diff --git a/DESIGN.md b/DESIGN.md
index 89a5cc9..6261ac6 100644
--- a/DESIGN.md
+++ b/DESIGN.md
@@ -265,14 +265,14 @@ The `testium_assist` editor extension is a thin LSP client that spawns `testium
 1. **`pygls` (+ `lsprotocol`, `cattrs`, `attrs`, `typing_extensions`) must be bundled.** It is the pyproject `[lsp]` extra (kept optional so a plain `pip install testium` stays lean), wired into each full-app channel: `build_env.sh` installs it into the shared `test/tmp/.venv` (covers **source run** and the **PyInstaller** build env); the **AppImage** installs the wheel as `…whl[lsp]`; the **Flatpak** adds a `python3-lsp` pip module (network-at-build, consistent with the manifest's global `--share=network`); the **PyInstaller** `.spec` force-collects the submodules via `collect_submodules` + explicit `hiddenimports` (including the lazily-imported `lsp`, `lsp.server`, `lsp.schema`).
 2. **The schema must build without source** — handled by the declarative `PARAMS`/`ACTIONS` above; PyInstaller is the only channel that strips `.py` source, and it no longer matters.
 
-`test/validation/lsp_smoke.py` enforces both per channel: `run.sh` calls it before launching the suite, asserting that `<channel> schema` returns JSON whose `console`/`plot`/`json_rpc` items still carry their actions, and that `<channel> lsp` answers an `initialize` request with capabilities (and never reports the pygls dependency missing). So `./test/validation/run.sh --mode flatpak|pyinstaller|appimage` now fails loudly if a channel ships a broken or pygls-less language server.
+`test/validation/lsp_check.py` enforces both per channel: `run.sh` calls it before launching the suite, asserting that `<channel> schema` returns JSON whose `console`/`plot`/`json_rpc` items still carry their actions, and that `<channel> lsp` answers an `initialize` request with capabilities (and never reports the pygls dependency missing). So `./test/validation/run.sh --mode flatpak|pyinstaller|appimage` now fails loudly if a channel ships a broken or pygls-less language server.
 
 ### Version reporting (`interpreter/utils/version.py`)
 
 Both Flatpak and AppImage export `TESTIUM_VERSION` from a launcher (Flatpak: launcher script in `org.testium.Testium.yaml`; AppImage: `runtime.env` in `AppImageBuilder.yml`). `get_testium_version()` checks `/.flatpak-info` / `APPIMAGE` and reads `TESTIUM_VERSION` rather than relying on package metadata or repo introspection.
 
 ## Recent fixes / notable changes
-- LSP across packaging channels: `testium lsp` (and the `testium_assist` editor extension that spawns it) now works from source, wheel, PyInstaller, Flatpak and AppImage. Two enablers — (1) action items declare a class-level `ACTIONS = {key: class}` registry (like `PARAMS`), so `lsp/schema.py` builds the full schema from class attributes with no `inspect.getsource`/AST (which broke under frozen PyInstaller); (2) the `[lsp]` extra (pygls) is wired into every full-app channel. `test/validation/lsp_smoke.py`, run by `run.sh` before the suite, asserts per-channel that `schema` keeps its actions and `lsp` answers `initialize`. See the matching architecture sections.
+- LSP across packaging channels: `testium lsp` (and the `testium_assist` editor extension that spawns it) now works from source, wheel, PyInstaller, Flatpak and AppImage. Two enablers — (1) action items declare a class-level `ACTIONS = {key: class}` registry (like `PARAMS`), so `lsp/schema.py` builds the full schema from class attributes with no `inspect.getsource`/AST (which broke under frozen PyInstaller); (2) the `[lsp]` extra (pygls) is wired into every full-app channel. `test/validation/lsp_check.py`, run by `run.sh` before the suite, asserts per-channel that `schema` keeps its actions and `lsp` answers `initialize`. See the matching architecture sections.
 - Declarative test item parameters (v0.2): each `TestItem` subclass exposes a `PARAMS = ParamSet(...)` class attribute consumed by the base `__init__`. Catches unknown YAML keys (typo warnings listing the accepted names) and missing required params (load-time errors with `.tum` context). Lays the schema foundation for a future LSP server and auto-generated manual sections. See the matching architecture section.
 - Flatpak: `py_func` / `lua_func` / `run` sub-instance now execute on the host via `flatpak-spawn --host`. The previous attempt to inject host lib dirs into the sandbox's `LD_LIBRARY_PATH` was abandoned — host shared libs are ABI-incompatible with the Flatpak runtime's glibc and would trip `_dl_call_libc_early_init`. The manifest gained `--talk-name=org.freedesktop.Flatpak` so the spawn proxy call is allowed. The testium package is staged once per process under `/tmp` (shared with the host) so the host interpreter can locate `py_func` / `lua_func`.
 - Validation suite: single entry point with `--mode source|wheel|pyinstaller|flatpak|appimage` to validate every packaging channel against the same items. Per-mode report filenames prevent clobbering.
diff --git a/test/validation/lsp_smoke.py b/test/validation/lsp_check.py
similarity index 91%
rename from test/validation/lsp_smoke.py
rename to test/validation/lsp_check.py
index e96f872..74681a8 100644
--- a/test/validation/lsp_smoke.py
+++ b/test/validation/lsp_check.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-"""Per-channel smoke test for the testium language server.
+"""Per-channel check of the testium language server.
 
