fix: add termux-all install profile and safe fallbacks

tests/test_termux_all_extra_compat.py

@@ -0,0 +1,23 @@
+"""Regression coverage for the Termux broad install profile."""
+
+from pathlib import Path
+
+
+REPO_ROOT = Path(__file__).resolve().parent.parent
+PYPROJECT = REPO_ROOT / "pyproject.toml"
+INSTALL_SH = REPO_ROOT / "scripts" / "install.sh"
+
+
+def test_pyproject_defines_termux_all_without_known_blockers() -> None:
+    text = PYPROJECT.read_text()
+    assert "termux-all = [" in text
+    assert '"hermes-agent[termux]"' in text
+    assert '"hermes-agent[matrix]"' not in text.split("termux-all = [", 1)[1].split("]", 1)[0]
+    assert '"hermes-agent[voice]"' not in text.split("termux-all = [", 1)[1].split("]", 1)[0]
+
+
+def test_install_script_prefers_termux_all_then_fallbacks() -> None:
+    text = INSTALL_SH.read_text()
+    assert "pip install -e '.[termux-all]' -c constraints-termux.txt" in text
+    assert "Termux broad profile (.[termux-all]) failed, trying baseline Termux profile..." in text
+    assert "Termux baseline profile (.[termux]) failed, trying base install..." in text