diff --git a/.agents/scripts/supervisor-archived/batch.sh b/.agents/scripts/supervisor-archived/batch.sh
index 7eabe06c15..e9d43c9158 100755
--- a/.agents/scripts/supervisor-archived/batch.sh
+++ b/.agents/scripts/supervisor-archived/batch.sh
@@ -50,6 +50,11 @@ cmd_add() {
 				log_error "--max-retries requires a value"
 				return 1
 			}
+			# GH#3716: Validate max_retries is a non-negative integer before SQL interpolation
+			if ! [[ "$2" =~ ^[0-9]+$ ]]; then
+				log_error "--max-retries must be a non-negative integer, got: $2"
+				return 1
+			fi
 			max_retries="$2"
 			shift 2
 			;;
@@ -240,6 +245,11 @@ cmd_batch() {
 				log_error "--concurrency requires a value"
 				return 1
 			}
+			# GH#3716: Validate concurrency is a positive integer before SQL interpolation
+			if ! [[ "$2" =~ ^[0-9]+$ ]] || [[ "$2" -eq 0 ]]; then
+				log_error "--concurrency must be a positive integer, got: $2"
+				return 1
+			fi
 			concurrency="$2"
 			shift 2
 			;;
@@ -248,6 +258,11 @@ cmd_batch() {
 				log_error "--max-concurrency requires a value"
 				return 1
 			}
+			# GH#3716: Validate max_concurrency is a non-negative integer before SQL interpolation
+			if ! [[ "$2" =~ ^[0-9]+$ ]]; then
+				log_error "--max-concurrency must be a non-negative integer, got: $2"
+				return 1
+			fi
 			max_concurrency="$2"
 			shift 2
 			;;
@@ -264,6 +279,11 @@ cmd_batch() {
 				log_error "--max-load requires a value"
 				return 1
 			}
+			# GH#3716: Validate max_load_factor is a non-negative integer before SQL interpolation
+			if ! [[ "$2" =~ ^[0-9]+$ ]]; then
+				log_error "--max-load must be a non-negative integer, got: $2"
+				return 1
+			fi
 			max_load_factor="$2"
 			shift 2
 			;;
diff --git a/.agents/scripts/supervisor-archived/cron.sh b/.agents/scripts/supervisor-archived/cron.sh
index f2ea0fbb97..cfa2a01995 100755
--- a/.agents/scripts/supervisor-archived/cron.sh
+++ b/.agents/scripts/supervisor-archived/cron.sh
@@ -34,6 +34,11 @@ cmd_cron() {
 				log_error "--interval requires a value"
 				return 1
 			}
+			# GH#3716: Validate interval is a positive integer before use in cron/launchd commands
+			if ! [[ "$2" =~ ^[0-9]+$ ]] || [[ "$2" -eq 0 ]]; then
+				log_error "--interval must be a positive integer (minutes), got: $2"
+				return 1
+			fi
 			interval="$2"
 			shift 2
 			;;
diff --git a/.agents/scripts/supervisor-archived/database.sh b/.agents/scripts/supervisor-archived/database.sh
index 0d53db8e88..0af9474ac0 100755
--- a/.agents/scripts/supervisor-archived/database.sh
+++ b/.agents/scripts/supervisor-archived/database.sh
@@ -415,10 +415,10 @@ CREATE TABLE tasks (
 );
 INSERT INTO tasks (id, repo, description, status, session_id, worktree, branch,
     log_file, retries, max_retries, model, error, pr_url, issue_url, diagnostic_of,
-    created_at, started_at, completed_at, updated_at)
+    triage_result, created_at, started_at, completed_at, updated_at)
 SELECT id, repo, description, status, session_id, worktree, branch,
     log_file, retries, max_retries, model, error, pr_url, issue_url, diagnostic_of,
-    created_at, started_at, completed_at, updated_at
+    triage_result, created_at, started_at, completed_at, updated_at
 FROM tasks_old_t148;
 DROP TABLE tasks_old_t148;
 CREATE INDEX IF NOT EXISTS idx_tasks_status ON tasks(status);