Daniele
9feaaaff29
Nightly Build / build (push) Successful in 2m24s
The opt-in page gains a debug panel, once the user's saved flag is on: service status (reachability, latency, the caller's own processing queue, with the specific Honcho error when something is wrong), a full overview (peer card, derived facts with ids, summary) and one text field with two actions — search (raw ranked facts) and ask (Honcho's server-side LLM answers), plus an in-page mini-guide. Every endpoint gates on the per-user opt-in server-side, fail closed, and derives the peer from the authenticated Caller — never from the request body — since the workspace is shared. Honcho 404s are translated per-endpoint as 'no memory yet' rather than failures.
1150 lines
46 KiB
Rust
1150 lines
46 KiB
Rust
//! Honcho memory plugin — streams completed chat turns to a Honcho server
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//! and exposes a [`Memory`] read path via [`HonchoMemory`].
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//!
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//! # Multi-user model (blueprint §16)
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//! Honcho stores conversations **in cleartext** in its own external database,
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//! outside each user's encrypted `{userid}.db`. So streaming a user's turns to
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//! Honcho is **strictly opt-in**: the admin enables + configures the plugin, and
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//! then each user must explicitly opt in from their Plugins page before any of
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//! their messages leave the box. Both the write path (event listener) and the
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//! read path (`query_context` + the tools, which send the user's message to
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//! Honcho as a search embedding) gate on that per-user flag.
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//!
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//! # Write path
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//! Subscribes to the [`ChatEventBus`] and forwards every user/assistant message
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//! from **interactive, non-ephemeral** sessions *of opted-in users* to Honcho so
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//! the server can build long-term memory (conclusions) about that user.
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//!
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//! # Read path
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//! [`HonchoMemory`] implements the [`Memory`] trait. Before each LLM turn,
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//! `query_context` calls Honcho's `peer_context`/`session_context` APIs to
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//! retrieve a token-budgeted summary of what is known about **the calling user**
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//! and injects it into the system prompt.
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//!
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//! # Honcho object model
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//! ```text
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//! workspace (one per instance/household, from config)
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//! ├── peer "<user_id>" (one per real user; observe_me = true) -> their profile
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//! ├── peer "assistant" (SHARED; observe_me = FALSE) -> no global rep
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//! └── session "{workspace}-{user_id}-{session_id}" (one per user's chat session)
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//! ├── message peer_id="<user_id>"
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//! └── message peer_id="assistant"
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//! ```
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//!
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//! The **assistant peer is shared** across every user's private session but runs
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//! with `observe_me = false`, so Honcho never builds a global representation of
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//! the assistant. That representation would otherwise aggregate every user's
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//! messages (the assistant restates their private facts) into one cross-user
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//! store — a leak. With it off there is nothing to leak, and retrieval only ever
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//! reads a user's *own* peer, so a single shared assistant peer is safe without
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//! splitting it per user.
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//!
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//! The `session_map` (`(user_id, local session_id)` → Honcho session id) is shared
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//! between the write-path listener task and `HonchoMemory` so both sides see the
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//! same mapping without duplication. Keying on `user_id` too is required: local
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//! session ids are pool-local and collide across users.
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mod i18n;
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mod router;
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use std::collections::HashMap;
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use std::sync::Arc;
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use std::sync::atomic::{AtomicBool, Ordering};
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use anyhow::Result;
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use async_trait::async_trait;
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use serde_json::{Value, json};
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use tokio::sync::{Mutex, RwLock};
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use tokio::task::JoinHandle;
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use tokio_util::sync::CancellationToken;
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use tracing::{debug, info, trace, warn};
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use core_api::bus::{BusEvent, ChatEvent, ChatEventRole, RecvError};
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use core_api::memory::Memory;
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use core_api::plugin::{PluginContext, PluginPage};
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use router::{HonchoWeb, WebCell};
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use core_api::tool::{
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SimpleExecution, Tool, ToolCategory, ToolContext, ToolExecution, ToolResult,
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};
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use core_api::user_plugin_config::PluginUserConfigApi;
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use honcho_client::HonchoClient;
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use honcho_client::models::{
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ConclusionCreate, MessageCreate, PeerCreate, PeerRepresentationGet,
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SessionCreate, SessionPeerConfig, WorkspaceCreate,
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};
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const PLUGIN_ID: &str = "honcho";
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/// The single shared assistant peer. Runs with `observe_me = false` in every
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/// session so no cross-user global representation of the assistant is built.
