Game detection: foreign GPU holders take an external lock hold (GAME_PROCS, GPU_FOREIGN_VRAM_MB)

internal/config/config_test.go

@@ -157,6 +157,8 @@ func TestLoadErrors(t *testing.T) {
 		{"LLM_BUSY_MODE", "bogus"},
 		{"LLM_BUSY_STATUS", "200"},
 		{"BUSY_RETRY_AFTER", "0"},
+		{"GPU_FOREIGN_VRAM_MB", "-1"},
+		{"GAME_POLL_INTERVAL", "bogus"},
 	} {
 		_, err := Load(func(k string) string {
 			if k == tc.key {
@@ -172,3 +174,51 @@ func TestLoadErrors(t *testing.T) {
 		}
 	}
 }
+
+func TestGameDetectionSettings(t *testing.T) {
+	cfg, err := Load(func(k string) string {
+		switch k {
+		case "OLLAMA_URL":
+			return "http://127.0.0.1:11435"
+		case "GAME_PROCS":
+			return " cyberpunk2077.exe, hl2.exe ,, "
+		case "GPU_FOREIGN_VRAM_MB":
+			return "1024"
+		case "GPU_IGNORE_PROCS":
+			return "ollama, my-trainer"
+		}
+		return ""
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(cfg.GameProcs) != 2 || cfg.GameProcs[0] != "cyberpunk2077.exe" || cfg.GameProcs[1] != "hl2.exe" {
+		t.Fatalf("GameProcs = %v", cfg.GameProcs)
+	}
+	if cfg.GPUForeignVRAMMB != 1024 {
+		t.Fatalf("GPUForeignVRAMMB = %d", cfg.GPUForeignVRAMMB)
+	}
+	if len(cfg.GPUIgnoreProcs) != 2 || cfg.GPUIgnoreProcs[1] != "my-trainer" {
+		t.Fatalf("GPUIgnoreProcs = %v", cfg.GPUIgnoreProcs)
+	}
+	if cfg.GamePollInterval != 5*time.Second {
+		t.Fatalf("GamePollInterval = %v, want 5s default", cfg.GamePollInterval)
+	}
+
+	// Defaults: both detection paths off, ignore list covers our consumers.
+	cfg, err = Load(func(k string) string {
+		if k == "OLLAMA_URL" {
+			return "http://127.0.0.1:11435"
+		}
+		return ""
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(cfg.GameProcs) != 0 || cfg.GPUForeignVRAMMB != 0 {
+		t.Fatalf("detection must be off by default: %v %d", cfg.GameProcs, cfg.GPUForeignVRAMMB)
+	}
+	if len(cfg.GPUIgnoreProcs) == 0 {
+		t.Fatal("GPUIgnoreProcs default must not be empty")
+	}
+}