Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 538 characters to 3026 characters.

     ...
  47
  48 	private _scopedModels: Array<{ model: Model<any>; thinkingLevel: ThinkingLevel }>;
  49 	private _fileCommands: FileSlashCommand[];
  50
+ 51 	// Event subscription state
+ 52 	private _unsubscribeAgent?: () => void;
+ 53 	private _eventListeners: AgentEventListener[] = [];
+ 54
  51 	constructor(config: AgentSessionConfig) {
  52 		this.agent = config.agent;
  53 		this.sessionManager = config.sessionManager;
  54 		this.settingsManager = config.settingsManager;
  55 		this._scopedModels = config.scopedModels ?? [];
  56 		this._fileCommands = config.fileCommands ?? [];
  57 	}
  58
  59 	// =========================================================================
+ 64 	// Event Subscription
+ 65 	// =========================================================================
+ 66
+ 67 	/**
+ 68 	 * Subscribe to agent events.
+ 69 	 * Session persistence is handled internally (saves messages on message_end).
+ 70 	 * Multiple listeners can be added. Returns unsubscribe function for this listener.
+ 71 	 */
+ 72 	subscribe(listener: AgentEventListener): () => void {
+ 73 		this._eventListeners.push(listener);
+ 74
+ 75 		// Set up agent subscription if not already done
+ 76 		if (!this._unsubscribeAgent) {
+ 77 			this._unsubscribeAgent = this.agent.subscribe(async (event) => {
+ 78 				// Notify all listeners
+ 79 				for (const l of this._eventListeners) {
+ 80 					l(event);
+ 81 				}
+ 82
+ 83 				// Handle session persistence
+ 84 				if (event.type === "message_end") {
+ 85 					this.sessionManager.saveMessage(event.message);
+ 86
+ 87 					// Initialize session after first user+assistant exchange
+ 88 					if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
+ 89 						this.sessionManager.startSession(this.agent.state);
+ 90 					}
+ 91
+ 92 					// Check auto-compaction after assistant messages
+ 93 					// (will be implemented in WP7)
+ 94 					// if (event.message.role === "assistant") {
+ 95 					//   await this.checkAutoCompaction();
+ 96 					// }
+ 97 				}
+ 98 			});
+ 99 		}
+100
+101 		// Return unsubscribe function for this specific listener
+102 		return () => {
+103 			const index = this._eventListeners.indexOf(listener);
+104 			if (index !== -1) {
+105 				this._eventListeners.splice(index, 1);
+106 			}
+107 		};
+108 	}
+109
+110 	/**
+111 	 * Unsubscribe from agent entirely and clear all listeners.
+112 	 * Used during reset/cleanup operations.
+113 	 */
+114 	unsubscribeAll(): void {
+115 		if (this._unsubscribeAgent) {
+116 			this._unsubscribeAgent();
+117 			this._unsubscribeAgent = undefined;
+118 		}
+119 		this._eventListeners = [];
+120 	}
+121
+122 	/**
+123 	 * Re-subscribe to agent after unsubscribeAll.
+124 	 * Call this after operations that require temporary unsubscription.
+125 	 */
+126 	resubscribe(): void {
+127 		if (this._unsubscribeAgent) return; // Already subscribed
+128
+129 		this._unsubscribeAgent = this.agent.subscribe(async (event) => {
+130 			for (const l of this._eventListeners) {
+131 				l(event);
+132 			}
+133
+134 			if (event.type === "message_end") {
+135 				this.sessionManager.saveMessage(event.message);
+136
+137 				if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
+138 					this.sessionManager.startSession(this.agent.state);
+139 				}
+140 			}
+141 		});
+142 	}
+143
+144 	// =========================================================================
  60 	// Read-only State Access
  61 	// =========================================================================
  62
  63 	/** Full agent state */
     ...


bash

cd /Users/badlogic/workspaces/pi-mono && npm run check


> pi-monorepo@0.0.3 check
> biome check --write . && npm run check --workspaces --if-present && tsgo --noEmit

Checked 232 files in 120ms. No fixes applied.

> @mariozechner/pi-agent-core@0.14.2 check
> tsgo --noEmit

> @mariozechner/pi-ai@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 36 files in 46ms. No fixes applied.

> @mariozechner/pi-coding-agent@0.14.2 check
> tsgo --noEmit

> @mariozechner/pi-mom@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 12 files in 15ms. No fixes applied.

> @mariozechner/pi@0.14.2 check
> biome check --write .

Checked 10 files in 17ms. No fixes applied.

> @mariozechner/pi-proxy@0.14.2 check
> biome check --write .

Checked 3 files in 3ms. No fixes applied.

> @mariozechner/pi-tui@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 22 files in 23ms. No fixes applied.

> @mariozechner/pi-web-ui@0.14.2 check
> tsc --noEmit && cd example && tsc --noEmit

> pi-web-ui-example@1.2.2 check
> tsc --noEmit


edit

- [ ] Add `subscribe()` method to AgentSession
- [ ] Add `unsubscribeAll()` private method
- [ ] Verify with `npm run check`

- [x] Add `subscribe()` method to AgentSession
- [x] Add `unsubscribeAll()` method
- [x] Add `resubscribe()` method
- [x] Verify with `npm run check`


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 124 characters to 149 characters.

      ...
  339
  340 **Verification:**
  341 1. `npm run check` passes
  342
- 343 - [ ] Add `subscribe()` method to AgentSession
- 344 - [ ] Add `unsubscribeAll()` private method
- 345 - [ ] Verify with `npm run check`
+ 343 - [x] Add `subscribe()` method to AgentSession
+ 344 - [x] Add `unsubscribeAll()` method
+ 345 - [x] Add `resubscribe()` method
+ 346 - [x] Verify with `npm run check`
  346
  347 ---
  348
  349 ### WP4: AgentSession - Prompting Methods
      ...


bash

cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP3: Add AgentSession event subscription with session persistence"


Running formatting, linting, and type checking...

> pi-monorepo@0.0.3 check
> biome check --write . && npm run check --workspaces --if-present && tsgo --noEmit

Checked 232 files in 120ms. No fixes applied.

> @mariozechner/pi-agent-core@0.14.2 check
> tsgo --noEmit

> @mariozechner/pi-ai@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 36 files in 38ms. No fixes applied.

> @mariozechner/pi-coding-agent@0.14.2 check
> tsgo --noEmit

> @mariozechner/pi-mom@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 12 files in 14ms. No fixes applied.

> @mariozechner/pi@0.14.2 check
> biome check --write .

Checked 10 files in 17ms. No fixes applied.

> @mariozechner/pi-proxy@0.14.2 check
> biome check --write .

Checked 3 files in 3ms. No fixes applied.

> @mariozechner/pi-tui@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 22 files in 23ms. No fixes applied.

> @mariozechner/pi-web-ui@0.14.2 check
> tsc --noEmit && cd example && tsc --noEmit

> pi-web-ui-example@1.2.2 check
> tsc --noEmit

✅ All pre-commit checks passed!
[refactor eba196f] WP3: Add AgentSession event subscription with session persistence
 2 files changed, 93 insertions(+), 4 deletions(-)


Now WP4: Prompting methods. Let me add them:


/**
 * AgentSession - Core abstraction for agent lifecycle and session management.
 *
 * This class is shared between all run modes (interactive, print, rpc).
 * It encapsulates:
 * - Agent state access
 * - Event subscription with automatic session persistence
 * - Model and thinking level management
 * - Compaction (manual and auto)
 * - Bash execution
 * - Session switching and branching
 *
 * Modes use this class and add their own I/O layer on top.
 */

import type { Agent, AgentEvent, AgentState, AppMessage, ThinkingLevel } from "@mariozechner/pi-agent-core";
import type { Model } from "@mariozechner/pi-ai";
import type { SessionManager } from "../session-manager.js";
import type { SettingsManager } from "../settings-manager.js";
import type { FileSlashCommand } from "../slash-commands.js";

/** Listener function for agent events */
export type AgentEventListener = (event: AgentEvent) => void;

// ============================================================================
// Types
// ============================================================================

export interface AgentSessionConfig {
	agent: Agent;
	sessionManager: SessionManager;
	settingsManager: SettingsManager;
	/** Models to cycle through with Ctrl+P (from --models flag) */
	scopedModels?: Array<{ model: Model<any>; thinkingLevel: ThinkingLevel }>;
	/** File-based slash commands for expansion */
	fileCommands?: FileSlashCommand[];
}

// ============================================================================
// AgentSession Class
// ============================================================================

export class AgentSession {
	readonly agent: Agent;
	readonly sessionManager: SessionManager;
	readonly settingsManager: SettingsManager;

	private _scopedModels: Array<{ model: Model<any>; thinkingLevel: ThinkingLevel }>;
	private _fileCommands: FileSlashCommand[];

	// Event subscription state
	private _unsubscribeAgent?: () => void;
	private _eventListeners: AgentEventListener[] = [];

	constructor(config: AgentSessionConfig) {
		this.agent = config.agent;
		this.sessionManager = config.sessionManager;
		this.settingsManager = config.settingsManager;
		this._scopedModels = config.scopedModels ?? [];
		this._fileCommands = config.fileCommands ?? [];
	}

	// =========================================================================
	// Event Subscription
	// =========================================================================

	/**
	 * Subscribe to agent events.
	 * Session persistence is handled internally (saves messages on message_end).
	 * Multiple listeners can be added. Returns unsubscribe function for this listener.
	 */
	subscribe(listener: AgentEventListener): () => void {
		this._eventListeners.push(listener);

		// Set up agent subscription if not already done
		if (!this._unsubscribeAgent) {
			this._unsubscribeAgent = this.agent.subscribe(async (event) => {
				// Notify all listeners
				for (const l of this._eventListeners) {
					l(event);
				}

				// Handle session persistence
				if (event.type === "message_end") {
					this.sessionManager.saveMessage(event.message);

					// Initialize session after first user+assistant exchange
					if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
						this.sessionManager.startSession(this.agent.state);
					}

					// Check auto-compaction after assistant messages
					// (will be implemented in WP7)
					// if (event.message.role === "assistant") {
					//   await this.checkAutoCompaction();
					// }
				}
			});
		}

		// Return unsubscribe function for this specific listener
		return () => {
			const index = this._eventListeners.indexOf(listener);
			if (index !== -1) {
				this._eventListeners.splice(index, 1);
			}
		};
	}

	/**
	 * Unsubscribe from agent entirely and clear all listeners.
	 * Used during reset/cleanup operations.
	 */
	unsubscribeAll(): void {
		if (this._unsubscribeAgent) {
			this._unsubscribeAgent();
			this._unsubscribeAgent = undefined;
		}
		this._eventListeners = [];
	}

	/**
	 * Re-subscribe to agent after unsubscribeAll.
	 * Call this after operations that require temporary unsubscription.
	 */
	resubscribe(): void {
		if (this._unsubscribeAgent) return; // Already subscribed

		this._unsubscribeAgent = this.agent.subscribe(async (event) => {
			for (const l of this._eventListeners) {
				l(event);
			}

			if (event.type === "message_end") {
				this.sessionManager.saveMessage(event.message);

				if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
					this.sessionManager.startSession(this.agent.state);
				}
			}
		});
	}

	// =========================================================================
	// Read-only State Access
	// =========================================================================

	/** Full agent state */
	get state(): AgentState {
		return this.agent.state;
	}

	/** Current model (may be null if not yet selected) */
	get model(): Model<any> | null {
		return this.agent.state.model;
	}

	/** Current thinking level */
	get thinkingLevel(): ThinkingLevel {
		return this.agent.state.thinkingLevel;
	}

	/** Whether agent is currently streaming a response */
	get isStreaming(): boolean {
		return this.agent.state.isStreaming;
	}

	/** All messages including custom types like BashExecutionMessage */
	get messages(): AppMessage[] {
		return this.agent.state.messages;
	}

	/** Current queue mode */
	get queueMode(): "all" | "one-at-a-time" {
		return this.agent.getQueueMode();
	}

	/** Current session file path */
	get sessionFile(): string {
		return this.sessionManager.getSessionFile();
	}

	/** Current session ID */
	get sessionId(): string {
		return this.sessionManager.getSessionId();
	}

	/** Scoped models for cycling (from --models flag) */
	get scopedModels(): ReadonlyArray<{ model: Model<any>; thinkingLevel: ThinkingLevel }> {
		return this._scopedModels;
	}

	/** File-based slash commands */
	get fileCommands(): ReadonlyArray<FileSlashCommand> {
		return this._fileCommands;
	}
}


edit

import type { Agent, AgentEvent, AgentState, AppMessage, ThinkingLevel } from "@mariozechner/pi-agent-core";
import type { Model } from "@mariozechner/pi-ai";
import type { SessionManager } from "../session-manager.js";
import type { SettingsManager } from "../settings-manager.js";
import type { FileSlashCommand } from "../slash-commands.js";

import type { Agent, AgentEvent, AgentState, AppMessage, Attachment, ThinkingLevel } from "@mariozechner/pi-agent-core";
import type { Model } from "@mariozechner/pi-ai";
import { getModelsPath } from "../config.js";
import { getApiKeyForModel } from "../model-config.js";
import type { SessionManager } from "../session-manager.js";
import type { SettingsManager } from "../settings-manager.js";
import { expandSlashCommand, type FileSlashCommand } from "../slash-commands.js";


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 344 characters to 478 characters.

