Bootstrap tamq local tmux agent message queue

Assistant: codex
Assistant-Model: gpt-5.6-sol
Assistant-Session: 01a02f34-ead4-7a60-85cd-d7f08e22fa0e

src/tamq/config.py

@@ -0,0 +1,46 @@
+from __future__ import annotations
+
+import os
+import tomllib
+from pathlib import Path
+
+
+def config_path() -> Path:
+    return Path(os.environ.get("TAMQ_CONFIG", Path(os.environ.get("XDG_CONFIG_HOME", Path.home() / ".config")) / "tamq" / "config.toml"))
+
+
+def _setting(name: str) -> str | None:
+    path = config_path()
+    if not path.exists():
+        return None
+    try:
+        with path.open("rb") as stream:
+            value = tomllib.load(stream).get("tamq", {}).get(name)
+            return value if isinstance(value, str) else None
+    except (OSError, tomllib.TOMLDecodeError):
+        return None
+
+
+def setting(name: str, default: str) -> str:
+    """Read a scalar [tamq] setting, falling back to a stable default."""
+    return _setting(name) or default
+
+
+def state_dir() -> Path:
+    return Path(os.environ.get("TAMQ_STATE_DIR", _setting("state_dir") or Path(os.environ.get("XDG_STATE_HOME", Path.home() / ".local" / "state")) / "tamq"))
+
+
+def db_path() -> Path:
+    return state_dir() / "tamq.sqlite3"
+
+
+def socket_path() -> Path:
+    return Path(os.environ.get("TAMQ_SOCKET", _setting("socket") or Path(os.environ.get("XDG_RUNTIME_DIR", "/tmp")) / "tamq.sock"))
+
+
+def pid_path() -> Path:
+    return Path(os.environ.get("TAMQ_PIDFILE", _setting("pidfile") or Path(os.environ.get("XDG_RUNTIME_DIR", "/tmp")) / "tamq.pid"))
+
+
+def lock_path() -> Path:
+    return Path(os.environ.get("TAMQ_LOCKFILE", _setting("lockfile") or Path(os.environ.get("XDG_RUNTIME_DIR", "/tmp")) / "tamq.lock"))