Merge branch 'main' of github.com:NousResearch/hermes-agent into feat/ink-refactor

# Conflicts:
#	gateway/platforms/base.py
#	gateway/run.py
#	tests/gateway/test_command_bypass_active_session.py

tests/cli/test_cli_status_command.py

@@ -0,0 +1,85 @@
+"""Tests for CLI /status command behavior."""
+from datetime import datetime
+from types import SimpleNamespace
+from unittest.mock import MagicMock, patch
+
+from cli import HermesCLI
+from hermes_cli.commands import resolve_command
+
+
+def _make_cli():
+    cli_obj = HermesCLI.__new__(HermesCLI)
+    cli_obj.config = {}
+    cli_obj.console = MagicMock()
+    cli_obj.agent = None
+    cli_obj.conversation_history = []
+    cli_obj.session_id = "session-123"
+    cli_obj._pending_input = MagicMock()
+    cli_obj._status_bar_visible = True
+    cli_obj.model = "openai/gpt-5.4"
+    cli_obj.provider = "openai"
+    cli_obj.session_start = datetime(2026, 4, 9, 19, 24)
+    cli_obj._agent_running = False
+    cli_obj._session_db = MagicMock()
+    cli_obj._session_db.get_session.return_value = None
+    return cli_obj
+
+
+def test_status_command_is_available_in_cli_registry():
+    cmd = resolve_command("status")
+    assert cmd is not None
+    assert cmd.gateway_only is False
+
+
+def test_process_command_status_dispatches_without_toggling_status_bar():
+    cli_obj = _make_cli()
+
+    with patch.object(cli_obj, "_show_session_status", create=True) as mock_status:
+        assert cli_obj.process_command("/status") is True
+
+    mock_status.assert_called_once_with()
+    assert cli_obj._status_bar_visible is True
+
+
+def test_statusbar_still_toggles_visibility():
+    cli_obj = _make_cli()
+
+    assert cli_obj.process_command("/statusbar") is True
+    assert cli_obj._status_bar_visible is False
+
+
+def test_status_prefix_prefers_status_command_over_statusbar_toggle():
+    cli_obj = _make_cli()
+
+    with patch.object(cli_obj, "_show_session_status") as mock_status:
+        assert cli_obj.process_command("/sta") is True
+
+    mock_status.assert_called_once_with()
+    assert cli_obj._status_bar_visible is True
+
+
+def test_show_session_status_prints_gateway_style_summary():
+    cli_obj = _make_cli()
+    cli_obj.agent = SimpleNamespace(
+        session_total_tokens=321,
+        session_api_calls=4,
+    )
+    cli_obj._session_db.get_session.return_value = {
+        "title": "My titled session",
+        "started_at": 1775791440,
+    }
+
+    with patch("cli.display_hermes_home", return_value="~/.hermes"):
+        cli_obj._show_session_status()
+
+    printed = "\n".join(str(call.args[0]) for call in cli_obj.console.print.call_args_list)
+    assert "Hermes CLI Status" in printed
+    assert "Session ID: session-123" in printed
+    assert "Path: ~/.hermes" in printed
+    assert "Title: My titled session" in printed
+    assert "Model: openai/gpt-5.4 (openai)" in printed
+    assert "Tokens: 321" in printed
+    assert "Agent Running: No" in printed
+    _, kwargs = cli_obj.console.print.call_args
+    assert kwargs.get("highlight") is False
+    assert kwargs.get("markup") is False

