diff --git a/.agents/skills/uloop-compile/SKILL.md b/.agents/skills/uloop-compile/SKILL.md
index 2a95ecfc63..9aaba36ce4 100644
--- a/.agents/skills/uloop-compile/SKILL.md
+++ b/.agents/skills/uloop-compile/SKILL.md
@@ -30,3 +30,7 @@ Returns JSON:
 - `ErrorCount`: number or null
 - `WarningCount`: number or null
 - `Message`: string
+
+## Troubleshooting
+
+If compile times out or Unity stops responding to uloop while the Editor looks idle, check whether Unity is showing **API Update Required** / **Script Updating Consent**. Ask the user to choose Go Ahead or No — never auto-dismiss that modal. Interactive Editors have no public uloop/Unity API to suppress it.
diff --git a/.claude/skills/uloop-compile/SKILL.md b/.claude/skills/uloop-compile/SKILL.md
index 2a95ecfc63..9aaba36ce4 100644
--- a/.claude/skills/uloop-compile/SKILL.md
+++ b/.claude/skills/uloop-compile/SKILL.md
@@ -30,3 +30,7 @@ Returns JSON:
 - `ErrorCount`: number or null
 - `WarningCount`: number or null
 - `Message`: string
+
+## Troubleshooting
+
+If compile times out or Unity stops responding to uloop while the Editor looks idle, check whether Unity is showing **API Update Required** / **Script Updating Consent**. Ask the user to choose Go Ahead or No — never auto-dismiss that modal. Interactive Editors have no public uloop/Unity API to suppress it.
diff --git a/Packages/src/Editor/FirstPartyTools/Compile/Skill/SKILL.md b/Packages/src/Editor/FirstPartyTools/Compile/Skill/SKILL.md
index 2a95ecfc63..9aaba36ce4 100644
--- a/Packages/src/Editor/FirstPartyTools/Compile/Skill/SKILL.md
+++ b/Packages/src/Editor/FirstPartyTools/Compile/Skill/SKILL.md
@@ -30,3 +30,7 @@ Returns JSON:
 - `ErrorCount`: number or null
 - `WarningCount`: number or null
 - `Message`: string
+
+## Troubleshooting
+
+If compile times out or Unity stops responding to uloop while the Editor looks idle, check whether Unity is showing **API Update Required** / **Script Updating Consent**. Ask the user to choose Go Ahead or No — never auto-dismiss that modal. Interactive Editors have no public uloop/Unity API to suppress it.
diff --git a/cli/common/errors/error_editor_unresponsive.go b/cli/common/errors/error_editor_unresponsive.go
index e776534159..6b509e6a9b 100644
--- a/cli/common/errors/error_editor_unresponsive.go
+++ b/cli/common/errors/error_editor_unresponsive.go
@@ -2,6 +2,11 @@ package clierrors
 
 import "github.com/hatayama/unity-cli-loop/common/unityipc"
 
+// ApiUpdateConsentModalNextAction is shared recovery guidance when the Editor main
+// thread may be blocked by Unity's API Update / Script Updating Consent modal.
+// Interactive Editors have no public suppress path.
+const ApiUpdateConsentModalNextAction = "The Editor may be showing an API Update / Script Updating Consent modal; check the Unity window and ask the user what to choose — never auto-dismiss it."
