fix(typebox): migrate to v1 with extension compat (#3474)

* fix(typebox): migrate to v1 with extension compat

Replace AJV-based validation with TypeBox-native validation, keep legacy extension imports working (including @sinclair/typebox/compiler), and restore coercion for serialized/plain JSON schemas.

This change closes #3112.

* fix(typebox): use canonical imports and harden coercion

Switch first-party code to canonical typebox imports while retaining legacy extension aliases in the loader.

Remove obsolete runtime codegen guards, expand serialized JSON-schema coercion coverage, and update related tests and fixtures.

Fixes #3112.

---------

Co-authored-by: Mario Zechner <badlogicgames@gmail.com>

packages/coding-agent/examples/extensions/antigravity-image-gen.ts

@@ -31,7 +31,7 @@ import { mkdir, writeFile } from "node:fs/promises";
 import { join } from "node:path";
 import { StringEnum } from "@mariozechner/pi-ai";
 import { type ExtensionAPI, getAgentDir, withFileMutationQueue } from "@mariozechner/pi-coding-agent";
-import { type Static, Type } from "@sinclair/typebox";
+import { type Static, Type } from "typebox";
 
 const PROVIDER = "google-antigravity";
 

packages/coding-agent/examples/extensions/dynamic-tools.ts

@@ -8,7 +8,7 @@
  */
 
 import type { ExtensionAPI } from "@mariozechner/pi-coding-agent";
-import { Type } from "@sinclair/typebox";
+import { Type } from "typebox";
 
 const ECHO_PARAMS = Type.Object({
 	message: Type.String({ description: "Message to echo" }),

packages/coding-agent/examples/extensions/question.ts

@@ -6,7 +6,7 @@
 
 import type { ExtensionAPI } from "@mariozechner/pi-coding-agent";
 import { Editor, type EditorTheme, Key, matchesKey, Text, truncateToWidth } from "@mariozechner/pi-tui";
-import { Type } from "@sinclair/typebox";
+import { Type } from "typebox";
 
 interface OptionWithDesc {
 	label: string;

packages/coding-agent/examples/extensions/questionnaire.ts

@@ -7,7 +7,7 @@
 
 import type { ExtensionAPI } from "@mariozechner/pi-coding-agent";
 import { Editor, type EditorTheme, Key, matchesKey, Text, truncateToWidth } from "@mariozechner/pi-tui";
-import { Type } from "@sinclair/typebox";
+import { Type } from "typebox";
 
 // Types
 interface QuestionOption {

packages/coding-agent/examples/extensions/reload-runtime.ts

@@ -6,7 +6,7 @@
  */
 
 import type { ExtensionAPI } from "@mariozechner/pi-coding-agent";
-import { Type } from "@sinclair/typebox";
+import { Type } from "typebox";
 
 export default function (pi: ExtensionAPI) {
 	// Command entrypoint for reload.

packages/coding-agent/examples/extensions/shutdown-command.ts

@@ -6,7 +6,7 @@
  */
 
 import type { ExtensionAPI } from "@mariozechner/pi-coding-agent";
-import { Type } from "@sinclair/typebox";
+import { Type } from "typebox";
 
 export default function (pi: ExtensionAPI) {
 	// Register a /quit command that cleanly exits pi

packages/coding-agent/examples/extensions/subagent/index.ts

@@ -21,7 +21,7 @@ import type { Message } from "@mariozechner/pi-ai";
 import { StringEnum } from "@mariozechner/pi-ai";
 import { type ExtensionAPI, getMarkdownTheme, withFileMutationQueue } from "@mariozechner/pi-coding-agent";
 import { Container, Markdown, Spacer, Text } from "@mariozechner/pi-tui";
-import { Type } from "@sinclair/typebox";
+import { Type } from "typebox";
 import { type AgentConfig, type AgentScope, discoverAgents } from "./agents.js";
 
 const MAX_PARALLEL_TASKS = 8;

packages/coding-agent/examples/extensions/tic-tac-toe.ts

@@ -20,7 +20,7 @@
 import { StringEnum } from "@mariozechner/pi-ai";
 import type { ExtensionAPI, ExtensionContext, Theme, ToolExecutionMode } from "@mariozechner/pi-coding-agent";
 import { type Component, matchesKey, Text, truncateToWidth, visibleWidth } from "@mariozechner/pi-tui";
-import { Type } from "@sinclair/typebox";
+import { Type } from "typebox";
 
 // Thrown from the tool on illegal actions. The agent runtime surfaces thrown
 // errors as tool errors (isError=true) without resetting any of our state.

packages/coding-agent/examples/extensions/todo.ts

@@ -13,7 +13,7 @@
 import { StringEnum } from "@mariozechner/pi-ai";
 import type { ExtensionAPI, ExtensionContext, Theme } from "@mariozechner/pi-coding-agent";
 import { matchesKey, Text, truncateToWidth } from "@mariozechner/pi-tui";
-import { Type } from "@sinclair/typebox";
+import { Type } from "typebox";
 
 interface Todo {
 	id: number;

packages/coding-agent/examples/extensions/tool-override.ts

@@ -22,10 +22,10 @@
 
 import type { TextContent } from "@mariozechner/pi-ai";
 import { type ExtensionAPI, getAgentDir, withFileMutationQueue } from "@mariozechner/pi-coding-agent";
-import { Type } from "@sinclair/typebox";
 import { constants, readFileSync } from "fs";
 import { access, appendFile, readFile } from "fs/promises";
 import { join, resolve } from "path";
+import { Type } from "typebox";
 
 const LOG_FILE = join(getAgentDir(), "read-access.log");
 

packages/coding-agent/examples/extensions/truncated-tool.ts

@@ -25,10 +25,10 @@ import {
 	withFileMutationQueue,
 } from "@mariozechner/pi-coding-agent";
 import { Text } from "@mariozechner/pi-tui";
-import { Type } from "@sinclair/typebox";
 import { execSync } from "child_process";
 import { tmpdir } from "os";
 import { join } from "path";
+import { Type } from "typebox";
 
 const RgParams = Type.Object({
 	pattern: Type.String({ description: "Search pattern (regex)" }),

packages/coding-agent/examples/extensions/with-deps/index.ts

@@ -6,8 +6,8 @@
  */
 
 import type { ExtensionAPI } from "@mariozechner/pi-coding-agent";
-import { Type } from "@sinclair/typebox";
 import ms from "ms";
+import { Type } from "typebox";
 
 export default function (pi: ExtensionAPI) {
 	// Register a tool that uses ms