fix(claude-code-hooks): cache idle hook config and parent lookups

Reduce repeated session.idle work by reusing hook config loads across a short TTL and by retrying parent session lookup instead of permanently caching transient failures. Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
2026-04-01 17:43:00 -07:00
parent 724d21b3cc
commit f4b8e1c365
7 changed files with 441 additions and 11 deletions
@@ -0,0 +1,110 @@
+const { afterEach, beforeEach, describe, expect, mock, test } = require("bun:test")
+import { existsSync, mkdirSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from "node:fs"
+import { tmpdir } from "node:os"
+import { join } from "node:path"
+import { getOpenCodeConfigDir } from "../../shared"
+
+const { clearPluginExtendedConfigCache, loadPluginExtendedConfig } = await import("./config-loader")
+
+describe("loadPluginExtendedConfig", () => {
+  const originalDateNow = Date.now
+  let originalWorkingDirectory = ""
+  let tempDirectory = ""
+  let userConfigPath = ""
+  let projectConfigPath = ""
+  let originalUserConfig: string | null = null
+  let mockedNow = 0
+
+  beforeEach(() => {
+    //#given
+    originalWorkingDirectory = process.cwd()
+    tempDirectory = mkdtempSync(join(tmpdir(), "omo-cc-plugin-project-config-"))
+    userConfigPath = join(getOpenCodeConfigDir({ binary: "opencode" }), "opencode-cc-plugin.json")
+    projectConfigPath = join(tempDirectory, ".opencode", "opencode-cc-plugin.json")
+    mkdirSync(getOpenCodeConfigDir({ binary: "opencode" }), { recursive: true })
+    mkdirSync(join(tempDirectory, ".opencode"), { recursive: true })
+    originalUserConfig = existsSync(userConfigPath)
+      ? readFileSync(userConfigPath, "utf8")
+      : null
+    process.chdir(tempDirectory)
+    mockedNow = 1_000
+    Date.now = () => mockedNow
+    clearPluginExtendedConfigCache()
+  })
+
+  afterEach(() => {
+    clearPluginExtendedConfigCache()
+    Date.now = originalDateNow
+    process.chdir(originalWorkingDirectory)
+    rmSync(tempDirectory, { recursive: true, force: true })
+    if (originalUserConfig === null) {
+      rmSync(userConfigPath, { force: true })
+    } else {
+      writeFileSync(userConfigPath, originalUserConfig)
+    }
+  })
+
+  test("#given cached extended config #when files change within ttl #then cached config is reused", async () => {
+    //#given
+    writeConfigFile(userConfigPath, ["user-first"])
+    writeConfigFile(projectConfigPath, ["project-first"])
+
+    //#when
+    const firstResult = await loadPluginExtendedConfig()
+    writeConfigFile(userConfigPath, ["user-second"])
+    writeConfigFile(projectConfigPath, ["project-second"])
+    mockedNow += 5_000
+    const secondResult = await loadPluginExtendedConfig()
+
+    //#then
+    expect(firstResult).toEqual({
+      disabledHooks: {
+        Stop: ["project-first"],
+      },
+    })
+    expect(secondResult).toEqual(firstResult)
+  })
+
+  test("#given cached extended config #when ttl expires or cache clears #then updated config is reloaded", async () => {
+    //#given
+    writeConfigFile(userConfigPath, ["user-first"])
+    writeConfigFile(projectConfigPath, ["project-first"])
+    await loadPluginExtendedConfig()
+
+    //#when
+    writeConfigFile(userConfigPath, ["user-second"])
+    writeConfigFile(projectConfigPath, ["project-second"])
+    mockedNow += 31_000
+    const ttlReloaded = await loadPluginExtendedConfig()
+
+    writeConfigFile(userConfigPath, ["user-third"])
+    writeConfigFile(projectConfigPath, ["project-third"])
+    clearPluginExtendedConfigCache()
+    const manuallyReloaded = await loadPluginExtendedConfig()
+
+    //#then
+    expect(ttlReloaded).toEqual({
+      disabledHooks: {
+        Stop: ["project-second"],
+      },
+    })
+    expect(manuallyReloaded).toEqual({
+      disabledHooks: {
+        Stop: ["project-third"],
+      },
+    })
+  })
+})
+
+function writeConfigFile(filePath: string, stopPatterns: string[]): void {
+  writeFileSync(
+    filePath,
+    JSON.stringify({
+      disabledHooks: {
+        Stop: stopPatterns,
+      },
+    }),
+  )
+}
+
+export {}