refactor(config): share allow/deny channel policy schema

src/config/zod-schema.allowdeny.ts

@@ -0,0 +1,39 @@
+import { z } from "zod";
+
+const AllowDenyActionSchema = z.union([z.literal("allow"), z.literal("deny")]);
+
+const AllowDenyChatTypeSchema = z
+  .union([
+    z.literal("direct"),
+    z.literal("group"),
+    z.literal("channel"),
+    /** @deprecated Use `direct` instead. Kept for backward compatibility. */
+    z.literal("dm"),
+  ])
+  .optional();
+
+export function createAllowDenyChannelRulesSchema() {
+  return z
+    .object({
+      default: AllowDenyActionSchema.optional(),
+      rules: z
+        .array(
+          z
+            .object({
+              action: AllowDenyActionSchema,
+              match: z
+                .object({
+                  channel: z.string().optional(),
+                  chatType: AllowDenyChatTypeSchema,
+                  keyPrefix: z.string().optional(),
+                })
+                .strict()
+                .optional(),
+            })
+            .strict(),
+        )
+        .optional(),
+    })
+    .strict()
+    .optional();
+}