language: zh-CN

server:
  port: 8083
  # Custom platform / instance branding (optional)
  companyName: ""
  companyLogoUrl: ""
  # Reverse proxies in front of the application, as CIDR blocks. Gin's own default
  # trusts every peer, which makes X-Forwarded-For authoritative and lets any
  # caller choose the client address the server records in the login credential
  # log and in user.last_login_ip. Left empty this falls back to the loopback,
  # RFC1918, IPv6 unique-local and link-local ranges, which covers a sidecar
  # tunnel, a compose network and a local nginx. Set it explicitly when the proxy
  # sits on a public address, and never set it to 0.0.0.0/0.
  trustedProxies: []
  # Set to "cloudflare" (also accepted: "fly.io", "google-app-engine", or a literal
  # header name) when an edge overwrites rather than appends the real client
  # address. When set it takes precedence over X-Forwarded-For entirely.
  trustedPlatform: ""
  rateLimit:
    # Bounds how often one client address may call the public, unauthenticated
    # endpoints: login, support registration, the widget session exchange, message
    # uploads and documentation feedback. Enabled by default.
    #
    # Channel webhooks under /api/third, the websocket routes, /api/webhooks and
    # the whole authenticated dashboard are deliberately NOT covered. A platform
    # that receives a 429 from its webhook stops retrying and eventually disables
    # the delivery, which takes an entire channel offline.
    #
    # The counters live in this process. Running several replicas gives each one
    # its own budget, which weakens the bound by the replica count; these limits
    # exist to make flooding expensive, not to meter a quota.
    enabled: true
    windowSeconds: 60
  cors:
    # Browser CORS allowlist. In production, replace this with the actual frontend or embedded-site domains, such as https://support.example.com.
    # Leave it empty to reject cross-origin browser requests. Same-origin and non-browser calls are still supported.
    allowedOrigins:
      - http://127.0.0.1:8083
      - http://localhost:8083

db:
  # Database driver. Supported values: sqlite, mysql, postgres (or postgresql).
  type: sqlite
  # Database connection string.
  # SQLite example: file:./data/app.db?_busy_timeout=5000
  # MySQL example: user:password@tcp(127.0.0.1:3306)/cs_ai_agent_db?charset=utf8mb4&parseTime=True&multiStatements=true&loc=Local
  # PostgreSQL (Supabase Session Pooler) example:
  #   dsn: "host=aws-1-ap-southeast-1.pooler.supabase.com user=postgres.gulptwduchsjcsbndmua password=<PASSWORD> dbname=postgres port=5432 sslmode=require search_path=desk"
  # PostgreSQL URI example:
  #   dsn: "postgresql://postgres.gulptwduchsjcsbndmua:<PASSWORD>@aws-1-ap-southeast-1.pooler.supabase.com:5432/postgres?sslmode=require&search_path=desk"
  # For MySQL, keep parseTime=True so datetime fields are scanned into Go time values correctly.
  dsn: file:./data/app.db?_busy_timeout=5000
  # Maximum number of idle connections kept in the pool. Values <= 0 use the database/sql default.
  maxIdleConns: 5
  # Maximum number of open connections. Values <= 0 mean no explicit limit.
  maxOpenConns: 20
  # Maximum time an idle connection may stay in the pool, in seconds. Values <= 0 leave it unset.
  connMaxIdleTimeSeconds: 300
  # Maximum lifetime of a connection, in seconds. Values <= 0 leave it unset.
  connMaxLifetimeSeconds: 1800

logger:
  level: info
  format: text
  addSource: false

auth:
  # Enable username and password login. When set to false, users must sign in with SSO (e.g. OIDC).
  # Default is true.
  passwordLoginEnabled: true
  # Login access token lifetime, in hours. Values <= 0 fall back to 12 hours.
  # Applies to password login and OIDC login sessions.
  tokenTTLHours: 12
  # Maximum failed password attempts allowed within the lock window.
  # Values <= 0 disable credential lockout.
  maxFailedAttempts: 5
  # Failed-login lock window, in minutes. When maxFailedAttempts is reached within this window, login is temporarily blocked.
  # Values <= 0 fall back to 15 minutes when lockout is enabled.
  credentialLockMinute: 15

customerSession:
  # Signing secret for customer service session tokens. Use a separate, high-entropy random string; do not reuse the channel userTokenSecret.
  secret: ""
  # Default lifetime for customer service session tokens, in minutes.
  ttlMinutes: 120
  # Automatically refresh the token when its remaining lifetime falls below this value, in minutes.
  refreshThresholdMinutes: 30