tests/cli/test_fast_command.py

@@ -0,0 +1,413 @@
+"""Tests for the /fast CLI command and service-tier config handling."""
+
+import unittest
+from types import SimpleNamespace
+from unittest.mock import MagicMock, patch
+
+
+def _import_cli():
+    import hermes_cli.config as config_mod
+
+    if not hasattr(config_mod, "save_env_value_secure"):
+        config_mod.save_env_value_secure = lambda key, value: {
+            "success": True,
+            "stored_as": key,
+            "validated": False,
+        }
+
+    import cli as cli_mod
+
+    return cli_mod
+
+
+class TestParseServiceTierConfig(unittest.TestCase):
+    def _parse(self, raw):
+        cli_mod = _import_cli()
+        return cli_mod._parse_service_tier_config(raw)
+
+    def test_fast_maps_to_priority(self):
+        self.assertEqual(self._parse("fast"), "priority")
+        self.assertEqual(self._parse("priority"), "priority")
+
+    def test_normal_disables_service_tier(self):
+        self.assertIsNone(self._parse("normal"))
+        self.assertIsNone(self._parse("off"))
+        self.assertIsNone(self._parse(""))
+
+
+class TestHandleFastCommand(unittest.TestCase):
+    def _make_cli(self, service_tier=None):
+        return SimpleNamespace(
+            service_tier=service_tier,
+            provider="openai-codex",
+            requested_provider="openai-codex",
+            model="gpt-5.4",
+            _fast_command_available=lambda: True,
+            agent=MagicMock(),
+        )
+
+    def test_no_args_shows_status(self):
+        cli_mod = _import_cli()
+        stub = self._make_cli(service_tier=None)
+        with (
+            patch.object(cli_mod, "_cprint") as mock_cprint,
+            patch.object(cli_mod, "save_config_value") as mock_save,
+        ):
+            cli_mod.HermesCLI._handle_fast_command(stub, "/fast")
+
+        # Bare /fast shows status, does not change config
+        mock_save.assert_not_called()
+        # Should have printed the status line
+        printed = " ".join(str(c) for c in mock_cprint.call_args_list)
+        self.assertIn("normal", printed)
+
+    def test_no_args_shows_fast_when_enabled(self):
+        cli_mod = _import_cli()
+        stub = self._make_cli(service_tier="priority")
+        with (
+            patch.object(cli_mod, "_cprint") as mock_cprint,
+            patch.object(cli_mod, "save_config_value") as mock_save,
+        ):
+            cli_mod.HermesCLI._handle_fast_command(stub, "/fast")
+
+        mock_save.assert_not_called()
+        printed = " ".join(str(c) for c in mock_cprint.call_args_list)
+        self.assertIn("fast", printed)
+
+    def test_normal_argument_clears_service_tier(self):
+        cli_mod = _import_cli()
+        stub = self._make_cli(service_tier="priority")
+        with (
+            patch.object(cli_mod, "_cprint"),
+            patch.object(cli_mod, "save_config_value", return_value=True) as mock_save,
+        ):
+            cli_mod.HermesCLI._handle_fast_command(stub, "/fast normal")
+
+        mock_save.assert_called_once_with("agent.service_tier", "normal")
+        self.assertIsNone(stub.service_tier)
+        self.assertIsNone(stub.agent)
+
+    def test_unsupported_model_does_not_expose_fast(self):
+        cli_mod = _import_cli()
+        stub = SimpleNamespace(
+            service_tier=None,
+            provider="openai-codex",
+            requested_provider="openai-codex",
+            model="gpt-5.3-codex",
+            _fast_command_available=lambda: False,
+            agent=MagicMock(),
+        )
+
+        with (
+            patch.object(cli_mod, "_cprint") as mock_cprint,
+            patch.object(cli_mod, "save_config_value") as mock_save,
+        ):
+            cli_mod.HermesCLI._handle_fast_command(stub, "/fast")
+
+        mock_save.assert_not_called()
+        self.assertTrue(mock_cprint.called)
+
+
+class TestPriorityProcessingModels(unittest.TestCase):
+    """Verify the expanded Priority Processing model registry."""
+
+    def test_all_documented_models_supported(self):
+        from hermes_cli.models import model_supports_fast_mode
+
+        # All models from OpenAI's Priority Processing pricing table
+        supported = [
+            "gpt-5.4", "gpt-5.4-mini", "gpt-5.2",
+            "gpt-5.1", "gpt-5", "gpt-5-mini",
+            "gpt-4.1", "gpt-4.1-mini", "gpt-4.1-nano",
+            "gpt-4o", "gpt-4o-mini",
+            "o3", "o4-mini",
+        ]
+        for model in supported:
+            assert model_supports_fast_mode(model), f"{model} should support fast mode"
+
+    def test_vendor_prefix_stripped(self):
+        from hermes_cli.models import model_supports_fast_mode
+
+        assert model_supports_fast_mode("openai/gpt-5.4") is True
+        assert model_supports_fast_mode("openai/gpt-4.1") is True
+        assert model_supports_fast_mode("openai/o3") is True
+
+    def test_non_priority_models_rejected(self):
+        from hermes_cli.models import model_supports_fast_mode
+
+        assert model_supports_fast_mode("gpt-5.3-codex") is False
+        assert model_supports_fast_mode("claude-sonnet-4") is False
+        assert model_supports_fast_mode("") is False
+        assert model_supports_fast_mode(None) is False
+
+    def test_resolve_overrides_returns_service_tier(self):
+        from hermes_cli.models import resolve_fast_mode_overrides
+
+        result = resolve_fast_mode_overrides("gpt-5.4")
+        assert result == {"service_tier": "priority"}
+
+        result = resolve_fast_mode_overrides("gpt-4.1")
