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kernel.rs
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7091 lines (6520 loc) · 285 KB
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//! OpenFangKernel — assembles all subsystems and provides the main API.
use crate::auth::AuthManager;
use crate::background::{self, BackgroundExecutor};
use crate::capabilities::CapabilityManager;
use crate::config::load_config;
use crate::error::{KernelError, KernelResult};
use crate::event_bus::EventBus;
use crate::metering::MeteringEngine;
use crate::registry::AgentRegistry;
use crate::scheduler::AgentScheduler;
use crate::supervisor::Supervisor;
use crate::triggers::{TriggerEngine, TriggerId, TriggerPattern};
use crate::workflow::{StepAgent, Workflow, WorkflowEngine, WorkflowId, WorkflowRunId};
use openfang_memory::MemorySubstrate;
use openfang_runtime::agent_loop::{
run_agent_loop, run_agent_loop_streaming, strip_provider_prefix, AgentLoopResult,
};
use openfang_runtime::audit::AuditLog;
use openfang_runtime::drivers;
use openfang_runtime::kernel_handle::{self, KernelHandle};
use openfang_runtime::llm_driver::{
CompletionRequest, CompletionResponse, DriverConfig, LlmDriver, LlmError, StreamEvent,
};
use openfang_runtime::python_runtime::{self, PythonConfig};
use openfang_runtime::routing::ModelRouter;
use openfang_runtime::sandbox::{SandboxConfig, WasmSandbox};
use openfang_runtime::tool_runner::builtin_tool_definitions;
use openfang_types::agent::*;
use openfang_types::capability::Capability;
use openfang_types::config::{KernelConfig, OutputFormat};
use openfang_types::error::OpenFangError;
use openfang_types::event::*;
use openfang_types::memory::Memory;
use openfang_types::tool::ToolDefinition;
use async_trait::async_trait;
use std::path::{Path, PathBuf};
use std::sync::{Arc, OnceLock, Weak};
use tracing::{debug, info, warn};
/// The main OpenFang kernel — coordinates all subsystems.
/// Stub LLM driver used when no providers are configured.
/// Returns a helpful error so the dashboard still boots and users can configure providers.
struct StubDriver;
#[async_trait]
impl LlmDriver for StubDriver {
async fn complete(&self, _request: CompletionRequest) -> Result<CompletionResponse, LlmError> {
Err(LlmError::MissingApiKey(
"No LLM provider configured. Set an API key (e.g. GROQ_API_KEY) and restart, \
configure a provider via the dashboard, \
or use Ollama for local models (no API key needed)."
.to_string(),
))
}
}
pub struct OpenFangKernel {
/// Kernel configuration.
pub config: KernelConfig,
/// Agent registry.
pub registry: AgentRegistry,
/// Capability manager.
pub capabilities: CapabilityManager,
/// Event bus.
pub event_bus: EventBus,
/// Agent scheduler.
pub scheduler: AgentScheduler,
/// Memory substrate.
pub memory: Arc<MemorySubstrate>,
/// Process supervisor.
pub supervisor: Supervisor,
/// Workflow engine.
pub workflows: WorkflowEngine,
/// Event-driven trigger engine.
pub triggers: TriggerEngine,
/// Background agent executor.
pub background: BackgroundExecutor,
/// Merkle hash chain audit trail.
pub audit_log: Arc<AuditLog>,
/// Cost metering engine.
pub metering: Arc<MeteringEngine>,
/// Default LLM driver (from kernel config).
default_driver: Arc<dyn LlmDriver>,
/// WASM sandbox engine (shared across all WASM agent executions).
wasm_sandbox: WasmSandbox,
/// RBAC authentication manager.
pub auth: AuthManager,
/// Model catalog registry (RwLock for auth status refresh from API).
pub model_catalog: std::sync::RwLock<openfang_runtime::model_catalog::ModelCatalog>,
/// Skill registry for plugin skills (RwLock for hot-reload on install/uninstall).
pub skill_registry: std::sync::RwLock<openfang_skills::registry::SkillRegistry>,
/// Tracks running agent tasks for cancellation support.
pub running_tasks: dashmap::DashMap<AgentId, tokio::task::AbortHandle>,
/// MCP server connections (lazily initialized at start_background_agents).
pub mcp_connections: tokio::sync::Mutex<Vec<openfang_runtime::mcp::McpConnection>>,
/// MCP tool definitions cache (populated after connections are established).
pub mcp_tools: std::sync::Mutex<Vec<ToolDefinition>>,
/// A2A task store for tracking task lifecycle.
pub a2a_task_store: openfang_runtime::a2a::A2aTaskStore,
/// Discovered external A2A agent cards.
