Add optional Continuwuity homeserver service for development/testing

Adds Continuwuity as an alternative to Synapse for local development,
useful for testing baibot compatibility with different homeserver
implementations. Follows the same optional service pattern as localai/ollama.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

etc/services/continuwuity/compose.yml

@@ -0,0 +1,23 @@
+services:
+  continuwuity:
+    image: forgejo.ellis.link/continuwuation/continuwuity:v0.5.5
+    user: "${UID}:${GID}"
+    restart: unless-stopped
+    cap_drop:
+      - ALL
+    read_only: true
+    environment:
+      CONDUWUIT_CONFIG: /etc/continuwuity/continuwuity.toml
+      CONDUWUIT_DATABASE_PATH: /var/lib/continuwuity
+    ports:
+      - "${SERVICE_CONTINUWUITY_BIND_PORT_CLIENT_API}:6167"
+    volumes:
+      - ../../etc/services/continuwuity/config:/etc/continuwuity:ro
+      - ./continuwuity/data:/var/lib/continuwuity
+    tmpfs:
+      - /tmp:rw,noexec,nosuid,size=500m
+
+networks:
+  default:
+    name: ${NETWORK_NAME}
+    external: true

etc/services/continuwuity/config/continuwuity.toml

@@ -0,0 +1,19 @@
+[global]
+server_name = "continuwuity.127.0.0.1.nip.io"
+
+address = "0.0.0.0"
+port = 6167
+
+database_path = "/var/lib/continuwuity"
+
+allow_registration = true
+yes_i_am_very_very_sure_i_want_an_open_registration_server_prone_to_abuse = true
+
+new_user_displayname_suffix = ""
+
+max_request_size = 20_000_000
+
+allow_federation = false
+trusted_servers = ["matrix.org"]
+
+log = "info,state_res=warn,rocket=off,_=off,sled=off"

etc/services/continuwuity/register-user.sh

@@ -0,0 +1,48 @@
+#!/bin/sh
+set -eu
+
+if [ $# -ne 3 ]; then
+	echo "Usage: $0 <env-file> <username> <password>"
+	exit 1
+fi
+
+ENV_FILE="$1"
+USERNAME="$2"
+PASSWORD="$3"
+
+SERVER="http://$(grep '^SERVICE_CONTINUWUITY_BIND_PORT_CLIENT_API=' "${ENV_FILE}" | cut -d= -f2)"
+REGISTER_URL="${SERVER}/_matrix/client/v3/register"
+
+echo "Registering user '${USERNAME}' on ${SERVER}..."
+
+SESSION_RESPONSE=$(curl -s -X POST "${REGISTER_URL}" \
+	-H 'Content-Type: application/json' \
+	-d "{\"username\": \"${USERNAME}\", \"password\": \"${PASSWORD}\"}")
+
+SESSION_ID=$(echo "${SESSION_RESPONSE}" | grep -o '"session":"[^"]*"' | head -1 | cut -d'"' -f4)
+if [ -z "${SESSION_ID}" ]; then
+	echo "Error: Could not get session ID. Response: ${SESSION_RESPONSE}"
+	exit 1
+fi
+
+# Determine the required auth flow from the server response.
+# The first user requires m.login.registration_token (bootstrap token from logs).
+# Subsequent users use m.login.dummy (open registration).
+if echo "${SESSION_RESPONSE}" | grep -q 'm.login.registration_token'; then
+	CONTAINER_ID=$(docker ps -q --filter name=baibot-continuwuity-continuwuity)
+	REG_TOKEN=$(docker logs "${CONTAINER_ID}" 2>&1 | sed 's/\x1b\[[0-9;]*m//g' | grep 'using the registration token' | grep -oP 'registration token \K[A-Za-z0-9]+' | head -1)
+	AUTH_BODY="{\"type\": \"m.login.registration_token\", \"token\": \"${REG_TOKEN}\", \"session\": \"${SESSION_ID}\"}"
+else
+	AUTH_BODY="{\"type\": \"m.login.dummy\", \"session\": \"${SESSION_ID}\"}"
+fi
+
+RESULT=$(curl -s -X POST "${REGISTER_URL}" \
+	-H 'Content-Type: application/json' \
+	-d "{\"username\": \"${USERNAME}\", \"password\": \"${PASSWORD}\", \"auth\": ${AUTH_BODY}}")
+
+if echo "${RESULT}" | grep -q '"user_id"'; then
+	echo "Successfully registered user: $(echo "${RESULT}" | grep -o '"user_id":"[^"]*"' | cut -d'"' -f4)"
+else
+	echo "Registration failed. Response: ${RESULT}"
+	exit 1
+fi