+        assert result == {"service_tier": "priority"}
+
+    def test_resolve_overrides_none_for_unsupported(self):
+        from hermes_cli.models import resolve_fast_mode_overrides
+
+        assert resolve_fast_mode_overrides("gpt-5.3-codex") is None
+        assert resolve_fast_mode_overrides("claude-sonnet-4") is None
+
+
+class TestFastModeRouting(unittest.TestCase):
+    def test_fast_command_exposed_for_model_even_when_provider_is_auto(self):
+        cli_mod = _import_cli()
+        stub = SimpleNamespace(provider="auto", requested_provider="auto", model="gpt-5.4", agent=None)
+
+        assert cli_mod.HermesCLI._fast_command_available(stub) is True
+
+    def test_fast_command_exposed_for_non_codex_models(self):
+        cli_mod = _import_cli()
+        stub = SimpleNamespace(provider="openai", requested_provider="openai", model="gpt-4.1", agent=None)
+        assert cli_mod.HermesCLI._fast_command_available(stub) is True
+
+        stub = SimpleNamespace(provider="openrouter", requested_provider="openrouter", model="o3", agent=None)
+        assert cli_mod.HermesCLI._fast_command_available(stub) is True
+
+    def test_turn_route_injects_overrides_without_provider_switch(self):
+        """Fast mode should add request_overrides but NOT change the provider/runtime."""
+        cli_mod = _import_cli()
+        stub = SimpleNamespace(
+            model="gpt-5.4",
+            api_key="primary-key",
+            base_url="https://openrouter.ai/api/v1",
+            provider="openrouter",
+            api_mode="chat_completions",
+            acp_command=None,
+            acp_args=[],
+            _credential_pool=None,
+            _smart_model_routing={},
+            service_tier="priority",
+        )
+
+        original_runtime = {
+            "api_key": "***",
+            "base_url": "https://openrouter.ai/api/v1",
+            "provider": "openrouter",
+            "api_mode": "chat_completions",
+            "command": None,
+            "args": [],
+            "credential_pool": None,
+        }
+
+        with patch("agent.smart_model_routing.resolve_turn_route", return_value={
+            "model": "gpt-5.4",
+            "runtime": dict(original_runtime),
+            "label": None,
+            "signature": ("gpt-5.4", "openrouter", "https://openrouter.ai/api/v1", "chat_completions", None, ()),
+        }):
+            route = cli_mod.HermesCLI._resolve_turn_agent_config(stub, "hi")
+
+        # Provider should NOT have changed
+        assert route["runtime"]["provider"] == "openrouter"
+        assert route["runtime"]["api_mode"] == "chat_completions"
+        # But request_overrides should be set
+        assert route["request_overrides"] == {"service_tier": "priority"}
+
+    def test_turn_route_keeps_primary_runtime_when_model_has_no_fast_backend(self):
+        cli_mod = _import_cli()
+        stub = SimpleNamespace(
+            model="gpt-5.3-codex",
+            api_key="primary-key",
+            base_url="https://openrouter.ai/api/v1",
+            provider="openrouter",
+            api_mode="chat_completions",
+            acp_command=None,
+            acp_args=[],
+            _credential_pool=None,
+            _smart_model_routing={},
+            service_tier="priority",
+        )
+
+        primary_route = {
+            "model": "gpt-5.3-codex",
+            "runtime": {
+                "api_key": "***",
+                "base_url": "https://openrouter.ai/api/v1",
+                "provider": "openrouter",
+                "api_mode": "chat_completions",
+                "command": None,
+                "args": [],
+                "credential_pool": None,
+            },
+            "label": None,
+            "signature": ("gpt-5.3-codex", "openrouter", "https://openrouter.ai/api/v1", "chat_completions", None, ()),
+        }
+        with patch("agent.smart_model_routing.resolve_turn_route", return_value=primary_route):
+            route = cli_mod.HermesCLI._resolve_turn_agent_config(stub, "hi")
+
+        assert route["runtime"]["provider"] == "openrouter"
+        assert route.get("request_overrides") is None
+
+
+class TestAnthropicFastMode(unittest.TestCase):
+    """Verify Anthropic Fast Mode model support and override resolution."""
+
+    def test_anthropic_opus_supported(self):
+        from hermes_cli.models import model_supports_fast_mode
+
+        # Native Anthropic format (hyphens)
+        assert model_supports_fast_mode("claude-opus-4-6") is True
+        # OpenRouter format (dots)
+        assert model_supports_fast_mode("claude-opus-4.6") is True
+        # With vendor prefix
+        assert model_supports_fast_mode("anthropic/claude-opus-4-6") is True
+        assert model_supports_fast_mode("anthropic/claude-opus-4.6") is True
+
+    def test_anthropic_non_opus_rejected(self):
+        from hermes_cli.models import model_supports_fast_mode
+
+        assert model_supports_fast_mode("claude-sonnet-4-6") is False
+        assert model_supports_fast_mode("claude-sonnet-4.6") is False
+        assert model_supports_fast_mode("claude-haiku-4-5") is False
+        assert model_supports_fast_mode("anthropic/claude-sonnet-4.6") is False
+
+    def test_anthropic_variant_tags_stripped(self):
+        from hermes_cli.models import model_supports_fast_mode
+
+        # OpenRouter variant tags after colon should be stripped
+        assert model_supports_fast_mode("claude-opus-4.6:fast") is True