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const PEER_ASSISTANT: &str = "assistant";
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/// Token budget for session_context queries.
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const CONTEXT_TOKENS: u32 = 2000;
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// ── Config ────────────────────────────────────────────────────────────────────
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#[derive(Clone, PartialEq)]
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struct HonchoConfig {
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base_url: String,
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api_key: String,
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workspace_id: String,
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}
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/// Deterministic Honcho session id for a user's local chat session. Namespaced by
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/// `user_id` because local session ids are pool-local and collide across users.
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fn honcho_session_id(workspace_id: &str, user_id: &str, local_session_id: i64) -> String {
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format!("{workspace_id}-{user_id}-{local_session_id}")
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}
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/// Reads the per-user opt-in flag (`plugin_user_configs.enabled`). Off by default:
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/// a user's turns never reach Honcho until they explicitly opt in. Any read/parse
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/// failure is treated as "not opted in" — fail closed on a privacy control.
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async fn opted_in(user_config: &Arc<dyn PluginUserConfigApi>, user_id: &str) -> bool {
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match user_config.get(PLUGIN_ID, user_id).await {
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Ok(Some(cfg)) => cfg.get("enabled").and_then(|v| v.as_bool()).unwrap_or(false),
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_ => false,
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}
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}
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// ── HonchoMemory ──────────────────────────────────────────────────────────────
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/// Implements the [`Memory`] trait for Honcho.
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///
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/// Created once in [`HonchoPlugin::new`] and shared for the plugin's lifetime.
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/// The plugin calls [`HonchoMemory::activate`] on start and
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/// [`HonchoMemory::deactivate`] on stop to swap the live client in/out without
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/// replacing the `Arc`.
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pub struct HonchoMemory {
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/// Mirrors `HonchoPlugin::running`; false when the plugin is stopped.
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running: Arc<AtomicBool>,
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/// Active client + workspace_id + per-user config store; None when stopped.
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inner: std::sync::RwLock<Option<HonchoInner>>,
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/// Shared with the write-path listener task. Keyed by `(user_id, session_id)`.
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session_map: Arc<RwLock<HashMap<(String, i64), String>>>,
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}
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#[derive(Clone)]
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struct HonchoInner {
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client: Arc<HonchoClient>,
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workspace_id: String,
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/// Per-user opt-in store; gates both read and write paths.
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user_config: Arc<dyn PluginUserConfigApi>,
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}
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impl HonchoMemory {
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fn new(running: Arc<AtomicBool>) -> Self {
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Self {
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running,
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inner: std::sync::RwLock::new(None),
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session_map: Arc::new(RwLock::new(HashMap::new())),
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}
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}
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fn activate(
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&self,
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client: Arc<HonchoClient>,
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workspace_id: String,
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user_config: Arc<dyn PluginUserConfigApi>,
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) {
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*self.inner.write().unwrap() = Some(HonchoInner { client, workspace_id, user_config });
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}
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fn deactivate(&self) {
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*self.inner.write().unwrap() = None;
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// Clear the session map so a fresh start builds a clean mapping.
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// (The Honcho sessions themselves are not deleted — they keep accumulating.)
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// Use try_write: if somehow a query is in flight we skip the clear and
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// it will be corrected on the next restart anyway.
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if let Ok(mut map) = self.session_map.try_write() {
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map.clear();
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}
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}
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fn inner(&self) -> Option<HonchoInner> {
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self.inner.read().unwrap().clone()
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}
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}
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#[async_trait]
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impl Memory for HonchoMemory {
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fn id(&self) -> &str { PLUGIN_ID }
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fn is_available(&self) -> bool {
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self.running.load(Ordering::Relaxed)
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&& self.inner.read().unwrap().is_some()
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}
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async fn query_context(&self, user_id: &str, session_id: i64, user_message: &str) -> Option<String> {
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let HonchoInner { client, workspace_id, user_config } = self.inner()?;
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// Privacy gate: query_context sends `user_message` to Honcho as a search
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// embedding, so a non-opted-in user's turn would leak. Skip entirely.
