feat: add Gemini CLI, OpenCode, and Windsurf IDE integrations
Gemini CLI: platform adapter mapping 6 of 11 hooks, settings.json deep-merge installer, GEMINI.md context injection. OpenCode: plugin with tool.execute.after interceptor, bus events for session lifecycle, claude_mem_search custom tool, AGENTS.md context. Windsurf: platform adapter for tool_info envelope format, hooks.json installer for 5 post-action hooks, .windsurf/rules context injection. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Alex Newman
@@ -0,0 +1,446 @@
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/**
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* GeminiCliHooksInstaller - Gemini CLI integration for claude-mem
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*
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* Installs claude-mem hooks into ~/.gemini/settings.json using deep merge
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* to preserve any existing user configuration.
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*
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* Gemini CLI hook config format:
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* {
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* "hooks": {
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* "AfterTool": [{
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* "matcher": "*",
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* "hooks": [{ "name": "claude-mem", "type": "command", "command": "...", "timeout": 5000 }]
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* }]
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* }
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* }
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*
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* Events registered:
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* SessionStart — session init
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* BeforeAgent — capture user prompt
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* AfterAgent — capture full response
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* AfterTool — capture all tool results (matcher: "*")
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* PreCompress — trigger summary
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* SessionEnd — finalize session
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*/
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import path from 'path';
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import { homedir } from 'os';
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import { existsSync, readFileSync, writeFileSync, mkdirSync } from 'fs';
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import { logger } from '../../utils/logger.js';
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import { replaceTaggedContent } from '../../utils/claude-md-utils.js';
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import { findBunPath, findWorkerServicePath } from './CursorHooksInstaller.js';
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// ---------------------------------------------------------------------------
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// Types
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// ---------------------------------------------------------------------------
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interface GeminiHookEntry {
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name: string;
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type: 'command';
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command: string;
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timeout: number;
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}
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interface GeminiHookMatcher {
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matcher: string;
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hooks: GeminiHookEntry[];
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}
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interface GeminiSettingsJson {
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hooks?: Record<string, GeminiHookMatcher[]>;
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[otherKeys: string]: unknown;
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}
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// ---------------------------------------------------------------------------
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// Constants
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// ---------------------------------------------------------------------------
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const GEMINI_DIR = path.join(homedir(), '.gemini');
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const GEMINI_SETTINGS_PATH = path.join(GEMINI_DIR, 'settings.json');
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const GEMINI_MD_PATH = path.join(GEMINI_DIR, 'GEMINI.md');
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const HOOK_NAME = 'claude-mem';
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const HOOK_TIMEOUT_MS = 5000;
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/**
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* The Gemini CLI events we register hooks for, mapped to our internal event names.
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*/
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const GEMINI_EVENT_TO_CLAUDE_MEM_EVENT: Record<string, string> = {
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'SessionStart': 'session-init',
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'BeforeAgent': 'user-message',
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'AfterAgent': 'observation',
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'AfterTool': 'observation',
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'PreCompress': 'summarize',
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'SessionEnd': 'session-complete',
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};
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// ---------------------------------------------------------------------------
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// Deep Merge for Hook Arrays
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// ---------------------------------------------------------------------------
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/**
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* Merge claude-mem hooks into an existing event's hook matcher array.
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* If a matcher with the same `matcher` value already has a hook named "claude-mem",
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* it is replaced. Otherwise, the hook is appended.
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*/
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function mergeHookMatchers(
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existingMatchers: GeminiHookMatcher[],
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newMatcher: GeminiHookMatcher,
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): GeminiHookMatcher[] {
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const result = [...existingMatchers];
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const existingMatcherIndex = result.findIndex(
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(m) => m.matcher === newMatcher.matcher,
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);
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if (existingMatcherIndex !== -1) {
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// Matcher exists — replace or add our hook within it
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const existing = result[existingMatcherIndex];
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const hookIndex = existing.hooks.findIndex((h) => h.name === HOOK_NAME);
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if (hookIndex !== -1) {
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existing.hooks[hookIndex] = newMatcher.hooks[0];
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} else {
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existing.hooks.push(newMatcher.hooks[0]);
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}
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} else {
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// No matching matcher — add the whole entry
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result.push(newMatcher);
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}
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return result;
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}
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// ---------------------------------------------------------------------------
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// Hook Installation
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// ---------------------------------------------------------------------------
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/**
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* Build the hook command string for a given Gemini CLI event.