+        assert model_supports_fast_mode("claude-opus-4.6:beta") is True
+
+    def test_resolve_overrides_returns_speed_for_anthropic(self):
+        from hermes_cli.models import resolve_fast_mode_overrides
+
+        result = resolve_fast_mode_overrides("claude-opus-4-6")
+        assert result == {"speed": "fast"}
+
+        result = resolve_fast_mode_overrides("anthropic/claude-opus-4.6")
+        assert result == {"speed": "fast"}
+
+    def test_resolve_overrides_returns_service_tier_for_openai(self):
+        """OpenAI models should still get service_tier, not speed."""
+        from hermes_cli.models import resolve_fast_mode_overrides
+
+        result = resolve_fast_mode_overrides("gpt-5.4")
+        assert result == {"service_tier": "priority"}
+
+    def test_is_anthropic_fast_model(self):
+        from hermes_cli.models import _is_anthropic_fast_model
+
+        assert _is_anthropic_fast_model("claude-opus-4-6") is True
+        assert _is_anthropic_fast_model("claude-opus-4.6") is True
+        assert _is_anthropic_fast_model("anthropic/claude-opus-4-6") is True
+        assert _is_anthropic_fast_model("gpt-5.4") is False
+        assert _is_anthropic_fast_model("claude-sonnet-4-6") is False
+
+    def test_fast_command_exposed_for_anthropic_model(self):
+        cli_mod = _import_cli()
+        stub = SimpleNamespace(
+            provider="anthropic", requested_provider="anthropic",
+            model="claude-opus-4-6", agent=None,
+        )
+        assert cli_mod.HermesCLI._fast_command_available(stub) is True
+
+    def test_fast_command_hidden_for_anthropic_sonnet(self):
+        cli_mod = _import_cli()
+        stub = SimpleNamespace(
+            provider="anthropic", requested_provider="anthropic",
+            model="claude-sonnet-4-6", agent=None,
+        )
+        assert cli_mod.HermesCLI._fast_command_available(stub) is False
+
+    def test_turn_route_injects_speed_for_anthropic(self):
+        """Anthropic models should get speed:'fast' override, not service_tier."""
+        cli_mod = _import_cli()
+        stub = SimpleNamespace(
+            model="claude-opus-4-6",
+            api_key="sk-ant-test",
+            base_url="https://api.anthropic.com",
+            provider="anthropic",
+            api_mode="anthropic_messages",
+            acp_command=None,
+            acp_args=[],
+            _credential_pool=None,
+            _smart_model_routing={},
+            service_tier="priority",
+        )
+
+        original_runtime = {
+            "api_key": "***",
+            "base_url": "https://api.anthropic.com",
+            "provider": "anthropic",
+            "api_mode": "anthropic_messages",
+            "command": None,
+            "args": [],
+            "credential_pool": None,
+        }
+
+        with patch("agent.smart_model_routing.resolve_turn_route", return_value={
+            "model": "claude-opus-4-6",
+            "runtime": dict(original_runtime),
+            "label": None,
+            "signature": ("claude-opus-4-6", "anthropic", "https://api.anthropic.com", "anthropic_messages", None, ()),
+        }):
+            route = cli_mod.HermesCLI._resolve_turn_agent_config(stub, "hi")
+
+        assert route["runtime"]["provider"] == "anthropic"
+        assert route["request_overrides"] == {"speed": "fast"}
+
+
+class TestAnthropicFastModeAdapter(unittest.TestCase):
+    """Verify build_anthropic_kwargs handles fast_mode parameter."""
+
+    def test_fast_mode_adds_speed_and_beta(self):
+        from agent.anthropic_adapter import build_anthropic_kwargs, _FAST_MODE_BETA
+
+        kwargs = build_anthropic_kwargs(
+            model="claude-opus-4-6",
+            messages=[{"role": "user", "content": [{"type": "text", "text": "hi"}]}],
+            tools=None,
+            max_tokens=None,
+            reasoning_config=None,
+            fast_mode=True,
+        )
+        assert kwargs.get("speed") == "fast"
+        assert "extra_headers" in kwargs
+        assert _FAST_MODE_BETA in kwargs["extra_headers"].get("anthropic-beta", "")
+
+    def test_fast_mode_off_no_speed(self):
+        from agent.anthropic_adapter import build_anthropic_kwargs
+
+        kwargs = build_anthropic_kwargs(
+            model="claude-opus-4-6",
+            messages=[{"role": "user", "content": [{"type": "text", "text": "hi"}]}],
+            tools=None,
+            max_tokens=None,
+            reasoning_config=None,
+            fast_mode=False,
+        )
+        assert "speed" not in kwargs
+        assert "extra_headers" not in kwargs
+
+    def test_fast_mode_skipped_for_third_party_endpoint(self):
+        from agent.anthropic_adapter import build_anthropic_kwargs
+
+        kwargs = build_anthropic_kwargs(
+            model="claude-opus-4-6",
+            messages=[{"role": "user", "content": [{"type": "text", "text": "hi"}]}],
+            tools=None,
+            max_tokens=None,
+            reasoning_config=None,
+            fast_mode=True,
+            base_url="https://api.minimax.io/anthropic/v1",
+        )
+        # Third-party endpoints should NOT get speed or fast-mode beta
+        assert "speed" not in kwargs
+        assert "extra_headers" not in kwargs
+
+
+class TestConfigDefault(unittest.TestCase):
+    def test_default_config_has_service_tier(self):
+        from hermes_cli.config import DEFAULT_CONFIG
+
+        agent = DEFAULT_CONFIG.get("agent", {})
+        self.assertIn("service_tier", agent)
+        self.assertEqual(agent["service_tier"], "")

