refactor: type ModuleContext and index.ts functions with SDK types

types.ts

@@ -1,3 +1,4 @@
+import type { ExtensionContext, ReadonlyFooterDataProvider } from "@mariozechner/pi-coding-agent";
 import type { UsageLimit, UsageReport } from "./usage";
 
 export type ModuleName = "directory" | "context" | "model" | "thinking" | "cost" | "usage";
@@ -40,8 +41,8 @@ export interface StatusbarState {
 }
 
 export interface ModuleContext {
-  ctx: any;
-  footerData: any;
+  ctx: ExtensionContext;
+  footerData: ReadonlyFooterDataProvider;
   state: StatusbarState;
   config: StatusbarConfig;
 }