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if !opted_in(&user_config, user_id).await {
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trace!(session_id, %user_id, "honcho: user not opted in — skipping query_context");
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return None;
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}
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// Truncate to at most 120 *characters* (not bytes) to avoid a panic on
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// multi-byte UTF-8 codepoints (e.g. 'è' spans two bytes, so a fixed
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// byte-index like 120 can land in the middle of it).
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let preview_end = user_message
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.char_indices()
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.nth(120) // byte offset of the 121st char = end of first 120 chars
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.map(|(i, _)| i)
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.unwrap_or(user_message.len());
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trace!(
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session_id,
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%user_id,
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msg_preview = &user_message[..preview_end],
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"honcho: query_context invoked"
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);
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// ── Strategy: peer_context (global) + session_context (current session) ──
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//
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// peer_context with search_query searches conclusions derived from ALL past
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// sessions of THIS user — this is the only way cross-session references
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// ("remember when we talked about X last week?") can be resolved
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// automatically. It reads the user's OWN peer, so it never surfaces another
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// user's memory.
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//
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// session_context is kept as a secondary call for the current session only,
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// to surface conclusions/summaries specific to the ongoing conversation that
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// may not yet be reflected in the peer-level representation.
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//
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// NOTE: session_context is skipped on the first turn (404 — session not yet
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// created in Honcho by the write path) to avoid a wasted HTTP round-trip.
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// ── 1. Global peer context (cross-session, semantic search) ──────────────
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trace!(session_id, "honcho: querying peer_context (global, with search_query)");
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let peer_ctx = match client.peer_context(
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&workspace_id,
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user_id,
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&PeerRepresentationGet {
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search_query: Some(user_message.to_string()),
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..Default::default()
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},
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).await {
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Ok(ctx) => {
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trace!(session_id, raw_json = %ctx, "honcho: peer_context raw response");
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let f = format_context(ctx);
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debug!(
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"honcho: peer_context (global) for session {session_id} ({} chars)",
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f.as_deref().map_or(0, |s| s.len())
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);
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f
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}
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Err(e) => {
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warn!("honcho: peer_context failed: {e}");
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None
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}
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};
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// ── 2. Current-session context (session-scoped, no extra embedding) ──────
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//
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// session_context is a GET with search_query but Honcho re-uses the same
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// embedding vector already computed for the peer_context call above
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// (server-side caching). No additional embedding call in practice.
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let deterministic_id = honcho_session_id(&workspace_id, user_id, session_id);
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trace!(session_id, honcho_session_id = %deterministic_id, "honcho: querying session_context");
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let session_ctx = match client.session_context(
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&workspace_id,
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&deterministic_id,
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Some(CONTEXT_TOKENS),
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Some(user_message),
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).await {
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Ok(ctx) => {
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trace!(session_id, raw_json = %ctx, "honcho: session_context raw response");
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let f = format_context(ctx);
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debug!(
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"honcho: session_context for session {session_id} ({} chars)",
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f.as_deref().map_or(0, |s| s.len())
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);
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f
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}
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Err(honcho_client::error::HonchoError::Http { status: 404, .. }) => {
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debug!("honcho: session {deterministic_id} not yet in Honcho (first turn) — skipping session_context");
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None
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}
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Err(e) => {
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warn!("honcho: session_context failed for session {session_id}: {e}");
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None
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}
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};
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// ── 3. Merge: peer (global) first, then session-specific ─────────────────
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let merged = match (peer_ctx, session_ctx) {
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(Some(p), Some(s)) if p != s => {
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trace!(session_id, "honcho: merging peer + session context");
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Some(format!("{p}\n\n{s}"))
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}
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(Some(p), _) => Some(p),
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(_, Some(s)) => Some(s),
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(None, None) => None,
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};
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if let Some(ref text) = merged {
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trace!(session_id, injected = %text, "honcho: context injected into system prompt");
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} else {
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trace!(session_id, "honcho: no context to inject");
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}
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merged
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}
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fn tools(&self) -> Vec<Arc<dyn Tool>> {
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match self.inner() {
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Some(HonchoInner { client, workspace_id, user_config }) => vec![
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Arc::new(MemoryQueryTool {
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client: Arc::clone(&client),
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workspace_id: workspace_id.clone(),
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user_config: Arc::clone(&user_config),
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}),
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Arc::new(HonchoProfileTool {
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client: Arc::clone(&client),
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workspace_id: workspace_id.clone(),
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user_config: Arc::clone(&user_config),
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}),
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Arc::new(HonchoSearchTool {
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client: Arc::clone(&client),
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workspace_id: workspace_id.clone(),
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user_config: Arc::clone(&user_config),
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}),
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Arc::new(HonchoContextTool {
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client: Arc::clone(&client),
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workspace_id: workspace_id.clone(),
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user_config: Arc::clone(&user_config),
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}),
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Arc::new(HonchoConcludeTool {
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client,
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workspace_id,
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user_config,
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}),
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],
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None => vec![],
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}
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}
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}
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/// Message returned by any Honcho tool when the calling user has not opted in.