     ...
  12  *
  13  * Modes use this class and add their own I/O layer on top.
  14  */
  15
- 16 import type { Agent, AgentEvent, AgentState, AppMessage, ThinkingLevel } from "@mariozechner/pi-agent-core";
+ 16 import type { Agent, AgentEvent, AgentState, AppMessage, Attachment, ThinkingLevel } from "@mariozechner/pi-agent-core";
  17 import type { Model } from "@mariozechner/pi-ai";
+ 18 import { getModelsPath } from "../config.js";
+ 19 import { getApiKeyForModel } from "../model-config.js";
  18 import type { SessionManager } from "../session-manager.js";
  19 import type { SettingsManager } from "../settings-manager.js";
- 20 import type { FileSlashCommand } from "../slash-commands.js";
+ 22 import { expandSlashCommand, type FileSlashCommand } from "../slash-commands.js";
  21
  22 /** Listener function for agent events */
  23 export type AgentEventListener = (event: AgentEvent) => void;
  24
     ...


Now add the prompting methods at the end of the class:

	/** File-based slash commands */
	get fileCommands(): ReadonlyArray<FileSlashCommand> {
		return this._fileCommands;
	}
}

	/** File-based slash commands */
	get fileCommands(): ReadonlyArray<FileSlashCommand> {
		return this._fileCommands;
	}

	// =========================================================================
	// Prompting
	// =========================================================================

	/** Options for prompt() */
	interface PromptOptions {
		/** Whether to expand file-based slash commands (default: true) */
		expandSlashCommands?: boolean;
		/** Image/file attachments */
		attachments?: Attachment[];
	}

	/**
	 * Send a prompt to the agent.
	 * - Validates model and API key before sending
	 * - Expands file-based slash commands by default
	 * @throws Error if no model selected or no API key available
	 */
	async prompt(text: string, options?: PromptOptions): Promise<void> {
		const expandCommands = options?.expandSlashCommands ?? true;

		// Validate model
		if (!this.model) {
			throw new Error(
				"No model selected.\n\n" +
					"Set an API key (ANTHROPIC_API_KEY, OPENAI_API_KEY, etc.)\n" +
					`or create ${getModelsPath()}\n\n` +
					"Then use /model to select a model.",
			);
		}

		// Validate API key
		const apiKey = await getApiKeyForModel(this.model);
		if (!apiKey) {
			throw new Error(
				`No API key found for ${this.model.provider}.\n\n` +
					`Set the appropriate environment variable or update ${getModelsPath()}`,
			);
		}

		// Expand slash commands if requested
		const expandedText = expandCommands ? expandSlashCommand(text, [...this._fileCommands]) : text;

		await this.agent.prompt(expandedText, options?.attachments);
	}

	/** Queued messages waiting to be sent */
	private _queuedMessages: string[] = [];

	/**
	 * Queue a message to be sent after the current response completes.
	 * Use when agent is currently streaming.
	 */
	async queueMessage(text: string): Promise<void> {
		this._queuedMessages.push(text);
		await this.agent.queueMessage({
			role: "user",
			content: [{ type: "text", text }],
			timestamp: Date.now(),
		});
	}

	/**
	 * Clear queued messages and return them.
	 * Useful for restoring to editor when user aborts.
	 */
	clearQueue(): string[] {
		const queued = [...this._queuedMessages];
		this._queuedMessages = [];
		this.agent.clearMessageQueue();
		return queued;
	}

	/** Number of messages currently queued */
	get queuedMessageCount(): number {
		return this._queuedMessages.length;
	}

	/** Get queued messages (read-only) */
	getQueuedMessages(): readonly string[] {
		return this._queuedMessages;
	}

	/**
	 * Abort current operation and wait for agent to become idle.
	 */
	async abort(): Promise<void> {
		this.agent.abort();
		await this.agent.waitForIdle();
	}

	/**
	 * Reset agent and session to start fresh.
	 * Clears all messages and starts a new session.
	 */
	async reset(): Promise<void> {
		this.unsubscribeAll();
		await this.abort();
		this.agent.reset();
		this.sessionManager.reset();
		this._queuedMessages = [];
		// Note: caller should re-subscribe after reset if needed
	}
}


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 122 characters to 2988 characters.

     ...
 195 	/** File-based slash commands */
 196 	get fileCommands(): ReadonlyArray<FileSlashCommand> {
 197 		return this._fileCommands;
 198 	}
+199
+200 	// =========================================================================
+201 	// Prompting
+202 	// =========================================================================
+203
+204 	/** Options for prompt() */
+205 	interface PromptOptions {
+206 		/** Whether to expand file-based slash commands (default: true) */
+207 		expandSlashCommands?: boolean;
+208 		/** Image/file attachments */
+209 		attachments?: Attachment[];
+210 	}
+211
+212 	/**
+213 	 * Send a prompt to the agent.
+214 	 * - Validates model and API key before sending
+215 	 * - Expands file-based slash commands by default
+216 	 * @throws Error if no model selected or no API key available
+217 	 */
+218 	async prompt(text: string, options?: PromptOptions): Promise<void> {
+219 		const expandCommands = options?.expandSlashCommands ?? true;
+220
+221 		// Validate model
+222 		if (!this.model) {
+223 			throw new Error(
+224 				"No model selected.\n\n" +
+225 					"Set an API key (ANTHROPIC_API_KEY, OPENAI_API_KEY, etc.)\n" +
+226 					`or create ${getModelsPath()}\n\n` +
+227 					"Then use /model to select a model.",
+228 			);
+229 		}
+230
+231 		// Validate API key
+232 		const apiKey = await getApiKeyForModel(this.model);
+233 		if (!apiKey) {
+234 			throw new Error(
+235 				`No API key found for ${this.model.provider}.\n\n` +
+236 					`Set the appropriate environment variable or update ${getModelsPath()}`,
+237 			);
+238 		}
+239
+240 		// Expand slash commands if requested
+241 		const expandedText = expandCommands ? expandSlashCommand(text, [...this._fileCommands]) : text;
+242
+243 		await this.agent.prompt(expandedText, options?.attachments);
+244 	}
+245
+246 	/** Queued messages waiting to be sent */
+247 	private _queuedMessages: string[] = [];
+248
+249 	/**
+250 	 * Queue a message to be sent after the current response completes.
+251 	 * Use when agent is currently streaming.
+252 	 */
+253 	async queueMessage(text: string): Promise<void> {
+254 		this._queuedMessages.push(text);
+255 		await this.agent.queueMessage({
+256 			role: "user",
+257 			content: [{ type: "text", text }],
+258 			timestamp: Date.now(),
+259 		});
+260 	}
+261
+262 	/**
+263 	 * Clear queued messages and return them.
+264 	 * Useful for restoring to editor when user aborts.
+265 	 */
+266 	clearQueue(): string[] {
+267 		const queued = [...this._queuedMessages];
+268 		this._queuedMessages = [];
+269 		this.agent.clearMessageQueue();
+270 		return queued;
+271 	}
+272
+273 	/** Number of messages currently queued */
+274 	get queuedMessageCount(): number {
+275 		return this._queuedMessages.length;
+276 	}
+277
+278 	/** Get queued messages (read-only) */
+279 	getQueuedMessages(): readonly string[] {
+280 		return this._queuedMessages;
+281 	}
+282
+283 	/**
+284 	 * Abort current operation and wait for agent to become idle.
+285 	 */
+286 	async abort(): Promise<void> {
+287 		this.agent.abort();
+288 		await this.agent.waitForIdle();
+289 	}
+290
+291 	/**
+292 	 * Reset agent and session to start fresh.
+293 	 * Clears all messages and starts a new session.
+294 	 */
+295 	async reset(): Promise<void> {
+296 		this.unsubscribeAll();
+297 		await this.abort();
+298 		this.agent.reset();
+299 		this.sessionManager.reset();
+300 		this._queuedMessages = [];
+301 		// Note: caller should re-subscribe after reset if needed
+302 	}
 199 }


> pi-monorepo@0.0.3 check
> biome check --write . && npm run check --workspaces --if-present && tsgo --noEmit

packages/coding-agent/src/core/agent-session.ts:205:2 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × expected a semicolon to end the class property, but found none

    204 │ 	/** Options for prompt() */
  > 205 │ 	interface PromptOptions {
        │ 	^^^^^^^^^
    206 │ 		/** Whether to expand file-based slash commands (default: true) */
    207 │ 		expandSlashCommands?: boolean;

packages/coding-agent/src/core/agent-session.ts:205:12 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × expected a semicolon to end the class property, but found none

    204 │ 	/** Options for prompt() */
  > 205 │ 	interface PromptOptions {
        │ 	          ^^^^^^^^^^^^^
    206 │ 		/** Whether to expand file-based slash commands (default: true) */
    207 │ 		expandSlashCommands?: boolean;

packages/coding-agent/src/core/agent-session.ts:205:26 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected an identifier, a string literal, a number literal, a private field name, or a computed name but instead found '{'.

    204 │ 	/** Options for prompt() */
  > 205 │ 	interface PromptOptions {
        │ 	                        ^
    206 │ 		/** Whether to expand file-based slash commands (default: true) */
    207 │ 		expandSlashCommands?: boolean;

  i Expected an identifier, a string literal, a number literal, a private field name, or a computed name here.

    204 │ 	/** Options for prompt() */
  > 205 │ 	interface PromptOptions {
        │ 	                        ^
    206 │ 		/** Whether to expand file-based slash commands (default: true) */
    207 │ 		expandSlashCommands?: boolean;

packages/coding-agent/src/core/agent-session.ts:218:8 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected a semicolon or an implicit semicolon after a statement, but found none

    216 │ 	 * @throws Error if no model selected or no API key available
    217 │ 	 */
  > 218 │ 	async prompt(text: string, options?: PromptOptions): Promise<void> {
        │ 	      ^^^^^^
    219 │ 		const expandCommands = options?.expandSlashCommands ?? true;
    220 │

  i An explicit or implicit semicolon is expected here...