pub a2a_external_agents: std::sync::Mutex<Vec<(String, openfang_runtime::a2a::AgentCard)>>,
/// Web tools context (multi-provider search + SSRF-protected fetch + caching).
pub web_ctx: openfang_runtime::web_search::WebToolsContext,
/// Browser automation manager (Playwright bridge sessions).
pub browser_ctx: openfang_runtime::browser::BrowserManager,
/// Media understanding engine (image description, audio transcription).
pub media_engine: openfang_runtime::media_understanding::MediaEngine,
/// Text-to-speech engine.
pub tts_engine: openfang_runtime::tts::TtsEngine,
/// Device pairing manager.
pub pairing: crate::pairing::PairingManager,
/// Embedding driver for vector similarity search (None = text fallback).
pub embedding_driver:
Option<Arc<dyn openfang_runtime::embedding::EmbeddingDriver + Send + Sync>>,
/// Hand registry — curated autonomous capability packages.
pub hand_registry: openfang_hands::registry::HandRegistry,
/// Credential resolver — vault → dotenv → env var priority chain.
pub credential_resolver: std::sync::Mutex<openfang_extensions::credentials::CredentialResolver>,
/// Extension/integration registry (bundled MCP templates + install state).
pub extension_registry: std::sync::RwLock<openfang_extensions::registry::IntegrationRegistry>,
/// Integration health monitor.
pub extension_health: openfang_extensions::health::HealthMonitor,
/// Effective MCP server list (manual config + extension-installed, merged at boot).
pub effective_mcp_servers: std::sync::RwLock<Vec<openfang_types::config::McpServerConfigEntry>>,
/// Delivery receipt tracker (bounded LRU, max 10K entries).
pub delivery_tracker: DeliveryTracker,
/// Cron job scheduler.
pub cron_scheduler: crate::cron::CronScheduler,
/// Execution approval manager.
pub approval_manager: crate::approval::ApprovalManager,
/// Agent bindings for multi-account routing (Mutex for runtime add/remove).
pub bindings: std::sync::Mutex<Vec<openfang_types::config::AgentBinding>>,
/// Broadcast configuration.
pub broadcast: openfang_types::config::BroadcastConfig,
/// Auto-reply engine.
pub auto_reply_engine: crate::auto_reply::AutoReplyEngine,
/// Plugin lifecycle hook registry.
pub hooks: openfang_runtime::hooks::HookRegistry,
/// Persistent process manager for interactive sessions (REPLs, servers).
pub process_manager: Arc<openfang_runtime::process_manager::ProcessManager>,
/// OFP peer registry — tracks connected peers (OnceLock for safe init after Arc creation).
pub peer_registry: OnceLock<openfang_wire::PeerRegistry>,
/// OFP peer node — the local networking node (OnceLock for safe init after Arc creation).
pub peer_node: OnceLock<Arc<openfang_wire::PeerNode>>,
/// Boot timestamp for uptime calculation.
pub booted_at: std::time::Instant,
/// WhatsApp Web gateway child process PID (for shutdown cleanup).
pub whatsapp_gateway_pid: Arc<std::sync::Mutex<Option<u32>>>,
/// Channel adapters registered at bridge startup (for proactive `channel_send` tool).
pub channel_adapters:
dashmap::DashMap<String, Arc<dyn openfang_channels::types::ChannelAdapter>>,
/// Hot-reloadable default model override (set via config hot-reload, read at agent spawn).
pub default_model_override:
std::sync::RwLock<Option<openfang_types::config::DefaultModelConfig>>,
/// Per-agent message locks — serializes LLM calls for the same agent to prevent
/// session corruption when multiple messages arrive concurrently (e.g. rapid voice
/// messages via Telegram). Different agents can still run in parallel.
agent_msg_locks: dashmap::DashMap<AgentId, Arc<tokio::sync::Mutex<()>>>,
/// Weak self-reference for trigger dispatch (set after Arc wrapping).
self_handle: OnceLock<Weak<OpenFangKernel>>,
}
/// Bounded in-memory delivery receipt tracker.