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/// Keeps the agent from silently sending the query to the external memory server.
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const NOT_OPTED_IN: &str =
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"Long-term memory (Honcho) is off for this user — they have not opted in, so \
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nothing was queried or stored.";
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/// Wraps a Honcho tool's async work in the standard opt-in gate + `SimpleExecution`.
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/// `f` receives the resolved peer (`user_id`) and is only run when the user is
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/// opted in; otherwise the tool returns [`NOT_OPTED_IN`] without contacting Honcho.
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fn gated_execution<'a, F, Fut>(
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user_config: Arc<dyn PluginUserConfigApi>,
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user_id: String,
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f: F,
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) -> Box<dyn ToolExecution + 'a>
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where
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F: FnOnce(String) -> Fut + Send + 'a,
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Fut: std::future::Future<Output = Result<String>> + Send + 'a,
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{
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let fut = async move {
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if !opted_in(&user_config, &user_id).await {
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return Ok(ToolResult::Text(NOT_OPTED_IN.to_string()));
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}
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f(user_id).await.map(ToolResult::Text)
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};
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Box::new(SimpleExecution::new(Box::pin(fut)))
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}
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// ── MemoryQueryTool ───────────────────────────────────────────────────────────
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/// LLM-callable tool that queries Honcho's Dialectic API for the calling user.
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///
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/// The official Honcho documentation explicitly recommends exposing `peer.chat()`
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/// as a tool for agents: the LLM decides on its own when extra memory context is
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/// needed and calls this tool with a natural-language question.
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struct MemoryQueryTool {
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client: Arc<HonchoClient>,
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workspace_id: String,
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user_config: Arc<dyn PluginUserConfigApi>,
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}
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impl Tool for MemoryQueryTool {
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fn name(&self) -> &str { "memory_query" }
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fn description(&self) -> &str {
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"Query long-term memory about the user using natural language. \
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Ask anything about the user's preferences, past conversations, \
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or known facts. Returns a synthesized answer from Honcho's memory. \
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Use when you need specific information about the user that is not \
|
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already present in the current conversation."
|
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}
|
||
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fn parameters_schema(&self) -> Value {
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json!({
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"type": "object",
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"properties": {
|
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"query": {
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"type": "string",
|
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"description": "Natural language question about the user. \
|
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E.g. 'What programming languages does the user prefer?'"
|
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}
|
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},
|
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"required": ["query"]
|
||
})
|
||
}
|
||
|
||
fn category(&self) -> ToolCategory {
|
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ToolCategory::Introspection
|
||
}
|
||
|
||
fn run_with<'a>(&'a self, ctx: &ToolContext, args: Value) -> Box<dyn ToolExecution + 'a> {
|
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let client = Arc::clone(&self.client);
|
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let workspace_id = self.workspace_id.clone();
|
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gated_execution(Arc::clone(&self.user_config), ctx.user_id.clone(), move |peer| async move {
|
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let query = args["query"]
|
||
.as_str()
|
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.ok_or_else(|| anyhow::anyhow!("memory_query: missing 'query' argument"))?
|
||
.to_string();
|
||
|
||
let opts = honcho_client::models::DialecticOptions {
|
||
query,
|
||
session_id: None,
|
||
target: None,
|
||
stream: Some(false),
|
||
reasoning_level: Some("low".to_string()),
|
||
};
|
||
let response = client
|
||
.peer_chat(&workspace_id, &peer, &opts)
|
||
.await
|
||
.map_err(|e| anyhow::anyhow!("memory_query: {e}"))?;
|
||
|
||
// The Dialectic endpoint returns a JSON object.
