Relicense + brand: Atlas Corporation proprietary (All Rights Reserved)

Replace MIT with the Atlas Corporation Proprietary License; add NOTICE and a
per-file copyright header; brand README + docstring. Atlas lock applied.

LICENSE

@@ -1,21 +1,50 @@
-MIT License
+Atlas Corporation — Proprietary Software License
+Copyright (c) 2026 Atlas Corporation. All Rights Reserved.
 
-Copyright (c) 2026 Atlas Corporation
+This software, including its source code, documentation, and all associated
+materials (collectively, the "Software"), is the exclusive and proprietary
+property of Atlas Corporation ("Atlas"). The Software is a trade secret and
+confidential work of Atlas, protected by copyright and other intellectual
+property laws and treaties.
 
-Permission is hereby granted, free of charge, to any person obtaining a copy
+1. NO LICENSE GRANTED
-of this software and associated documentation files (the "Software"), to deal
+   No license, right, title, or interest in or to the Software is granted,
-in the Software without restriction, including without limitation the rights
+   whether by implication, estoppel, or otherwise, except as expressly set out
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+   in a separate written agreement signed by an authorized officer of Atlas.
-copies of the Software, and to permit persons to whom the Software is
+   Absent such an agreement, you have NO right to use, run, copy, reproduce,
-furnished to do so, subject to the following conditions:
+   modify, adapt, translate, publish, distribute, sublicense, sell, lease, lend,
+   host, or create derivative works of the Software, in whole or in part.
 
-The above copyright notice and this permission notice shall be included in all
+2. AUTHORIZED USE ONLY
-copies or substantial portions of the Software.
+   Any use of the Software is limited strictly to Atlas and to parties expressly
+   authorized in writing by Atlas, and only for the purposes and within the scope
+   Atlas specifies. All rights not expressly granted are reserved by Atlas.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+3. NO REVERSE ENGINEERING / NO REDISTRIBUTION
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   You may not reverse engineer, decompile, or disassemble the Software except to
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+   the extent this restriction is prohibited by applicable law, and you may not
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   remove or alter any proprietary notices, marks, or branding.
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+4. CONFIDENTIALITY
-SOFTWARE.
+   The Software is confidential. You must not disclose it, or any part of it, to
+   any third party without the prior written consent of Atlas.
+
+5. TERMINATION
+   Any authorization granted terminates automatically upon any breach of these
+   terms, at which point you must cease all use and destroy all copies.
+
+6. NO WARRANTY
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE, AND NONINFRINGEMENT.
+
+7. LIMITATION OF LIABILITY
+   IN NO EVENT SHALL ATLAS BE LIABLE FOR ANY CLAIM, DAMAGES, OR OTHER LIABILITY,
+   WHETHER IN AN ACTION OF CONTRACT, TORT, OR OTHERWISE, ARISING FROM, OUT OF, OR
+   IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Unauthorized use, reproduction, or distribution of the Software, or any portion
+of it, may result in severe civil and criminal penalties and will be prosecuted
+to the maximum extent possible under the law.
+
+Atlas Corporation · https://git.atlascorporation.nl · info@atlascorporation.nl

NOTICE

@@ -0,0 +1,9 @@
+═══════════════════════════════════════════════════════════════════════
+  An Atlas Corporation product.
+  Copyright (c) 2026 Atlas Corporation. All Rights Reserved.
+
+  This is proprietary, confidential software. Use is permitted only under a
+  written agreement with Atlas Corporation. See LICENSE for full terms.
+
+  Atlas Corporation · https://git.atlascorporation.nl · info@atlascorporation.nl
+═══════════════════════════════════════════════════════════════════════

README.md

@@ -7,6 +7,8 @@
 *Notes · code · agent transcripts · event logs → one portable file → instant hybrid recall.*
 *No cloud. No API keys. No data egress. Secrets scrubbed before anything is stored.*
 
+**An Atlas Corporation product · © 2026 Atlas Corporation · Proprietary**
+
 </div>
 
 ---
@@ -150,6 +152,12 @@ SecondBrain is the memory layer of a larger local-first autonomy stack. Sister c
 (separate repos) include the **policy-gate** (an approval brake that parks money/comms/
 irreversible actions for a human) and fleet/ingest tooling. See the wiki.
 
-## License
+## License & ownership
 
-MIT © 2026 Atlas Corporation. Contributions welcome.
+**© 2026 Atlas Corporation. All Rights Reserved.**
+
+SecondBrain is **proprietary, confidential software** owned by Atlas Corporation. It is provided
+for reference and for use **only under a written agreement** with Atlas Corporation. No right to
+use, copy, modify, redistribute, or create derivative works is granted absent such an agreement —
+see [`LICENSE`](LICENSE) for the full terms. "Atlas Corporation" and its marks are the property of
+Atlas Corporation.

brain.py

@@ -1,6 +1,9 @@
 #!/usr/bin/env python3
+# SecondBrain — (c) 2026 Atlas Corporation. All Rights Reserved.
+# Proprietary and confidential. Use only under written agreement; see LICENSE.
 """
 SecondBrain — a local-first, privacy-scrubbing personal RAG memory
+An Atlas Corporation product.
 ==================================================================
 An additive knowledge layer you can point at anything you already produce —
 notes, code, chat/agent transcripts, structured event logs — that:
@@ -34,7 +37,8 @@ Then:
   recall "<query>" [--hybrid]  retrieve (dense, or dense+lexical fused)
   stats                        counts + coverage
 
-License: MIT.  Project home: https://git.atlascorporation.nl/atlas/secondbrain
+(c) 2026 Atlas Corporation. All Rights Reserved. Proprietary — see LICENSE.
+Project home: https://git.atlascorporation.nl/atlas/secondbrain
 """
 import os, sys, json, re, sqlite3, hashlib, time, glob, argparse
 import sqlite_vec