/// Stores up to `MAX_RECEIPTS` most recent delivery receipts per agent.
pub struct DeliveryTracker {
receipts: dashmap::DashMap<AgentId, Vec<openfang_channels::types::DeliveryReceipt>>,
}
impl Default for DeliveryTracker {
fn default() -> Self {
Self::new()
}
}
impl DeliveryTracker {
const MAX_RECEIPTS: usize = 10_000;
const MAX_PER_AGENT: usize = 500;
/// Create a new empty delivery tracker.
pub fn new() -> Self {
Self {
receipts: dashmap::DashMap::new(),
}
}
/// Record a delivery receipt for an agent.
pub fn record(&self, agent_id: AgentId, receipt: openfang_channels::types::DeliveryReceipt) {
let mut entry = self.receipts.entry(agent_id).or_default();
entry.push(receipt);
// Per-agent cap
if entry.len() > Self::MAX_PER_AGENT {
let drain = entry.len() - Self::MAX_PER_AGENT;
entry.drain(..drain);
}
// Global cap: evict oldest agents' receipts if total exceeds limit
drop(entry);
let total: usize = self.receipts.iter().map(|e| e.value().len()).sum();
if total > Self::MAX_RECEIPTS {
// Simple eviction: remove oldest entries from first agent found
if let Some(mut oldest) = self.receipts.iter_mut().next() {
let to_remove = total - Self::MAX_RECEIPTS;
let drain = to_remove.min(oldest.value().len());
oldest.value_mut().drain(..drain);
}
}
}
/// Get recent delivery receipts for an agent (newest first).
pub fn get_receipts(
&self,
agent_id: AgentId,
limit: usize,
) -> Vec<openfang_channels::types::DeliveryReceipt> {
self.receipts
.get(&agent_id)
.map(|entries| entries.iter().rev().take(limit).cloned().collect())
.unwrap_or_default()
}
/// Create a receipt for a successful send.
pub fn sent_receipt(
channel: &str,
recipient: &str,
) -> openfang_channels::types::DeliveryReceipt {
openfang_channels::types::DeliveryReceipt {
message_id: uuid::Uuid::new_v4().to_string(),
channel: channel.to_string(),
recipient: Self::sanitize_recipient(recipient),
status: openfang_channels::types::DeliveryStatus::Sent,
timestamp: chrono::Utc::now(),
error: None,
}
}
/// Create a receipt for a failed send.
pub fn failed_receipt(
channel: &str,
recipient: &str,
error: &str,
) -> openfang_channels::types::DeliveryReceipt {
openfang_channels::types::DeliveryReceipt {
message_id: uuid::Uuid::new_v4().to_string(),
channel: channel.to_string(),
recipient: Self::sanitize_recipient(recipient),
status: openfang_channels::types::DeliveryStatus::Failed,
timestamp: chrono::Utc::now(),
// Sanitize error: no credentials, max 256 chars
error: Some(
error
.chars()
.take(256)
.collect::<String>()
.replace(|c: char| c.is_control(), ""),
),
}
}
/// Sanitize recipient to avoid PII logging.
fn sanitize_recipient(recipient: &str) -> String {
let s: String = recipient
.chars()
.filter(|c| !c.is_control())
.take(64)
.collect();
s
}
}
/// Create workspace directory structure for an agent.
fn ensure_workspace(workspace: &Path) -> KernelResult<()> {
for subdir in &["data", "output", "sessions", "skills", "logs", "memory"] {
std::fs::create_dir_all(workspace.join(subdir)).map_err(|e| {
KernelError::OpenFang(OpenFangError::Internal(format!(
"Failed to create workspace dir {}/{subdir}: {e}",
workspace.display()
)))
})?;
}
// Write agent metadata file (best-effort)
let meta = serde_json::json!({
"created_at": chrono::Utc::now().to_rfc3339(),
"workspace": workspace.display().to_string(),
});
let _ = std::fs::write(
workspace.join("AGENT.json"),
serde_json::to_string_pretty(&meta).unwrap_or_default(),
);
Ok(())
}
/// Generate workspace identity files for an agent (SOUL.md, USER.md, TOOLS.md, MEMORY.md).
/// Uses `create_new` to never overwrite existing files (preserves user edits).
fn generate_identity_files(workspace: &Path, manifest: &AgentManifest) {
use std::fs::OpenOptions;
use std::io::Write;
let soul_content = format!(
"# Soul\n\
You are {}. {}\n\
Be genuinely helpful. Have opinions. Be resourceful before asking.\n\
Treat user data with respect \u{2014} you are a guest in their life.\n",
manifest.name,
if manifest.description.is_empty() {
"You are a helpful AI agent."
