test(slashcommand): isolate command discovery mocks

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/hooks/auto-slash-command/executor-resolution.test.ts

@@ -1,8 +1,9 @@
+/// <reference types="bun-types" />
+
 import { afterEach, describe, expect, it, spyOn } from "bun:test"
 import type { LoadedSkill } from "../../features/opencode-skill-loader"
 import * as shared from "../../shared"
-import * as slashcommand from "../../tools/slashcommand"
-import { executeSlashCommand } from "./executor"
+import * as slashcommand from "../../tools/slashcommand/command-discovery"
 
 let resolveCommandsInTextSpy: { mockRestore: () => void } | undefined
 let resolveFileReferencesInTextSpy: { mockRestore: () => void } | undefined
@@ -38,6 +39,11 @@ function restoreExecutorSpies(): void {
   discoverCommandsSyncSpy = undefined
 }
 
+async function executeSlashCommand(...args: Parameters<typeof import("./executor").executeSlashCommand>): ReturnType<typeof import("./executor").executeSlashCommand> {
+  const module = await import(`./executor?test=${Date.now()}-${Math.random()}`)
+  return module.executeSlashCommand(...args)
+}
+
 afterEach(restoreExecutorSpies)
 
 function createRestrictedSkill(): LoadedSkill {

src/hooks/auto-slash-command/executor.ts

@@ -1,10 +1,8 @@
 import { dirname } from "path"
-import {
-  resolveCommandsInText,
-  resolveFileReferencesInText,
-} from "../../shared"
+import { resolveCommandsInText } from "../../shared/command-executor/resolve-commands-in-text"
+import { resolveFileReferencesInText } from "../../shared/file-reference-resolver"
 import { discoverAllSkills, type LoadedSkill, type LazyContentLoader } from "../../features/opencode-skill-loader"
-import { discoverCommandsSync } from "../../tools/slashcommand"
+import * as commandDiscovery from "../../tools/slashcommand/command-discovery"
 import type { CommandInfo as DiscoveredCommandInfo, CommandMetadata } from "../../tools/slashcommand/types"
 import type { ParsedSlashCommand } from "./types"
 
@@ -47,7 +45,7 @@ export interface ExecutorOptions {
 
 
 async function discoverAllCommands(options?: ExecutorOptions): Promise<CommandInfo[]> {
-  const discoveredCommands = discoverCommandsSync(options?.directory ?? process.cwd(), {
+  const discoveredCommands = commandDiscovery.discoverCommandsSync(options?.directory ?? process.cwd(), {
     pluginsEnabled: options?.pluginsEnabled,
     enabledPluginsOverride: options?.enabledPluginsOverride,
   })

src/tools/slashcommand/command-discovery-deps.ts

@@ -0,0 +1,6 @@
+export { EXCLUDED_DIRS } from "../../shared/excluded-dirs"
+export { parseFrontmatter } from "../../shared/frontmatter"
+export { sanitizeModelField } from "../../shared/model-sanitizer"
+export { getOpenCodeCommandDirs } from "../../shared/opencode-command-dirs"
+export { discoverPluginCommandDefinitions } from "../../shared/plugin-command-discovery"
+export { findProjectOpencodeCommandDirs } from "../../shared/project-discovery-dirs"

src/tools/slashcommand/command-discovery.ts

@@ -7,11 +7,12 @@ import {
   getOpenCodeCommandDirs,
   discoverPluginCommandDefinitions,
   EXCLUDED_DIRS,
-} from "../../shared"
+} from "./command-discovery-deps"
 import type { CommandFrontmatter } from "../../features/claude-code-command-loader/types"
 import { isMarkdownFile } from "../../shared/file-utils"
-import { getClaudeConfigDir, log } from "../../shared"
-import { loadBuiltinCommands } from "../../features/builtin-commands"
+import { getClaudeConfigDir } from "../../shared/claude-config-dir"
+import { log } from "../../shared/logger"
+import { loadBuiltinCommands } from "../../features/builtin-commands/commands"
 import type { CommandInfo, CommandMetadata, CommandScope } from "./types"
 
 export interface CommandDiscoveryOptions {