From 64f003015554411cd1d7fec76087bcc2f52a1fe9 Mon Sep 17 00:00:00 2001
From: Daniel Widgren <daniel.widgren@gmail.com>
Date: Wed, 24 Jun 2026 10:15:00 +0200
Subject: [PATCH] docs: track CLAUDE.md and update stack to kura

Start version-controlling CLAUDE.md so the project notes live with the
code (CLAUDE.md is no longer globally gitignored). Fix the stack line:
persistence is kura (kura_postgres backend), not pgo (removed in #30).
---
 .gitignore |  1 -
 CLAUDE.md  | 45 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 CLAUDE.md

diff --git a/.gitignore b/.gitignore
index 719d11f..4046932 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,5 @@
 _build/
 _checkouts/
 priv/attachments/*
-CLAUDE.md
 .claude/
 *.crashdump
\ No newline at end of file
diff --git a/CLAUDE.md b/CLAUDE.md
new file mode 100644
index 0000000..9da3fe9
--- /dev/null
+++ b/CLAUDE.md
@@ -0,0 +1,45 @@
+# chatli
+
+Erlang/OTP real-time chat backend built on the Nova web framework.
+
+## Stack
+- Erlang/OTP, Nova framework, Cowboy
+- PostgreSQL via kura (kura_postgres backend)
+- JWT auth via jwerl
+- Erlydtl templates
+- WebSocket for real-time delivery
+
+## Build & run
+```bash
+rebar3 compile
+rebar3 shell              # Dev with config/sys.config.local
+rebar3 release            # Production release
+```
+
+## Test & quality
+```bash
+rebar3 ct                 # Common Test
+rebar3 ci                 # compile, dialyzer, xref, fmt, lint
+rebar3 fmt                # erlfmt
+rebar3 lint               # rebar3_lint
+```
+
+## Configuration
+- Port: 8090 (nova.cowboy_configuration.port)
+- DB: PostgreSQL (host: db, port: 5432, user: postgres, pass: root)
+- WebSocket idle timeout: 15s
+- Attachments: ./priv/attachments/
+
+## API routes
+- `/v1/*` — public (signup, login, callbacks, history, heartbeat)
+- `/client/*` — JWT-protected (messages, chats, participants, devices)
+- `/client/device/:deviceid/user/:userid/ws` — WebSocket
+
+## Structure
+- `src/chatli_router.erl` — route definitions
+- `src/chatli_db.erl` — database queries
+- `src/chatli_auth.erl` — JWT auth
+- `src/chatli_ws_srv.erl` — WebSocket server
+- `src/chatli_ws_client.erl` — WebSocket client handler
+- `src/controllers/` — HTTP endpoint handlers
+- `src/plugins/` — Nova middleware