fix: remove unnecessary rm of msg file to avoid race condition (#200)

skills/kugetsu/scripts/kugetsu-config.sh

@@ -32,7 +32,7 @@ if [ -f "$KUGETSU_DIR/config" ]; then
 fi
 
 mask_sensitive_vars() {
-    local line="$1"
+    local line="${1:-}"
     for var in GITEA_TOKEN GITHUB_TOKEN GITLAB_TOKEN API_KEY PASSWORD TOKEN SECRET; do
         if [[ "$line" =~ $var ]]; then
             line=$(echo "$line" | sed -E "s/=.*/=***MASKED***/")
@@ -41,6 +41,11 @@ mask_sensitive_vars() {
     echo "$line"
 }
 
+strip_ansi_codes() {
+    local line="${1:-}"
+    echo "$line" | sed 's/\x1b\[[0-9;]*m//g' | sed 's/\x1b\[[0-9;]*[a-zA-Z]//g'
+}
+
 load_agent_env() {
     local agent_type="${1:-base}"
     local env_file="$ENV_DIR/${agent_type}.env"

skills/kugetsu/scripts/kugetsu-log.sh

@@ -24,7 +24,9 @@ cmd_logs() {
             echo ""
             echo "--- $log ---"
             tail -20 "$LOGS_DIR/$log" | while read line; do
-                echo "  $(mask_sensitive_vars "$line")"
+                line=$(strip_ansi_codes "$line")
+                line=$(mask_sensitive_vars "$line")
+                echo "  $line"
             done
         fi
     done

skills/kugetsu/scripts/kugetsu-session.sh

@@ -241,20 +241,22 @@ create_session() {
     fi
     
     local before_json=$(opencode session list --format=json 2>/dev/null)
-    local before_ids=$(echo "$before_json" | python3 -c "import sys,json; sessions=json.load(sys.stdin); print(' '.join(s['id'] for s in sessions))" 2>/dev/null || echo "")
+    local before_set=$(echo "$before_json" | python3 -c "import sys,json; sessions=json.load(sys.stdin); print('|'.join(s['id'] for s in sessions))" 2>/dev/null || echo "|")
     
-    opencode run --fork --session "$base_session" "new session" 2>/dev/null
+    opencode run --fork --session "$base_session" "new session" >/dev/null 2>&1
+    
+    sleep 1
     
     local after_json=$(opencode session list --format=json 2>/dev/null)
-    local after_ids=$(echo "$after_json" | python3 -c "import sys,json; sessions=json.load(sys.stdin); print(' '.join(s['id'] for s in sessions))" 2>/dev/null || echo "")
+    local after_sessions=$(echo "$after_json" | python3 -c "import sys,json; sessions=json.load(sys.stdin); [print(s['id']) for s in sessions]" 2>/dev/null || true)
     
     local new_session_id=""
-    for sess in $after_ids; do
-        if [[ ! " $before_ids " =~ " $sess " ]] && [[ "$sess" != "$base_session" ]]; then
+    while IFS= read -r sess; do
+        if [[ -n "$sess" ]] && [[ ! "$before_set" =~ \|${sess}\| ]]; then
             new_session_id="$sess"
             break
         fi
-    done
+    done <<< "$after_sessions"
     
     echo "$new_session_id"
 }
@@ -376,10 +378,10 @@ cmd_start() {
     load_agent_env "dev"
     
     cd "$worktree_path"
-    local msg_file="$LOGS_DIR/msg-$new_session_id.txt"
+    local sanitized_id=$(echo "$new_session_id" | sed 's/[^a-zA-Z0-9_-]/_/g')
+    local msg_file="$worktree_path/.kugetsu-msg.txt"
     printf '%s' "$dev_message" > "$msg_file"
-    nohup sh -c "GITEA_TOKEN='${GITEA_TOKEN:-}' opencode run '@$msg_file' --session '$new_session_id'" >> "$LOGS_DIR/dev-$new_session_id.log" 2>&1 &
-    rm -f "$msg_file"
+    nohup sh -c "GITEA_TOKEN='${GITEA_TOKEN:-}' opencode run '@$msg_file' --session '$new_session_id'" >> "$LOGS_DIR/dev-$sanitized_id.log" 2>&1 &
     
     echo "Session started for '$issue_ref': $new_session_id"
     echo "Worktree: $worktree_path"
@@ -442,10 +444,10 @@ cmd_continue() {
     fi
     
     cd "$worktree_path"
-    local msg_file="$LOGS_DIR/msg-$opencode_session_id.txt"
+    local sanitized_id=$(echo "$opencode_session_id" | sed 's/[^a-zA-Z0-9_-]/_/g')
+    local msg_file="$worktree_path/.kugetsu-msg.txt"
     printf '%s' "$message" > "$msg_file"
-    nohup sh -c "GITEA_TOKEN='${GITEA_TOKEN:-}' opencode run '@$msg_file' --session '$opencode_session_id'" >> "$LOGS_DIR/dev-$opencode_session_id.log" 2>&1 &
-    rm -f "$msg_file"
+    nohup sh -c "GITEA_TOKEN='${GITEA_TOKEN:-}' opencode run '@$msg_file' --session '$opencode_session_id'" >> "$LOGS_DIR/dev-$sanitized_id.log" 2>&1 &
 }
 
 cmd_list() {