fix: enforce storage and tooling invariants

docs/local_quality_gate.md

@@ -14,7 +14,8 @@ parser errors, and LLM-generated garbage before committing.
   ```
 
   On Windows, use `.venv/Scripts/python.exe` for the `--python` value.
-- **Godot 4** binary on `PATH`, or set the `GODOT_BIN` environment variable
+- **Godot 4.7.x** binary on `PATH`, or set the `GODOT_BIN` environment
+  variable. The gate rejects other engine series before importing or testing.
 - **GUT 9.7.1** is vendored under `addons/gut` for Godot 4.7. No separate
   package-manager install is needed.
 
@@ -24,7 +25,8 @@ The downloaded release archive SHA-256 is
 `14969aa46adc84aa08cdd21b9f6d1a64addd92ae60b36f02d0521ed305aa4086`.
 
 The quality and format scripts discover `.venv` automatically; activating it
-is optional.
+is optional. Missing `gdformat` or `gdlint` is a gate failure rather than a
+silent skip.
 
 ## Usage
 
@@ -71,6 +73,7 @@ If everything passes:
 
 ```
 QUALITY RESULT: PASS
+Godot: 4.7.stable.official.5b4e0cb0f
 
   godot-import PASS
   gdformat     PASS
@@ -87,6 +90,7 @@ On failure, only relevant errors and fix suggestions are shown:
 
 ```
 QUALITY RESULT: FAIL
+Godot: 4.7.stable.official.5b4e0cb0f
 
   godot-import PASS
   gdformat     FAIL
@@ -113,18 +117,20 @@ to the terminal.
 
 | Variable | Description |
 |---|---|
-| `GODOT_BIN` | Path to the Godot executable (auto-detected from PATH if unset) |
+| `GODOT_BIN` | Path to the Godot 4.7.x executable (auto-detected if unset) |
 
 ## CI setup
 
-To add this to CI, install the dependencies and run:
+To add this to CI, provide a Godot 4.7.x executable, install the dependencies,
+and run:
 
 ```bash
 python -m pip install -r requirements-dev.txt
 ./tools/quality.sh
 ```
 
-The script exits non-zero on any failure, so it will fail the CI step.
+The script exits non-zero on any failure, including a wrong Godot series or
+missing pinned formatter/linter, so it will fail the CI step.
 
 The shell gate isolates Godot's cross-platform user-data paths under
 `logs/quality/godot_profile`. Before running scenarios it imports project and
@@ -134,4 +140,5 @@ parse or load markers are failures because headless Godot can report those
 errors while returning a zero process exit code. Every Godot subprocess has a
 portable watchdog on stock macOS as well as Linux/Windows, and nonzero
 `gdformat`/`gdlint` exits fail the gate even when their output is not a familiar
-diagnostic string.
+diagnostic string. Import receives a 60-second timeout on both shell and
+PowerShell; the focused checks retain their 30-second timeout.