fix(auto): repair empty continue checkpoints

src/resources/extensions/sf/autonomous-solver.js

@@ -1104,6 +1104,32 @@ export function assessAutonomousSolverTurn(
 			checkpoint,
 		};
 	}
+	if (
+		(checkpoint.outcome === "continue" || checkpoint.outcome === "decide") &&
+		(checkpoint.remainingItems?.length ?? 0) === 0
+	) {
+		const repairAttempts = getMissingCheckpointRepairAttempts(state).filter(
+			(attempt) => Number(attempt.iteration) === Number(state.iteration),
+		).length;
+		if (repairAttempts >= DEFAULT_MISSING_CHECKPOINT_REPAIR_ATTEMPTS) {
+			return {
+				action: "pause",
+				reason: "solver-empty-continue",
+				state,
+				repairAttempts,
+				maxRepairAttempts: DEFAULT_MISSING_CHECKPOINT_REPAIR_ATTEMPTS,
+				checkpoint,
+			};
+		}
+		return {
+			action: "missing-checkpoint-retry",
+			reason: "solver-empty-continue",
+			state,
+			repairAttempt: repairAttempts + 1,
+			maxRepairAttempts: DEFAULT_MISSING_CHECKPOINT_REPAIR_ATTEMPTS,
+			checkpoint,
+		};
+	}
 	// No-op detection: a continue with zero work is not real progress
 	if (
 		(checkpoint.outcome === "continue" || checkpoint.outcome === "decide") &&

src/resources/extensions/sf/tests/autonomous-solver.test.mjs

@@ -324,7 +324,7 @@ describe("autonomous solver", () => {
 			outcome: "decide",
 			summary: "Low confidence — reconstructed best-effort.",
 			completedItems: ["Analysis done"],
-			remainingItems: [],
+			remainingItems: ["Continue from reconstructed plan"],
 			verificationEvidence: ["artifacts match expectations"],
 			pdd: pdd(),
 		});
@@ -338,6 +338,30 @@ describe("autonomous solver", () => {
 		expect(result.action).toBe("continue");
 	});
 
+	test("assessAutonomousSolverTurn_empty_continue_requires_repair", () => {
+		const project = makeProject();
+		beginAutonomousSolverIteration(project, "execute-task", "M001/S01/T01");
+		appendAutonomousSolverCheckpoint(project, {
+			unitType: "execute-task",
+			unitId: "M001/S01/T01",
+			outcome: "continue",
+			summary: "Continue, but nothing remains.",
+			completedItems: ["Read files"],
+			remainingItems: [],
+			verificationEvidence: ["ls"],
+			pdd: pdd(),
+		});
+
+		const result = assessAutonomousSolverTurn(
+			project,
+			"execute-task",
+			"M001/S01/T01",
+		);
+
+		expect(result.action).toBe("missing-checkpoint-retry");
+		expect(result.reason).toBe("solver-empty-continue");
+	});
+
 	test("assessAutonomousSolverTurn_max_iterations_pauses_before_unbounded_retry", () => {
 		const project = makeProject();
 		beginAutonomousSolverIteration(project, "execute-task", "M001/S01/T01", {