feat(cli): add --quiet/-q flag

cli/main.py

@@ -31,7 +31,7 @@
     ],
 }
 
-_GLOBAL_FLAGS = {"-v", "--verbose"}
+_GLOBAL_FLAGS = {"-v", "--verbose", "-q", "--quiet"}
 _GLOBAL_OPTIONS = {"--profile", "--format"}
 
 
@@ -83,14 +83,26 @@ def _hoist_global_options(args: list[str]) -> list[str]:
     default=False,
     help="Show progress details (run IDs, spinners, status messages).",
 )
+@click.option(
+    "--quiet",
+    "-q",
+    is_flag=True,
+    default=False,
+    help="Suppress non-essential output (update notices, progress info).",
+)
 @click.pass_context
 def cli(
-    ctx: click.Context, profile: str | None, output_format: str, verbose: bool
+    ctx: click.Context,
+    profile: str | None,
+    output_format: str,
+    verbose: bool,
+    quiet: bool,
 ) -> None:
     ctx.obj = CliContext(
         profile_override=profile,
         output_format=OutputFormat(output_format),
         verbose=verbose,
+        quiet=quiet,
     )
 
 
@@ -100,7 +112,8 @@ def cli(
 def main() -> None:
     """entry point; hoists global options then invokes click."""
     sys.argv[1:] = _hoist_global_options(sys.argv[1:])
-    check_for_updates()
+    if "-q" not in sys.argv and "--quiet" not in sys.argv:
+        check_for_updates()
     cli()
 
 

cli/types/context.py

@@ -12,3 +12,4 @@ class CliContext:
     profile_override: str | None = None
     output_format: OutputFormat = field(default=OutputFormat.JSON)
     verbose: bool = False
+    quiet: bool = False

tests/test_main.py

@@ -1,6 +1,11 @@
 from __future__ import annotations
 
-from cli.main import _hoist_global_options
+from unittest.mock import patch
+
+from click.testing import CliRunner
+
+from cli.main import _hoist_global_options, cli
+from cli.types.context import CliContext
 
 
 class TestHoistGlobalOptions:
@@ -46,3 +51,84 @@ def test_verbose_long_form(self):
         args = ["auth", "list", "--verbose"]
         result = _hoist_global_options(args)
         assert result[0] == "--verbose"
+
+    def test_hoist_quiet_short(self):
+        result = _hoist_global_options(["realtime", "prices", "-q"])
+        assert result == ["-q", "realtime", "prices"]
+
+    def test_hoist_quiet_long(self):
+        result = _hoist_global_options(["realtime", "--quiet", "prices"])
+        assert result == ["--quiet", "realtime", "prices"]
+
+    def test_hoist_quiet_and_verbose(self):
+        result = _hoist_global_options(["realtime", "-q", "-v"])
+        assert result == ["-q", "-v", "realtime"]
+
+    def test_hoist_quiet_with_profile(self):
+        result = _hoist_global_options(
+            ["explorer", "run", "--quiet", "--profile", "dev"]
+        )
+        assert result == ["--quiet", "--profile", "dev", "explorer", "run"]
+
+
+class TestQuietFlag:
+    """--quiet / -q sets quiet=True on CliContext."""
+
+    @staticmethod
+    def _invoke_cli(args: list[str]) -> CliContext:
+        """Invoke cli group and return the CliContext stored in ctx.obj."""
+        import click as _click
+
+        captured: dict = {}
+
+        @cli.command("_test_noop")
+        @_click.pass_context
+        def _noop(ctx: _click.Context) -> None:
+            captured["obj"] = ctx.obj
+
+        try:
+            runner = CliRunner()
+            result = runner.invoke(cli, args + ["_test_noop"])
+            assert result.exit_code == 0, result.output
+            return captured["obj"]
+        finally:
+            cli.commands.pop("_test_noop", None)  # type: ignore[union-attr]
+
+    def test_quiet_long_flag(self):
+        ctx = self._invoke_cli(["--quiet"])
+        assert isinstance(ctx, CliContext)
+        assert ctx.quiet is True
+
+    def test_quiet_short_flag(self):
+        ctx = self._invoke_cli(["-q"])
+        assert isinstance(ctx, CliContext)
+        assert ctx.quiet is True
+
+    def test_default_quiet_is_false(self):
+        ctx = self._invoke_cli([])
+        assert isinstance(ctx, CliContext)
+        assert ctx.quiet is False
+
+
+class TestMainQuietSuppressesUpdateCheck:
+    """main() skips check_for_updates when -q/--quiet is in sys.argv."""
+
+    @patch("cli.main.check_for_updates")
+    @patch("cli.main.cli")
+    def test_quiet_suppresses_update_check(self, mock_cli, mock_check):
+        with patch("cli.main.sys") as mock_sys:
+            mock_sys.argv = ["allium", "-q"]
+            from cli.main import main
+
+            main()
+            mock_check.assert_not_called()
+
+    @patch("cli.main.check_for_updates")
+    @patch("cli.main.cli")
+    def test_no_quiet_runs_update_check(self, mock_cli, mock_check):
+        with patch("cli.main.sys") as mock_sys:
+            mock_sys.argv = ["allium", "realtime"]
+            from cli.main import main
+
+            main()
+            mock_check.assert_called_once()