feat(ipuaro): add display configuration

Add DisplayConfigSchema with theme support (dark/light), stats/tool calls visibility toggles, bell notification on completion, and progress bar control. Includes theme utilities with dynamic color schemes and 46 new tests.

packages/ipuaro/src/shared/constants/config.ts

@@ -86,6 +86,17 @@ export const InputConfigSchema = z.object({
     multiline: z.union([z.boolean(), z.literal("auto")]).default(false),
 })
 
+/**
+ * Display configuration schema.
+ */
+export const DisplayConfigSchema = z.object({
+    showStats: z.boolean().default(true),
+    showToolCalls: z.boolean().default(true),
+    theme: z.enum(["dark", "light"]).default("dark"),
+    bellOnComplete: z.boolean().default(false),
+    progressBar: z.boolean().default(true),
+})
+
 /**
  * Full configuration schema.
  */
@@ -97,6 +108,7 @@ export const ConfigSchema = z.object({
     undo: UndoConfigSchema.default({}),
     edit: EditConfigSchema.default({}),
     input: InputConfigSchema.default({}),
+    display: DisplayConfigSchema.default({}),
 })
 
 /**
@@ -110,6 +122,7 @@ export type WatchdogConfig = z.infer<typeof WatchdogConfigSchema>
 export type UndoConfig = z.infer<typeof UndoConfigSchema>
 export type EditConfig = z.infer<typeof EditConfigSchema>
 export type InputConfig = z.infer<typeof InputConfigSchema>
+export type DisplayConfig = z.infer<typeof DisplayConfigSchema>
 
 /**
  * Default configuration.