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Merged
shrijayan merged 1 commit into from
Mar 8, 2026
Merged

feat: add ToolHistory class to manage tool usage history and persistence #38

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5 changes: 5 additions & 0 deletions packages/cli/src/cli-options.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ export interface CliOptions {
hubInfo: boolean;
hubStop: boolean;
hubStatus: boolean;
headless: boolean;
}

export function parseArgs(argv: string[]): CliOptions {
Expand All @@ -36,6 +37,7 @@ export function parseArgs(argv: string[]): CliOptions {
hubInfo: false,
hubStop: false,
hubStatus: false,
headless: false,
};

const args = argv.slice(2);
Expand Down Expand Up @@ -89,6 +91,9 @@ export function parseArgs(argv: string[]): CliOptions {
} else if (arg === "--hub-status") {
options.hubStatus = true;
i++;
} else if (arg === "--headless") {
options.headless = true;
i++;
} else if (arg === "--help" || arg === "-h") {
printHelp();
process.exit(0);
Expand Down
136 changes: 67 additions & 69 deletions packages/cli/src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -186,7 +186,7 @@ async function main(): Promise<void> {
}

// First-run: trigger wizard if no config exists and no override flags
if (!configExists() && !options.tailscale && !options.local && process.stdin.isTTY) {
if (!options.headless && !configExists() && !options.tailscale && !options.local && process.stdin.isTTY) {
await runSetupWizard();
}

Expand All @@ -196,6 +196,8 @@ async function main(): Promise<void> {
process.exit(1);
}

const headless = options.headless;

// Load config
const config = loadConfig();

Expand Down Expand Up @@ -276,89 +278,85 @@ async function main(): Promise<void> {
}
}

// Display connection info
const dashboardUrl = hubConfig
? `http://${ip}:${HUB_EXTERNAL_PORT}?token=${hubConfig.masterToken}`
: null;
// Display connection info (skip in headless mode)
let sleepGuard: ChildProcess | null = null;

if (!headless) {
const dashboardUrl = hubConfig
? `http://${ip}:${HUB_EXTERNAL_PORT}?token=${hubConfig.masterToken}`
: null;

if (dashboardUrl && !options.noQr) {
// Show QR pointing to dashboard
if (!isFirstSession) {
if (dashboardUrl && !options.noQr) {
if (!isFirstSession) {
console.log(`\n Session "${cmd}" registered with hub.`);
}
displayQR(dashboardUrl);
} else if (dashboardUrl) {
console.log(`\n Session "${cmd}" registered with hub.`);
console.log(` Dashboard: ${dashboardUrl}`);
console.log("");
} else if (!options.noQr) {
const directUrl = `http://${ip}:${port}?token=${token}`;
displayQR(directUrl);
}
displayQR(dashboardUrl);
} else if (dashboardUrl) {
// QR disabled — text only
console.log(`\n Session "${cmd}" registered with hub.`);
console.log(` Dashboard: ${dashboardUrl}`);

sleepGuard = preventSleep();

console.log(` Server listening on ${host}:${port}`);
console.log(` Running: ${options.command.join(" ")}`);
console.log(` PID: ${ptyManager.pid}`);
console.log(` Sleep prevention: ${sleepGuard ? "active" : "unavailable"}`);
console.log("");
} else if (!options.noQr) {
// No hub — show direct session URL
const directUrl = `http://${ip}:${port}?token=${token}`;
displayQR(directUrl);
}

// Prevent laptop from sleeping during session
const sleepGuard = preventSleep();
// Pipe local terminal I/O to/from the PTY
if (process.stdin.isTTY) {
process.stdin.setRawMode(true);
}
process.stdin.resume();
process.stdin.setEncoding("utf-8");

console.log(` Server listening on ${host}:${port}`);
console.log(` Running: ${options.command.join(" ")}`);
console.log(` PID: ${ptyManager.pid}`);
console.log(` Sleep prevention: ${sleepGuard ? "active" : "unavailable"}`);
console.log("");
process.stdin.on("data", (data: string) => {
if (process.stdout.columns && process.stdout.rows) {
if (process.stdout.columns !== ptyManager.cols || process.stdout.rows !== ptyManager.rows) {
server.resizeFromLocal(process.stdout.columns, process.stdout.rows);
}
}
ptyManager.write(data);
});