} else {
&manifest.description
}
);
let user_content = "# User\n\
<!-- Updated by the agent as it learns about the user -->\n\
- Name:\n\
- Timezone:\n\
- Preferences:\n";
let tools_content = "# Tools & Environment\n\
<!-- Agent-specific environment notes (not synced) -->\n";
let memory_content = "# Long-Term Memory\n\
<!-- Curated knowledge the agent preserves across sessions -->\n";
let agents_content = "# Agent Behavioral Guidelines\n\n\
## Core Principles\n\
- Act first, narrate second. Use tools to accomplish tasks rather than describing what you'd do.\n\
- Batch tool calls when possible \u{2014} don't output reasoning between each call.\n\
- When a task is ambiguous, ask ONE clarifying question, not five.\n\
- Store important context in memory (memory_store) proactively.\n\
- Search memory (memory_recall) before asking the user for context they may have given before.\n\n\
## Tool Usage Protocols\n\
- file_read BEFORE file_write \u{2014} always understand what exists.\n\
- web_search for current info, web_fetch for specific URLs.\n\
- browser_* for interactive sites that need clicks/forms.\n\
- shell_exec: explain destructive commands before running.\n\n\
## Response Style\n\
- Lead with the answer or result, not process narration.\n\
- Keep responses concise unless the user asks for detail.\n\
- Use formatting (headers, lists, code blocks) for readability.\n\
- If a task fails, explain what went wrong and suggest alternatives.\n";
let bootstrap_content = format!(
"# First-Run Bootstrap\n\n\
On your FIRST conversation with a new user, follow this protocol:\n\n\
1. **Greet** \u{2014} Introduce yourself as {name} with a one-line summary of your specialty.\n\
2. **Discover** \u{2014} Ask the user's name and one key preference relevant to your domain.\n\
3. **Store** \u{2014} Use memory_store to save: user_name, their preference, and today's date as first_interaction.\n\
4. **Orient** \u{2014} Briefly explain what you can help with (2-3 bullet points, not a wall of text).\n\
5. **Serve** \u{2014} If the user included a request in their first message, handle it immediately after steps 1-3.\n\n\
After bootstrap, this protocol is complete. Focus entirely on the user's needs.\n",
name = manifest.name
);
let identity_content = format!(
"---\n\
name: {name}\n\
archetype: assistant\n\
vibe: helpful\n\
emoji:\n\
avatar_url:\n\
greeting_style: warm\n\
color:\n\
---\n\
# Identity\n\
<!-- Visual identity and personality at a glance. Edit these fields freely. -->\n",
name = manifest.name
);
let files: &[(&str, &str)] = &[
("SOUL.md", &soul_content),
("USER.md", user_content),
("TOOLS.md", tools_content),
("MEMORY.md", memory_content),
("AGENTS.md", agents_content),
("BOOTSTRAP.md", &bootstrap_content),
("IDENTITY.md", &identity_content),
];
// Conditionally generate HEARTBEAT.md for autonomous agents
let heartbeat_content = if manifest.autonomous.is_some() {
Some(
"# Heartbeat Checklist\n\
<!-- Proactive reminders to check during heartbeat cycles -->\n\n\
## Every Heartbeat\n\
- [ ] Check for pending tasks or messages\n\
- [ ] Review memory for stale items\n\n\
## Daily\n\
- [ ] Summarize today's activity for the user\n\n\
## Weekly\n\
- [ ] Archive old sessions and clean up memory\n"
.to_string(),
)
} else {
None
};
for (filename, content) in files {
match OpenOptions::new()
.write(true)
.create_new(true)
.open(workspace.join(filename))
{
Ok(mut f) => {
let _ = f.write_all(content.as_bytes());
}
Err(_) => {
// File already exists — preserve user edits
}
}
}
// Write HEARTBEAT.md for autonomous agents
if let Some(ref hb) = heartbeat_content {
match OpenOptions::new()
.write(true)
.create_new(true)
.open(workspace.join("HEARTBEAT.md"))
{
Ok(mut f) => {
let _ = f.write_all(hb.as_bytes());
}
Err(_) => {
// File already exists — preserve user edits
}
}
}
}
/// Append an assistant response summary to the daily memory log (best-effort, append-only).
/// Caps daily log at 1MB to prevent unbounded growth.
fn append_daily_memory_log(workspace: &Path, response: &str) {
use std::io::Write;
let trimmed = response.trim();
if trimmed.is_empty() {
return;
}
let today = chrono::Utc::now().format("%Y-%m-%d").to_string();
let log_path = workspace.join("memory").join(format!("{today}.md"));
// Security: cap total daily log to 1MB
if let Ok(metadata) = std::fs::metadata(&log_path) {
if metadata.len() > 1_048_576 {
return;
}
}
// Truncate long responses for the log (UTF-8 safe)
let summary = openfang_types::truncate_str(trimmed, 500);
let timestamp = chrono::Utc::now().format("%H:%M:%S").to_string();
if let Ok(mut f) = std::fs::OpenOptions::new()
.create(true)
.append(true)
.open(&log_path)
{
let _ = writeln!(f, "\n## {timestamp}\n{summary}\n");
}
}
/// Read a workspace identity file with a size cap to prevent prompt stuffing.
