chore: register repository governance baseline

Assistant: codex
Assistant-Model: gpt-5.6-sol
Assistant-Session: 01a03397-4d51-7fd1-8ff2-946eb22ea2bc

.claude/rules/stack-and-commands.md

@@ -0,0 +1,23 @@
+## Stack
+
+- **Language:** Python 3.11+
+- **Runtime deps:** Python standard library, tmux, and gita
+- **Development deps:** pytest 8+, uv
+- **Storage/protocol:** SQLite and a local Unix socket
+
+## Dev Commands
+
+```bash
+# Install dependencies
+uv sync --extra dev
+
+# Run tests
+uv run pytest
+
+# Full repository check
+make check
+
+# Exercise the CLI
+uv run tamq --help
+uv run tamq --version
+```