+
 func connectionAttemptCause(err *unityipc.ConnectionAttemptError) string {
 	if err == nil {
 		return ""
@@ -24,6 +29,7 @@ func unityEditorUnresponsiveError(err *unityipc.EditorUnresponsiveError, context
 		Command:     context.Command,
 		NextActions: []string{
 			"Check Unity for a modal dialog or long editor operation that is blocking the Editor main thread.",
+			ApiUpdateConsentModalNextAction,
 			"Run `uloop focus-window` if Unity is hidden behind another window.",
 			"Close the modal dialog or wait for the Editor operation to finish, then retry the command.",
 		},
diff --git a/cli/common/errors/error_envelope_test.go b/cli/common/errors/error_envelope_test.go
index 7860144d89..438f04798b 100644
--- a/cli/common/errors/error_envelope_test.go
+++ b/cli/common/errors/error_envelope_test.go
@@ -140,6 +140,9 @@ func TestClassifyEditorUnresponsiveError(t *testing.T) {
 	if !strings.Contains(joinedActions, "modal dialog") {
 		t.Fatalf("next actions should mention modal dialog: %#v", cliErr.NextActions)
 	}
+	if !strings.Contains(joinedActions, "API Update") || !strings.Contains(joinedActions, "never auto-dismiss") {
+		t.Fatalf("next actions should mention API Update consent guidance: %#v", cliErr.NextActions)
+	}
 	if !strings.Contains(joinedActions, "uloop focus-window") {
 		t.Fatalf("next actions should mention focus-window: %#v", cliErr.NextActions)
 	}
diff --git a/cli/dispatcher/shared-inputs-stamp.json b/cli/dispatcher/shared-inputs-stamp.json
index 5fb6596a61..3345afda4f 100644
--- a/cli/dispatcher/shared-inputs-stamp.json
+++ b/cli/dispatcher/shared-inputs-stamp.json
@@ -1,4 +1,4 @@
 {
   "schemaVersion": 1,
-  "sharedInputsHash": "8b248a96bc8a1cbc8312c7f77da08d9ef8903680"
+  "sharedInputsHash": "fbbc3c34d301331c513155ea2bab2a33a4b5de97"
 }
diff --git a/cli/project-runner/internal/projectrunner/compile_wait_test.go b/cli/project-runner/internal/projectrunner/compile_wait_test.go
index 7da29d091b..c37d9bcc7f 100644
--- a/cli/project-runner/internal/projectrunner/compile_wait_test.go
+++ b/cli/project-runner/internal/projectrunner/compile_wait_test.go
@@ -574,6 +574,7 @@ func TestCompileWaitTimeoutError(t *testing.T) {
 	expectedActions := []string{
 		"Run a light command such as `uloop get-logs --max-count 1` to check whether Unity is responsive before treating this as a freeze.",
 		"Unity-side compile continues after this timeout; retry `uloop compile` — the result remains retrievable for about 10 more minutes without `uloop launch -r`.",
+		clierrors.ApiUpdateConsentModalNextAction,
 		"Only if Unity does not respond to any command, restart it with `uloop launch -r`.",
 	}
 	if len(cliErr.NextActions) != len(expectedActions) {
diff --git a/cli/project-runner/internal/projectrunner/execution_errors.go b/cli/project-runner/internal/projectrunner/execution_errors.go
index e8caddfe5f..a1bf1261d1 100644
--- a/cli/project-runner/internal/projectrunner/execution_errors.go
+++ b/cli/project-runner/internal/projectrunner/execution_errors.go
@@ -25,6 +25,7 @@ func compileWaitTimeoutError(projectRoot string) clierrors.CLIError {
 		NextActions: []string{
 			"Run a light command such as `uloop get-logs --max-count 1` to check whether Unity is responsive before treating this as a freeze.",
 			"Unity-side compile continues after this timeout; retry `uloop compile` — the result remains retrievable for about 10 more minutes without `uloop launch -r`.",
+			clierrors.ApiUpdateConsentModalNextAction,
 			"Only if Unity does not respond to any command, restart it with `uloop launch -r`.",
 		},
 	}
diff --git a/cli/project-runner/shared-inputs-stamp.json b/cli/project-runner/shared-inputs-stamp.json
index e608f05e02..7e7d299f1b 100644
--- a/cli/project-runner/shared-inputs-stamp.json
+++ b/cli/project-runner/shared-inputs-stamp.json
@@ -1,4 +1,4 @@
 {
   "schemaVersion": 1,
-  "sharedInputsHash": "8c336555a69a3cf485147e5669ce8bb4d3fe2982"
+  "sharedInputsHash": "581697442cd42c4467c8a80ab3bce98f403890c6"
 }