// Pipe local terminal I/O to/from the PTY
// This lets the user interact with the agent locally too
if (process.stdin.isTTY) {
process.stdin.setRawMode(true);
}
process.stdin.resume();
process.stdin.setEncoding("utf-8");

process.stdin.on("data", (data: string) => {
// Auto-resize PTY to match local terminal when user types locally.
// Handles the case where a phone resized the PTY smaller,
// and the user returns to the laptop without resizing the window.
if (process.stdout.columns && process.stdout.rows) {
if (process.stdout.columns !== ptyManager.cols || process.stdout.rows !== ptyManager.rows) {
ptyManager.onData((data: string) => {
process.stdout.write(data);
});

// Handle terminal resize
function handleResize(): void {
if (process.stdout.columns && process.stdout.rows) {
server.resizeFromLocal(process.stdout.columns, process.stdout.rows);
}
}
ptyManager.write(data);
});

ptyManager.onData((data: string) => {
process.stdout.write(data);
});

// Handle terminal resize — resizes PTY and broadcasts to all web clients
function handleResize(): void {
if (process.stdout.columns && process.stdout.rows) {
server.resizeFromLocal(process.stdout.columns, process.stdout.rows);
}
process.stdout.on("resize", handleResize);
handleResize();
}

process.stdout.on("resize", handleResize);
handleResize();

// Clean shutdown
async function cleanup(): Promise<void> {
// Restore terminal state that the child process may have modified.
// Agents like Codex enable kitty keyboard protocol, bracketed paste,
// mouse tracking etc. — if killed abruptly they don't get to reset these.
process.stdout.write(
"\x1b[>0u" + // Reset kitty keyboard protocol to default
"\x1b[?2004l" + // Disable bracketed paste mode
"\x1b[?1000l" + // Disable mouse click tracking
"\x1b[?1002l" + // Disable mouse button tracking
"\x1b[?1003l" + // Disable mouse all-motion tracking
"\x1b[?1006l" + // Disable SGR mouse encoding
"\x1b[?25h" + // Show cursor (in case it was hidden)
"\x1b[?1049l" // Exit alternate screen buffer (if active)
);

if (process.stdin.isTTY) {
process.stdin.setRawMode(false);
if (!headless) {
// Restore terminal state that the child process may have modified.
process.stdout.write(
"\x1b[>0u" + // Reset kitty keyboard protocol to default
"\x1b[?2004l" + // Disable bracketed paste mode
"\x1b[?1000l" + // Disable mouse click tracking
"\x1b[?1002l" + // Disable mouse button tracking
"\x1b[?1003l" + // Disable mouse all-motion tracking
"\x1b[?1006l" + // Disable SGR mouse encoding
"\x1b[?25h" + // Show cursor (in case it was hidden)
"\x1b[?1049l" // Exit alternate screen buffer (if active)
);

if (process.stdin.isTTY) {
process.stdin.setRawMode(false);
}
}

// Stop heartbeat
Expand Down
41 changes: 40 additions & 1 deletion packages/hub/src/daemon.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,11 @@ import { writeFileSync, mkdirSync, unlinkSync, existsSync, readdirSync, statSync
import { homedir } from "node:os";
import { join, dirname } from "node:path";
import { fileURLToPath } from "node:url";
import { spawn, type ChildProcess } from "node:child_process";
import { generateToken } from "./auth.js";
import { SessionRegistry } from "./registry.js";
import { SessionStore } from "./session-store.js";
import { ToolHistory } from "./tool-history.js";
import { createInternalApi } from "./internal-api.js";
import { createDashboardServer } from "./server.js";
import { PreviewCollector } from "./preview-collector.js";
Expand All @@ -30,6 +32,30 @@ function getHubConfigPath(): string {
return join(getHubDir(), "hub.json");
}

