feat: add sandbox, agent_configs, and routing config schemas

src/config/schema.ts

@@ -179,6 +179,38 @@ const toolsSchema = z.object({
   providers: z.record(z.string(), toolOverrideSchema).default({}),
 }).default({});
 
+// ── Sandbox schemas ───────────────────────────────────────────────────
+
+const sandboxSchema = z.object({
+  enabled: z.boolean().default(false),
+  image: z.string().default('node:22-slim'),
+  workspace_dir: z.string().default('/workspace'),
+  network: z.enum(['none', 'bridge', 'host']).default('none'),
+  memory_limit: z.string().default('512m'),
+  cpu_limit: z.string().default('1.0'),
+  timeout_seconds: z.number().min(10).max(3600).default(300),
+}).default({});
+
+// ── Agent config + routing schemas ────────────────────────────────────
+
+const modelTierEnum = z.enum(['fast', 'default', 'complex', 'local']);
+
+const agentConfigEntrySchema = z.object({
+  system_prompt: z.string().optional(),
+  model_tier: modelTierEnum.optional(),
+  tool_profile: toolProfileEnum.optional(),
+  tool_overrides: toolOverrideSchema.optional(),
+  sandbox: z.boolean().default(false),
+});
+
+const agentConfigsSchema = z.record(z.string(), agentConfigEntrySchema).default({});
+
+const routingSchema = z.object({
+  default_agent: z.string().optional(),
+  channels: z.record(z.string(), z.string()).default({}),
+  senders: z.record(z.string(), z.string()).default({}),
+}).default({});
+
 const promptSchema = z.object({
   /** Additional directories to search for prompt template files. */
   search_dirs: z.array(z.string()).default([]),
@@ -209,6 +241,9 @@ export const configSchema = z.object({
   web_search: webSearchSchema,
   prompt: promptSchema,
   tools: toolsSchema,
+  sandbox: sandboxSchema,
+  agent_configs: agentConfigsSchema,
+  routing: routingSchema,
 });
 
 export type Config = z.infer<typeof configSchema>;
@@ -228,3 +263,6 @@ export type PromptConfig = z.infer<typeof promptSchema>;
 export type ToolProfile = z.infer<typeof toolProfileEnum>;
 export type ToolOverrideConfig = z.infer<typeof toolOverrideSchema>;
 export type ToolsConfig = z.infer<typeof toolsSchema>;
+export type SandboxConfig = z.infer<typeof sandboxSchema>;
+export type AgentConfigEntry = z.infer<typeof agentConfigEntrySchema>;
+export type RoutingConfig = z.infer<typeof routingSchema>;