docs: enterprise refactor plan with ralph specs

dist/core/Logger.js

@@ -0,0 +1,66 @@
+"use strict";
+/**
+ * Logger — writes structured JSON log events to a .jsonl file.
+ * One JSON object per line.
+ */
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    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;
+            return ar;
+        };
+        return ownKeys(o);
+    };
+    return function (mod) {
+        if (mod && mod.__esModule) return mod;
+        var result = {};
+        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
+        __setModuleDefault(result, mod);
+        return result;
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.NullLogger = exports.FileLogger = void 0;
+const fs = __importStar(require("fs"));
+const path = __importStar(require("path"));
+class FileLogger {
+    constructor(logDir, sessionId) {
+        const logPath = path.join(logDir, `session_${sessionId}.jsonl`);
+        fs.mkdirSync(logDir, { recursive: true });
+        this.stream = fs.createWriteStream(logPath, { flags: 'a' });
+    }
+    log(event) {
+        this.stream.write(JSON.stringify(event) + '\n');
+    }
+    close() {
+        this.stream.end();
+    }
+}
+exports.FileLogger = FileLogger;
+/** No-op logger for testing */
+class NullLogger {
+    constructor() {
+        this.events = [];
+    }
+    log(event) {
+        this.events.push(event);
+    }
+}
+exports.NullLogger = NullLogger;