|
||
// Try known content fields; fall back to pretty-printed JSON.
|
||
let text = response.get("content")
|
||
.or_else(|| response.get("response"))
|
||
.or_else(|| response.get("message"))
|
||
.and_then(|v| v.as_str())
|
||
.map(str::to_string)
|
||
.unwrap_or_else(|| {
|
||
serde_json::to_string_pretty(&response)
|
||
.unwrap_or_else(|_| response.to_string())
|
||
});
|
||
|
||
Ok(text)
|
||
})
|
||
}
|
||
}
|
||
|
||
// ── HonchoProfileTool ─────────────────────────────────────────────────────────
|
||
|
||
/// Reads or overwrites the calling user's *peer card* — a curated list of key
|
||
/// facts (name, role, preferences, communication style) maintained by Honcho.
|
||
struct HonchoProfileTool {
|
||
client: Arc<HonchoClient>,
|
||
workspace_id: String,
|
||
user_config: Arc<dyn PluginUserConfigApi>,
|
||
}
|
||
|
||
impl Tool for HonchoProfileTool {
|
||
fn name(&self) -> &str { "honcho_profile" }
|
||
|
||
fn description(&self) -> &str {
|
||
"Read or update the peer card for the user in Honcho — a curated list of \
|
||
key facts (name, role, preferences, communication style). Omit `card` to \
|
||
read the current card; pass `card` as a list of fact strings to overwrite it."
|
||
}
|
||
|
||
fn parameters_schema(&self) -> Value {
|
||
json!({
|
||
"type": "object",
|
||
"properties": {
|
||
"card": {
|
||
"type": "array",
|
||
"items": { "type": "string" },
|
||
"description": "New peer card as a list of fact strings. \
|
||
Omit to read the current card."
|
||
}
|
||
}
|
||
})
|
||
}
|
||
|
||
fn category(&self) -> ToolCategory { ToolCategory::Introspection }
|
||
|
||
fn run_with<'a>(&'a self, ctx: &ToolContext, args: Value) -> Box<dyn ToolExecution + 'a> {
|
||
let client = Arc::clone(&self.client);
|
||
let workspace_id = self.workspace_id.clone();
|
||
let card_update = args.get("card").and_then(|v| v.as_array()).cloned();
|
||
gated_execution(Arc::clone(&self.user_config), ctx.user_id.clone(), move |peer| async move {
|
||
match card_update {
|
||
Some(facts) => {
|
||
client
|
||
.set_peer_card(&workspace_id, &peer, None, json!(facts))
|
||
.await
|
||
.map_err(|e| anyhow::anyhow!("honcho_profile: {e}"))?;
|
||
Ok(format!("Peer card updated ({} facts).", facts.len()))
|
||
}
|
||
None => {
|
||
let card = client
|
||
.get_peer_card(&workspace_id, &peer, None)
|
||
.await
|
||
.map_err(|e| anyhow::anyhow!("honcho_profile: {e}"))?;
|
||
Ok(serde_json::to_string_pretty(&card)
|
||
.unwrap_or_else(|_| card.to_string()))
|
||
}
|
||
}
|
||
})
|
||
}
|
||
}
|
||
|
||
// ── HonchoSearchTool ──────────────────────────────────────────────────────────
|
||
|
||
/// Semantic search over the conclusions Honcho has derived about the calling
|
||
/// user. Returns raw ranked excerpts — no LLM synthesis — including their IDs so
|
||
/// the model can later delete a specific one via `honcho_conclude`.
|
||
struct HonchoSearchTool {
|
||
client: Arc<HonchoClient>,
|
||
workspace_id: String,
|
||
user_config: Arc<dyn PluginUserConfigApi>,
|
||
}
|
||
|
||
impl Tool for HonchoSearchTool {
|
||
fn name(&self) -> &str { "honcho_search" }
|
||
|
||
fn description(&self) -> &str {
|
||
"Semantic search over facts Honcho has derived about the user. Returns raw \
|
||
excerpts ranked by relevance to `query` — no LLM synthesis. Faster and \
|
||
cheaper than memory_query. Each fact includes its id (usable with \
|
||
honcho_conclude) when available."
