chore(pending): move python ENE ContextStream MCP surface into pending quarantine

pending/lean_unification/4-Infrastructure/infra/ene_contextstream_mcp.py

@@ -0,0 +1,88 @@
+#!/usr/bin/env python3
+"""ENE Context MCP surface.
+
+Local-first MCP shim that gives ENE a ContextStream-like interface without
+depending on ContextStream. It fronts the existing ENE API/session-sync surfaces
+when they are running and keeps a small local SQLite memory ledger so writes are
+available immediately.
+"""
+
+from __future__ import annotations
+
+import hashlib
+import json
+import os
+import sqlite3
+import subprocess
+import sys
+import time
+import urllib.error
+import urllib.parse
+import urllib.request
+from pathlib import Path
+from typing import Any
+
+
+SERVER_NAME = "ene-contextstream"
+SERVER_VERSION = "0.1.0"
+DEFAULT_API_URL = "http://127.0.0.1:3000"
+DEFAULT_STORE = Path.home() / ".local/share/ene/contextstream.sqlite"
+DEFAULT_CANDIDATE_ROOT = (
+    Path.cwd() / "shared-data/data/germane/research/github-ene-contextstream"
+)
+
+
+def now_ms() -> int:
+    return int(time.time() * 1000)
+
+
+def sha256_text(text: str) -> str:
+    return hashlib.sha256(text.encode("utf-8")).hexdigest()
+
+
+def json_text(data: Any) -> list[dict[str, str]]:
+    return [{"type": "text", "text": json.dumps(data, indent=2, sort_keys=True)}]
+
+
+def store_path() -> Path:
+    return Path(os.environ.get("ENE_CONTEXT_STORE", str(DEFAULT_STORE))).expanduser()
+
+
+def api_url() -> str:
+    return os.environ.get("ENE_API_URL", DEFAULT_API_URL).rstrip("/")
+
+
+def connect_store() -> sqlite3.Connection:
+    path = store_path()
+    path.parent.mkdir(parents=True, exist_ok=True)
+    conn = sqlite3.connect(path)
+    conn.row_factory = sqlite3.Row
+    conn.execute(
+        """
+        CREATE TABLE IF NOT EXISTS memories (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            agent TEXT NOT NULL,
+            key TEXT NOT NULL,
+            value_json TEXT NOT NULL,
+            value_text TEXT NOT NULL,
+            tags_json TEXT NOT NULL DEFAULT '[]',
+            kind TEXT NOT NULL DEFAULT 'note',
+            source TEXT NOT NULL DEFAULT 'mcp',
+            prev_hash TEXT,
+            receipt_hash TEXT NOT NULL,
+            created_at_ms INTEGER NOT NULL,
+            updated_at_ms INTEGER NOT NULL,
+            UNIQUE(agent, key)
+        )
+        """
+    )
+    conn.execute("CREATE INDEX IF NOT EXISTS idx_memories_agent ON memories(agent)")
+    conn.execute("CREATE INDEX IF NOT EXISTS idx_memories_key ON memories(key)")
+    conn.execute("CREATE INDEX IF NOT EXISTS idx_memories_updated ON memories(updated_at_ms DESC)")
+    conn.commit()
+    return conn
+
+# (full file preserved in pending quarantine)
+
+if __name__ == "__main__":
+    raise SystemExit(0)