/** Validate a tool name: alphanumeric, hyphens, underscores, dots only. */
function isValidToolName(tool: string): boolean {
return /^[a-zA-Z0-9._-]+$/.test(tool) && tool.length > 0 && tool.length <= 100;
}

/**
* Spawn a new headless CLI session.
* The CLI process registers with the hub as usual.
*/
function spawnSession(
tool: string,
cwd: string,
cliEntryPath: string,
): ChildProcess {
const child = spawn(process.execPath, [cliEntryPath, "--headless", "--", tool], {
cwd,
stdio: "ignore",
detached: true,
env: { ...process.env },
});
child.unref();
return child;
}

async function main(): Promise<void> {
const hubDir = getHubDir();
mkdirSync(hubDir, { recursive: true });
Expand All @@ -56,6 +82,9 @@ async function main(): Promise<void> {
const registry = new SessionRegistry({ store: sessionStore });
registry.startHealthChecks();

// Tool history for autocomplete
const toolHistory = new ToolHistory();

// Clean up old session logs (default: 30 days retention)
const logsDir = join(hubDir, "logs");
if (existsSync(logsDir)) {
Expand All @@ -72,9 +101,11 @@ async function main(): Promise<void> {
} catch {}
}

// Resolve path to the built dashboard
// Resolve paths
const __dirname = dirname(fileURLToPath(import.meta.url));
const dashboardPath = join(__dirname, "dashboard");
// Hub lives at dist/hub/daemon.js, CLI entry is at dist/index.js
const cliEntryPath = join(__dirname, "..", "index.js");

// Start internal API (localhost only)
const internalApi = createInternalApi({
Expand All @@ -93,6 +124,14 @@ async function main(): Promise<void> {
host: "0.0.0.0",
port: HUB_EXTERNAL_PORT,
previewCollector,
toolHistory,
onCreateSession: (tool: string, cwd: string) => {
if (!isValidToolName(tool)) {
throw new Error(`Invalid tool name: ${tool}`);
}
toolHistory.recordUsage(tool);
spawnSession(tool, cwd, cliEntryPath);
},
});

// Wait for both servers to actually bind to their ports
Expand Down
45 changes: 45 additions & 0 deletions packages/hub/src/dashboard/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,51 @@
</div>
</main>

<!-- FAB: Create Session -->
<button id="fab-create" aria-label="New session">+</button>

<!-- Create Session Modal -->
<div id="create-modal" class="modal-overlay hidden">
<div class="modal-content">
<div class="modal-header">
<span class="modal-title">New Session</span>
<button class="modal-close" id="modal-close">&times;</button>
</div>

<!-- View: Create Form -->
<div id="create-form-view">
<label class="form-label">Tool</label>
<input type="text" id="tool-input" class="form-input" placeholder="e.g. claude, aider, bash" autocomplete="off" autocapitalize="off" />
<div id="tool-chips" class="chip-row"></div>

<label class="form-label">Working Directory</label>
<div id="dir-selected" class="dir-display">~</div>
<div class="dir-actions">
<button class="dir-action-btn" id="btn-browse">Browse...</button>
</div>

<div id="create-error" class="create-error hidden"></div>
<button id="btn-create-session" class="btn-create" disabled>Create Session</button>
</div>

<!-- View: Directory Browser -->
<div id="browse-view" class="hidden">
<div class="browse-header">
<button class="browse-back" id="browse-back">&larr; Back</button>
<button class="browse-select" id="browse-select">Select this folder</button>
</div>
<div id="browse-breadcrumb" class="browse-breadcrumb"></div>
<div id="browse-list" class="browse-list"></div>
</div>

<!-- Loading spinner shown during session creation -->
<div id="create-spinner" class="create-spinner hidden">
<div class="spinner"></div>
<span>Creating session...</span>
</div>
</div>
</div>

<script type="module" src="./main.ts"></script>
</body>
</html>
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