feat(t206): connect Android procurement tasks

backend-api/internal/config/config.go

@@ -23,7 +23,7 @@ const (
 	defaultDatabasePath   = "var/cmroubao.db"
 	defaultAssetDirectory = "var/assets"
 	defaultClaimLease     = 10 * time.Minute
-	defaultRunningLease   = 90 * time.Second
+	defaultRunningLease   = 30 * time.Minute
 	defaultReadinessTTL   = 2 * time.Minute
 )
 
@@ -121,8 +121,8 @@ func Load(lookup LookupEnvironment) (Config, error) {
 		lookup,
 		RunningLeaseEnvironment,
 		defaultRunningLease,
-		30*time.Second,
-		10*time.Minute,
+		5*time.Minute,
+		120*time.Minute,
 	)
 	if err != nil {
 		return Config{}, err

backend-api/internal/config/config_test.go

@@ -30,7 +30,7 @@ func TestLoadUsesSafeDefaults(t *testing.T) {
 		t.Fatal("server safety limits must all be positive")
 	}
 	if cfg.ClaimLease != 10*time.Minute ||
-		cfg.RunningLease != 90*time.Second ||
+		cfg.RunningLease != 30*time.Minute ||
 		cfg.ReadinessTTL != 2*time.Minute {
 		t.Fatalf(
 			"lifecycle durations = %s / %s / %s",
@@ -52,7 +52,7 @@ func TestLoadAcceptsExplicitConfiguration(t *testing.T) {
 		TLSCertificateEnvironment: "tmp/server.crt",
 		TLSPrivateKeyEnvironment:  "tmp/server.key",
 		ClaimLeaseEnvironment:     "15m",
-		RunningLeaseEnvironment:   "2m",
+		RunningLeaseEnvironment:   "45m",
 		ReadinessTTLEnvironment:   "3m",
 	}
 
@@ -79,7 +79,7 @@ func TestLoadAcceptsExplicitConfiguration(t *testing.T) {
 		)
 	}
 	if cfg.ClaimLease != 15*time.Minute ||
-		cfg.RunningLease != 2*time.Minute ||
+		cfg.RunningLease != 45*time.Minute ||
 		cfg.ReadinessTTL != 3*time.Minute {
 		t.Fatalf(
 			"lifecycle durations = %s / %s / %s",
@@ -174,10 +174,16 @@ func TestLoadRejectsUnsafeOrInvalidValues(t *testing.T) {
 				ClaimLeaseEnvironment: "59s",
 			},
 		},
+		{
+			name: "running lease below minimum",
+			values: map[string]string{
+				RunningLeaseEnvironment: "4m59s",
+			},
+		},
 		{
 			name: "running lease above maximum",
 			values: map[string]string{
-				RunningLeaseEnvironment: "11m",
+				RunningLeaseEnvironment: "121m",
 			},
 		},
 		{