mongodb wrapper in py

Signed-off-by: disqualifier <dev@disqualifier.me>

.gitignore

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+# claude
+CLAUDE.md
+
+# python
+__pycache__/
+*.py[cod]
+*.egg-info/
+build/
+dist/
+.eggs/
+
+# env
+.venv/
+venv/
+.env

README.md

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+# mongo
+
+Async MongoDB wrapper over [motor](https://motor.readthedocs.io/). Thin, opinionated
+helpers for the common paths, with a raw escape hatch for everything else.
+
+## Install
+
+```bash
+# requirements.txt
+mongo @ git+ssh://git@github.com/<org>/mongo.git@v0.1.0
+```
+
+Requires `motor` and `pymongo` (pulled transitively).
+
+## Usage
+
+**Object (preferred)** — one client per process:
+
+```python
+from mongo import Mongo
+
+db = Mongo(conn_string, database)          # attach as bot.db / app.db
+users = await db.get_documents("users", {"active": True})
+await db.close()                            # on shutdown
+```
+
+**Module proxy (back-compat)** — arm once, then call bare:
+
+```python
+import mongo                                # NOT `from mongo import ...`
+mongo.init(conn_string, database)
+users = await mongo.get_documents("users", {"active": True})
+```
+
+Both styles share one client. The proxy exists so legacy call sites keep working
+after a one-line `init()`; new code should use the object.
+
+## Error contract
+
+- **Wrapped methods** log-and-swallow exceptions and return a safe default
+  (`False` / `[]` / `{}` / `0` / `None`). Branch on the result.
+- **`db.collection(name)`** (or `db[name]`) returns the raw motor collection:
+  full driver surface, no swallowing, **raises**. Use it for anything not wrapped
+  (`find_one_and_*` beyond what's exposed, change streams, complex bulk ops).
+
+## API
+
+See the module docstring and method docstrings in `mongo.py` — that's the source
+of truth. Grouped as: collection/index management, create, read, update, delete,
+bulk, checks. Atomic ops (`find_one_and_update/replace/delete`) and `bulk_write`
+are included.
+
+## Gotchas
+
+- `from mongo import func` won't see the proxy (resolved at import, before `init`).
+  Use `import mongo` then `mongo.func(...)`.
+- `find_one_and_update` returns the **after** image by default (`return_after=True`).
+- `bulk_write` takes pymongo ops the caller builds:
+  ```python
+  from pymongo import UpdateOne
+  ops = [UpdateOne({"_id": i}, {"$set": {...}}, upsert=True) for i in ids]
+  await db.bulk_write("col", ops)
+  ```
+
+## Versioning
+
+Tagged `vX.Y.Z`. Pin the tag in `requirements.txt`; bump deliberately.