tests/cli/test_manual_compress.py

@@ -0,0 +1,66 @@
+"""Tests for CLI manual compression messaging."""
+
+from unittest.mock import MagicMock, patch
+
+from tests.cli.test_cli_init import _make_cli
+
+
+def _make_history() -> list[dict[str, str]]:
+    return [
+        {"role": "user", "content": "one"},
+        {"role": "assistant", "content": "two"},
+        {"role": "user", "content": "three"},
+        {"role": "assistant", "content": "four"},
+    ]
+
+
+def test_manual_compress_reports_noop_without_success_banner(capsys):
+    shell = _make_cli()
+    history = _make_history()
+    shell.conversation_history = history
+    shell.agent = MagicMock()
+    shell.agent.compression_enabled = True
+    shell.agent._cached_system_prompt = ""
+    shell.agent._compress_context.return_value = (list(history), "")
+
+    def _estimate(messages):
+        assert messages == history
+        return 100
+
+    with patch("agent.model_metadata.estimate_messages_tokens_rough", side_effect=_estimate):
+        shell._manual_compress()
+
+    output = capsys.readouterr().out
+    assert "No changes from compression" in output
+    assert "✅ Compressed" not in output
+    assert "Rough transcript estimate: ~100 tokens (unchanged)" in output
+
+
+def test_manual_compress_explains_when_token_estimate_rises(capsys):
+    shell = _make_cli()
+    history = _make_history()
+    compressed = [
+        history[0],
+        {"role": "assistant", "content": "Dense summary that still counts as more tokens."},
+        history[-1],
+    ]
+    shell.conversation_history = history
+    shell.agent = MagicMock()
+    shell.agent.compression_enabled = True
+    shell.agent._cached_system_prompt = ""
+    shell.agent._compress_context.return_value = (compressed, "")
+
+    def _estimate(messages):
+        if messages == history:
+            return 100
+        if messages == compressed:
+            return 120
+        raise AssertionError(f"unexpected transcript: {messages!r}")
+
+    with patch("agent.model_metadata.estimate_messages_tokens_rough", side_effect=_estimate):
+        shell._manual_compress()
+
+    output = capsys.readouterr().out
+    assert "✅ Compressed: 4 → 3 messages" in output
+    assert "Rough transcript estimate: ~100 → ~120 tokens" in output
+    assert "denser summaries" in output