    216 │ 	 * @throws Error if no model selected or no API key available
    217 │ 	 */
  > 218 │ 	async prompt(text: string, options?: PromptOptions): Promise<void> {
        │ 	      ^^^^^^
    219 │ 		const expandCommands = options?.expandSlashCommands ?? true;
    220 │

  i ...Which is required to end this statement

    216 │ 	 * @throws Error if no model selected or no API key available
    217 │ 	 */
  > 218 │ 	async prompt(text: string, options?: PromptOptions): Promise<void> {
        │ 	^^^^^^^^^^^^
    219 │ 		const expandCommands = options?.expandSlashCommands ?? true;
    220 │

packages/coding-agent/src/core/agent-session.ts:218:19 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × expected `,` but instead found `:`

    216 │ 	 * @throws Error if no model selected or no API key available
    217 │ 	 */
  > 218 │ 	async prompt(text: string, options?: PromptOptions): Promise<void> {
        │ 	                 ^
    219 │ 		const expandCommands = options?.expandSlashCommands ?? true;
    220 │

  i Remove :

packages/coding-agent/src/core/agent-session.ts:218:53 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected a semicolon or an implicit semicolon after a statement, but found none

    216 │ 	 * @throws Error if no model selected or no API key available
    217 │ 	 */
  > 218 │ 	async prompt(text: string, options?: PromptOptions): Promise<void> {
        │ 	                                                   ^
    219 │ 		const expandCommands = options?.expandSlashCommands ?? true;
    220 │

  i An explicit or implicit semicolon is expected here...

    216 │ 	 * @throws Error if no model selected or no API key available
    217 │ 	 */
  > 218 │ 	async prompt(text: string, options?: PromptOptions): Promise<void> {
        │ 	                                                   ^
    219 │ 		const expandCommands = options?.expandSlashCommands ?? true;
    220 │

  i ...Which is required to end this statement

    216 │ 	 * @throws Error if no model selected or no API key available
    217 │ 	 */
  > 218 │ 	async prompt(text: string, options?: PromptOptions): Promise<void> {
        │ 	      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    219 │ 		const expandCommands = options?.expandSlashCommands ?? true;
    220 │

packages/coding-agent/src/core/agent-session.ts:247:2 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Illegal use of reserved keyword `private` as an identifier in strict mode

    246 │ 	/** Queued messages waiting to be sent */
  > 247 │ 	private _queuedMessages: string[] = [];
        │ 	^^^^^^^
    248 │
    249 │ 	/**

packages/coding-agent/src/core/agent-session.ts:247:10 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected a semicolon or an implicit semicolon after a statement, but found none

    246 │ 	/** Queued messages waiting to be sent */
  > 247 │ 	private _queuedMessages: string[] = [];
        │ 	        ^^^^^^^^^^^^^^^
    248 │
    249 │ 	/**

  i An explicit or implicit semicolon is expected here...

    246 │ 	/** Queued messages waiting to be sent */
  > 247 │ 	private _queuedMessages: string[] = [];
        │ 	        ^^^^^^^^^^^^^^^
    248 │
    249 │ 	/**

  i ...Which is required to end this statement

    246 │ 	/** Queued messages waiting to be sent */
  > 247 │ 	private _queuedMessages: string[] = [];
        │ 	^^^^^^^^^^^^^^^^^^^^^^^
    248 │
    249 │ 	/**

packages/coding-agent/src/core/agent-session.ts:247:34 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected an expression but instead found ']'.

    246 │ 	/** Queued messages waiting to be sent */
  > 247 │ 	private _queuedMessages: string[] = [];
        │ 	                                ^
    248 │
    249 │ 	/**

  i Expected an expression here.

    246 │ 	/** Queued messages waiting to be sent */
  > 247 │ 	private _queuedMessages: string[] = [];
        │ 	                                ^
    248 │
    249 │ 	/**

packages/coding-agent/src/core/agent-session.ts:253:8 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected a semicolon or an implicit semicolon after a statement, but found none

    251 │ 	 * Use when agent is currently streaming.
    252 │ 	 */
  > 253 │ 	async queueMessage(text: string): Promise<void> {
        │ 	      ^^^^^^^^^^^^
    254 │ 		this._queuedMessages.push(text);
    255 │ 		await this.agent.queueMessage({

  i An explicit or implicit semicolon is expected here...

    251 │ 	 * Use when agent is currently streaming.
    252 │ 	 */
  > 253 │ 	async queueMessage(text: string): Promise<void> {
        │ 	      ^^^^^^^^^^^^
    254 │ 		this._queuedMessages.push(text);
    255 │ 		await this.agent.queueMessage({

  i ...Which is required to end this statement

    251 │ 	 * Use when agent is currently streaming.
    252 │ 	 */
  > 253 │ 	async queueMessage(text: string): Promise<void> {
        │ 	^^^^^^^^^^^^^^^^^^
    254 │ 		this._queuedMessages.push(text);
    255 │ 		await this.agent.queueMessage({

packages/coding-agent/src/core/agent-session.ts:253:25 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × expected `,` but instead found `:`

    251 │ 	 * Use when agent is currently streaming.
    252 │ 	 */
  > 253 │ 	async queueMessage(text: string): Promise<void> {
        │ 	                       ^
    254 │ 		this._queuedMessages.push(text);
    255 │ 		await this.agent.queueMessage({

  i Remove :

packages/coding-agent/src/core/agent-session.ts:253:34 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected a semicolon or an implicit semicolon after a statement, but found none

    251 │ 	 * Use when agent is currently streaming.
    252 │ 	 */
  > 253 │ 	async queueMessage(text: string): Promise<void> {
        │ 	                                ^
    254 │ 		this._queuedMessages.push(text);
    255 │ 		await this.agent.queueMessage({

  i An explicit or implicit semicolon is expected here...

    251 │ 	 * Use when agent is currently streaming.
    252 │ 	 */
  > 253 │ 	async queueMessage(text: string): Promise<void> {
        │ 	                                ^
    254 │ 		this._queuedMessages.push(text);
    255 │ 		await this.agent.queueMessage({

  i ...Which is required to end this statement

    251 │ 	 * Use when agent is currently streaming.
    252 │ 	 */
  > 253 │ 	async queueMessage(text: string): Promise<void> {
        │ 	      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    254 │ 		this._queuedMessages.push(text);
    255 │ 		await this.agent.queueMessage({

packages/coding-agent/src/core/agent-session.ts:266:14 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected a semicolon or an implicit semicolon after a statement, but found none

    264 │ 	 * Useful for restoring to editor when user aborts.
    265 │ 	 */
  > 266 │ 	clearQueue(): string[] {
        │ 	            ^
    267 │ 		const queued = [...this._queuedMessages];
    268 │ 		this._queuedMessages = [];

  i An explicit or implicit semicolon is expected here...

    264 │ 	 * Useful for restoring to editor when user aborts.
    265 │ 	 */
  > 266 │ 	clearQueue(): string[] {
        │ 	            ^
    267 │ 		const queued = [...this._queuedMessages];
    268 │ 		this._queuedMessages = [];

  i ...Which is required to end this statement

    264 │ 	 * Useful for restoring to editor when user aborts.
    265 │ 	 */
  > 266 │ 	clearQueue(): string[] {
        │ 	^^^^^^^^^^^^^
    267 │ 		const queued = [...this._queuedMessages];
    268 │ 		this._queuedMessages = [];

packages/coding-agent/src/core/agent-session.ts:270:3 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Illegal return statement outside of a function

    268 │ 		this._queuedMessages = [];
    269 │ 		this.agent.clearMessageQueue();
  > 270 │ 		return queued;
        │ 		^^^^^^^^^^^^^^
    271 │ 	}
    272 │

packages/coding-agent/src/core/agent-session.ts:274:6 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected a semicolon or an implicit semicolon after a statement, but found none

    273 │ 	/** Number of messages currently queued */
  > 274 │ 	get queuedMessageCount(): number {
        │ 	    ^^^^^^^^^^^^^^^^^^
    275 │ 		return this._queuedMessages.length;
    276 │ 	}

  i An explicit or implicit semicolon is expected here...

    273 │ 	/** Number of messages currently queued */
  > 274 │ 	get queuedMessageCount(): number {
        │ 	    ^^^^^^^^^^^^^^^^^^
    275 │ 		return this._queuedMessages.length;
    276 │ 	}

  i ...Which is required to end this statement

    273 │ 	/** Number of messages currently queued */
  > 274 │ 	get queuedMessageCount(): number {
        │ 	^^^^^^^^^^^^^^^^^^^^^^
    275 │ 		return this._queuedMessages.length;
    276 │ 	}

packages/coding-agent/src/core/agent-session.ts:274:26 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected a semicolon or an implicit semicolon after a statement, but found none

    273 │ 	/** Number of messages currently queued */
  > 274 │ 	get queuedMessageCount(): number {
        │ 	                        ^
    275 │ 		return this._queuedMessages.length;
    276 │ 	}

  i An explicit or implicit semicolon is expected here...

    273 │ 	/** Number of messages currently queued */
  > 274 │ 	get queuedMessageCount(): number {
        │ 	                        ^
    275 │ 		return this._queuedMessages.length;
    276 │ 	}

  i ...Which is required to end this statement

    273 │ 	/** Number of messages currently queued */
  > 274 │ 	get queuedMessageCount(): number {
        │ 	    ^^^^^^^^^^^^^^^^^^^^^
    275 │ 		return this._queuedMessages.length;
    276 │ 	}

packages/coding-agent/src/core/agent-session.ts:275:3 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Illegal return statement outside of a function

    273 │ 	/** Number of messages currently queued */
    274 │ 	get queuedMessageCount(): number {
  > 275 │ 		return this._queuedMessages.length;
        │ 		^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    276 │ 	}
    277 │

packages/coding-agent/src/core/agent-session.ts:279:21 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected a semicolon or an implicit semicolon after a statement, but found none

    278 │ 	/** Get queued messages (read-only) */
  > 279 │ 	getQueuedMessages(): readonly string[] {
        │ 	                   ^
    280 │ 		return this._queuedMessages;
    281 │ 	}

  i An explicit or implicit semicolon is expected here...

    278 │ 	/** Get queued messages (read-only) */
  > 279 │ 	getQueuedMessages(): readonly string[] {
        │ 	                   ^
    280 │ 		return this._queuedMessages;
    281 │ 	}

  i ...Which is required to end this statement

    278 │ 	/** Get queued messages (read-only) */
  > 279 │ 	getQueuedMessages(): readonly string[] {
        │ 	^^^^^^^^^^^^^^^^^^^^
    280 │ 		return this._queuedMessages;
    281 │ 	}

packages/coding-agent/src/core/agent-session.ts:280:3 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Illegal return statement outside of a function

    278 │ 	/** Get queued messages (read-only) */
    279 │ 	getQueuedMessages(): readonly string[] {
  > 280 │ 		return this._queuedMessages;
        │ 		^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    281 │ 	}
    282 │

packages/coding-agent/src/core/agent-session.ts:286:8 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected a semicolon or an implicit semicolon after a statement, but found none

    284 │ 	 * Abort current operation and wait for agent to become idle.
    285 │ 	 */
  > 286 │ 	async abort(): Promise<void> {
        │ 	      ^^^^^
    287 │ 		this.agent.abort();
    288 │ 		await this.agent.waitForIdle();

  i An explicit or implicit semicolon is expected here...

    284 │ 	 * Abort current operation and wait for agent to become idle.
    285 │ 	 */
  > 286 │ 	async abort(): Promise<void> {
        │ 	      ^^^^^
    287 │ 		this.agent.abort();
    288 │ 		await this.agent.waitForIdle();

  i ...Which is required to end this statement

    284 │ 	 * Abort current operation and wait for agent to become idle.
    285 │ 	 */
  > 286 │ 	async abort(): Promise<void> {
        │ 	^^^^^^^^^^^
    287 │ 		this.agent.abort();
    288 │ 		await this.agent.waitForIdle();

The number of diagnostics exceeds the limit allowed. Use --max-diagnostics to increase it.
Diagnostics not shown: 35.
Checked 232 files in 117ms. No fixes applied.
Found 49 errors.
Found 1 warning.
Found 5 infos.
check ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Some errors were emitted while applying fixes.

