Feature/version diff

.gitignore

@@ -34,6 +34,7 @@ analysis_result/
 backend/results/
 results_json/
 storage/
+profiles/
 
 # ExtAnalysis 분석 임시 디렉토리 및 결과
 ExtAnalysis/lab/

ExtAnalysis/reports.json

@@ -1231,6 +1231,41 @@
             "report_directory": "<reports_path>\\EXA2026161145217",
             "time": "2026-06-10 14:52:18",
             "version": "5.7"
+        },
+        {
+            "id": "EXA2026163053429",
+            "name": "Chrome MCP Server - AI Browser Control",
+            "report_directory": "<reports_path>/EXA2026163053429",
+            "time": "2026-06-12 05:34:30",
+            "version": "1.0.1"
+        },
+        {
+            "id": "EXA2026163054842",
+            "name": "Chrome MCP Server - AI Browser Control",
+            "report_directory": "<reports_path>/EXA2026163054842",
+            "time": "2026-06-12 05:48:43",
+            "version": "1.0.1"
+        },
+        {
+            "id": "EXA2026163062533",
+            "name": "Chrome MCP Server - AI Browser Control",
+            "report_directory": "<reports_path>/EXA2026163062533",
+            "time": "2026-06-12 06:25:35",
+            "version": "1.0.1"
+        },
+        {
+            "id": "EXA2026163071425",
+            "name": "Chrome MCP Server - AI Browser Control",
+            "report_directory": "<reports_path>/EXA2026163071425",
+            "time": "2026-06-12 07:14:29",
+            "version": "1.0.1"
+        },
+        {
+            "id": "EXA2026163071822",
+            "name": "Chrome MCP Server - AI Browser Control",
+            "report_directory": "<reports_path>/EXA2026163071822",
+            "time": "2026-06-12 07:18:23",
+            "version": "1.0.1"
         }
     ]
 }

backend/profile/__init__.py

@@ -0,0 +1,26 @@
+"""Extension Profile: objective, version-by-version change history of an extension.
+
+Records what an extension *is* and how it changes between versions (manifest
+facts, file hashes/sizes, diffs) — not analysis output. See ``builder`` for the
+JSON generator.
+"""
+
+from .builder import (
+    build_profile,
+    build_snapshot,
+    compute_diff,
+    content_hash,
+    is_minified,
+    make_unified_diff,
+    validate_profile,
+)
+
+__all__ = [
+    "build_profile",
+    "build_snapshot",
+    "compute_diff",
+    "content_hash",
+    "is_minified",
+    "make_unified_diff",
+    "validate_profile",
+]