/// Returns None if the file doesn't exist or is empty.
fn read_identity_file(workspace: &Path, filename: &str) -> Option<String> {
const MAX_IDENTITY_FILE_BYTES: usize = 32_768; // 32KB cap
let path = workspace.join(filename);
// Security: ensure path stays inside workspace
match path.canonicalize() {
Ok(canonical) => {
if let Ok(ws_canonical) = workspace.canonicalize() {
if !canonical.starts_with(&ws_canonical) {
return None; // path traversal attempt
}
}
}
Err(_) => return None, // file doesn't exist
}
let content = std::fs::read_to_string(&path).ok()?;
if content.trim().is_empty() {
return None;
}
if content.len() > MAX_IDENTITY_FILE_BYTES {
Some(openfang_types::truncate_str(&content, MAX_IDENTITY_FILE_BYTES).to_string())
} else {
Some(content)
}
}
/// Get the system hostname as a String.
fn gethostname() -> Option<String> {
#[cfg(unix)]
{
std::process::Command::new("hostname")
.output()
.ok()
.and_then(|out| String::from_utf8(out.stdout).ok())
.map(|s| s.trim().to_string())
}
#[cfg(windows)]
{
std::env::var("COMPUTERNAME").ok()
}
#[cfg(not(any(unix, windows)))]
{
None
}
}
impl OpenFangKernel {
/// Boot the kernel with configuration from the given path.
pub fn boot(config_path: Option<&Path>) -> KernelResult<Self> {
let config = load_config(config_path);
Self::boot_with_config(config)
}
/// Fetch live Copilot models by exchanging the persisted token and querying the API.
/// Works both inside and outside a tokio runtime.
fn fetch_copilot_models(openfang_dir: &Path) -> Result<Vec<String>, String> {
use openfang_runtime::drivers::copilot;
let tokens = copilot::PersistedTokens::load(&openfang_dir.to_path_buf())
.ok_or("No persisted Copilot tokens found")?;
let fetch = async {
let http = reqwest::Client::builder()
.timeout(std::time::Duration::from_secs(10))
.build()
.map_err(|e| format!("HTTP client error: {e}"))?;
let ct = copilot::exchange_copilot_token(&http, &tokens.access_token).await?;
copilot::fetch_models(&http, &ct.base_url, &ct.token).await
};
// If we're already inside a tokio runtime (daemon start), use the existing one.
// Otherwise (CLI commands), create a new one.
if let Ok(handle) = tokio::runtime::Handle::try_current() {
std::thread::scope(|s| {
s.spawn(|| {
handle.block_on(fetch)
}).join().unwrap_or(Err("Thread panicked".to_string()))
})
} else {
let rt = tokio::runtime::Runtime::new()
.map_err(|e| format!("Failed to create runtime: {e}"))?;
rt.block_on(fetch)
}
}
/// Boot the kernel with an explicit configuration.
pub fn boot_with_config(mut config: KernelConfig) -> KernelResult<Self> {
if rustls::crypto::ring::default_provider()
.install_default()
.is_err()
{
debug!("rustls crypto provider already installed, skipping");
}
use openfang_types::config::KernelMode;
// Env var overrides — useful for Docker where config.toml is baked in.
if let Ok(listen) = std::env::var("OPENFANG_LISTEN") {
config.api_listen = listen;
}
// OPENFANG_API_KEY: env var sets the API authentication key when
// config.toml doesn't already have one. Config file takes precedence.
if config.api_key.trim().is_empty() {
if let Ok(key) = std::env::var("OPENFANG_API_KEY") {
let key = key.trim().to_string();
if !key.is_empty() {
info!("Using API key from OPENFANG_API_KEY environment variable");
config.api_key = key;
}
}
}
// Clamp configuration bounds to prevent zero-value or unbounded misconfigs
config.clamp_bounds();
match config.mode {
KernelMode::Stable => {
info!("Booting OpenFang kernel in STABLE mode — conservative defaults enforced");
}
KernelMode::Dev => {
warn!("Booting OpenFang kernel in DEV mode — experimental features enabled");
}
KernelMode::Default => {
info!("Booting OpenFang kernel...");
}
}
// Validate configuration and log warnings
let warnings = config.validate();
for w in &warnings {
warn!("Config: {}", w);
}
// Ensure data directory exists
std::fs::create_dir_all(&config.data_dir)
.map_err(|e| KernelError::BootFailed(format!("Failed to create data dir: {e}")))?;
// Initialize memory substrate
let db_path = config
.memory
.sqlite_path
.clone()
.unwrap_or_else(|| config.data_dir.join("openfang.db"));
let memory = Arc::new(
MemorySubstrate::open(&db_path, config.memory.decay_rate, &config.memory)
.map_err(|e| KernelError::BootFailed(format!("Memory init failed: {e}")))?,
);
// Initialize credential resolver (vault → dotenv → env var)
let credential_resolver = {
let vault_path = config.home_dir.join("vault.enc");
let vault = if vault_path.exists() {
let mut v = openfang_extensions::vault::CredentialVault::new(vault_path);
match v.unlock() {
Ok(()) => {
info!("Credential vault unlocked ({} entries)", v.len());
Some(v)
}
Err(e) => {
warn!("Credential vault exists but could not unlock: {e} — falling back to env vars");
None
}
}
} else {
None
};
let dotenv_path = config.home_dir.join(".env");
openfang_extensions::credentials::CredentialResolver::new(vault, Some(&dotenv_path))
};
// Create LLM driver.