tests/cli/test_reasoning_command.py

@@ -619,17 +619,14 @@ class TestReasoningDeltasFiredFlag(unittest.TestCase):
         agent = AIAgent.__new__(AIAgent)
         agent.reasoning_callback = None
         agent.stream_delta_callback = None
-        agent._reasoning_deltas_fired = False
         agent.verbose_logging = False
         return agent
 
-    def test_fire_reasoning_delta_sets_flag(self):
+    def test_fire_reasoning_delta_calls_callback(self):
         agent = self._make_agent()
         captured = []
         agent.reasoning_callback = lambda t: captured.append(t)
-        self.assertFalse(agent._reasoning_deltas_fired)
         agent._fire_reasoning_delta("thinking...")
-        self.assertTrue(agent._reasoning_deltas_fired)
         self.assertEqual(captured, ["thinking..."])
 
     def test_build_assistant_message_skips_callback_when_already_streamed(self):
@@ -640,8 +637,7 @@ class TestReasoningDeltasFiredFlag(unittest.TestCase):
         agent.reasoning_callback = lambda t: captured.append(t)
         agent.stream_delta_callback = lambda t: None  # streaming is active
 
-        # Simulate streaming having fired reasoning
-        agent._reasoning_deltas_fired = True
+        # Simulate streaming having already fired reasoning
 
         msg = SimpleNamespace(
             content="I'll merge that.",
@@ -665,9 +661,8 @@ class TestReasoningDeltasFiredFlag(unittest.TestCase):
         agent.reasoning_callback = lambda t: captured.append(t)
         agent.stream_delta_callback = lambda t: None  # streaming active
 
-        # Even though _reasoning_deltas_fired is False (reasoning came through
-        # content tags, not reasoning_content deltas), callback should not fire
-        agent._reasoning_deltas_fired = False
+        # Reasoning came through content tags, not reasoning_content deltas.
+        # Callback should not fire since streaming is active.
 
         msg = SimpleNamespace(
             content="I'll merge that.",
@@ -689,7 +684,6 @@ class TestReasoningDeltasFiredFlag(unittest.TestCase):
         agent.reasoning_callback = lambda t: captured.append(t)
         # No streaming
         agent.stream_delta_callback = None
-        agent._reasoning_deltas_fired = False
 
