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https://github.com/NousResearch/hermes-agent.git
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ac6dd598a4
The desktop app's chat panel reuses tui_gateway as its backend, so every chat session was stamped platform="tui". That made the agent read terminal-specific platform guidance while running in the graphical desktop chat surface. Resolve the misclassification at its source: tui_gateway now picks platform="desktop" when HERMES_DESKTOP=1 and HERMES_DESKTOP_TERMINAL is unset, and keeps platform="tui" for the embedded terminal pane and standalone TUI. Add a PLATFORM_HINTS["desktop"] entry describing the actual chat surface (full GFM markdown, MEDIA: intercept, inline images). Move the embedded-pane clarifier to the platform-hint resolution site so it appends only to the tui hint under HERMES_DESKTOP_TERMINAL=1. Delete the now-dead desktop-hint block from build_environment_hints() that competed with the platform hint. Standalone TUI sessions produce byte-identical prompts as before; the new desktop hint and clarifier are assembled once per session in the stable tier, so prompt caching is preserved.
147 lines
6 KiB
Python
147 lines
6 KiB
Python
"""Platform/source tagging for the desktop chat surface.
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The desktop app's chat panel uses ``hermes serve`` (the ``tui_gateway``
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backend), so every chat session historically got ``platform="tui"`` stamped
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on it — even though the user is in a graphical chat surface, not a
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terminal. That mis-tag is why the agent suggested TUI-only slash commands
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(like ``/reload-mcp``) to desktop chat users.
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These tests pin the env-var matrix that resolves the session platform at
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``tui_gateway`` session-creation time:
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HERMES_DESKTOP=1, HERMES_DESKTOP_TERMINAL unset -> platform="desktop"
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HERMES_DESKTOP=1, HERMES_DESKTOP_TERMINAL=1 -> platform="tui" (embedded pane)
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neither set -> platform="tui" (standalone)
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The resolver helper is import-safe (no heavy module side effects) so it
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can be unit-tested without spinning up the full gateway.
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"""
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import importlib
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import pytest
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def _reload_resolver():
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import tui_gateway.server as _srv
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importlib.reload(_srv)
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return _srv
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@pytest.fixture
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def clean_env(monkeypatch):
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monkeypatch.delenv("HERMES_DESKTOP", raising=False)
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monkeypatch.delenv("HERMES_DESKTOP_TERMINAL", raising=False)
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return monkeypatch
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class TestResolveSessionPlatform:
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def test_standalone_tui_neither_env_set(self, clean_env):
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_srv = _reload_resolver()
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assert _srv._resolve_session_platform() == "tui"
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def test_desktop_chat_backend_gets_desktop_tag(self, clean_env):
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clean_env.setenv("HERMES_DESKTOP", "1")
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_srv = _reload_resolver()
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assert _srv._resolve_session_platform() == "desktop"
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def test_desktop_embedded_terminal_pane_stays_tui(self, clean_env):
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clean_env.setenv("HERMES_DESKTOP", "1")
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clean_env.setenv("HERMES_DESKTOP_TERMINAL", "1")
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_srv = _reload_resolver()
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assert _srv._resolve_session_platform() == "tui"
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def test_desktop_terminal_alone_means_standalone_tui(self, clean_env):
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clean_env.setenv("HERMES_DESKTOP_TERMINAL", "1")
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_srv = _reload_resolver()
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assert _srv._resolve_session_platform() == "tui"
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@pytest.mark.parametrize("val", ["1", "true", "yes", "on", "TRUE", "Yes", "ON"])
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def test_truthy_variants_recognized(self, clean_env, val):
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clean_env.setenv("HERMES_DESKTOP", val)
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_srv = _reload_resolver()
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assert _srv._resolve_session_platform() == "desktop"
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@pytest.mark.parametrize("val", ["0", "false", "", "no", "off", "False"])
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def test_falsy_variants_fall_back_to_tui(self, clean_env, val):
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clean_env.setenv("HERMES_DESKTOP", val)
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_srv = _reload_resolver()
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assert _srv._resolve_session_platform() == "tui"
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def test_embedded_terminal_overrides_desktop_when_both_set(self, clean_env):
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"""The terminal-pane qualifier must short-circuit the desktop-backend
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marker. An embedded TUI is a TUI, not a desktop chat surface."""
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clean_env.setenv("HERMES_DESKTOP", "1")
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clean_env.setenv("HERMES_DESKTOP_TERMINAL", "true")
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_srv = _reload_resolver()
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assert _srv._resolve_session_platform() == "tui"
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class TestResolveSessionSource:
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def test_explicit_source_param_wins(self, clean_env):
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_srv = _reload_resolver()
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assert _srv._resolve_session_source("telegram") == "telegram"
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def test_explicit_empty_source_falls_back_to_env(self, clean_env):
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clean_env.setenv("HERMES_DESKTOP", "1")
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_srv = _reload_resolver()
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assert _srv._resolve_session_source("") == "desktop"
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def test_explicit_none_source_falls_back_to_env(self, clean_env):
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clean_env.setenv("HERMES_DESKTOP", "1")
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_srv = _reload_resolver()
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assert _srv._resolve_session_source(None) == "desktop"
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def test_no_env_no_param_defaults_to_tui(self, clean_env):
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_srv = _reload_resolver()
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assert _srv._resolve_session_source(None) == "tui"
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def test_embedded_terminal_default_is_tui(self, clean_env):
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clean_env.setenv("HERMES_DESKTOP", "1")
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clean_env.setenv("HERMES_DESKTOP_TERMINAL", "1")
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_srv = _reload_resolver()
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assert _srv._resolve_session_source(None) == "tui"
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def test_explicit_source_param_resists_env_drift(self, clean_env):
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"""A caller that explicitly passes source="cli" must not be silently
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rewritten to "desktop" by env vars — the resolver only fills in the
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default when one is missing."""
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clean_env.setenv("HERMES_DESKTOP", "1")
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_srv = _reload_resolver()
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assert _srv._resolve_session_source("cli") == "cli"
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class TestResolveAgentPlatform:
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def test_explicit_desktop_source_drives_agent_platform_without_env(self, clean_env):
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_srv = _reload_resolver()
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assert _srv._resolve_agent_platform("desktop") == "desktop"
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def test_missing_source_falls_back_to_env_resolved_platform(self, clean_env):
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clean_env.setenv("HERMES_DESKTOP", "1")
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_srv = _reload_resolver()
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assert _srv._resolve_agent_platform(None) == "desktop"
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def test_explicit_tui_source_keeps_embedded_terminal_as_tui(self, clean_env):
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clean_env.setenv("HERMES_DESKTOP", "1")
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_srv = _reload_resolver()
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assert _srv._resolve_agent_platform("tui") == "tui"
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class TestSessionSourceFallback:
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def test_session_source_uses_existing_session_value(self, clean_env):
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clean_env.setenv("HERMES_DESKTOP", "1")
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_srv = _reload_resolver()
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assert _srv._session_source({"source": "telegram"}) == "telegram"
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def test_session_source_defaults_to_desktop_under_desktop_backend(self, clean_env):
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clean_env.setenv("HERMES_DESKTOP", "1")
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_srv = _reload_resolver()
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assert _srv._session_source({}) == "desktop"
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assert _srv._session_source(None) == "desktop"
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def test_session_source_defaults_to_tui_for_embedded_terminal(self, clean_env):
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clean_env.setenv("HERMES_DESKTOP", "1")
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clean_env.setenv("HERMES_DESKTOP_TERMINAL", "1")
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_srv = _reload_resolver()
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assert _srv._session_source({}) == "tui"
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assert _srv._session_source(None) == "tui"
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