// For the API key, try: 1) credential resolver (vault → dotenv → env var),
// 2) provider_api_keys mapping, 3) convention {PROVIDER}_API_KEY.
let default_api_key = {
let env_var = if !config.default_model.api_key_env.is_empty() {
config.default_model.api_key_env.clone()
} else {
config.resolve_api_key_env(&config.default_model.provider)
};
credential_resolver
.resolve(&env_var)
.map(|z: zeroize::Zeroizing<String>| z.to_string())
};
let driver_config = DriverConfig {
provider: config.default_model.provider.clone(),
api_key: default_api_key,
base_url: config.default_model.base_url.clone().or_else(|| {
config
.provider_urls
.get(&config.default_model.provider)
.cloned()
}),
skip_permissions: true,
};
// Primary driver failure is non-fatal: the dashboard should remain accessible
// even if the LLM provider is misconfigured. Users can fix config via dashboard.
let primary_result = drivers::create_driver(&driver_config);
let mut driver_chain: Vec<Arc<dyn LlmDriver>> = Vec::new();
match &primary_result {
Ok(d) => driver_chain.push(d.clone()),
Err(e) => {
warn!(
provider = %config.default_model.provider,
error = %e,
"Primary LLM driver init failed — trying auto-detect"
);
// Auto-detect: scan env for any configured provider key
if let Some((provider, model, env_var)) = drivers::detect_available_provider() {
let auto_config = DriverConfig {
provider: provider.to_string(),
api_key: credential_resolver
.resolve(env_var)
.map(|z: zeroize::Zeroizing<String>| z.to_string()),
base_url: config.provider_urls.get(provider).cloned(),
skip_permissions: true,
};
match drivers::create_driver(&auto_config) {
Ok(d) => {
info!(
provider = %provider,
model = %model,
"Auto-detected provider from {} — using as default",
env_var
);
driver_chain.push(d);
// Update the running config so agents get the right model
config.default_model.provider = provider.to_string();
config.default_model.model = model.to_string();
config.default_model.api_key_env = env_var.to_string();
}
Err(e2) => {
warn!(provider = %provider, error = %e2, "Auto-detected provider also failed");
}
}
}
}
}
// Add fallback providers to the chain (with model names for cross-provider fallback)
let mut model_chain: Vec<(Arc<dyn LlmDriver>, String)> = Vec::new();
// Primary driver uses empty model name (uses the request's model field as-is)
for d in &driver_chain {
model_chain.push((d.clone(), String::new()));
}
for fb in &config.fallback_providers {
let fb_api_key = {
let env_var = if !fb.api_key_env.is_empty() {
fb.api_key_env.clone()
} else {
config.resolve_api_key_env(&fb.provider)
};
credential_resolver
.resolve(&env_var)
.map(|z: zeroize::Zeroizing<String>| z.to_string())
};
let fb_config = DriverConfig {
provider: fb.provider.clone(),
api_key: fb_api_key,
base_url: fb
.base_url
.clone()
.or_else(|| config.provider_urls.get(&fb.provider).cloned()),
skip_permissions: true,
};
match drivers::create_driver(&fb_config) {
Ok(d) => {
info!(
provider = %fb.provider,
model = %fb.model,
"Fallback provider configured"
);
driver_chain.push(d.clone());
model_chain.push((d, strip_provider_prefix(&fb.model, &fb.provider)));
}
Err(e) => {
warn!(
provider = %fb.provider,
error = %e,
"Fallback provider init failed — skipped"
);
}
}
}
// Use the chain, or create a stub driver if everything failed
let driver: Arc<dyn LlmDriver> = if driver_chain.len() > 1 {
Arc::new(openfang_runtime::drivers::fallback::FallbackDriver::with_models(model_chain))
} else if let Some(single) = driver_chain.into_iter().next() {
single
} else {
// All drivers failed — use a stub that returns a helpful error.