Command exited with code 1


I accidentally put the interface inside the class. Let me fix that:


/**
 * AgentSession - Core abstraction for agent lifecycle and session management.
 *
 * This class is shared between all run modes (interactive, print, rpc).
 * It encapsulates:
 * - Agent state access
 * - Event subscription with automatic session persistence
 * - Model and thinking level management
 * - Compaction (manual and auto)
 * - Bash execution
 * - Session switching and branching
 *
 * Modes use this class and add their own I/O layer on top.
 */

import type { Agent, AgentEvent, AgentState, AppMessage, Attachment, ThinkingLevel } from "@mariozechner/pi-agent-core";
import type { Model } from "@mariozechner/pi-ai";
import { getModelsPath } from "../config.js";
import { getApiKeyForModel } from "../model-config.js";
import type { SessionManager } from "../session-manager.js";
import type { SettingsManager } from "../settings-manager.js";
import { expandSlashCommand, type FileSlashCommand } from "../slash-commands.js";

/** Listener function for agent events */
export type AgentEventListener = (event: AgentEvent) => void;

// ============================================================================
// Types
// ============================================================================

export interface AgentSessionConfig {
	agent: Agent;
	sessionManager: SessionManager;
	settingsManager: SettingsManager;
	/** Models to cycle through with Ctrl+P (from --models flag) */
	scopedModels?: Array<{ model: Model<any>; thinkingLevel: ThinkingLevel }>;
	/** File-based slash commands for expansion */
	fileCommands?: FileSlashCommand[];
}

// ============================================================================
// AgentSession Class
// ============================================================================

export class AgentSession {
	readonly agent: Agent;
	readonly sessionManager: SessionManager;
	readonly settingsManager: SettingsManager;

	private _scopedModels: Array<{ model: Model<any>; thinkingLevel: ThinkingLevel }>;
	private _fileCommands: FileSlashCommand[];

	// Event subscription state
	private _unsubscribeAgent?: () => void;
	private _eventListeners: AgentEventListener[] = [];

	constructor(config: AgentSessionConfig) {
		this.agent = config.agent;
		this.sessionManager = config.sessionManager;
		this.settingsManager = config.settingsManager;
		this._scopedModels = config.scopedModels ?? [];
		this._fileCommands = config.fileCommands ?? [];
	}

	// =========================================================================
	// Event Subscription
	// =========================================================================

	/**
	 * Subscribe to agent events.
	 * Session persistence is handled internally (saves messages on message_end).
	 * Multiple listeners can be added. Returns unsubscribe function for this listener.
	 */
	subscribe(listener: AgentEventListener): () => void {
		this._eventListeners.push(listener);

		// Set up agent subscription if not already done
		if (!this._unsubscribeAgent) {
			this._unsubscribeAgent = this.agent.subscribe(async (event) => {
				// Notify all listeners
				for (const l of this._eventListeners) {
					l(event);
				}

				// Handle session persistence
				if (event.type === "message_end") {
					this.sessionManager.saveMessage(event.message);

					// Initialize session after first user+assistant exchange
					if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
						this.sessionManager.startSession(this.agent.state);
					}

					// Check auto-compaction after assistant messages
					// (will be implemented in WP7)
					// if (event.message.role === "assistant") {
					//   await this.checkAutoCompaction();
					// }
				}
			});
		}

		// Return unsubscribe function for this specific listener
		return () => {
			const index = this._eventListeners.indexOf(listener);
			if (index !== -1) {
				this._eventListeners.splice(index, 1);
			}
		};
	}

	/**
	 * Unsubscribe from agent entirely and clear all listeners.
	 * Used during reset/cleanup operations.
	 */
	unsubscribeAll(): void {
		if (this._unsubscribeAgent) {
			this._unsubscribeAgent();
			this._unsubscribeAgent = undefined;
		}
		this._eventListeners = [];
	}

	/**
	 * Re-subscribe to agent after unsubscribeAll.
	 * Call this after operations that require temporary unsubscription.
	 */
	resubscribe(): void {
		if (this._unsubscribeAgent) return; // Already subscribed

		this._unsubscribeAgent = this.agent.subscribe(async (event) => {
			for (const l of this._eventListeners) {
				l(event);
			}

			if (event.type === "message_end") {
				this.sessionManager.saveMessage(event.message);

				if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
					this.sessionManager.startSession(this.agent.state);
				}
			}
		});
	}

	// =========================================================================
	// Read-only State Access
	// =========================================================================

	/** Full agent state */
	get state(): AgentState {
		return this.agent.state;
	}

	/** Current model (may be null if not yet selected) */
	get model(): Model<any> | null {
		return this.agent.state.model;
	}

	/** Current thinking level */
	get thinkingLevel(): ThinkingLevel {
		return this.agent.state.thinkingLevel;
	}

	/** Whether agent is currently streaming a response */
	get isStreaming(): boolean {
		return this.agent.state.isStreaming;
	}

	/** All messages including custom types like BashExecutionMessage */
	get messages(): AppMessage[] {
		return this.agent.state.messages;
	}

	/** Current queue mode */
	get queueMode(): "all" | "one-at-a-time" {
		return this.agent.getQueueMode();
	}

	/** Current session file path */
	get sessionFile(): string {
		return this.sessionManager.getSessionFile();
	}

	/** Current session ID */
	get sessionId(): string {
		return this.sessionManager.getSessionId();
	}

	/** Scoped models for cycling (from --models flag) */
	get scopedModels(): ReadonlyArray<{ model: Model<any>; thinkingLevel: ThinkingLevel }> {
		return this._scopedModels;
	}

	/** File-based slash commands */
	get fileCommands(): ReadonlyArray<FileSlashCommand> {
		return this._fileCommands;
	}

	// =========================================================================
	// Prompting
	// =========================================================================

	/** Options for prompt() */
	interface PromptOptions {
		/** Whether to expand file-based slash commands (default: true) */
		expandSlashCommands?: boolean;
		/** Image/file attachments */
		attachments?: Attachment[];
	}

	/**
	 * Send a prompt to the agent.
	 * - Validates model and API key before sending
	 * - Expands file-based slash commands by default
	 * @throws Error if no model selected or no API key available
	 */
	async prompt(text: string, options?: PromptOptions): Promise<void> {
		const expandCommands = options?.expandSlashCommands ?? true;

		// Validate model
		if (!this.model) {
			throw new Error(
				"No model selected.\n\n" +
					"Set an API key (ANTHROPIC_API_KEY, OPENAI_API_KEY, etc.)\n" +
					`or create ${getModelsPath()}\n\n` +
					"Then use /model to select a model.",
			);
		}

		// Validate API key
		const apiKey = await getApiKeyForModel(this.model);
		if (!apiKey) {
			throw new Error(
				`No API key found for ${this.model.provider}.\n\n` +
					`Set the appropriate environment variable or update ${getModelsPath()}`,
			);
		}

		// Expand slash commands if requested
		const expandedText = expandCommands ? expandSlashCommand(text, [...this._fileCommands]) : text;

		await this.agent.prompt(expandedText, options?.attachments);
	}

	/** Queued messages waiting to be sent */
	private _queuedMessages: string[] = [];

	/**
	 * Queue a message to be sent after the current response completes.
	 * Use when agent is currently streaming.
	 */
	async queueMessage(text: string): Promise<void> {
		this._queuedMessages.push(text);
		await this.agent.queueMessage({
			role: "user",
			content: [{ type: "text", text }],
			timestamp: Date.now(),
		});
	}

	/**
	 * Clear queued messages and return them.
	 * Useful for restoring to editor when user aborts.
	 */
	clearQueue(): string[] {
		const queued = [...this._queuedMessages];
		this._queuedMessages = [];
		this.agent.clearMessageQueue();
		return queued;
	}

	/** Number of messages currently queued */
	get queuedMessageCount(): number {
		return this._queuedMessages.length;
	}

	/** Get queued messages (read-only) */
	getQueuedMessages(): readonly string[] {
		return this._queuedMessages;
	}

	/**
	 * Abort current operation and wait for agent to become idle.
	 */
	async abort(): Promise<void> {
		this.agent.abort();
		await this.agent.waitForIdle();
	}

	/**
	 * Reset agent and session to start fresh.
	 * Clears all messages and starts a new session.
	 */
	async reset(): Promise<void> {
		this.unsubscribeAll();
		await this.abort();
		this.agent.reset();
		this.sessionManager.reset();
		this._queuedMessages = [];
		// Note: caller should re-subscribe after reset if needed
	}
}


I need to move the interface outside the class:

export interface AgentSessionConfig {
	agent: Agent;
	sessionManager: SessionManager;
	settingsManager: SettingsManager;
	/** Models to cycle through with Ctrl+P (from --models flag) */
	scopedModels?: Array<{ model: Model<any>; thinkingLevel: ThinkingLevel }>;
	/** File-based slash commands for expansion */
	fileCommands?: FileSlashCommand[];
}

/** Options for AgentSession.prompt() */
export interface PromptOptions {
	/** Whether to expand file-based slash commands (default: true) */
	expandSlashCommands?: boolean;
	/** Image/file attachments */
	attachments?: Attachment[];
}


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 347 characters to 584 characters.

     ...
  37 	/** File-based slash commands for expansion */
  38 	fileCommands?: FileSlashCommand[];
  39 }
  40
+ 41 /** Options for AgentSession.prompt() */
+ 42 export interface PromptOptions {
+ 43 	/** Whether to expand file-based slash commands (default: true) */
+ 44 	expandSlashCommands?: boolean;
+ 45 	/** Image/file attachments */
+ 46 	attachments?: Attachment[];
+ 47 }
+ 48
  41 // ============================================================================
  42 // AgentSession Class
  43 // ============================================================================
  44
     ...


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 431 characters to 207 characters.

     ...
 208 	// =========================================================================
 209 	// Prompting
 210 	// =========================================================================
 211
-212 	/** Options for prompt() */
-213 	interface PromptOptions {
-214 		/** Whether to expand file-based slash commands (default: true) */
-215 		expandSlashCommands?: boolean;
-216 		/** Image/file attachments */
-217 		attachments?: Attachment[];
-218 	}
-219
 220 	/**
 221 	 * Send a prompt to the agent.
 222 	 * - Validates model and API key before sending
 223 	 * - Expands file-based slash commands by default
     ...


Also need to move the `_queuedMessages` field to the top with other private fields:

	// Event subscription state
	private _unsubscribeAgent?: () => void;
	private _eventListeners: AgentEventListener[] = [];

	// Message queue state
	private _queuedMessages: string[] = [];


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 122 characters to 188 characters.

     ...
  61 	// Event subscription state
  62 	private _unsubscribeAgent?: () => void;
  63 	private _eventListeners: AgentEventListener[] = [];
  64
+ 65 	// Message queue state
+ 66 	private _queuedMessages: string[] = [];
+ 67
  65 	constructor(config: AgentSessionConfig) {
  66 		this.agent = config.agent;
  67 		this.sessionManager = config.sessionManager;
  68 		this.settingsManager = config.settingsManager;
     ...


		await this.agent.prompt(expandedText, options?.attachments);
	}

	/** Queued messages waiting to be sent */
	private _queuedMessages: string[] = [];

	/**
	 * Queue a message to be sent after the current response completes.

		await this.agent.prompt(expandedText, options?.attachments);
	}

	/**
	 * Queue a message to be sent after the current response completes.


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 225 characters to 140 characters.

     ...
 245
 246 		await this.agent.prompt(expandedText, options?.attachments);
 247 	}
 248
-249 	/** Queued messages waiting to be sent */
-250 	private _queuedMessages: string[] = [];
-251
 252 	/**
 253 	 * Queue a message to be sent after the current response completes.
 254 	 * Use when agent is currently streaming.
 255 	 */
     ...


> pi-monorepo@0.0.3 check
> biome check --write . && npm run check --workspaces --if-present && tsgo --noEmit

Checked 232 files in 121ms. No fixes applied.

> @mariozechner/pi-agent-core@0.14.2 check
> tsgo --noEmit

> @mariozechner/pi-ai@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 36 files in 48ms. No fixes applied.

> @mariozechner/pi-coding-agent@0.14.2 check
> tsgo --noEmit

> @mariozechner/pi-mom@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 12 files in 16ms. No fixes applied.

> @mariozechner/pi@0.14.2 check
> biome check --write .

