fix(runtime): correct unverified-write state transitions in mixed verify/write turns

Generated with [codeagent](https://github.com/qbox/codeagent)
Co-authored-by: phantom5099 <245659304+phantom5099@users.noreply.github.com>

Author: xgopilot

internal/runtime/turn_control.go

@@ -32,11 +32,25 @@ func collectCompletionState(
 
 // applyToolExecutionCompletion 更新一轮工具执行后的 completion 事实。
 func applyToolExecutionCompletion(current controlplane.CompletionState, summary toolExecutionSummary) controlplane.CompletionState {
-	if summary.HasSuccessfulWorkspaceWrite {
-		current.HasUnverifiedWrites = true
+	if len(summary.Results) == 0 {
+		if summary.HasSuccessfulWorkspaceWrite {
+			current.HasUnverifiedWrites = true
+		}
+		if summary.HasSuccessfulVerification {
+			current.HasUnverifiedWrites = false
+		}
+		return current
 	}
-	if summary.HasSuccessfulVerification {
-		current.HasUnverifiedWrites = false
+	for _, result := range summary.Results {
+		if result.IsError {
+			continue
+		}
+		if result.Facts.WorkspaceWrite {
+			current.HasUnverifiedWrites = true
+		}
+		if result.Facts.VerificationPerformed && result.Facts.VerificationPassed {
+			current.HasUnverifiedWrites = false
+		}
 	}
 	return current
 }

internal/runtime/turn_control_test.go

@@ -28,20 +28,52 @@ func TestApplyToolExecutionCompletionTracksWriteAndVerification(t *testing.T) {
 	t.Parallel()
 
 	written := applyToolExecutionCompletion(controlplane.CompletionState{}, toolExecutionSummary{
-		HasSuccessfulWorkspaceWrite: true,
+		Results: []tools.ToolResult{
+			{Facts: tools.ToolExecutionFacts{WorkspaceWrite: true}},
+		},
 	})
 	if !written.HasUnverifiedWrites {
 		t.Fatalf("expected successful write to require verification, got %+v", written)
 	}
 
 	verified := applyToolExecutionCompletion(written, toolExecutionSummary{
-		HasSuccessfulVerification: true,
+		Results: []tools.ToolResult{
+			{Facts: tools.ToolExecutionFacts{VerificationPerformed: true, VerificationPassed: true}},
+		},
 	})
 	if verified.HasUnverifiedWrites {
 		t.Fatalf("expected explicit verification to clear pending write, got %+v", verified)
 	}
 }
 
+func TestApplyToolExecutionCompletionKeepsUnverifiedWhenVerifyBeforeWrite(t *testing.T) {
+	t.Parallel()
+
+	got := applyToolExecutionCompletion(controlplane.CompletionState{}, toolExecutionSummary{
+		Results: []tools.ToolResult{
+			{Facts: tools.ToolExecutionFacts{VerificationPerformed: true, VerificationPassed: true}},
+			{Facts: tools.ToolExecutionFacts{WorkspaceWrite: true}},
+		},
+	})
+	if !got.HasUnverifiedWrites {
+		t.Fatalf("expected write after verify to remain unverified, got %+v", got)
+	}
+}
+
+func TestApplyToolExecutionCompletionClearsWhenVerifyAfterWrite(t *testing.T) {
+	t.Parallel()
+
+	got := applyToolExecutionCompletion(controlplane.CompletionState{}, toolExecutionSummary{
+		Results: []tools.ToolResult{
+			{Facts: tools.ToolExecutionFacts{WorkspaceWrite: true}},
+			{Facts: tools.ToolExecutionFacts{VerificationPerformed: true, VerificationPassed: true}},
+		},
+	})
+	if got.HasUnverifiedWrites {
+		t.Fatalf("expected verify after write to clear unverified flag, got %+v", got)
+	}
+}
+
 func TestHasPendingAgentTodosBlocksOnAnyNonTerminalTodo(t *testing.T) {
 	t.Parallel()