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*
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* Invokes: <bun-path> <worker-service.cjs> hook gemini-cli <event>
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*/
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function buildHookCommand(bunPath: string, workerServicePath: string, claudeMemEvent: string): string {
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const escapedBunPath = bunPath.replace(/\\/g, '\\\\');
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const escapedWorkerPath = workerServicePath.replace(/\\/g, '\\\\');
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return `"${escapedBunPath}" "${escapedWorkerPath}" hook gemini-cli ${claudeMemEvent}`;
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}
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/**
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* Install claude-mem hooks into Gemini CLI's settings.json.
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* Deep-merges with existing configuration — never overwrites.
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*
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* @returns 0 on success, 1 on failure
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*/
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export async function installGeminiCliHooks(): Promise<number> {
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console.log('\nInstalling Claude-Mem Gemini CLI hooks...\n');
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// Find required paths
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const workerServicePath = findWorkerServicePath();
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if (!workerServicePath) {
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console.error('Could not find worker-service.cjs');
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console.error(' Expected at: ~/.claude/plugins/marketplaces/thedotmack/plugin/scripts/worker-service.cjs');
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return 1;
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}
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const bunPath = findBunPath();
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console.log(` Using Bun runtime: ${bunPath}`);
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console.log(` Worker service: ${workerServicePath}`);
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try {
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// Ensure ~/.gemini exists
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mkdirSync(GEMINI_DIR, { recursive: true });
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// Read existing settings (deep merge, never overwrite)
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let settings: GeminiSettingsJson = {};
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if (existsSync(GEMINI_SETTINGS_PATH)) {
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try {
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settings = JSON.parse(readFileSync(GEMINI_SETTINGS_PATH, 'utf-8'));
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} catch (parseError) {
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logger.error('GEMINI', 'Corrupt settings.json, creating backup', { path: GEMINI_SETTINGS_PATH }, parseError as Error);
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// Back up corrupt file
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const backupPath = `${GEMINI_SETTINGS_PATH}.backup.${Date.now()}`;
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writeFileSync(backupPath, readFileSync(GEMINI_SETTINGS_PATH));
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console.warn(` Backed up corrupt settings.json to ${backupPath}`);
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settings = {};
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}
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}
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// Initialize hooks object if missing
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if (!settings.hooks) {
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settings.hooks = {};
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}
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// Register each event
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for (const [geminiEvent, claudeMemEvent] of Object.entries(GEMINI_EVENT_TO_CLAUDE_MEM_EVENT)) {
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const command = buildHookCommand(bunPath, workerServicePath, claudeMemEvent);
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// AfterTool uses matcher: "*" to capture all tool results
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const matcherValue = geminiEvent === 'AfterTool' ? '*' : '*';
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const newMatcher: GeminiHookMatcher = {
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matcher: matcherValue,
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hooks: [{
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name: HOOK_NAME,
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type: 'command',
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command,
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timeout: HOOK_TIMEOUT_MS,
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}],
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};
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const existingMatchers = settings.hooks[geminiEvent] ?? [];
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settings.hooks[geminiEvent] = mergeHookMatchers(existingMatchers, newMatcher);
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}
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// Write merged settings
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writeFileSync(GEMINI_SETTINGS_PATH, JSON.stringify(settings, null, 2) + '\n');
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console.log(` Updated ${GEMINI_SETTINGS_PATH}`);
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console.log(` Registered hooks for: ${Object.keys(GEMINI_EVENT_TO_CLAUDE_MEM_EVENT).join(', ')}`);
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// Inject context into GEMINI.md
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injectGeminiMdContext();
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console.log(`
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Installation complete!
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Hooks installed to: ${GEMINI_SETTINGS_PATH}
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Using unified CLI: bun worker-service.cjs hook gemini-cli <event>
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Next steps:
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1. Start claude-mem worker: claude-mem start
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2. Restart Gemini CLI to load the hooks
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3. Memory capture is now automatic!
