diff --git a/nix/tui.nix b/nix/tui.nix
index b8ead660f77c..31d5220274e2 100644
--- a/nix/tui.nix
+++ b/nix/tui.nix
@@ -4,7 +4,7 @@ let
   src = ../ui-tui;
   npmDeps = pkgs.fetchNpmDeps {
     inherit src;
-    hash = "sha256-kJdrhcyCtRTecQBMYbv05ZBD0trnKRbpKhej5eGDJpw=";
+    hash = "sha256-q3Dqx7B9AK/H7ji/XoMkLOxUNH0uTUqoemu+hSiqr5I=";
   };
 
   npm = hermesNpmLib.mkNpmPassthru { folder = "ui-tui"; attr = "tui"; pname = "hermes-tui"; };
diff --git a/nix/web.nix b/nix/web.nix
index 3bbc2998d5ed..d577f41126e8 100644
--- a/nix/web.nix
+++ b/nix/web.nix
@@ -4,7 +4,7 @@ let
   src = ../web;
   npmDeps = pkgs.fetchNpmDeps {
     inherit src;
-    hash = "sha256-ZIcAGppxrXBIIdRgV8V2HHFVkwzFjwUgLLfc5wDDLo8=";
+    hash = "sha256-peA7M8lvRRVnsM6vl4QbYEr0ElEaGU4zsCENnq8TLBc=";
   };
 
   npm = hermesNpmLib.mkNpmPassthru { folder = "web"; attr = "web"; pname = "hermes-web"; };
diff --git a/plugins/platforms/discord/adapter.py b/plugins/platforms/discord/adapter.py
index 410e00e48558..87346300125f 100644
--- a/plugins/platforms/discord/adapter.py
+++ b/plugins/platforms/discord/adapter.py
@@ -1906,13 +1906,13 @@ async def join_voice_channel(self, channel) -> bool:
         try:
             import nacl  # noqa: F401 — presence check only
         except ImportError:
-            logger.warning(
-                "Discord voice channel join failed: PyNaCl is not installed. "
-                "The `voice` extra no longer ships PyNaCl (vulnerable pin). "
-                "Install it manually (`pip install PyNaCl>=1.6.2`) to use "
-                "Discord voice channels."
-            )
-            return False
+            # Raise so GatewayRunner._handle_voice_channel_join can surface the
+            # PyNaCl-specific install guidance (return False falls through to the
+            # generic "Check bot permissions" message — Codex PR #25).
+            raise RuntimeError(
+                "PyNaCl is not installed. The voice extra no longer ships PyNaCl "
+                "(vulnerable pin). Install manually: pip install PyNaCl>=1.6.2"
+            ) from None
 
         async with self._voice_locks.setdefault(guild_id, asyncio.Lock()):
             # Already connected in this guild?
diff --git a/tests/gateway/test_discord_race_polish.py b/tests/gateway/test_discord_race_polish.py
index 95e09c0303ff..dbbb77a0d1d1 100644
--- a/tests/gateway/test_discord_race_polish.py
+++ b/tests/gateway/test_discord_race_polish.py
@@ -63,7 +63,7 @@ async def slow_connect(self):
     from plugins.platforms.discord import adapter as discord_mod
     # Ensure the PyNaCl guard inside join_voice_channel is a no-op for this
     # test (the test venv may not have nacl). Use patch.dict so the mock
-    # doesn't leak into other test files in the same pytest session.
+    # does not leak into other test files in the same pytest session.
     with patch.dict("sys.modules", {"nacl": MagicMock()}):
         with patch.object(discord_mod, "VoiceReceiver",
                           MagicMock(return_value=MagicMock(start=lambda: None))):
@@ -88,11 +88,11 @@ async def slow_connect(self):
 # ---------------------------------------------------------------------------
 
 @pytest.mark.asyncio
-async def test_join_voice_returns_false_when_pynacl_missing():
-    """When PyNaCl is not installed, join_voice_channel must fail fast with
-    a logged warning instead of crashing inside channel.connect() with an
-    opaque missing-module error. The `voice` extra no longer ships PyNaCl
-    (vulnerable pin), so this guard is the user-facing safety net."""
+async def test_join_voice_raises_when_pynacl_missing():
+    """When PyNaCl is not installed, join_voice_channel must raise RuntimeError
+    so GatewayRunner._handle_voice_channel_join can surface the PyNaCl-specific
+    install guidance. Returning False would fall through to the generic
+    "Check bot permissions" message instead."""
     import builtins
 
     adapter = _make_adapter()
@@ -108,9 +108,9 @@ def _block_nacl(name, *args, **kwargs):
     channel.guild.id = 123
 
     with patch("builtins.__import__", side_effect=_block_nacl):
-        result = await adapter.join_voice_channel(channel)
+        with pytest.raises(RuntimeError, match="PyNaCl is not installed"):
+            await adapter.join_voice_channel(channel)
 
-    assert result is False
     # channel.connect() must NOT have been called — the guard fires before it.
     channel.connect.assert_not_called()
 
diff --git a/tools/lazy_deps.py b/tools/lazy_deps.py
index 03fafd4ae0c5..5553300e12ae 100644
--- a/tools/lazy_deps.py
+++ b/tools/lazy_deps.py
@@ -538,7 +538,12 @@ def active_features() -> list[str]:
     """
     active = []
     for feature, specs in LAZY_DEPS.items():
-        if any(_is_present(s) for s in specs):
+        # Check only the first spec (the primary/unique package for this feature).
+        # Checking any spec would cause false activations when a transitive package
+        # (e.g. aiohttp, cbor2, starlette) is installed by a different feature —
+        # see Codex review on PR #25. By convention the first tuple element must be
+        # a package installed exclusively by this feature.
+        if _is_present(specs[0]):
             active.append(feature)
     return active