identity:
  # Deployment-wide shared secret a host platform uses to sign the external
  # visitor ID it passes to the widget. The host computes, with this same secret:
  #
  #   signature = hex(HMAC-SHA256(secret, channelId + "\n" + externalId + "\n" + issuedAt))
  #
  # where issuedAt is unix seconds, and sends both values as
  # externalIdSignature / externalIdSignedAt (or the X-External-Id-Signature and
  # X-External-Id-Signed-At headers).
  #
  # Two details are deliberate. The channel id is part of the payload because
  # visitor identities are stored globally, so a signature minted for one
  # channel must not assert the same identity on another. The timestamp is part
  # of the signed bytes even though it also travels as its own field, so a
  # captured signature cannot be re-dated.
  #
  # Leave empty to disable the feature. A visitor whose signature is missing or
  # wrong is then always treated as an anonymous guest, never as an identified
  # user, so an unsigned embed keeps working unchanged.
  secret: ""
  # How long a signed identity stays acceptable, in minutes. This bounds how
  # long a leaked signature can be replayed; it is not needed to protect the
  # secret, which HMAC does not allow to be derived. A small forward clock skew
  # is always tolerated. Values <= 0 fall back to 1440 (24 hours).
  maxAgeMinutes: 1440

conversation:
  # How many not-yet-closed conversations one visitor may have at a time.
  # This protects agents rather than the visitor: every open conversation is
  # real work, and in human-only mode opening one dispatches an agent at once.
  # Without a cap a single caller could flood the queue, and the visitor cannot
  # undo that by closing a conversation - they may need it kept open.
  # Unset or 0 means 3; use -1 to remove the cap entirely.
  customerMaxOpen: 3
  # How long a chat still counts as being watched, in minutes. An email that
  # arrives while a chat is live is appended to that chat and the visitor is
  # asked to continue there, because they are present in the chat and absent
  # from their inbox. Past this window the chat counts as abandoned and the
  # email becomes its own conversation. Unset or 0 means 30.
  emailChatLiveMinutes: 30

storage:
  # Default file storage provider used for uploads. Supported values: local, oss.
  # Empty value is treated as local by the backend.
  default: local
  # Maximum size of a single uploaded file, in MB. Values <= 0 fall back to the backend default.
  maxUploadSizeMB: 20
  local:
    # Files are written under this directory, relative to the process working directory unless an absolute path is used.
    root: data/storage
    # Public URL prefix used when returning local file URLs. The server must expose this path as static files.
    # Example: storage key "images/a.png" becomes "/storage/images/a.png".
    baseUrl: /storage
  oss:
    # Aliyun OSS endpoint. Both "oss-cn-hangzhou.aliyuncs.com" and "https://oss-cn-hangzhou.aliyuncs.com" are accepted.
    endpoint: ""
    # OSS bucket name.
    bucket: ""
    # OSS access credentials. Keep the secret out of committed environment-specific config.
    accessKeyId: ""
    accessKeySecret: ""
    # Optional public CDN/custom domain prefix for object URLs, for example https://files.example.com.
    # If empty, public buckets use the default bucket endpoint URL; private buckets use signed URLs.
    baseUrl: ""
    # Set to true for private buckets. Private buckets return temporary signed URLs for reads.
    private: false
    # Expiration for generated OSS signed GET URLs, in seconds. Values <= 0 fall back to 600.
    signedUrlExpireSeconds: 600

vectorDB:
  type: qdrant # qdrant, lancedb
  qdrant:
    host: 127.0.0.1
    grpcPort: 6334
    apiKey: ""
    useTls: false
  # LanceDB requires building the backend with -tags lancedb and LanceDB native libraries.
  lancedb:
    path: data/lancedb

mcp:
  # Global switch for MCP tool integration.
  # When false, MCP tool catalog, debug endpoints, and runtime tool calls are disabled.
  enabled: true
  # MCP server registry. Each map key is the serverCode used by toolCode values like "system/tool_name".
  servers:
    system:
      # Whether this MCP server is available for catalog listing, debug calls, and agent runtime calls.
      enabled: true
      # Streamable HTTP MCP endpoint. The built-in system server is exposed by this backend at /api/mcp.
      endpoint: "http://127.0.0.1:8083/api/mcp"
      # Connection and request timeout in milliseconds. Values <= 0 fall back to 15000.
      timeoutMs: 15000
      # Extra HTTP headers sent to this MCP server on every request, for example Authorization or tenant headers.
      headers: {}

oidc:
  # Whether to enable OIDC login. This system acts as the OIDC client.
  enabled: false
  # OIDC provider issuer, for example https://idp.example.com/realms/demo.
  issuer: ""
  clientId: ""
  clientSecret: ""
  # Must exactly match the redirect_uri registered with the OIDC provider.
  redirectUrl: "http://127.0.0.1:8083/api/auth/oidc_callback"
  # Signing secret for the OIDC login state. If left empty, clientSecret is used as the fallback.
  stateSecret: ""
  scopes:
    - openid
    - profile
    - email