fix: remove unused type alias and fix test compatibility with Bun 1.3.11

- Remove unused ParsedChunkTarget type alias (lint error)
- Increase setImmediate timing in history storage compat test
- Mock warmPythonEnvironment in python tool tests
- Fix tlaplus LSP test to spy on $which instead of Bun.which

packages/coding-agent/src/config/settings.ts

@@ -19,9 +19,9 @@ import { YAML } from "bun";
 import { type Settings as SettingsCapabilityItem, settingsCapability } from "../capability/settings";
 import type { ModelRole } from "../config/model-registry";
 import { loadCapability } from "../discovery";
-import { type EditMode, normalizeEditMode } from "../edit";
 import { isLightTheme, setAutoThemeMapping, setColorBlindMode, setSymbolPreset } from "../modes/theme/theme";
 import { AgentStorage } from "../session/agent-storage";
+import { type EditMode, normalizeEditMode } from "../utils/edit-mode";
 import { withFileLock } from "./file-lock";
 import {
 	type BashInterceptorRule,

packages/coding-agent/src/edit/modes/chunk.ts

@@ -88,10 +88,6 @@ export function invalidateChunkCache(filePath: string): void {
 	chunkStateCache.delete(filePath);
 }
 
-type ParsedChunkTarget = {
-	selector: string;
-};
-
 type ChunkSourceContext = {
 	resolvedPath: string;
 	sourceFile: BunFile;