Initial project setupHEADmain

Add modal-shell project with .agent/ config, mode stubs, ms dispatcher,
bare repo at /site/git.terst.org/repos/modal-shell.git, and ADR-001.

1 files changed, 28 insertions, 0 deletions

diff --git a/ms b/ms
new file mode 100755
index 0000000..109b155
--- /dev/null
+++ b/ms
@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+# ms — modal shell dispatcher
+# Usage: ms [mode]
+#   ms          list available modes
+#   ms <mode>   enter named mode
+set -euo pipefail
+
+MODES_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/modes" && pwd)"
+
+if [[ $# -eq 0 ]]; then
+  echo "Available modes:"
+  for f in "$MODES_DIR"/*.sh; do
+    [[ "$(basename "$f")" == "base.sh" ]] && continue
+    printf "  %s\n" "$(basename "$f" .sh)"
+  done
+  exit 0
+fi
+
+mode="$1"
+mode_file="$MODES_DIR/${mode}.sh"
+
+if [[ ! -f "$mode_file" ]]; then
+  echo "error: unknown mode '$mode'" >&2
+  echo "Run 'ms' to list available modes." >&2
+  exit 1
+fi
+
+exec bash "$mode_file"