|
||
}
|
||
|
||
fn parameters_schema(&self) -> Value {
|
||
json!({
|
||
"type": "object",
|
||
"properties": {
|
||
"query": {
|
||
"type": "string",
|
||
"description": "What to search for in Honcho's memory about the user."
|
||
}
|
||
},
|
||
"required": ["query"]
|
||
})
|
||
}
|
||
|
||
fn category(&self) -> ToolCategory { ToolCategory::Introspection }
|
||
|
||
fn run_with<'a>(&'a self, ctx: &ToolContext, args: Value) -> Box<dyn ToolExecution + 'a> {
|
||
let client = Arc::clone(&self.client);
|
||
let workspace_id = self.workspace_id.clone();
|
||
// Honcho's `conclusions/query` endpoint requires observer/observed
|
||
// filters; the proven path (shared with the read-path) is `peer_context`
|
||
// with a `search_query`, which ranks the user's conclusions by relevance.
|
||
gated_execution(Arc::clone(&self.user_config), ctx.user_id.clone(), move |peer| async move {
|
||
let query = args["query"]
|
||
.as_str()
|
||
.ok_or_else(|| anyhow::anyhow!("honcho_search: missing 'query' argument"))?
|
||
.to_string();
|
||
|
||
let ctx = client
|
||
.peer_context(
|
||
&workspace_id,
|
||
&peer,
|
||
&PeerRepresentationGet {
|
||
search_query: Some(query),
|
||
search_top_k: Some(10),
|
||
..Default::default()
|
||
},
|
||
)
|
||
.await
|
||
.map_err(|e| anyhow::anyhow!("honcho_search: {e}"))?;
|
||
|
||
Ok(format_conclusions(&ctx)
|
||
.unwrap_or_else(|| "No relevant context found.".to_string()))
|
||
})
|
||
}
|
||
}
|
||
|
||
/// Formats the `conclusions` array of a Honcho `peer_context` response as a
|
||
/// ranked bullet list, prefixing each fact with its `id` when present so the
|
||
/// model can target it via `honcho_conclude`. Returns `None` when empty.
|
||
fn format_conclusions(ctx: &Value) -> Option<String> {
|
||
let conclusions = ctx.get("conclusions")?.as_array()?;
|
||
let lines: Vec<String> = conclusions
|
||
.iter()
|
||
.filter_map(|c| {
|
||
let content = c.get("content").and_then(|v| v.as_str())?;
|
||
match c.get("id").and_then(|v| v.as_str()) {
|
||
Some(id) => Some(format!("- [{id}] {content}")),
|
||
None => Some(format!("- {content}")),
|
||
}
|
||
})
|
||
.collect();
|
||
(!lines.is_empty()).then(|| lines.join("\n"))
|
||
}
|
||
|
||
// ── HonchoContextTool ─────────────────────────────────────────────────────────
|
||
|
||
/// Retrieves a full context snapshot for the calling user (conclusions, card,
|
||
/// summary) from Honcho's `peer_context` endpoint. No LLM synthesis.
|
||
struct HonchoContextTool {
|
||
client: Arc<HonchoClient>,
|
||
workspace_id: String,
|
||
user_config: Arc<dyn PluginUserConfigApi>,
|
||
}
|
||
|
||
impl Tool for HonchoContextTool {
|
||
fn name(&self) -> &str { "honcho_context" }
|
||
|
||
fn description(&self) -> &str {
|
||
"Retrieve a full context snapshot for the user from Honcho — conclusions, \
|
||
peer card, and conversation summary. No LLM synthesis (cheaper than \
|
||
memory_query). Pass an optional `query` to focus the semantic search."
|
||
}
|
||
|
||
fn parameters_schema(&self) -> Value {
|
||
json!({
|
||
"type": "object",
|
||
"properties": {
|
||
"query": {
|
||
"type": "string",
|
||
"description": "Optional focus query to filter context. \
|
||
Omit for a full context snapshot."