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Context Injection:
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Context from past sessions is injected via ${GEMINI_MD_PATH}
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and automatically included in every Gemini CLI session.
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`);
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return 0;
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} catch (error) {
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console.error(`\nInstallation failed: ${(error as Error).message}`);
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return 1;
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}
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}
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// ---------------------------------------------------------------------------
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// Context Injection (GEMINI.md)
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// ---------------------------------------------------------------------------
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/**
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* Inject claude-mem context section into ~/.gemini/GEMINI.md.
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* Uses the same <claude-mem-context> tag pattern as CLAUDE.md.
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* Preserves any existing user content outside the tags.
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*/
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function injectGeminiMdContext(): void {
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try {
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let existingContent = '';
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if (existsSync(GEMINI_MD_PATH)) {
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existingContent = readFileSync(GEMINI_MD_PATH, 'utf-8');
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}
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// Initial placeholder content — will be populated after first session
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const contextContent = [
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'# Recent Activity',
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'',
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'<!-- This section is auto-generated by claude-mem. Edit content outside the tags. -->',
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'',
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'*No context yet. Complete your first session and context will appear here.*',
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].join('\n');
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const finalContent = replaceTaggedContent(existingContent, contextContent);
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writeFileSync(GEMINI_MD_PATH, finalContent);
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console.log(` Injected context placeholder into ${GEMINI_MD_PATH}`);
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} catch (error) {
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// Non-fatal — hooks still work without context injection
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logger.warn('GEMINI', 'Failed to inject GEMINI.md context', { error: (error as Error).message });
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console.warn(` Warning: Could not inject context into GEMINI.md: ${(error as Error).message}`);
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}
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}
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// ---------------------------------------------------------------------------
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// Uninstallation
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// ---------------------------------------------------------------------------
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/**
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* Remove claude-mem hooks from Gemini CLI settings.json.
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* Preserves all other hooks and settings.
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*
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* @returns 0 on success, 1 on failure
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*/
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export function uninstallGeminiCliHooks(): number {
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console.log('\nUninstalling Claude-Mem Gemini CLI hooks...\n');
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try {
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if (!existsSync(GEMINI_SETTINGS_PATH)) {
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console.log(' No settings.json found — nothing to uninstall.');
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return 0;
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}
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let settings: GeminiSettingsJson;
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try {
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settings = JSON.parse(readFileSync(GEMINI_SETTINGS_PATH, 'utf-8'));
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} catch {
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console.error(' Could not parse settings.json');
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return 1;
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}
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if (!settings.hooks) {
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console.log(' No hooks configured — nothing to uninstall.');
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return 0;
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}
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let removedCount = 0;
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// Remove claude-mem hooks from each event
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for (const eventName of Object.keys(settings.hooks)) {
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const matchers = settings.hooks[eventName];
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if (!Array.isArray(matchers)) continue;
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for (const matcher of matchers) {
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if (!Array.isArray(matcher.hooks)) continue;
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const beforeLength = matcher.hooks.length;
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matcher.hooks = matcher.hooks.filter((h) => h.name !== HOOK_NAME);
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removedCount += beforeLength - matcher.hooks.length;
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}
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// Clean up empty matchers
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settings.hooks[eventName] = matchers.filter(
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(m) => m.hooks.length > 0,
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);
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// Clean up empty event arrays
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if (settings.hooks[eventName].length === 0) {
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delete settings.hooks[eventName];
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}
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}
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// Clean up empty hooks object
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if (Object.keys(settings.hooks).length === 0) {
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delete settings.hooks;
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}
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writeFileSync(GEMINI_SETTINGS_PATH, JSON.stringify(settings, null, 2) + '\n');
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console.log(` Removed ${removedCount} claude-mem hook(s) from settings.json`);
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// Remove context section from GEMINI.md
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removeGeminiMdContext();
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console.log('\nUninstallation complete!');
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console.log('Restart Gemini CLI to apply changes.\n');
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return 0;
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} catch (error) {
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console.error(`\nUninstallation failed: ${(error as Error).message}`);
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return 1;
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}
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}
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/**
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* Remove claude-mem context section from GEMINI.md.
