remove excessive file writes

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@mikefreno/ralpi",
-  "version": "0.1.5",
+  "version": "0.1.7",
   "description": "Execute tasks from task files/PRD's using DAG-based dependency resolution with persistent progress tracking",
   "keywords": [
     "pi-package",

src/executor.ts

@@ -155,7 +155,6 @@ export async function runTask(
 	durationMs: number;
 	toolUsage?: ToolUsage;
 	outputPreview?: string;
-	sessionFile?: string;
 	commitMessages?: string[];
 	commitSummary?: string;
 }> {
@@ -169,12 +168,6 @@ export async function runTask(
 		config.prompts.projectContext,
 	);
 
-	// Write prompt to .ralpi/ with timestamp (for debugging)
-	const ralpiDir = path.join(projectDir, ".ralpi");
-	ensureDir(ralpiDir);
-	const promptFile = path.join(ralpiDir, `prompt-${startMs}.md`);
-	writeFileSafe(promptFile, prompt);
-
 	const taskHeader = `${task.id} · ${task.title}`;
 
 	// When running in parallel, all tasks share a single widget so ordering
@@ -262,11 +255,6 @@ export async function runTask(
 	// Use task-level timeout if set, otherwise fall back to config
 	const timeoutMs = task.timeoutMs ?? config.execution.timeoutMs;
 
-	// Pre-create session file path so events stream to disk (avoids 300+ MB in-memory accumulation)
-	const sessionsDir = path.join(ralpiDir, "sessions");
-	ensureDir(sessionsDir);
-	const sessionFilePath = path.join(sessionsDir, `${task.id}-${startMs}.txt`);
-
 	// Run task asynchronously via Pi SDK — event loop stays responsive
 	const output = await runAgentSession(
 		prompt,
@@ -291,7 +279,6 @@ export async function runTask(
 			}
 		},
 		undefined, // no abort signal
-		sessionFilePath, // stream events to file
 		assignedModel ?? config.model,
 		config.thinkingLevel,
 	);
@@ -318,7 +305,6 @@ export async function runTask(
 			success: false,
 			error: output.error,
 			durationMs,
-			sessionFile: sessionFilePath, // events streamed to file for debugging
 		};
 	}
 
@@ -328,13 +314,10 @@ export async function runTask(
 	// Capture git commits made during this task
 	const { commitMessages, commitSummary } = captureGitCommits(projectDir);
 
-	// Session file already written by runAgentSession (events streamed to disk)
-	const sessionFile = sessionFilePath;
-
 	// Build output preview (first 500 chars of agent text)
 	const outputPreview =
 		agentText.length > 500
-			? agentText.slice(0, 500) + "\n... (truncated, see session file)"
+			? agentText.slice(0, 500) + "\n... (truncated)"
 			: agentText;
 
 	// Extract reflection from agent output
@@ -350,7 +333,6 @@ export async function runTask(
 		durationMs,
 		toolUsage,
 		outputPreview,
-		sessionFile,
 		commitMessages,
 		commitSummary,
 	};
@@ -702,7 +684,6 @@ async function executeTask(
 						result.durationMs,
 						result.reflection,
 						result.toolUsage,
-						result.sessionFile,
 						result.outputPreview,
 						result.commitMessages,
 						result.commitSummary,

src/progress.ts

@@ -171,7 +171,6 @@ export class ProgressTracker {
 		durationMs: number,
 		reflection?: Reflection,
 		toolUsage?: ToolUsage,
-		sessionFile?: string,
 		outputPreview?: string,
 		commitMessages?: string[],
 		commitSummary?: string,
@@ -183,7 +182,6 @@ export class ProgressTracker {
 		prd.tasks[taskId].durationMs = durationMs;
 		if (reflection) prd.tasks[taskId].reflection = reflection;
 		if (toolUsage) prd.tasks[taskId].toolUsage = toolUsage;
-		if (sessionFile) prd.tasks[taskId].sessionFile = sessionFile;
 		if (outputPreview) prd.tasks[taskId].outputPreview = outputPreview;
 		if (commitMessages) prd.tasks[taskId].commitMessages = commitMessages;
 		if (commitSummary) prd.tasks[taskId].commitSummary = commitSummary;

src/types.ts

@@ -97,8 +97,6 @@ export interface TaskProgressInfo {
 	error?: string;
 	/** Tool usage counts from parsed subprocess output */
 	toolUsage?: ToolUsage;
-	/** Path to session output file */
-	sessionFile?: string;
 	/** Truncated output preview for expanded view */
 	outputPreview?: string;
 	/** Git commit messages from task execution */

src/utils.ts

@@ -432,7 +432,6 @@ export async function runAgentSession(
 	timeoutMs: number,
 	onEvent?: (event: AgentSessionEvent) => void,
 	signal?: AbortSignal,
-	sessionFile?: string,
 	model?: unknown,
 	thinkingLevel?: unknown,
 ): Promise<{
@@ -450,13 +449,6 @@ export async function runAgentSession(
 		bash: 0,
 		other: 0,
 	};
-	// Stream events to file instead of accumulating in memory.
-	// Accumulating caused "Invalid string length" crashes when
-	// JSON.stringify(output.events, null, 2) produced 300+ MB strings.
-	const eventStream = sessionFile
-		? fs.createWriteStream(sessionFile, { flags: "a" })
-		: null;
-
 	// Wire timeout via abort signal (only when set; 0 means inherit Pi's defaults)
 	let timeoutHandle: NodeJS.Timeout | null = null;
 	if (timeoutMs > 0) {
@@ -500,10 +492,6 @@ export async function runAgentSession(
 		let stopReason: string | undefined;
 
 		const unsubscribe = result.session.subscribe((event) => {
-			// Stream event to file (avoids accumulating 300+ MB in memory)
-			if (eventStream) {
-				eventStream.write(JSON.stringify(event) + "\n");
-			}
 			onEvent?.(event);
 
 			if (event.type === "message_end") {
@@ -540,11 +528,6 @@ export async function runAgentSession(
 		signal?.removeEventListener("abort", abortHandler);
 		if (timeoutHandle) clearTimeout(timeoutHandle);
 
-		// Flush and close the event stream before returning
-		if (eventStream) {
-			await new Promise<void>((resolve) => eventStream.end(resolve));
-		}
-
 		if (errorMessage && !finalText) {
 			return {
 				success: false,
@@ -561,19 +544,16 @@ export async function runAgentSession(
 			text: finalText.trim(),
 			toolUsage,
 			stopReason,
-			events: [], // streamed to file
+			events: [],
 		};
 	} catch (error) {
 		if (timeoutHandle) clearTimeout(timeoutHandle);
-		if (eventStream && !eventStream.destroyed) {
-			eventStream.end();
-		}
 		return {
 			success: false,
 			text: "",
 			error: error instanceof Error ? error.message : String(error),
 			toolUsage,
-			events: [], // streamed to file
+			events: [],
 		};
 	} finally {
 		sessionRef.session?.dispose();