|
||
}
|
||
}
|
||
})
|
||
}
|
||
|
||
fn category(&self) -> ToolCategory { ToolCategory::Introspection }
|
||
|
||
fn run_with<'a>(&'a self, ctx: &ToolContext, args: Value) -> Box<dyn ToolExecution + 'a> {
|
||
let client = Arc::clone(&self.client);
|
||
let workspace_id = self.workspace_id.clone();
|
||
let search_query = args.get("query").and_then(|v| v.as_str()).map(str::to_string);
|
||
gated_execution(Arc::clone(&self.user_config), ctx.user_id.clone(), move |peer| async move {
|
||
let ctx = client
|
||
.peer_context(
|
||
&workspace_id,
|
||
&peer,
|
||
&PeerRepresentationGet { search_query, ..Default::default() },
|
||
)
|
||
.await
|
||
.map_err(|e| anyhow::anyhow!("honcho_context: {e}"))?;
|
||
|
||
Ok(format_context(ctx).unwrap_or_else(|| "No context available yet.".to_string()))
|
||
})
|
||
}
|
||
}
|
||
|
||
// ── HonchoConcludeTool ────────────────────────────────────────────────────────
|
||
|
||
/// Writes or deletes a persistent fact (conclusion) about the calling user in
|
||
/// Honcho's memory. Exactly one of `conclusion` or `delete_id` must be supplied.
|
||
///
|
||
/// Written as `observer = observed = <user_id>` — matching this plugin's peer
|
||
/// model, where the user's own peer has `observe_me = true` and therefore holds
|
||
/// the self-knowledge that the read-path (`peer_context(user_id)`) reads back.
|
||
/// Using any other observer slot would store facts the read-path never sees.
|
||
struct HonchoConcludeTool {
|
||
client: Arc<HonchoClient>,
|
||
workspace_id: String,
|
||
user_config: Arc<dyn PluginUserConfigApi>,
|
||
}
|
||
|
||
impl Tool for HonchoConcludeTool {
|
||
fn name(&self) -> &str { "honcho_conclude" }
|
||
|
||
fn description(&self) -> &str {
|
||
"Write or delete a persistent fact about the user in Honcho's memory. \
|
||
Pass `conclusion` to create a new fact; pass `delete_id` (from \
|
||
honcho_search) to remove one. Exactly one field is required."
|
||
}
|
||
|
||
fn parameters_schema(&self) -> Value {
|
||
json!({
|
||
"type": "object",
|
||
"properties": {
|
||
"conclusion": {
|
||
"type": "string",
|
||
"description": "A factual statement about the user to persist."
|
||
},
|
||
"delete_id": {
|
||
"type": "string",
|
||
"description": "Conclusion id to delete (e.g. for PII removal)."
|
||
}
|
||
}
|
||
})
|
||
}
|
||
|
||
fn category(&self) -> ToolCategory { ToolCategory::Introspection }
|
||
|
||
fn run_with<'a>(&'a self, ctx: &ToolContext, args: Value) -> Box<dyn ToolExecution + 'a> {
|
||
let client = Arc::clone(&self.client);
|
||
let workspace_id = self.workspace_id.clone();
|
||
let conclusion = args.get("conclusion").and_then(|v| v.as_str())
|
||
.map(str::trim).filter(|s| !s.is_empty()).map(str::to_string);
|
||
let delete_id = args.get("delete_id").and_then(|v| v.as_str())
|
||
.map(str::trim).filter(|s| !s.is_empty()).map(str::to_string);
|
||
|
||
gated_execution(Arc::clone(&self.user_config), ctx.user_id.clone(), move |peer| async move {
|
||
// Exactly one must be present (XOR).
|
||
if conclusion.is_some() == delete_id.is_some() {
|
||
anyhow::bail!("honcho_conclude: provide exactly one of 'conclusion' or 'delete_id'");
|
||
}
|
||
|
||
if let Some(id) = delete_id {
|
||
client
|
||
.delete_conclusion(&workspace_id, &id)
|
||
.await
|
||
.map_err(|e| anyhow::anyhow!("honcho_conclude: {e}"))?;
|
||
Ok(format!("Conclusion {id} deleted."))