Checked 10 files in 18ms. No fixes applied.

> @mariozechner/pi-proxy@0.14.2 check
> biome check --write .

Checked 3 files in 4ms. No fixes applied.

> @mariozechner/pi-tui@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 22 files in 23ms. No fixes applied.

> @mariozechner/pi-web-ui@0.14.2 check
> tsc --noEmit && cd example && tsc --noEmit

> pi-web-ui-example@1.2.2 check
> tsc --noEmit


- [ ] Add `prompt()` method with validation and slash command expansion
- [ ] Add `queueMessage()` method
- [ ] Add `clearQueue()` method
- [ ] Add `abort()` method
- [ ] Add `reset()` method
- [ ] Verify with `npm run check`

- [x] Add `prompt()` method with validation and slash command expansion
- [x] Add `queueMessage()` method
- [x] Add `clearQueue()` method
- [x] Add `abort()` method
- [x] Add `reset()` method
- [x] Add `queuedMessageCount` getter and `getQueuedMessages()` method
- [x] Verify with `npm run check`


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 227 characters to 298 characters.

      ...
  447
  448 **Verification:**
  449 1. `npm run check` passes
  450
- 451 - [ ] Add `prompt()` method with validation and slash command expansion
- 452 - [ ] Add `queueMessage()` method
- 453 - [ ] Add `clearQueue()` method
- 454 - [ ] Add `abort()` method
- 455 - [ ] Add `reset()` method
- 456 - [ ] Verify with `npm run check`
+ 451 - [x] Add `prompt()` method with validation and slash command expansion
+ 452 - [x] Add `queueMessage()` method
+ 453 - [x] Add `clearQueue()` method
+ 454 - [x] Add `abort()` method
+ 455 - [x] Add `reset()` method
+ 456 - [x] Add `queuedMessageCount` getter and `getQueuedMessages()` method
+ 457 - [x] Verify with `npm run check`
  457
  458 ---
  459
  460 ### WP5: AgentSession - Model Management
      ...


bash

cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP4: Add AgentSession prompting methods (prompt, queue, abort, reset)"


Running formatting, linting, and type checking...

> pi-monorepo@0.0.3 check
> biome check --write . && npm run check --workspaces --if-present && tsgo --noEmit

Checked 232 files in 119ms. No fixes applied.

> @mariozechner/pi-agent-core@0.14.2 check
> tsgo --noEmit

> @mariozechner/pi-ai@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 36 files in 38ms. No fixes applied.

> @mariozechner/pi-coding-agent@0.14.2 check
> tsgo --noEmit

> @mariozechner/pi-mom@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 12 files in 14ms. No fixes applied.

> @mariozechner/pi@0.14.2 check
> biome check --write .

Checked 10 files in 17ms. No fixes applied.

> @mariozechner/pi-proxy@0.14.2 check
> biome check --write .

Checked 3 files in 3ms. No fixes applied.

> @mariozechner/pi-tui@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 22 files in 23ms. No fixes applied.

> @mariozechner/pi-web-ui@0.14.2 check
> tsc --noEmit && cd example && tsc --noEmit

> pi-web-ui-example@1.2.2 check
> tsc --noEmit

✅ All pre-commit checks passed!
[refactor d08e1e5] WP4: Add AgentSession prompting methods (prompt, queue, abort, reset)
 2 files changed, 115 insertions(+), 8 deletions(-)


Now WP5: Model management. Let me add those methods:


/**
 * AgentSession - Core abstraction for agent lifecycle and session management.
 *
 * This class is shared between all run modes (interactive, print, rpc).
 * It encapsulates:
 * - Agent state access
 * - Event subscription with automatic session persistence
 * - Model and thinking level management
 * - Compaction (manual and auto)
 * - Bash execution
 * - Session switching and branching
 *
 * Modes use this class and add their own I/O layer on top.
 */

import type { Agent, AgentEvent, AgentState, AppMessage, Attachment, ThinkingLevel } from "@mariozechner/pi-agent-core";
import type { Model } from "@mariozechner/pi-ai";
import { getModelsPath } from "../config.js";
import { getApiKeyForModel } from "../model-config.js";
import type { SessionManager } from "../session-manager.js";
import type { SettingsManager } from "../settings-manager.js";
import { expandSlashCommand, type FileSlashCommand } from "../slash-commands.js";

/** Listener function for agent events */
export type AgentEventListener = (event: AgentEvent) => void;

// ============================================================================
// Types
// ============================================================================

export interface AgentSessionConfig {
	agent: Agent;
	sessionManager: SessionManager;
	settingsManager: SettingsManager;
	/** Models to cycle through with Ctrl+P (from --models flag) */
	scopedModels?: Array<{ model: Model<any>; thinkingLevel: ThinkingLevel }>;
	/** File-based slash commands for expansion */
	fileCommands?: FileSlashCommand[];
}

/** Options for AgentSession.prompt() */
export interface PromptOptions {
	/** Whether to expand file-based slash commands (default: true) */
	expandSlashCommands?: boolean;
	/** Image/file attachments */
	attachments?: Attachment[];
}

// ============================================================================
// AgentSession Class
// ============================================================================

export class AgentSession {
	readonly agent: Agent;
	readonly sessionManager: SessionManager;
	readonly settingsManager: SettingsManager;

	private _scopedModels: Array<{ model: Model<any>; thinkingLevel: ThinkingLevel }>;
	private _fileCommands: FileSlashCommand[];

	// Event subscription state
	private _unsubscribeAgent?: () => void;
	private _eventListeners: AgentEventListener[] = [];

	// Message queue state
	private _queuedMessages: string[] = [];

	constructor(config: AgentSessionConfig) {
		this.agent = config.agent;
		this.sessionManager = config.sessionManager;
		this.settingsManager = config.settingsManager;
		this._scopedModels = config.scopedModels ?? [];
		this._fileCommands = config.fileCommands ?? [];
	}

	// =========================================================================
	// Event Subscription
	// =========================================================================

	/**
	 * Subscribe to agent events.
	 * Session persistence is handled internally (saves messages on message_end).
	 * Multiple listeners can be added. Returns unsubscribe function for this listener.
	 */
	subscribe(listener: AgentEventListener): () => void {
		this._eventListeners.push(listener);

		// Set up agent subscription if not already done
		if (!this._unsubscribeAgent) {
			this._unsubscribeAgent = this.agent.subscribe(async (event) => {
				// Notify all listeners
				for (const l of this._eventListeners) {
					l(event);
				}

				// Handle session persistence
				if (event.type === "message_end") {
					this.sessionManager.saveMessage(event.message);

					// Initialize session after first user+assistant exchange
					if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
						this.sessionManager.startSession(this.agent.state);
					}

					// Check auto-compaction after assistant messages
					// (will be implemented in WP7)
					// if (event.message.role === "assistant") {
					//   await this.checkAutoCompaction();
					// }
				}
			});
		}

		// Return unsubscribe function for this specific listener
		return () => {
			const index = this._eventListeners.indexOf(listener);
			if (index !== -1) {
				this._eventListeners.splice(index, 1);
			}
		};
	}

	/**
	 * Unsubscribe from agent entirely and clear all listeners.
	 * Used during reset/cleanup operations.
	 */
	unsubscribeAll(): void {
		if (this._unsubscribeAgent) {
			this._unsubscribeAgent();
			this._unsubscribeAgent = undefined;
		}
		this._eventListeners = [];
	}

	/**
	 * Re-subscribe to agent after unsubscribeAll.
	 * Call this after operations that require temporary unsubscription.
	 */
	resubscribe(): void {
		if (this._unsubscribeAgent) return; // Already subscribed

		this._unsubscribeAgent = this.agent.subscribe(async (event) => {
			for (const l of this._eventListeners) {
				l(event);
			}

			if (event.type === "message_end") {
				this.sessionManager.saveMessage(event.message);

				if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
					this.sessionManager.startSession(this.agent.state);
				}
			}
		});
	}

	// =========================================================================
	// Read-only State Access
	// =========================================================================

	/** Full agent state */
	get state(): AgentState {
		return this.agent.state;
	}

	/** Current model (may be null if not yet selected) */
	get model(): Model<any> | null {
		return this.agent.state.model;
	}

	/** Current thinking level */
	get thinkingLevel(): ThinkingLevel {
		return this.agent.state.thinkingLevel;
	}

	/** Whether agent is currently streaming a response */
	get isStreaming(): boolean {
		return this.agent.state.isStreaming;
	}

	/** All messages including custom types like BashExecutionMessage */
	get messages(): AppMessage[] {
		return this.agent.state.messages;
	}

	/** Current queue mode */
	get queueMode(): "all" | "one-at-a-time" {
		return this.agent.getQueueMode();
	}

	/** Current session file path */
	get sessionFile(): string {
		return this.sessionManager.getSessionFile();
	}

	/** Current session ID */
	get sessionId(): string {
		return this.sessionManager.getSessionId();
	}

	/** Scoped models for cycling (from --models flag) */
	get scopedModels(): ReadonlyArray<{ model: Model<any>; thinkingLevel: ThinkingLevel }> {
		return this._scopedModels;
	}

	/** File-based slash commands */
	get fileCommands(): ReadonlyArray<FileSlashCommand> {
		return this._fileCommands;
	}

	// =========================================================================
	// Prompting
	// =========================================================================

	/**
	 * Send a prompt to the agent.
	 * - Validates model and API key before sending
	 * - Expands file-based slash commands by default
	 * @throws Error if no model selected or no API key available
	 */
	async prompt(text: string, options?: PromptOptions): Promise<void> {
		const expandCommands = options?.expandSlashCommands ?? true;

		// Validate model
		if (!this.model) {
			throw new Error(
				"No model selected.\n\n" +
					"Set an API key (ANTHROPIC_API_KEY, OPENAI_API_KEY, etc.)\n" +
					`or create ${getModelsPath()}\n\n` +
					"Then use /model to select a model.",
			);
		}

		// Validate API key
		const apiKey = await getApiKeyForModel(this.model);
		if (!apiKey) {
			throw new Error(
				`No API key found for ${this.model.provider}.\n\n` +
					`Set the appropriate environment variable or update ${getModelsPath()}`,
			);
		}

		// Expand slash commands if requested
		const expandedText = expandCommands ? expandSlashCommand(text, [...this._fileCommands]) : text;

		await this.agent.prompt(expandedText, options?.attachments);
	}

	/**
	 * Queue a message to be sent after the current response completes.
	 * Use when agent is currently streaming.
	 */
	async queueMessage(text: string): Promise<void> {
		this._queuedMessages.push(text);
		await this.agent.queueMessage({
			role: "user",
			content: [{ type: "text", text }],
			timestamp: Date.now(),
		});
	}

	/**
	 * Clear queued messages and return them.
	 * Useful for restoring to editor when user aborts.
	 */
	clearQueue(): string[] {
		const queued = [...this._queuedMessages];
		this._queuedMessages = [];
		this.agent.clearMessageQueue();
		return queued;
	}

	/** Number of messages currently queued */
	get queuedMessageCount(): number {
		return this._queuedMessages.length;
	}

	/** Get queued messages (read-only) */
	getQueuedMessages(): readonly string[] {
		return this._queuedMessages;
	}

	/**
	 * Abort current operation and wait for agent to become idle.
	 */
	async abort(): Promise<void> {
		this.agent.abort();
		await this.agent.waitForIdle();
	}

	/**
	 * Reset agent and session to start fresh.
	 * Clears all messages and starts a new session.
	 */
	async reset(): Promise<void> {
		this.unsubscribeAll();
		await this.abort();
		this.agent.reset();
		this.sessionManager.reset();
		this._queuedMessages = [];
		// Note: caller should re-subscribe after reset if needed
	}
}


edit

import type { Agent, AgentEvent, AgentState, AppMessage, Attachment, ThinkingLevel } from "@mariozechner/pi-agent-core";
import type { Model } from "@mariozechner/pi-ai";
import { getModelsPath } from "../config.js";
import { getApiKeyForModel } from "../model-config.js";

import type { Agent, AgentEvent, AgentState, AppMessage, Attachment, ThinkingLevel } from "@mariozechner/pi-agent-core";
import type { Model } from "@mariozechner/pi-ai";
import { getModelsPath } from "../config.js";
import { getApiKeyForModel, getAvailableModels } from "../model-config.js";


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 272 characters to 292 characters.