         msg = SimpleNamespace(
             content="I'll merge that.",

tests/cli/test_stream_delta_think_tag.py

@@ -0,0 +1,138 @@
+"""Tests for _stream_delta's handling of <think> tags in prose vs real reasoning blocks."""
+import sys
+import os
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", ".."))
+
+import pytest
+
+
+def _make_cli_stub():
+    """Create a minimal HermesCLI-like object with stream state."""
+    from cli import HermesCLI
+
+    cli = HermesCLI.__new__(HermesCLI)
+    cli.show_reasoning = False
+    cli._stream_buf = ""
+    cli._stream_started = False
+    cli._stream_box_opened = False
+    cli._stream_prefilt = ""
+    cli._in_reasoning_block = False
+    cli._reasoning_stream_started = False
+    cli._reasoning_box_opened = False
+    cli._reasoning_buf = ""
+    cli._reasoning_preview_buf = ""
+    cli._deferred_content = ""
+    cli._stream_text_ansi = ""
+    cli._stream_needs_break = False
+    cli._emitted = []
+
+    # Mock _emit_stream_text to capture output
+    def mock_emit(text):
+        cli._emitted.append(text)
+    cli._emit_stream_text = mock_emit
+
+    # Mock _stream_reasoning_delta
+    cli._reasoning_emitted = []
+    def mock_reasoning(text):
+        cli._reasoning_emitted.append(text)
+    cli._stream_reasoning_delta = mock_reasoning
+
+    return cli
+
+
+class TestThinkTagInProse:
+    """<think> mentioned in prose should NOT trigger reasoning suppression."""
+
+    def test_think_tag_mid_sentence(self):
+        """'(/think not producing <think> tags)' should pass through."""
+        cli = _make_cli_stub()
+        tokens = [
+            "  1. Fix reasoning mode in eval ",
+            "(/think not producing ",
+            "<think>",
+            " tags — ~2% gap)",
+            "\n  2. Launch production",
+        ]
+        for t in tokens:
+            cli._stream_delta(t)
+        assert not cli._in_reasoning_block, "<think> in prose should not enter reasoning block"
+        full = "".join(cli._emitted)
+        assert "<think>" in full, "The literal <think> tag should be in the emitted text"
+        assert "Launch production" in full
+
+    def test_think_tag_after_text_on_same_line(self):
+        """'some text <think>' should NOT trigger reasoning."""
+        cli = _make_cli_stub()
+        cli._stream_delta("Here is the <think> tag explanation")
+        assert not cli._in_reasoning_block
+        full = "".join(cli._emitted)
+        assert "<think>" in full
+
+    def test_think_tag_in_backticks(self):
+        """'`<think>`' should NOT trigger reasoning."""
+        cli = _make_cli_stub()
+        cli._stream_delta("Use the `<think>` tag for reasoning")
+        assert not cli._in_reasoning_block
+
+
+class TestRealReasoningBlock:
+    """Real <think> tags at block boundaries should still be caught."""
+
+    def test_think_at_start_of_stream(self):
+        """'<think>reasoning</think>answer' should suppress reasoning."""
+        cli = _make_cli_stub()
+        cli._stream_delta("<think>")
+        assert cli._in_reasoning_block
+        cli._stream_delta("I need to analyze this")
+        cli._stream_delta("</think>")
+        assert not cli._in_reasoning_block
+        cli._stream_delta("Here is my answer")
+        full = "".join(cli._emitted)
+        assert "Here is my answer" in full
+        assert "I need to analyze" not in full  # reasoning was suppressed
+
+    def test_think_after_newline(self):
+        """'text\\n<think>' should trigger reasoning block."""
+        cli = _make_cli_stub()
+        cli._stream_delta("Some preamble\n<think>")
+        assert cli._in_reasoning_block
+        full = "".join(cli._emitted)
+        assert "Some preamble" in full
+
+    def test_think_after_newline_with_whitespace(self):
+        """'text\\n  <think>' should trigger reasoning block."""
+        cli = _make_cli_stub()
+        cli._stream_delta("Some preamble\n  <think>")
+        assert cli._in_reasoning_block
+
+    def test_think_with_only_whitespace_before(self):
+        """'   <think>' (whitespace only prefix) should trigger."""
+        cli = _make_cli_stub()
+        cli._stream_delta("   <think>")
+        assert cli._in_reasoning_block
+
+
+class TestFlushRecovery:
+    """_flush_stream should recover content from false-positive reasoning blocks."""
+
+    def test_flush_recovers_buffered_content(self):
+        """If somehow in reasoning block at flush, content is recovered."""
+        cli = _make_cli_stub()
+        # Manually set up a false-positive state
+        cli._in_reasoning_block = True
+        cli._stream_prefilt = " tags — ~2% gap)\n  2. Launch production"
+        cli._stream_box_opened = True
+
+        # Mock _close_reasoning_box and box closing
+        cli._close_reasoning_box = lambda: None
+
+        # Call flush
+        from unittest.mock import patch
+        import shutil
+        with patch.object(shutil, "get_terminal_size", return_value=os.terminal_size((80, 24))):
+            with patch("cli._cprint"):
+                cli._flush_stream()
+
+        assert not cli._in_reasoning_block
+        full = "".join(cli._emitted)
+        assert "Launch production" in full