fix: align channel config schemas and env precedence

extensions/matrix/src/config-schema.ts

@@ -0,0 +1,55 @@
+import { z } from "zod";
+
+const allowFromEntry = z.union([z.string(), z.number()]);
+
+const matrixActionSchema = z
+  .object({
+    reactions: z.boolean().optional(),
+    messages: z.boolean().optional(),
+    pins: z.boolean().optional(),
+    memberInfo: z.boolean().optional(),
+    channelInfo: z.boolean().optional(),
+  })
+  .optional();
+
+const matrixDmSchema = z
+  .object({
+    enabled: z.boolean().optional(),
+    policy: z.enum(["pairing", "allowlist", "open", "disabled"]).optional(),
+    allowFrom: z.array(allowFromEntry).optional(),
+  })
+  .optional();
+
+const matrixRoomSchema = z
+  .object({
+    enabled: z.boolean().optional(),
+    allow: z.boolean().optional(),
+    requireMention: z.boolean().optional(),
+    autoReply: z.boolean().optional(),
+    users: z.array(allowFromEntry).optional(),
+    skills: z.array(z.string()).optional(),
+    systemPrompt: z.string().optional(),
+  })
+  .optional();
+
+export const MatrixConfigSchema = z.object({
+  name: z.string().optional(),
+  enabled: z.boolean().optional(),
+  homeserver: z.string().optional(),
+  userId: z.string().optional(),
+  accessToken: z.string().optional(),
+  password: z.string().optional(),
+  deviceName: z.string().optional(),
+  initialSyncLimit: z.number().optional(),
+  allowlistOnly: z.boolean().optional(),
+  groupPolicy: z.enum(["open", "disabled", "allowlist"]).optional(),
+  replyToMode: z.enum(["off", "first", "all"]).optional(),
+  threadReplies: z.enum(["off", "inbound", "always"]).optional(),
+  textChunkLimit: z.number().optional(),
+  mediaMaxMb: z.number().optional(),
+  autoJoin: z.enum(["always", "allowlist", "off"]).optional(),
+  autoJoinAllowlist: z.array(allowFromEntry).optional(),
+  dm: matrixDmSchema,
+  rooms: z.object({}).catchall(matrixRoomSchema).optional(),
+  actions: matrixActionSchema,
+});