Initial commit: EifelDC - Discord-like Matrix chat platform

Includes server (Rust/Axum API proxy with voice management),
Tauri desktop client with Svelte UI, bot-sdk, Docker infra
(Synapse, PostgreSQL, Coturn, Nginx), and CI/CD pipeline.

infra/synapse/homeserver.yaml

@@ -0,0 +1,88 @@
+server_name: "eifeldc.local"
+
+pid_file: "/data/homeserver.pid"
+
+listeners:
+  - port: 8008
+    type: http
+    tls: false
+    x_forwarded: true
+    bind_addresses: ['0.0.0.0']
+    resources:
+      - names: [client, federation]
+        compress: false
+
+  - port: 8448
+    type: http
+    tls: false
+    x_forwarded: true
+    bind_addresses: ['0.0.0.0']
+    resources:
+      - names: [federation]
+        compress: false
+
+database:
+  name: psycopg2
+  txn_limit: 10000
+  args:
+    user: synapse
+    password: synapse_password
+    database: synapse
+    host: postgres
+    cp_min: 5
+    cp_max: 10
+
+log_config: "/data/log.config"
+
+media_store_path: "/data/media_store"
+uploads_path: "/data/uploads"
+
+registration_enabled: true
+enable_registration: true
+enable_registration_without_verification: true
+
+admin_contact: "admin@eifeldc.local"
+
+macaroon_secret_key: "CHANGE_ME_GENERATE_A_RANDOM_STRING"
+form_secret: "CHANGE_ME_GENERATE_ANOTHER_RANDOM_STRING"
+signing_key_path: "/data/signing.key"
+
+trusted_key_servers:
+  - server_name: "matrix.org"
+
+turn_uris: ["turn:eifeldc.local?transport=udp", "turn:eifeldc.local?transport=tcp"]
+turn_shared_secret: "CHANGE_ME_MATCH_COTURN_SECRET"
+turn_user_lifetime: 86400000
+
+enable_metrics: true
+metrics_port: 9100
+
+rc_message:
+  per_second: 5
+  burst_count: 50
+
+rc_registration:
+  per_second: 0.5
+  burst_count: 3
+
+rc_login:
+  account:
+    per_second: 0.5
+    burst_count: 3
+  address:
+    per_second: 0.5
+    burst_count: 3
+
+rc_joins:
+  local:
+    per_second: 0.1
+    burst_count: 3
+  remote:
+    per_second: 0.01
+    burst_count: 3
+
+app_service_config_files: []
+
+instance_map: {}
+
+stream_writers: {}

infra/synapse/log.config

@@ -0,0 +1,39 @@
+version: 1
+
+formatters:
+  precise:
+    format: '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s - %(message)s'
+
+handlers:
+  console:
+    class: logging.StreamHandler
+    formatter: precise
+    stream: 'ext://sys.stdout'
+
+  file:
+    class: logging.handlers.RotatingFileHandler
+    formatter: precise
+    filename: /data/homeserver.log
+    maxBytes: 10485760
+    backupCount: 3
+    encoding: utf8
+
+loggers:
+  synapse:
+    handlers: [console, file]
+    level: INFO
+    propagate: false
+
+  synapse.storage.SQL:
+    handlers: [console, file]
+    level: WARNING
+    propagate: false
+
+  synapse.federation.transport:
+    handlers: [console, file]
+    level: WARNING
+    propagate: false
+
+root:
+  handlers: [console, file]
+  level: INFO