etc/services/env.dist

@@ -3,6 +3,8 @@ SERVICE_SYNAPSE_BIND_PORT_FEDERATION_API=127.0.0.1:42028
 
 SERVICE_ELEMENT_WEB_BIND_PORT_HTTP=127.0.0.1:42025
 
+SERVICE_CONTINUWUITY_BIND_PORT_CLIENT_API=127.0.0.1:42030
+
 SERVICE_OLLAMA_BIND_PORT_HTTP=127.0.0.1:42026
 
 # See https://localai.io/basics/container/#all-in-one-images for the list of available images

justfile

@@ -2,6 +2,11 @@ project_name := "baibot"
 container_image_name := "localhost/baibot"
 project_container_network := "baibot"
 
+admin_username := "admin"
+admin_password := "admin"
+bot_username := "baibot"
+bot_password := "baibot"
+
 mise_data_dir := env("MISE_DATA_DIR", justfile_directory() / "var/mise")
 mise_trusted_config_paths := justfile_directory() / "mise.toml"
 
@@ -80,6 +85,10 @@ docker-compose-localai *extra_args:
 docker-compose-ollama *extra_args:
 	just docker-compose ollama {{ extra_args }}
 
+# Runs a docker-compose command against the continuwuity services
+docker-compose-continuwuity *extra_args:
+	just docker-compose continuwuity {{ extra_args }}
+
 # Runs all core dependency components (in the background)
 services-start: services-prepare (docker-compose-core "up" "-d")
 
@@ -116,6 +125,27 @@ ollama-tail-logs: (docker-compose-ollama "logs" "-f")
 # Prepares Ollama for running
 ollama-prepare: _prepare-var-services-env _prepare-var-services-ollama _prepare-container-network
 
+# Runs Continuwuity (in the background)
+continuwuity-start: continuwuity-prepare (docker-compose-continuwuity "up" "-d")
+
+# Stops Continuwuity
+continuwuity-stop: (docker-compose-continuwuity "down")
+
+# Tails the logs for Continuwuity
+continuwuity-tail-logs: (docker-compose-continuwuity "logs" "-f")
+
+# Prepares Continuwuity for running
+continuwuity-prepare: _prepare-var-services-env _prepare-var-services-continuwuity _prepare-container-network
+
+# Registers a user on Continuwuity via the Matrix Client-Server API
+continuwuity-register-user username password:
+	{{ justfile_directory() }}/etc/services/continuwuity/register-user.sh {{ justfile_directory() }}/var/services/env {{ username }} {{ password }}
+
+# Prepares the Continuwuity user accounts
+continuwuity-users-prepare:
+	just -f {{ justfile_directory() }}/justfile continuwuity-register-user "{{ admin_username }}" "{{ admin_password }}"
+	just -f {{ justfile_directory() }}/justfile continuwuity-register-user "{{ bot_username }}" "{{ bot_password }}"
+
 # Pulls an Ollama model
 ollama-pull-model model_id:
 	just -f {{ justfile_directory() }}/justfile docker-compose-ollama \
@@ -130,8 +160,8 @@ app-container-prepare: _prepare-var-app-container-config_yml _prepare-var-app-co
 
 # Prepares the user accounts
 users-prepare: services-prepare
-	just -f {{ justfile_directory() }}/justfile synapse-register-admin-user "admin" "admin"
+	just -f {{ justfile_directory() }}/justfile synapse-register-admin-user "{{ admin_username }}" "{{ admin_password }}"
-	just -f {{ justfile_directory() }}/justfile synapse-register-regular-user "baibot" "baibot"
+	just -f {{ justfile_directory() }}/justfile synapse-register-regular-user "{{ bot_username }}" "{{ bot_password }}"
 
 # Starts a Postgres CLI (psql)
 postgres-cli: services-prepare (docker-compose-core "exec" "postgres" "/bin/sh" "-c" "'PGUSER=synapse PGPASSWORD=synapse-password PGDATABASE=homeserver psql -h postgres'")
@@ -237,6 +267,14 @@ _prepare-var-services-ollama:
 		mkdir -p var/services/ollama
 	fi
 
+_prepare-var-services-continuwuity:
+	#!/bin/sh
+	cd {{ justfile_directory() }};
+
+	if [ ! -f var/services/continuwuity ]; then
+		mkdir -p var/services/continuwuity/data
+	fi
+
 _prepare-var-services-localai:
 	#!/bin/sh
 	cd {{ justfile_directory() }};