 Given the channel's testium invocation as argv (e.g. ``flatpak run
 --command=testium org.testium.Testium``, a PyInstaller binary path, or
@@ -25,7 +25,7 @@ EXPECTED_ACTION_PARENTS = ("console", "plot", "json_rpc")
 
 
 def fail(msg):
-    print(f"LSP SMOKE: FAIL — {msg}", file=sys.stderr)
+    print(f"LSP CHECK: FAIL — {msg}", file=sys.stderr)
     sys.exit(1)
 
 
@@ -61,7 +61,7 @@ def check_schema(cmd):
         if not actions:
             fail(f"schema item '{parent}' has no actions — a frozen build lost "
                  f"the declarative ACTIONS (item keys: {sorted(items)[:8]}…)")
-    print(f"LSP SMOKE: schema OK ({len(items)} items; actions present for "
+    print(f"LSP CHECK: schema OK ({len(items)} items; actions present for "
           f"{', '.join(EXPECTED_ACTION_PARENTS)})")
 
 
@@ -86,16 +86,16 @@ def check_lsp(cmd):
     if b'"capabilities"' not in stdout:
         fail("`lsp` did not return an initialize result. "
              f"stdout[:200]={stdout[:200]!r} stderr[:200]={stderr[:200]!r}")
-    print("LSP SMOKE: lsp initialize OK (server answered with capabilities)")
+    print("LSP CHECK: lsp initialize OK (server answered with capabilities)")
 
 
 def main():
     cmd = sys.argv[1:]
     if not cmd:
-        fail("usage: lsp_smoke.py <testium-invocation...>")
+        fail("usage: lsp_check.py <testium-invocation...>")
     check_schema(cmd)
     check_lsp(cmd)
-    print("LSP SMOKE: PASS")
+    print("LSP CHECK: PASS")
 
 
 if __name__ == "__main__":
diff --git a/test/validation/run.sh b/test/validation/run.sh
index b095656..bf50e85 100755
--- a/test/validation/run.sh
+++ b/test/validation/run.sh
@@ -137,12 +137,12 @@ esac
 echo "-- validation mode: $MODE"
 echo "-- launch: ${CMD[*]}"
 
-# ---------- LSP smoke check (this exact channel) ------------------------------
+# ---------- LSP check (this exact channel) ------------------------------------
 # Verify `testium lsp` / `testium schema` work in the build under test before
 # running the suite: schema must keep its nested actions (declarative ACTIONS,
 # survives frozen builds) and the language server must start (pygls bundled).
-echo "-- LSP smoke check ($MODE)"
-"$VENV_PYTHON" "$SCRIPT_DIR/lsp_smoke.py" "${CMD[@]}"
+echo "-- LSP check ($MODE)"
+"$VENV_PYTHON" "$SCRIPT_DIR/lsp_check.py" "${CMD[@]}"
 
 exec "${CMD[@]}" -b \
     -d "python_bin=$VENV_PYTHON" \