// The kernel boots, dashboard is accessible, users can fix their config.
warn!("No LLM drivers available — agents will return errors until a provider is configured");
Arc::new(StubDriver) as Arc<dyn LlmDriver>
};
// Initialize metering engine (shares the same SQLite connection as the memory substrate)
let metering = Arc::new(MeteringEngine::new(memory.usage_arc()));
let supervisor = Supervisor::new();
let background = BackgroundExecutor::new(supervisor.subscribe());
// Initialize WASM sandbox engine (shared across all WASM agents)
let wasm_sandbox = WasmSandbox::new()
.map_err(|e| KernelError::BootFailed(format!("WASM sandbox init failed: {e}")))?;
// Initialize RBAC authentication manager
let auth = AuthManager::new(&config.users);
if auth.is_enabled() {
info!("RBAC enabled with {} users", auth.user_count());
}
// Initialize model catalog, detect provider auth, and apply URL overrides
let mut model_catalog = openfang_runtime::model_catalog::ModelCatalog::new();
model_catalog.detect_auth();
if !config.provider_urls.is_empty() {
model_catalog.apply_url_overrides(&config.provider_urls);
info!(
"applied {} provider URL override(s)",
config.provider_urls.len()
);
}
// Load user's custom models from ~/.openfang/custom_models.json
let custom_models_path = config.home_dir.join("custom_models.json");
model_catalog.load_custom_models(&custom_models_path);
// Fetch live Copilot models if authenticated
if openfang_runtime::drivers::copilot::copilot_auth_available(&config.home_dir) {
let copilot_dir = config.home_dir.clone();
match Self::fetch_copilot_models(&copilot_dir) {
Ok(models) => {
info!(count = models.len(), "Fetched live Copilot model catalog");
model_catalog.merge_discovered_models("github-copilot", &models);
}
Err(e) => {
warn!("Failed to fetch Copilot models (will use static catalog): {e}");
}
}
}
let available_count = model_catalog.available_models().len();
let total_count = model_catalog.list_models().len();
let local_count = model_catalog
.list_providers()
.iter()
.filter(|p| !p.key_required)
.count();
info!(
"Model catalog: {total_count} models, {available_count} available from configured providers ({local_count} local)"
);
// Initialize skill registry
let skills_dir = config.home_dir.join("skills");
let mut skill_registry = openfang_skills::registry::SkillRegistry::new(skills_dir);
// Load bundled skills first (compile-time embedded)
let bundled_count = skill_registry.load_bundled();
if bundled_count > 0 {
info!("Loaded {bundled_count} bundled skill(s)");
}
// Load user-installed skills (overrides bundled ones with same name)
match skill_registry.load_all() {
Ok(count) => {
if count > 0 {
info!("Loaded {count} user skill(s) from skill registry");
}
}
Err(e) => {
warn!("Failed to load skill registry: {e}");
}
}
// In Stable mode, freeze the skill registry
if config.mode == KernelMode::Stable {
skill_registry.freeze();
}
// Initialize hand registry (curated autonomous packages)
let hand_registry = openfang_hands::registry::HandRegistry::new();
let hand_count = hand_registry.load_bundled();
if hand_count > 0 {
info!("Loaded {hand_count} bundled hand(s)");
}
// Load custom hands from the user's workspace (issue #984).
// Hands installed via `openfang hand install <path>` are persisted to
// `<home>/hands/<hand_id>/` so they survive daemon restarts.
