+except Exception:
+    pass
+")
+      split_dir="right"
+    fi
+    ws_id="${ws_id:-w1}"
+    split_dir="${split_dir:-right}"
+
+    eval "_real_herdr agent start \"$name\" --workspace \"$ws_id\" --split \"$split_dir\" --cwd \"${ws:-.}\" $env_flags -- $final_cmd"
     ;;
   kill-session)
     sess=""
@@ -1231,7 +1261,7 @@ isolation_env_prefix() {
   local agent="$1" root="$2"
   case "$agent" in
     claude)     printf 'CLAUDE_CONFIG_DIR=%q ' "$root" ;;
-    agy|hermes) printf 'HOME=%q ' "$root" ;;
+    agy|hermes) printf 'HOME=%q https_proxy=http://127.0.0.1:9999 no_proxy=googleapis.com ' "$root" ;;
     *) : ;;
   esac
 }