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* Preserves user content outside the <claude-mem-context> tags.
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*/
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function removeGeminiMdContext(): void {
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try {
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if (!existsSync(GEMINI_MD_PATH)) return;
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const content = readFileSync(GEMINI_MD_PATH, 'utf-8');
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const startTag = '<claude-mem-context>';
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const endTag = '</claude-mem-context>';
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const startIdx = content.indexOf(startTag);
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const endIdx = content.indexOf(endTag);
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if (startIdx === -1 || endIdx === -1) return;
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// Remove the tagged section and any surrounding blank lines
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const before = content.substring(0, startIdx).replace(/\n+$/, '');
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const after = content.substring(endIdx + endTag.length).replace(/^\n+/, '');
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const finalContent = (before + (after ? '\n\n' + after : '')).trim();
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if (finalContent) {
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writeFileSync(GEMINI_MD_PATH, finalContent + '\n');
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} else {
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// File would be empty — leave it empty rather than deleting
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// (user may have other tooling that expects it to exist)
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writeFileSync(GEMINI_MD_PATH, '');
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}
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console.log(` Removed context section from ${GEMINI_MD_PATH}`);
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} catch (error) {
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logger.warn('GEMINI', 'Failed to clean GEMINI.md context', { error: (error as Error).message });
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}
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}
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// ---------------------------------------------------------------------------
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// Status Check
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// ---------------------------------------------------------------------------
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/**
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* Check Gemini CLI hooks installation status.
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*
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* @returns 0 always (informational)
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*/
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export function checkGeminiCliHooksStatus(): number {
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console.log('\nClaude-Mem Gemini CLI Hooks Status\n');
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if (!existsSync(GEMINI_SETTINGS_PATH)) {
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console.log('Status: Not installed');
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console.log(` No settings file at ${GEMINI_SETTINGS_PATH}`);
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console.log('\nRun: npx claude-mem install --ide gemini-cli\n');
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return 0;
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}
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try {
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const settings: GeminiSettingsJson = JSON.parse(readFileSync(GEMINI_SETTINGS_PATH, 'utf-8'));
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if (!settings.hooks) {
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console.log('Status: Not installed');
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console.log(' settings.json exists but has no hooks section.');
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return 0;
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}
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const installedEvents: string[] = [];
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for (const [eventName, matchers] of Object.entries(settings.hooks)) {
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if (!Array.isArray(matchers)) continue;
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for (const matcher of matchers) {
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if (matcher.hooks?.some((h: GeminiHookEntry) => h.name === HOOK_NAME)) {
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installedEvents.push(eventName);
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}
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}
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}
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if (installedEvents.length === 0) {
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console.log('Status: Not installed');
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console.log(' settings.json exists but no claude-mem hooks found.');
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} else {
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console.log('Status: Installed');
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console.log(` Config: ${GEMINI_SETTINGS_PATH}`);
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console.log(` Events: ${installedEvents.join(', ')}`);
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// Check GEMINI.md context
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if (existsSync(GEMINI_MD_PATH)) {
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const mdContent = readFileSync(GEMINI_MD_PATH, 'utf-8');
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if (mdContent.includes('<claude-mem-context>')) {
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console.log(` Context: Active (${GEMINI_MD_PATH})`);
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} else {
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console.log(` Context: GEMINI.md exists but no context tags`);
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}
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} else {
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console.log(` Context: No GEMINI.md file`);
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}
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// Check expected vs actual events
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const expectedEvents = Object.keys(GEMINI_EVENT_TO_CLAUDE_MEM_EVENT);
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const missingEvents = expectedEvents.filter((e) => !installedEvents.includes(e));
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if (missingEvents.length > 0) {
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console.log(` Warning: Missing events: ${missingEvents.join(', ')}`);
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console.log(' Run install again to add missing hooks.');
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}
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}
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} catch {
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console.log('Status: Unknown');
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console.log(' Could not parse settings.json.');
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}
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console.log('');
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return 0;
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}
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