feat(FN-3502): add comment-triggered retriage when task is in triage status

Merged four commits implementing comment-driven retriage: triage rules now respond to specific comment patterns (Step 1) and surface needs-replan feedback inputs in the UI (Step 2), with documentation for the new behavior and a bug fix restoring workspace typecheck defaults. Changes span the core ta

Fusion-Task-Id: FN-3502

packages/core/src/settings-schema.ts

@@ -292,6 +292,12 @@ export const DEFAULT_PROJECT_SETTINGS = {
   researchDefaultTimeout: 300000,
   researchMaxSourcesPerRun: 20,
   researchMaxSynthesisRounds: 2,
+  taskEvaluationEnabled: false,
+  taskEvaluationSchedule: "0 5 * * *",
+  taskEvaluationProvider: undefined,
+  taskEvaluationModelId: undefined,
+  taskEvaluationFollowUpPolicy: "off",
+  taskEvaluationRetention: undefined,
 } satisfies CompleteSettings<ProjectSettings>;
 
 /**