diff --git a/cmd/work-graph-runtime/main.go b/cmd/work-graph-runtime/main.go
index 3392f9c..e9e11a3 100644
--- a/cmd/work-graph-runtime/main.go
+++ b/cmd/work-graph-runtime/main.go
@@ -44,6 +44,7 @@ func main() {
 		}
 		graph, ready, err := application.AdmitAndSchedule(r.Context(), repository, request)
 		if err != nil {
+			log.Printf("work graph schedule rejected: %v", err)
 			http.Error(w, err.Error(), http.StatusUnprocessableEntity)
 			return
 		}
@@ -57,6 +58,7 @@ func main() {
 		}
 		graph, ready, err := application.AdmitAndScheduleTaskEvaluation(r.Context(), repository, request)
 		if err != nil {
+			log.Printf("task evaluation graph schedule rejected: %v", err)
 			http.Error(w, err.Error(), http.StatusUnprocessableEntity)
 			return
 		}
diff --git a/dev/ACTIVE_TASK.json b/dev/ACTIVE_TASK.json
index 4a69794..abc35de 100644
--- a/dev/ACTIVE_TASK.json
+++ b/dev/ACTIVE_TASK.json
@@ -1,5 +1,5 @@
 {
-  "task_file": "dev/tasks/DEV-000247-research-runtime-status.json",
-  "task_id": "DEV-000247",
+  "task_file": "dev/tasks/DEV-000248-live-task-evaluation-scheduling.json",
+  "task_id": "DEV-000248",
   "task_revision": 1
 }
diff --git a/dev/tasks/DEV-000248-live-task-evaluation-scheduling.json b/dev/tasks/DEV-000248-live-task-evaluation-scheduling.json
new file mode 100644
index 0000000..f224b01
--- /dev/null
+++ b/dev/tasks/DEV-000248-live-task-evaluation-scheduling.json
@@ -0,0 +1,23 @@
+{
+  "task_id": "DEV-000248",
+  "task_revision": 1,
+  "architecture_revision": "ADR-0018",
+  "base_repo_revision": "cdc72e17be46c843737eabcd654cb69ae32d6268",
+  "risk_tier": "E",
+  "intent": "Diagnose and repair the live Work Graph task-evaluation scheduling path exposed by the production canary, preserving durable fan-out and callback semantics.",
+  "requirement_ids": ["live task evaluation", "model quality qualification", "Work Graph integration"],
+  "allowed_change_scope": {"modules": ["work", "capability"], "paths": ["cmd/work-graph-runtime/**", "adapters/postgres/work_repository.go", "modules/work/application/**", "modules/work/domain/**", "dev/ACTIVE_TASK.json", "dev/tasks/DEV-000248-live-task-evaluation-scheduling.json"]},
+  "forbidden_change_scope": {"paths": ["architecture/**", "security/**", "database/**", "deploy/**", "contracts/**", "LLM-local/**", "modules/work/secrets/**"]},
+  "allowed_architecture_delta": {"new_cross_module_dependencies": 0, "new_canonical_owners": 0, "new_privileges": 0, "new_third_party_dependencies": 0, "new_database_owner_roles": 0},
+  "contracts": {"consume": ["existing TaskEvaluationGraphRequest", "existing AgentDispatchIntent", "existing Work Graph repository"], "may_change": ["diagnostic logging and local integration behavior"]},
+  "semantic_owner": "Work Graph task-evaluation scheduling",
+  "canonical_state": ["existing graph, dispatch and evaluation records only"],
+  "state_transitions": ["schedule -> queue -> evaluator -> verifier -> evidence callback"],
+  "side_effects_and_privileges": ["existing work/capability owner writes; no new privileges"],
+  "persistence_and_migrations": ["none unless current schema mismatch is proven"],
+  "failure_retry_restart": ["failed scheduling leaves no partial graph or dispatch mutation; durable retries remain existing worker behavior"],
+  "assumptions": ["production canary payload is provider-neutral and contains no secret"],
+  "acceptance_scenarios": ["live general evaluation graph schedules", "worker executes and verifier accepts one case", "TaskEvaluation persists", "graph callback reaches terminal state"],
+  "required_tests": ["go test ./cmd/work-graph-runtime ./modules/work/application ./modules/work/domain ./adapters/postgres", "go vet ./cmd/work-graph-runtime ./modules/work/application ./modules/work/domain ./adapters/postgres", "go run ./cmd/devctl preflight -active dev/ACTIVE_TASK.json", "go run ./cmd/devctl check-diff -active dev/ACTIVE_TASK.json", "go run ./cmd/devctl check-architecture", "git diff --check", "independent", "CI", "production health smoke", "live task-evaluation canary"],
+  "terminal_gap_states": ["BLOCKED_BY_MISSING_CAPABILITY", "BLOCKED_BY_SPEC_GAP"]
+}