     ...
  15
  16 import type { Agent, AgentEvent, AgentState, AppMessage, Attachment, ThinkingLevel } from "@mariozechner/pi-agent-core";
  17 import type { Model } from "@mariozechner/pi-ai";
  18 import { getModelsPath } from "../config.js";
- 19 import { getApiKeyForModel } from "../model-config.js";
+ 19 import { getApiKeyForModel, getAvailableModels } from "../model-config.js";
  20 import type { SessionManager } from "../session-manager.js";
  21 import type { SettingsManager } from "../settings-manager.js";
  22 import { expandSlashCommand, type FileSlashCommand } from "../slash-commands.js";
  23
     ...


Now add the model management and thinking level types/methods. First add the types after PromptOptions:

/** Options for AgentSession.prompt() */
export interface PromptOptions {
	/** Whether to expand file-based slash commands (default: true) */
	expandSlashCommands?: boolean;
	/** Image/file attachments */
	attachments?: Attachment[];
}

/** Result from cycleModel() */
export interface ModelCycleResult {
	model: Model<any>;
	thinkingLevel: ThinkingLevel;
	/** Whether cycling through scoped models (--models flag) or all available */
	isScoped: boolean;
}


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 235 characters to 456 characters.


Now add the model management and thinking level methods at the end of the class:

	/**
	 * Reset agent and session to start fresh.
	 * Clears all messages and starts a new session.
	 */
	async reset(): Promise<void> {
		this.unsubscribeAll();
		await this.abort();
		this.agent.reset();
		this.sessionManager.reset();
		this._queuedMessages = [];
		// Note: caller should re-subscribe after reset if needed
	}
}

	/**
	 * Reset agent and session to start fresh.
	 * Clears all messages and starts a new session.
	 */
	async reset(): Promise<void> {
		this.unsubscribeAll();
		await this.abort();
		this.agent.reset();
		this.sessionManager.reset();
		this._queuedMessages = [];
		// Note: caller should re-subscribe after reset if needed
	}

	// =========================================================================
	// Model Management
	// =========================================================================

	/**
	 * Set model directly.
	 * Validates API key, saves to session and settings.
	 * @throws Error if no API key available for the model
	 */
	async setModel(model: Model<any>): Promise<void> {
		const apiKey = await getApiKeyForModel(model);
		if (!apiKey) {
			throw new Error(`No API key for ${model.provider}/${model.id}`);
		}

		this.agent.setModel(model);
		this.sessionManager.saveModelChange(model.provider, model.id);
		this.settingsManager.setDefaultModelAndProvider(model.provider, model.id);
	}

	/**
	 * Cycle to next model.
	 * Uses scoped models (from --models flag) if available, otherwise all available models.
	 * @returns The new model info, or null if only one model available
	 */
	async cycleModel(): Promise<ModelCycleResult | null> {
		if (this._scopedModels.length > 0) {
			return this._cycleScopedModel();
		}
		return this._cycleAvailableModel();
	}

	private async _cycleScopedModel(): Promise<ModelCycleResult | null> {
		if (this._scopedModels.length <= 1) return null;

		const currentModel = this.model;
		let currentIndex = this._scopedModels.findIndex(
			(sm) => sm.model.id === currentModel?.id && sm.model.provider === currentModel?.provider,
		);

		if (currentIndex === -1) currentIndex = 0;
		const nextIndex = (currentIndex + 1) % this._scopedModels.length;
		const next = this._scopedModels[nextIndex];

		// Validate API key
		const apiKey = await getApiKeyForModel(next.model);
		if (!apiKey) {
			throw new Error(`No API key for ${next.model.provider}/${next.model.id}`);
		}

		// Apply model
		this.agent.setModel(next.model);
		this.sessionManager.saveModelChange(next.model.provider, next.model.id);
		this.settingsManager.setDefaultModelAndProvider(next.model.provider, next.model.id);

		// Apply thinking level (silently use "off" if not supported)
		const effectiveThinking = next.model.reasoning ? next.thinkingLevel : "off";
		this.agent.setThinkingLevel(effectiveThinking);
		this.sessionManager.saveThinkingLevelChange(effectiveThinking);
		this.settingsManager.setDefaultThinkingLevel(effectiveThinking);

		return { model: next.model, thinkingLevel: effectiveThinking, isScoped: true };
	}

	private async _cycleAvailableModel(): Promise<ModelCycleResult | null> {
		const { models: availableModels, error } = await getAvailableModels();
		if (error) throw new Error(`Failed to load models: ${error}`);
		if (availableModels.length <= 1) return null;

		const currentModel = this.model;
		let currentIndex = availableModels.findIndex(
			(m) => m.id === currentModel?.id && m.provider === currentModel?.provider,
		);

		if (currentIndex === -1) currentIndex = 0;
		const nextIndex = (currentIndex + 1) % availableModels.length;
		const nextModel = availableModels[nextIndex];

		const apiKey = await getApiKeyForModel(nextModel);
		if (!apiKey) {
			throw new Error(`No API key for ${nextModel.provider}/${nextModel.id}`);
		}

		this.agent.setModel(nextModel);
		this.sessionManager.saveModelChange(nextModel.provider, nextModel.id);
		this.settingsManager.setDefaultModelAndProvider(nextModel.provider, nextModel.id);

		return { model: nextModel, thinkingLevel: this.thinkingLevel, isScoped: false };
	}

	/**
	 * Get all available models with valid API keys.
	 */
	async getAvailableModels(): Promise<Model<any>[]> {
		const { models, error } = await getAvailableModels();
		if (error) throw new Error(error);
		return models;
	}

	// =========================================================================
	// Thinking Level Management
	// =========================================================================

	/**
	 * Set thinking level.
	 * Silently uses "off" if model doesn't support thinking.
	 * Saves to session and settings.
	 */
	setThinkingLevel(level: ThinkingLevel): void {
		const effectiveLevel = this.supportsThinking() ? level : "off";
		this.agent.setThinkingLevel(effectiveLevel);
		this.sessionManager.saveThinkingLevelChange(effectiveLevel);
		this.settingsManager.setDefaultThinkingLevel(effectiveLevel);
	}

	/**
	 * Cycle to next thinking level.
	 * @returns New level, or null if model doesn't support thinking
	 */
	cycleThinkingLevel(): ThinkingLevel | null {
		if (!this.supportsThinking()) return null;

		const modelId = this.model?.id || "";
		const supportsXhigh = modelId.includes("codex-max");
		const levels: ThinkingLevel[] = supportsXhigh
			? ["off", "minimal", "low", "medium", "high", "xhigh"]
			: ["off", "minimal", "low", "medium", "high"];

		const currentIndex = levels.indexOf(this.thinkingLevel);
		const nextIndex = (currentIndex + 1) % levels.length;
		const nextLevel = levels[nextIndex];

		this.setThinkingLevel(nextLevel);
		return nextLevel;
	}

	/**
	 * Check if current model supports thinking/reasoning.
	 */
	supportsThinking(): boolean {
		return !!this.model?.reasoning;
	}

	// =========================================================================
	// Queue Mode Management
	// =========================================================================

	/**
	 * Set message queue mode.
	 * Saves to settings.
	 */
	setQueueMode(mode: "all" | "one-at-a-time"): void {
		this.agent.setQueueMode(mode);
		this.settingsManager.setQueueMode(mode);
	}
}


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 329 characters to 5694 characters.

     ...
 307 		this.sessionManager.reset();
 308 		this._queuedMessages = [];
 309 		// Note: caller should re-subscribe after reset if needed
 310 	}
+311
+312 	// =========================================================================
+313 	// Model Management
+314 	// =========================================================================
+315
+316 	/**
+317 	 * Set model directly.
+318 	 * Validates API key, saves to session and settings.
+319 	 * @throws Error if no API key available for the model
+320 	 */
+321 	async setModel(model: Model<any>): Promise<void> {
+322 		const apiKey = await getApiKeyForModel(model);
+323 		if (!apiKey) {
+324 			throw new Error(`No API key for ${model.provider}/${model.id}`);
+325 		}
+326
+327 		this.agent.setModel(model);
+328 		this.sessionManager.saveModelChange(model.provider, model.id);
+329 		this.settingsManager.setDefaultModelAndProvider(model.provider, model.id);
+330 	}
+331
+332 	/**
+333 	 * Cycle to next model.
+334 	 * Uses scoped models (from --models flag) if available, otherwise all available models.
+335 	 * @returns The new model info, or null if only one model available
+336 	 */
+337 	async cycleModel(): Promise<ModelCycleResult | null> {
+338 		if (this._scopedModels.length > 0) {
+339 			return this._cycleScopedModel();
+340 		}
+341 		return this._cycleAvailableModel();
+342 	}
+343
+344 	private async _cycleScopedModel(): Promise<ModelCycleResult | null> {
+345 		if (this._scopedModels.length <= 1) return null;
+346
+347 		const currentModel = this.model;
+348 		let currentIndex = this._scopedModels.findIndex(
+349 			(sm) => sm.model.id === currentModel?.id && sm.model.provider === currentModel?.provider,
+350 		);
+351
+352 		if (currentIndex === -1) currentIndex = 0;
+353 		const nextIndex = (currentIndex + 1) % this._scopedModels.length;
+354 		const next = this._scopedModels[nextIndex];
+355
+356 		// Validate API key
+357 		const apiKey = await getApiKeyForModel(next.model);
+358 		if (!apiKey) {
+359 			throw new Error(`No API key for ${next.model.provider}/${next.model.id}`);
+360 		}
+361
+362 		// Apply model
+363 		this.agent.setModel(next.model);
+364 		this.sessionManager.saveModelChange(next.model.provider, next.model.id);
+365 		this.settingsManager.setDefaultModelAndProvider(next.model.provider, next.model.id);
+366
+367 		// Apply thinking level (silently use "off" if not supported)
+368 		const effectiveThinking = next.model.reasoning ? next.thinkingLevel : "off";
+369 		this.agent.setThinkingLevel(effectiveThinking);
+370 		this.sessionManager.saveThinkingLevelChange(effectiveThinking);
+371 		this.settingsManager.setDefaultThinkingLevel(effectiveThinking);
+372
+373 		return { model: next.model, thinkingLevel: effectiveThinking, isScoped: true };
+374 	}
+375
+376 	private async _cycleAvailableModel(): Promise<ModelCycleResult | null> {
+377 		const { models: availableModels, error } = await getAvailableModels();
+378 		if (error) throw new Error(`Failed to load models: ${error}`);
+379 		if (availableModels.length <= 1) return null;
+380
+381 		const currentModel = this.model;
+382 		let currentIndex = availableModels.findIndex(
+383 			(m) => m.id === currentModel?.id && m.provider === currentModel?.provider,
+384 		);
+385
+386 		if (currentIndex === -1) currentIndex = 0;
+387 		const nextIndex = (currentIndex + 1) % availableModels.length;
+388 		const nextModel = availableModels[nextIndex];
+389
+390 		const apiKey = await getApiKeyForModel(nextModel);
+391 		if (!apiKey) {
+392 			throw new Error(`No API key for ${nextModel.provider}/${nextModel.id}`);
+393 		}
+394
+395 		this.agent.setModel(nextModel);
+396 		this.sessionManager.saveModelChange(nextModel.provider, nextModel.id);
+397 		this.settingsManager.setDefaultModelAndProvider(nextModel.provider, nextModel.id);
+398
+399 		return { model: nextModel, thinkingLevel: this.thinkingLevel, isScoped: false };
+400 	}
+401
+402 	/**
+403 	 * Get all available models with valid API keys.
+404 	 */
+405 	async getAvailableModels(): Promise<Model<any>[]> {
+406 		const { models, error } = await getAvailableModels();
+407 		if (error) throw new Error(error);
+408 		return models;
+409 	}
+410
+411 	// =========================================================================
+412 	// Thinking Level Management
+413 	// =========================================================================
+414
+415 	/**
+416 	 * Set thinking level.
+417 	 * Silently uses "off" if model doesn't support thinking.
+418 	 * Saves to session and settings.
+419 	 */
+420 	setThinkingLevel(level: ThinkingLevel): void {
+421 		const effectiveLevel = this.supportsThinking() ? level : "off";
+422 		this.agent.setThinkingLevel(effectiveLevel);
+423 		this.sessionManager.saveThinkingLevelChange(effectiveLevel);
+424 		this.settingsManager.setDefaultThinkingLevel(effectiveLevel);
+425 	}
+426
+427 	/**
+428 	 * Cycle to next thinking level.
+429 	 * @returns New level, or null if model doesn't support thinking
+430 	 */
+431 	cycleThinkingLevel(): ThinkingLevel | null {
+432 		if (!this.supportsThinking()) return null;
+433
+434 		const modelId = this.model?.id || "";
+435 		const supportsXhigh = modelId.includes("codex-max");
+436 		const levels: ThinkingLevel[] = supportsXhigh
+437 			? ["off", "minimal", "low", "medium", "high", "xhigh"]
+438 			: ["off", "minimal", "low", "medium", "high"];
+439
+440 		const currentIndex = levels.indexOf(this.thinkingLevel);
+441 		const nextIndex = (currentIndex + 1) % levels.length;
+442 		const nextLevel = levels[nextIndex];
+443
+444 		this.setThinkingLevel(nextLevel);
+445 		return nextLevel;
+446 	}
+447
+448 	/**
+449 	 * Check if current model supports thinking/reasoning.
+450 	 */
+451 	supportsThinking(): boolean {
+452 		return !!this.model?.reasoning;
+453 	}
+454
+455 	// =========================================================================
+456 	// Queue Mode Management
+457 	// =========================================================================
+458
+459 	/**
+460 	 * Set message queue mode.
+461 	 * Saves to settings.
+462 	 */
+463 	setQueueMode(mode: "all" | "one-at-a-time"): void {
+464 		this.agent.setQueueMode(mode);
+465 		this.settingsManager.setQueueMode(mode);
+466 	}
 311 }


