feat(mcp-proxy): surface role presets

packages/agentveil-mcp-proxy/agentveil_mcp_proxy/cli.py

@@ -1394,6 +1394,7 @@ def doctor_proxy(
                 )
             for warning in warnings:
                 print(f"WARN: {warning}", file=out)
+            _print_role_presets_discoverability_hint(out)
         return 0
     except ProxyCliError as exc:
         if output_json:
@@ -2798,6 +2799,16 @@ def _with_path_args(parts: list[str]) -> str:
     return doctor_cmd, client_cmd
 
 
+_ROLE_PRESETS_DISCOVERABILITY_HINT = (
+    "Role presets: available. Inspect with "
+    "`agentveil-mcp-proxy role doctor --preset reviewer`."
+)
+
+
+def _print_role_presets_discoverability_hint(out: TextIO) -> None:
+    print(_ROLE_PRESETS_DISCOVERABILITY_HINT, file=out)
+
+
 def _add_passphrase_args(parser: argparse.ArgumentParser) -> None:
     parser.add_argument("--passphrase", default=None, help="MCP proxy identity passphrase")
     parser.add_argument("--passphrase-file", type=Path, default=None, help="Read passphrase from file")
@@ -3538,7 +3549,7 @@ def run_redirect_approval_demo_cli(
     "\n"
     "Advanced:\n"
     "  approval-center, client-config, client-doctor, client-run, configure-downstream,\n"
-    "  connect, control, disconnect, downstream, evidence-summary, explain, hook,\n"
+    "  connect, control, disconnect, downstream, evidence-summary, explain, hook, role,\n"
     "  install-claude-hook, permission-doctor, reissue-grant, register, smoke,\n"
     "  status-claude-hook, templates, uninstall-claude-hook, wizard\n"
     "\n"
@@ -4187,6 +4198,35 @@ def build_parser() -> argparse.ArgumentParser:
     )
     _add_json_arg(explain_role)
 
+    role = subparsers.add_parser(
+        "role",
+        help="Inspect static role preset action-boundary behavior",
+        description=(
+            "Inspect what a role preset may read, block, or require approval for. "
+            "Roles map to action-boundary decisions; they are not inferred policy."
+        ),
+        formatter_class=argparse.RawDescriptionHelpFormatter,
+        epilog=(
+            "Examples:\n"
+            "  agentveil-mcp-proxy role doctor --preset reviewer\n"
+            "  agentveil-mcp-proxy explain role --preset reviewer"
+        ),
+    )
+    role_subparsers = role.add_subparsers(dest="role_action", required=True)
+    role_doctor = role_subparsers.add_parser(
+        "doctor",
+        # claim-check: allow "blocked" is bounded role-doctor action-family status text.
+        help="Show allowed, blocked, and approval-required action families by role preset",
+    )
+    _add_common_path_args(role_doctor)
+    role_doctor.add_argument(
+        "--preset",
+        choices=list(ROLE_PRESET_NAMES),
+        default=None,
+        help="Inspect one preset; default reads role_preset from config or the preset set",
+    )
+    _add_json_arg(role_doctor)
+
     templates = subparsers.add_parser(
         "templates",
         help="Print copy-paste runnable starter commands for review/build/readonly agents",
@@ -6479,6 +6519,7 @@ def main(argv: list[str] | None = None) -> int:
                 )
                 print(f"Next: {doctor_cmd}")
                 print(f"      {client_cmd}")
+                _print_role_presets_discoverability_hint(sys.stdout)
             return 0
         if args.command == "doctor":
             return doctor_proxy(
@@ -6784,6 +6825,15 @@ def main(argv: list[str] | None = None) -> int:
                 preset=args.preset,
                 output_json=args.json_output,
             )
+        if args.command == "role":
+            if args.role_action != "doctor":
+                raise ProxyCliError("role action must be doctor")
+            return explain_role_proxy(
+                home=args.home,
+                config_path=args.config,
+                preset=args.preset,
+                output_json=args.json_output,
+            )
         if args.command == "templates":
             if args.templates_action != "print":
                 raise ProxyCliError("templates action must be print")

packages/agentveil-mcp-proxy/agentveil_mcp_proxy/role_doctor.py

@@ -403,9 +403,10 @@ def build_role_preset_guide(preset_name: str) -> RolePresetGuide:
             approval_required_action_families=POLICY_APPROVAL_ACTION_FAMILIES,
             blocked_action_families=MUTATION_ACTION_FAMILIES,
             summary=(
-                f"{_preset_label(preset.name)} may read and inspect tools; "
+                f"{_preset_label(preset.name)} may read and inspect; "
                 # claim-check: allow "blocked" is bounded role-doctor status text.
-                "mutation and command actions are blocked by role authority."
+                "file changes and shell commands are blocked at the action boundary. "
+                "Hand implementation work to an Implementer or Build agent."
             ),
         )
     return RolePresetGuide(
@@ -453,7 +454,11 @@ def format_role_doctor_report(report: Mapping[str, Any]) -> str:
     """Render human-readable role doctor output."""
 
