"use strict";
/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
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}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
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}));
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
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    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.createResponsesStreamDumper = createResponsesStreamDumper;
const fs = __importStar(require("fs"));
const path = __importStar(require("path"));
/**
 * Set to `true` to dump every SSE event from the Responses API to a
 * timestamped log file under `<repo-root>/.responses-stream-dumps/`.
 * Useful for debugging phased output, commentary/final_answer
 * concatenation, and stream ordering.
 *
 * **Do not commit with this set to `true`.**
 */
const ENABLE_RESPONSES_STREAM_DUMP = false;
const noopDumper = {
    logEvent() { }
};
class ResponsesStreamDumper {
    constructor(filePath) {
        this.filePath = filePath;
    }
    logEvent(responseStreamEvent) {
        const timestamp = new Date();
        try {
            const prettyData = JSON.stringify({ ...responseStreamEvent, type: undefined }, null, 2);
            fs.appendFileSync(this.filePath, `${timestamp.toISOString()} ${responseStreamEvent.type}\n${prettyData}\n\n`);
        }
        catch {
            // Swallow write errors so debugging never breaks real functionality.
        }
    }
}
/**
 * Creates a dumper for the given request. When {@link ENABLE_RESPONSES_STREAM_DUMP}
 * is `false` this returns a no-op implementation with zero overhead.
 */
function createResponsesStreamDumper(requestId, logService) {
    if (!ENABLE_RESPONSES_STREAM_DUMP) {
        return noopDumper;
    }
    try {
        // At runtime this file lives in `extensions/copilot/dist/`; go up
        // three levels to land at the repo root, then write into a
        // dedicated (gitignored) subfolder so dumps don't pollute `dist/`.
        const repoRoot = path.resolve(__dirname, '..', '..', '..');
        const dumpDir = path.join(repoRoot, '.responses-stream-dumps');
        fs.mkdirSync(dumpDir, { recursive: true });
        const ts = new Date().toISOString().replace(/[:.]/g, '-');
        const filePath = path.join(dumpDir, `responses-stream-${ts}-${requestId.slice(0, 4)}.log`);
        fs.writeFileSync(filePath, `# Responses API SSE stream dump\n# requestId=${requestId}\n# started=${new Date().toISOString()}\n\n`);
        logService.info(`[responsesAPI] Dumping SSE stream to ${filePath}`);
        return new ResponsesStreamDumper(filePath);
    }
    catch {
        return noopDumper;
    }
}
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