> pi-monorepo@0.0.3 check
> biome check --write . && npm run check --workspaces --if-present && tsgo --noEmit

Checked 232 files in 119ms. No fixes applied.

> @mariozechner/pi-agent-core@0.14.2 check
> tsgo --noEmit

> @mariozechner/pi-ai@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 36 files in 38ms. No fixes applied.

> @mariozechner/pi-coding-agent@0.14.2 check
> tsgo --noEmit

> @mariozechner/pi-mom@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 12 files in 16ms. No fixes applied.

> @mariozechner/pi@0.14.2 check
> biome check --write .

Checked 10 files in 17ms. No fixes applied.

> @mariozechner/pi-proxy@0.14.2 check
> biome check --write .

Checked 3 files in 3ms. No fixes applied.

> @mariozechner/pi-tui@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 22 files in 23ms. No fixes applied.

> @mariozechner/pi-web-ui@0.14.2 check
> tsc --noEmit && cd example && tsc --noEmit

> pi-web-ui-example@1.2.2 check
> tsc --noEmit


Now update the checkboxes for WP5 and WP6:

- [ ] Add `ModelCycleResult` interface
- [ ] Add `setModel()` method
- [ ] Add `cycleModel()` method with scoped/available variants
- [ ] Add `getAvailableModels()` method
- [ ] Verify with `npm run check`

- [x] Add `ModelCycleResult` interface
- [x] Add `setModel()` method
- [x] Add `cycleModel()` method with scoped/available variants
- [x] Add `getAvailableModels()` method
- [x] Verify with `npm run check`


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 205 characters to 205 characters.

      ...
  574
  575 **Verification:**
  576 1. `npm run check` passes
  577
- 578 - [ ] Add `ModelCycleResult` interface
- 579 - [ ] Add `setModel()` method
- 580 - [ ] Add `cycleModel()` method with scoped/available variants
- 581 - [ ] Add `getAvailableModels()` method
- 582 - [ ] Verify with `npm run check`
+ 578 - [x] Add `ModelCycleResult` interface
+ 579 - [x] Add `setModel()` method
+ 580 - [x] Add `cycleModel()` method with scoped/available variants
+ 581 - [x] Add `getAvailableModels()` method
+ 582 - [x] Verify with `npm run check`
  583
  584 ---
  585
  586 ### WP6: AgentSession - Thinking Level Management
      ...


- [ ] Add `setThinkingLevel()` method
- [ ] Add `cycleThinkingLevel()` method
- [ ] Add `supportsThinking()` method
- [ ] Add `setQueueMode()` method and `queueMode` getter (see below)
- [ ] Verify with `npm run check`

- [x] Add `setThinkingLevel()` method
- [x] Add `cycleThinkingLevel()` method
- [x] Add `supportsThinking()` method
- [x] Add `setQueueMode()` method and `queueMode` getter (see below)
- [x] Verify with `npm run check`


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 218 characters to 218 characters.

      ...
  638
  639 **Verification:**
  640 1. `npm run check` passes
  641
- 642 - [ ] Add `setThinkingLevel()` method
- 643 - [ ] Add `cycleThinkingLevel()` method
- 644 - [ ] Add `supportsThinking()` method
- 645 - [ ] Add `setQueueMode()` method and `queueMode` getter (see below)
- 646 - [ ] Verify with `npm run check`
+ 642 - [x] Add `setThinkingLevel()` method
+ 643 - [x] Add `cycleThinkingLevel()` method
+ 644 - [x] Add `supportsThinking()` method
+ 645 - [x] Add `setQueueMode()` method and `queueMode` getter (see below)
+ 646 - [x] Verify with `npm run check`
  647
  648 **Queue mode (add to same WP):**
  649 ```typescript
  650 // Add to AgentSession class
      ...


bash

cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP5+WP6: Add AgentSession model, thinking level, and queue mode management"


Running formatting, linting, and type checking...

> pi-monorepo@0.0.3 check
> biome check --write . && npm run check --workspaces --if-present && tsgo --noEmit

Checked 232 files in 135ms. No fixes applied.

> @mariozechner/pi-agent-core@0.14.2 check
> tsgo --noEmit

> @mariozechner/pi-ai@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 36 files in 40ms. No fixes applied.

> @mariozechner/pi-coding-agent@0.14.2 check
> tsgo --noEmit

> @mariozechner/pi-mom@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 12 files in 15ms. No fixes applied.

> @mariozechner/pi@0.14.2 check
> biome check --write .

Checked 10 files in 17ms. No fixes applied.

> @mariozechner/pi-proxy@0.14.2 check
> biome check --write .

Checked 3 files in 4ms. No fixes applied.

> @mariozechner/pi-tui@0.14.2 check
> biome check --write . && tsgo --noEmit

Checked 22 files in 24ms. No fixes applied.

> @mariozechner/pi-web-ui@0.14.2 check
> tsc --noEmit && cd example && tsc --noEmit

> pi-web-ui-example@1.2.2 check
> tsc --noEmit

✅ All pre-commit checks passed!
[refactor 0119d76] WP5+WP6: Add AgentSession model, thinking level, and queue mode management
 2 files changed, 175 insertions(+), 11 deletions(-)


Now WP7: Compaction. This is a bigger one. Let me add it:


/**
 * AgentSession - Core abstraction for agent lifecycle and session management.
 *
 * This class is shared between all run modes (interactive, print, rpc).
 * It encapsulates:
 * - Agent state access
 * - Event subscription with automatic session persistence
 * - Model and thinking level management
 * - Compaction (manual and auto)
 * - Bash execution
 * - Session switching and branching
 *
 * Modes use this class and add their own I/O layer on top.
 */

import type { Agent, AgentEvent, AgentState, AppMessage, Attachment, ThinkingLevel } from "@mariozechner/pi-agent-core";
import type { Model } from "@mariozechner/pi-ai";
import { getModelsPath } from "../config.js";
import { getApiKeyForModel, getAvailableModels } from "../model-config.js";
import type { SessionManager } from "../session-manager.js";
import type { SettingsManager } from "../settings-manager.js";
import { expandSlashCommand, type FileSlashCommand } from "../slash-commands.js";

/** Listener function for agent events */
export type AgentEventListener = (event: AgentEvent) => void;

// ============================================================================
// Types
// ============================================================================

[438 more lines in file. Use offset=31 to continue]


edit

import type { Agent, AgentEvent, AgentState, AppMessage, Attachment, ThinkingLevel } from "@mariozechner/pi-agent-core";
import type { Model } from "@mariozechner/pi-ai";
import { getModelsPath } from "../config.js";
import { getApiKeyForModel, getAvailableModels } from "../model-config.js";
import type { SessionManager } from "../session-manager.js";
import type { SettingsManager } from "../settings-manager.js";
import { expandSlashCommand, type FileSlashCommand } from "../slash-commands.js";

import type { Agent, AgentEvent, AgentState, AppMessage, Attachment, ThinkingLevel } from "@mariozechner/pi-agent-core";
import type { AssistantMessage, Model } from "@mariozechner/pi-ai";
import { calculateContextTokens, compact, shouldCompact } from "../compaction.js";
import { getModelsPath } from "../config.js";
import { getApiKeyForModel, getAvailableModels } from "../model-config.js";
import { loadSessionFromEntries, type SessionManager } from "../session-manager.js";
import type { SettingsManager } from "../settings-manager.js";
import { expandSlashCommand, type FileSlashCommand } from "../slash-commands.js";


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 498 characters to 623 characters.

     ...
  13  * Modes use this class and add their own I/O layer on top.
  14  */
  15
  16 import type { Agent, AgentEvent, AgentState, AppMessage, Attachment, ThinkingLevel } from "@mariozechner/pi-agent-core";
- 17 import type { Model } from "@mariozechner/pi-ai";
+ 17 import type { AssistantMessage, Model } from "@mariozechner/pi-ai";
+ 18 import { calculateContextTokens, compact, shouldCompact } from "../compaction.js";
  18 import { getModelsPath } from "../config.js";
  19 import { getApiKeyForModel, getAvailableModels } from "../model-config.js";
- 20 import type { SessionManager } from "../session-manager.js";
+ 21 import { loadSessionFromEntries, type SessionManager } from "../session-manager.js";
  21 import type { SettingsManager } from "../settings-manager.js";
  22 import { expandSlashCommand, type FileSlashCommand } from "../slash-commands.js";
  23
  24 /** Listener function for agent events */
     ...


Now add the CompactionResult interface after ModelCycleResult:

/** Result from cycleModel() */
export interface ModelCycleResult {
	model: Model<any>;
	thinkingLevel: ThinkingLevel;
	/** Whether cycling through scoped models (--models flag) or all available */
	isScoped: boolean;
}

/** Result from compact() or checkAutoCompaction() */
export interface CompactionResult {
	tokensBefore: number;
	tokensAfter: number;
	summary: string;
}


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 219 characters to 375 characters.


Now add the compaction abort controller to the class fields:

	// Message queue state
	private _queuedMessages: string[] = [];

	// Compaction state
	private _compactionAbortController: AbortController | null = null;


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 64 characters to 154 characters.

     ...
  80
  81 	// Message queue state
  82 	private _queuedMessages: string[] = [];
  83
+ 84 	// Compaction state
+ 85 	private _compactionAbortController: AbortController | null = null;
+ 86
  84 	constructor(config: AgentSessionConfig) {
  85 		this.agent = config.agent;
  86 		this.sessionManager = config.sessionManager;
  87 		this.settingsManager = config.settingsManager;
     ...