     if "presets" in report:
-        lines = ["Role doctor: preset capabilities", ""]
+        lines = [
+            "Role doctor: static action-boundary map for role presets.",
+            "Roles provide context for allow, approval, and deny decisions.",
+            "",
+        ]
         for preset_report in report["presets"]:
             lines.append(format_role_doctor_report(preset_report))
             lines.append("")
@@ -471,6 +476,10 @@ def format_role_doctor_report(report: Mapping[str, Any]) -> str:
         # claim-check: allow "Blocked" is the literal bounded role-doctor label.
         f"Blocked action families: {', '.join(report['blocked_action_families']) or 'none'}",
         f"Summary: {report['summary']}",
+        (
+            "Action boundary: role authority helps decide whether each tool call "
+            "is allowed, needs approval, or is blocked."
+        ),
     ]
     return "\n".join(lines)
 

packages/agentveil-mcp-proxy/tests/test_mcp_proxy_cli.py

@@ -3109,3 +3109,106 @@ def capture_center_start(**kwargs):
     assert rc == 0
     assert captured["proxy_command"] == sys.executable
     _assert_demo_managed_approval_center_stopped(tmp_path / "demo-source-route" / "avp-home")
+
+
+_ROLE_DOCTOR_FORBIDDEN_WORDING = (
+    "AgentVeil learned",
+    "inferred role",
+)
+
+
+def _assert_role_doctor_reviewer_output(output: str) -> None:
+    assert "Preset: reviewer" in output
+    assert "Allowed action families" in output
+    assert "Blocked action families" in output
+    assert "Action boundary:" in output
+    assert "Implementer" in output
+    assert "Build agent" in output
+    lowered = output.lower()
+    for forbidden in _ROLE_DOCTOR_FORBIDDEN_WORDING:
+        assert forbidden.lower() not in lowered
+    assert "adaptive recommendation" not in lowered
+    assert "before local policy" not in lowered
+
+
+def test_role_doctor_reviewer_preset_shows_action_boundary(capsys):
+    assert main(["role", "doctor", "--preset", "reviewer"]) == 0
+    _assert_role_doctor_reviewer_output(capsys.readouterr().out)
+
+
+def test_explain_role_reviewer_still_works(capsys):
+    assert main(["explain", "role", "--preset", "reviewer"]) == 0
+    _assert_role_doctor_reviewer_output(capsys.readouterr().out)
+
+
+def test_role_doctor_and_explain_role_reviewer_match(capsys):
+    assert main(["role", "doctor", "--preset", "reviewer"]) == 0
+    role_output = capsys.readouterr().out
+    assert main(["explain", "role", "--preset", "reviewer"]) == 0
+    explain_output = capsys.readouterr().out
+    assert role_output == explain_output
+
+
+def test_role_doctor_help_is_discoverable(capsys):
+    with pytest.raises(SystemExit) as exc:
+        main(["role", "doctor", "--help"])
+    assert exc.value.code == 0
+    text = capsys.readouterr().out
+    assert "--preset" in text
+    assert "reviewer" in text
+
+
+def test_root_help_lists_role_doctor(capsys):
+    with pytest.raises(SystemExit) as exc:
+        main(["--help"])
+    assert exc.value.code == 0
+    text = capsys.readouterr().out
+    advanced = text.split("Advanced:", 1)[1].split("Typical first-run path:", 1)[0]
+    assert "role" in advanced
+
+
+def test_doctor_human_output_includes_role_presets_hint(tmp_path):
+    home = tmp_path / "avp-home"
+    init_proxy(home=home, agent_name="proxy", passphrase=TEST_PASSPHRASE)
+    out = io.StringIO()
+    assert doctor_proxy(home=home, passphrase=TEST_PASSPHRASE, out=out) == 0
+    text = out.getvalue()
+    assert proxy_cli._ROLE_PRESETS_DISCOVERABILITY_HINT in text
+    assert "inferred" not in text.lower()
+    assert "adaptive" not in text.lower()
+
+
+def test_doctor_json_output_omits_role_presets_hint(tmp_path):
+    home = tmp_path / "avp-home"
+    init_proxy(home=home, agent_name="proxy", passphrase=TEST_PASSPHRASE)
+    out = io.StringIO()
+    assert doctor_proxy(
+        home=home,
+        passphrase=TEST_PASSPHRASE,
+        output_json=True,
+        out=out,
+    ) == 0
+    payload = json.loads(out.getvalue())
+    serialized = json.dumps(payload)
+    assert proxy_cli._ROLE_PRESETS_DISCOVERABILITY_HINT not in serialized
+    assert "role doctor" not in serialized
+
+
+def test_init_human_output_includes_role_presets_hint(tmp_path, capsys):
+    home = tmp_path / "avp-home"
+    assert main(["init", "--home", str(home), "--plaintext", "--force"]) == 0
+    text = capsys.readouterr().out
+    assert proxy_cli._ROLE_PRESETS_DISCOVERABILITY_HINT in text
+    assert "Next:" in text
+
+
+def test_demo_human_output_omits_role_presets_hint(tmp_path, capsys):
+    work_dir = tmp_path / "demo-no-role-hint"
+    assert main([
+        "demo",
+        "--work-dir",
+        str(work_dir),
+        "--demo-auto-approve",
+    ]) == 0
+    text = capsys.readouterr().out
+    assert proxy_cli._ROLE_PRESETS_DISCOVERABILITY_HINT not in text