chore: Enable "experimentalSortImports" in Oxfmt and reformat all imorts.

src/agents/pi-extensions/context-pruning/extension.ts

@@ -1,5 +1,4 @@
 import type { ContextEvent, ExtensionAPI, ExtensionContext } from "@mariozechner/pi-coding-agent";
-
 import { pruneContextMessages } from "./pruner.js";
 import { getContextPruningRuntime } from "./runtime.js";
 

src/agents/pi-extensions/context-pruning/pruner.ts

@@ -1,7 +1,6 @@
 import type { AgentMessage } from "@mariozechner/pi-agent-core";
 import type { ImageContent, TextContent, ToolResultMessage } from "@mariozechner/pi-ai";
 import type { ExtensionContext } from "@mariozechner/pi-coding-agent";
-
 import type { EffectiveContextPruningSettings } from "./settings.js";
 import { makeToolPrunablePredicate } from "./tools.js";