Now add the compaction methods at the end of the class (before the closing brace). First let me see where we left off:

bash

cd /Users/badlogic/workspaces/pi-mono && tail -30 packages/coding-agent/src/core/agent-session.ts


			: ["off", "minimal", "low", "medium", "high"];

		const currentIndex = levels.indexOf(this.thinkingLevel);
		const nextIndex = (currentIndex + 1) % levels.length;
		const nextLevel = levels[nextIndex];

		this.setThinkingLevel(nextLevel);
		return nextLevel;
	}

	/**
	 * Check if current model supports thinking/reasoning.
	 */
	supportsThinking(): boolean {
		return !!this.model?.reasoning;
	}

	// =========================================================================
	// Queue Mode Management
	// =========================================================================

	/**
	 * Set message queue mode.
	 * Saves to settings.
	 */
	setQueueMode(mode: "all" | "one-at-a-time"): void {
		this.agent.setQueueMode(mode);
		this.settingsManager.setQueueMode(mode);
	}
}


edit

	// =========================================================================
	// Queue Mode Management
	// =========================================================================

	/**
	 * Set message queue mode.
	 * Saves to settings.
	 */
	setQueueMode(mode: "all" | "one-at-a-time"): void {
		this.agent.setQueueMode(mode);
		this.settingsManager.setQueueMode(mode);
	}

	// =========================================================================
	// Compaction
	// =========================================================================

	/**
	 * Manually compact the session context.
	 * Aborts current agent operation first.
	 * @param customInstructions Optional instructions for the compaction summary
	 */
	async compact(customInstructions?: string): Promise<CompactionResult> {
		// Abort any running operation
		this.unsubscribeAll();
		await this.abort();

		// Create abort controller
		this._compactionAbortController = new AbortController();

		try {
			if (!this.model) {
				throw new Error("No model selected");
			}

			const apiKey = await getApiKeyForModel(this.model);
			if (!apiKey) {
				throw new Error(`No API key for ${this.model.provider}`);
			}

			const entries = this.sessionManager.loadEntries();
			const settings = this.settingsManager.getCompactionSettings();
			const compactionEntry = await compact(
				entries,
				this.model,
				settings,
				apiKey,
				this._compactionAbortController.signal,
				customInstructions,
			);

			if (this._compactionAbortController.signal.aborted) {
				throw new Error("Compaction cancelled");
			}

			// Save and reload
			this.sessionManager.saveCompaction(compactionEntry);
			const loaded = loadSessionFromEntries(this.sessionManager.loadEntries());
			this.agent.replaceMessages(loaded.messages);

			return {
				tokensBefore: compactionEntry.tokensBefore,
				tokensAfter: compactionEntry.tokensAfter,
				summary: compactionEntry.summary,
			};
		} finally {
			this._compactionAbortController = null;
			// Note: caller needs to call resubscribe() after compaction
		}
	}

	/**
	 * Cancel in-progress compaction.
	 */
	abortCompaction(): void {
		this._compactionAbortController?.abort();
	}

	/**
	 * Check if auto-compaction should run, and run it if so.
	 * Called internally after assistant messages.
	 * @returns Result if compaction occurred, null otherwise
	 */
	async checkAutoCompaction(): Promise<CompactionResult | null> {
		const settings = this.settingsManager.getCompactionSettings();
		if (!settings.enabled) return null;

		// Get last non-aborted assistant message
		const messages = this.messages;
		let lastAssistant: AssistantMessage | null = null;
		for (let i = messages.length - 1; i >= 0; i--) {
			const msg = messages[i];
			if (msg.role === "assistant") {
				const assistantMsg = msg as AssistantMessage;
				if (assistantMsg.stopReason !== "aborted") {
					lastAssistant = assistantMsg;
					break;
				}
			}
		}
		if (!lastAssistant) return null;

		const contextTokens = calculateContextTokens(lastAssistant.usage);
		const contextWindow = this.model?.contextWindow ?? 0;

		if (!shouldCompact(contextTokens, contextWindow, settings)) return null;

		// Perform auto-compaction (don't abort current operation for auto)
		try {
			if (!this.model) return null;

			const apiKey = await getApiKeyForModel(this.model);
			if (!apiKey) return null;

			const entries = this.sessionManager.loadEntries();
			const compactionEntry = await compact(entries, this.model, settings, apiKey);

			this.sessionManager.saveCompaction(compactionEntry);
			const loaded = loadSessionFromEntries(this.sessionManager.loadEntries());
			this.agent.replaceMessages(loaded.messages);

			return {
				tokensBefore: compactionEntry.tokensBefore,
				tokensAfter: compactionEntry.tokensAfter,
				summary: compactionEntry.summary,
			};
		} catch {
			return null; // Silently fail auto-compaction
		}
	}

	/**
	 * Toggle auto-compaction setting.
	 */
	setAutoCompactionEnabled(enabled: boolean): void {
		this.settingsManager.setCompactionEnabled(enabled);
	}

	/** Whether auto-compaction is enabled */
	get autoCompactionEnabled(): boolean {
		return this.settingsManager.getCompactionEnabled();
	}
}


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 377 characters to 4207 characters.

     ...
 474 	setQueueMode(mode: "all" | "one-at-a-time"): void {
 475 		this.agent.setQueueMode(mode);
 476 		this.settingsManager.setQueueMode(mode);
 477 	}
+478
+479 	// =========================================================================
+480 	// Compaction
+481 	// =========================================================================
+482
+483 	/**
+484 	 * Manually compact the session context.
+485 	 * Aborts current agent operation first.
+486 	 * @param customInstructions Optional instructions for the compaction summary
+487 	 */
+488 	async compact(customInstructions?: string): Promise<CompactionResult> {
+489 		// Abort any running operation
+490 		this.unsubscribeAll();
+491 		await this.abort();
+492
+493 		// Create abort controller
+494 		this._compactionAbortController = new AbortController();
+495
+496 		try {
+497 			if (!this.model) {
+498 				throw new Error("No model selected");
+499 			}
+500
+501 			const apiKey = await getApiKeyForModel(this.model);
+502 			if (!apiKey) {
+503 				throw new Error(`No API key for ${this.model.provider}`);
+504 			}
+505
+506 			const entries = this.sessionManager.loadEntries();
+507 			const settings = this.settingsManager.getCompactionSettings();
+508 			const compactionEntry = await compact(
+509 				entries,
+510 				this.model,
+511 				settings,
+512 				apiKey,
+513 				this._compactionAbortController.signal,
+514 				customInstructions,
+515 			);
+516
+517 			if (this._compactionAbortController.signal.aborted) {
+518 				throw new Error("Compaction cancelled");
+519 			}
+520
+521 			// Save and reload
+522 			this.sessionManager.saveCompaction(compactionEntry);
+523 			const loaded = loadSessionFromEntries(this.sessionManager.loadEntries());
+524 			this.agent.replaceMessages(loaded.messages);
+525
+526 			return {
+527 				tokensBefore: compactionEntry.tokensBefore,
+528 				tokensAfter: compactionEntry.tokensAfter,
+529 				summary: compactionEntry.summary,
+530 			};
+531 		} finally {
+532 			this._compactionAbortController = null;
+533 			// Note: caller needs to call resubscribe() after compaction
+534 		}
+535 	}
+536
+537 	/**
+538 	 * Cancel in-progress compaction.
+539 	 */
+540 	abortCompaction(): void {
+541 		this._compactionAbortController?.abort();
+542 	}
+543
+544 	/**
+545 	 * Check if auto-compaction should run, and run it if so.
+546 	 * Called internally after assistant messages.
+547 	 * @returns Result if compaction occurred, null otherwise
+548 	 */
+549 	async checkAutoCompaction(): Promise<CompactionResult | null> {
+550 		const settings = this.settingsManager.getCompactionSettings();
+551 		if (!settings.enabled) return null;
+552
+553 		// Get last non-aborted assistant message
+554 		const messages = this.messages;
+555 		let lastAssistant: AssistantMessage | null = null;
+556 		for (let i = messages.length - 1; i >= 0; i--) {
+557 			const msg = messages[i];
+558 			if (msg.role === "assistant") {
+559 				const assistantMsg = msg as AssistantMessage;
+560 				if (assistantMsg.stopReason !== "aborted") {
+561 					lastAssistant = assistantMsg;
+562 					break;
+563 				}
+564 			}
+565 		}
+566 		if (!lastAssistant) return null;
+567
+568 		const contextTokens = calculateContextTokens(lastAssistant.usage);
+569 		const contextWindow = this.model?.contextWindow ?? 0;
+570
+571 		if (!shouldCompact(contextTokens, contextWindow, settings)) return null;
+572
+573 		// Perform auto-compaction (don't abort current operation for auto)
+574 		try {
+575 			if (!this.model) return null;
+576
+577 			const apiKey = await getApiKeyForModel(this.model);
+578 			if (!apiKey) return null;
+579
+580 			const entries = this.sessionManager.loadEntries();
+581 			const compactionEntry = await compact(entries, this.model, settings, apiKey);
+582
+583 			this.sessionManager.saveCompaction(compactionEntry);
+584 			const loaded = loadSessionFromEntries(this.sessionManager.loadEntries());
+585 			this.agent.replaceMessages(loaded.messages);
+586
+587 			return {
+588 				tokensBefore: compactionEntry.tokensBefore,
+589 				tokensAfter: compactionEntry.tokensAfter,
+590 				summary: compactionEntry.summary,
+591 			};
+592 		} catch {
+593 			return null; // Silently fail auto-compaction
+594 		}
+595 	}
+596
+597 	/**
+598 	 * Toggle auto-compaction setting.
+599 	 */
+600 	setAutoCompactionEnabled(enabled: boolean): void {
+601 		this.settingsManager.setCompactionEnabled(enabled);
+602 	}
+603
+604 	/** Whether auto-compaction is enabled */
+605 	get autoCompactionEnabled(): boolean {
+606 		return this.settingsManager.getCompactionEnabled();
+607 	}
 478 }


Now let me also update the subscribe method to actually call checkAutoCompaction:

					// Check auto-compaction after assistant messages
					// (will be implemented in WP7)
					// if (event.message.role === "assistant") {
					//   await this.checkAutoCompaction();
					// }

					// Check auto-compaction after assistant messages
					if (event.message.role === "assistant") {
						await this.checkAutoCompaction();
					}


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 195 characters to 148 characters.

     ...
 121 						this.sessionManager.startSession(this.agent.state);
 122 					}
 123
 124 					// Check auto-compaction after assistant messages
-125 					// (will be implemented in WP7)
-126 					// if (event.message.role === "assistant") {
-127 					//   await this.checkAutoCompaction();
-128 					// }
+125 					if (event.message.role === "assistant") {
+126 						await this.checkAutoCompaction();
+127 					}
 129 				}
 130 			});
 131 		}
 132
     ...


Also update resubscribe to include auto-compaction:

	resubscribe(): void {
		if (this._unsubscribeAgent) return; // Already subscribed

		this._unsubscribeAgent = this.agent.subscribe(async (event) => {
			for (const l of this._eventListeners) {
				l(event);
			}

			if (event.type === "message_end") {
				this.sessionManager.saveMessage(event.message);

				if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
					this.sessionManager.startSession(this.agent.state);
				}
			}
		});
	}

	resubscribe(): void {
		if (this._unsubscribeAgent) return; // Already subscribed

		this._unsubscribeAgent = this.agent.subscribe(async (event) => {
			for (const l of this._eventListeners) {
				l(event);
			}

			if (event.type === "message_end") {
				this.sessionManager.saveMessage(event.message);

				if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
					this.sessionManager.startSession(this.agent.state);
				}

				// Check auto-compaction after assistant messages
				if (event.message.role === "assistant") {
					await this.checkAutoCompaction();
				}
			}
		});
	}


Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 464 characters to 610 characters.

     ...
 167
 168 				if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
 169 					this.sessionManager.startSession(this.agent.state);
 170 				}
+171
+172 				// Check auto-compaction after assistant messages
+173 				if (event.message.role === "assistant") {
+174 					await this.checkAutoCompaction();
+175 				}
 171 			}
 172 		});
 173 	}
 174
     ...