1 files changed, 38 insertions, 0 deletions
diff --git a/apps/web/src/core/managers/diagnostics-manager.ts b/apps/web/src/core/managers/diagnostics-manager.ts
new file mode 100644
index 00000000..d022a350
--- /dev/null
+++ b/apps/web/src/core/managers/diagnostics-manager.ts
@@ -0,0 +1,38 @@
+import type { EditorCore } from "@/core";
+import type { DiagnosticDefinition } from "@/lib/diagnostics/types";
+
+interface DiagnosticRegistration extends DiagnosticDefinition {
+	check: (editor: EditorCore) => boolean;
+}
+
+export class DiagnosticsManager {
+	private readonly registrations: DiagnosticRegistration[] = [];
+	private readonly listeners = new Set<() => void>();
+
+	constructor(private editor: EditorCore) {}
+
+	register(registration: DiagnosticRegistration): void {
+		this.registrations.push(registration);
+		this.notify();
+	}
+
+	getActive(options?: { scope?: string }): ReadonlyArray<DiagnosticDefinition> {
+		const candidates =
+			options?.scope !== undefined
+				? this.registrations.filter((r) => r.scope === options.scope)
+				: this.registrations;
+
+		return candidates.filter((r) => r.check(this.editor));
+	}
+
+	subscribe(listener: () => void): () => void {
+		this.listeners.add(listener);
+		return () => this.listeners.delete(listener);
+	}
+
+	notify(): void {
+		this.listeners.forEach((listener) => {
+			listener();
+		});
+	}
+}