let workspace_hands_dir = config.home_dir.join("hands");
match hand_registry.load_workspace_hands(&workspace_hands_dir) {
Ok(n) if n > 0 => {
info!(
"Loaded {n} workspace hand(s) from {}",
workspace_hands_dir.display()
);
}
Ok(_) => {}
Err(e) => {
warn!("Failed to load workspace hands: {e}");
}
}
// Initialize extension/integration registry
let mut extension_registry =
openfang_extensions::registry::IntegrationRegistry::new(&config.home_dir);
let ext_bundled = extension_registry.load_bundled();
match extension_registry.load_installed() {
Ok(count) => {
if count > 0 {
info!("Loaded {count} installed integration(s)");
}
}
Err(e) => {
warn!("Failed to load installed integrations: {e}");
}
}
info!(
"Extension registry: {ext_bundled} templates available, {} installed",
extension_registry.installed_count()
);
// Merge installed integrations into MCP server list
let ext_mcp_configs = extension_registry.to_mcp_configs();
let mut all_mcp_servers = config.mcp_servers.clone();
for ext_cfg in ext_mcp_configs {
// Avoid duplicates — don't add if a manual config already exists with same name
if !all_mcp_servers.iter().any(|s| s.name == ext_cfg.name) {
all_mcp_servers.push(ext_cfg);
}
}
// Initialize integration health monitor
let health_config = openfang_extensions::health::HealthMonitorConfig {
auto_reconnect: config.extensions.auto_reconnect,
max_reconnect_attempts: config.extensions.reconnect_max_attempts,
max_backoff_secs: config.extensions.reconnect_max_backoff_secs,
check_interval_secs: config.extensions.health_check_interval_secs,
};
let extension_health = openfang_extensions::health::HealthMonitor::new(health_config);
// Register all installed integrations for health monitoring
for inst in extension_registry.to_mcp_configs() {
extension_health.register(&inst.name);
}
// Initialize web tools (multi-provider search + SSRF-protected fetch + caching)
let cache_ttl = std::time::Duration::from_secs(config.web.cache_ttl_minutes * 60);
let web_cache = Arc::new(openfang_runtime::web_cache::WebCache::new(cache_ttl));
let web_ctx = openfang_runtime::web_search::WebToolsContext {
search: openfang_runtime::web_search::WebSearchEngine::new(
config.web.clone(),
web_cache.clone(),
),
fetch: openfang_runtime::web_fetch::WebFetchEngine::new(
config.web.fetch.clone(),
web_cache,
),
};
// Auto-detect embedding driver for vector similarity search
let embedding_driver: Option<
Arc<dyn openfang_runtime::embedding::EmbeddingDriver + Send + Sync>,
> = {
use openfang_runtime::embedding::create_embedding_driver;
let configured_model = &config.memory.embedding_model;
if let Some(ref provider) = config.memory.embedding_provider {
// Explicit config takes priority — use the configured embedding model.
// If the user left embedding_model at the default ("all-MiniLM-L6-v2"),
// pick a sensible default for the chosen provider so we don't send a
// local model name to a cloud API.
let model = if configured_model == "all-MiniLM-L6-v2" {
default_embedding_model_for_provider(provider)
} else {
configured_model.as_str()
};
let api_key_env = config.memory.embedding_api_key_env.as_deref().unwrap_or("");
let custom_url = config
.provider_urls
.get(provider.as_str())
.map(|s| s.as_str());
match create_embedding_driver(provider, model, api_key_env, custom_url) {
Ok(d) => {
info!(provider = %provider, model = %model, "Embedding driver configured from memory config");
Some(Arc::from(d))
}
Err(e) => {
warn!(provider = %provider, error = %e, "Embedding driver init failed — falling back to text search");
None
}
}
} else {
// Auto-detect embedding provider by checking API key env vars in
// priority order. First match wins.
const API_KEY_PROVIDERS: &[(&str, &str)] = &[
("OPENAI_API_KEY", "openai"),
("GROQ_API_KEY", "groq"),
("MISTRAL_API_KEY", "mistral"),
("TOGETHER_API_KEY", "together"),
("FIREWORKS_API_KEY", "fireworks"),
("COHERE_API_KEY", "cohere"),
];
let detected_from_key = API_KEY_PROVIDERS
.iter()
.find(|(env_var, _)| std::env::var(env_var).is_ok())
.and_then(|(env_var, provider)| {
let model = if configured_model == "all-MiniLM-L6-v2" {
default_embedding_model_for_provider(provider)
} else {
configured_model.as_str()
};
let custom_url = config.provider_urls.get(*provider).map(|s| s.as_str());
match create_embedding_driver(provider, model, env_var, custom_url) {
Ok(d) => {
info!(provider = %provider, model = %model, "Embedding driver auto-detected via {}", env_var);
Some(Arc::from(d))
}
Err(e) => {
warn!(provider = %provider, error = %e, "Embedding auto-detect failed for {}", provider);
None
}
}
});
if detected_from_key.is_some() {
detected_from_key
} else {
// No API key found — try local providers in order:
// Ollama, vLLM, LM Studio (no key needed).
const LOCAL_PROVIDERS: &[&str] = &["ollama", "vllm", "lmstudio"];
let mut local_result = None;
for provider in LOCAL_PROVIDERS {
let model = if configured_model == "all-MiniLM-L6-v2" {
default_embedding_model_for_provider(provider)
} else {
configured_model.as_str()
};
let custom_url = config.provider_urls.get(*provider).map(|s| s.as_str());
match create_embedding_driver(provider, model, "", custom_url) {
Ok(d) => {