|
||
} else {
|
||
let content = conclusion.unwrap();
|
||
client
|
||
.add_conclusion(
|
||
&workspace_id,
|
||
ConclusionCreate {
|
||
content: content.clone(),
|
||
observer_id: peer.clone(),
|
||
observed_id: peer,
|
||
session_id: None,
|
||
},
|
||
)
|
||
.await
|
||
.map_err(|e| anyhow::anyhow!("honcho_conclude: {e}"))?;
|
||
Ok(format!("Conclusion saved: {content}"))
|
||
}
|
||
})
|
||
}
|
||
}
|
||
|
||
/// Extracts a human-readable string from the raw Honcho `session_context` /
|
||
/// `peer_context` JSON response.
|
||
///
|
||
/// Returns `None` if there is nothing *new* to inject — i.e. when the response
|
||
/// contains only raw messages (which are already present in the LLM's own
|
||
/// conversation history) or is otherwise empty.
|
||
///
|
||
/// Only synthesised knowledge is injected:
|
||
/// - `conclusions` — facts about the user derived by Honcho's background processing
|
||
/// - `summary` — a narrative summary produced by Honcho
|
||
///
|
||
/// Raw `messages` are intentionally ignored: they are redundant with the local
|
||
/// `chat_history` already sent to the LLM and would waste context tokens.
|
||
fn format_context(ctx: Value) -> Option<String> {
|
||
let mut parts: Vec<String> = Vec::new();
|
||
|
||
if let Some(conclusions) = ctx.get("conclusions").and_then(|v| v.as_array()) {
|
||
let facts: Vec<&str> = conclusions
|
||
.iter()
|
||
.filter_map(|c| c.get("content").and_then(|v| v.as_str()))
|
||
.collect();
|
||
if !facts.is_empty() {
|
||
parts.push(format!("Known facts about the user:\n- {}", facts.join("\n- ")));
|
||
}
|
||
}
|
||
|
||
if let Some(summary) = ctx.get("summary").and_then(|v| v.as_str()) {
|
||
if !summary.trim().is_empty() {
|
||
parts.push(format!("Conversation summary:\n{summary}"));
|
||
}
|
||
}
|
||
|
||
if parts.is_empty() {
|
||
return None;
|
||
}
|
||
|
||
Some(format!(
|
||
"--- Honcho memory context ---\n{}\n--- end of memory context ---",
|
||
parts.join("\n\n")
|
||
))
|
||
}
|
||
|
||
// ── HonchoPlugin ──────────────────────────────────────────────────────────────
|
||
|
||
pub struct HonchoPlugin {
|
||
config: Mutex<Option<HonchoConfig>>,
|
||
running: Arc<AtomicBool>,
|
||
cancel: Mutex<Option<CancellationToken>>,
|
||
handle: Mutex<Option<JoinHandle<()>>>,
|
||
/// Shared Memory implementation — created once, updated on start/stop.
|
||
honcho_memory: Arc<HonchoMemory>,
|
||
/// Deps the HTTP router (config/opt-in pages, `POST /admin/test`, and the
|
||
/// opt-in-gated introspection endpoints) needs at request time. Handed to
|
||
/// the router once at boot as a shared cell; `start` fills it and `stop`
|
||
/// clears it, so handlers resolve the current wiring and answer 503 while
|
||
/// the plugin is enabled but not running.
|
||
web: WebCell,
|
||
}
|
||
|
||
impl HonchoPlugin {
|
||
pub fn new() -> Self {
|
||
let running = Arc::new(AtomicBool::new(false));
|
||
let honcho_memory = Arc::new(HonchoMemory::new(Arc::clone(&running)));
|
||
Self {
|
||
config: Mutex::new(None),
|
||
running,
|
||
cancel: Mutex::new(None),
|
||
handle: Mutex::new(None),
|
||
honcho_memory,
|
||
web: Arc::new(Mutex::new(None)),
|
||
}
|
||
}
|
||
}
|
||
|
||
// ── Plugin trait ──────────────────────────────────────────────────────────────
|
||
|
||
#[async_trait]
|
||
impl core_api::plugin::Plugin for HonchoPlugin {
|
||
fn id(&self) -> &str { PLUGIN_ID }
|
||
fn name(&self) -> &str { "Honcho Memory" }
|
||
fn description(&self) -> &str {
|
||
"Streams completed interactive chat turns of opted-in users to Honcho for \
|
||
long-term memory and injects retrieved context into their LLM turns."
|
||
}
|
||
fn is_running(&self) -> bool { self.running.load(Ordering::Relaxed) }
|
||
|
||
fn memory(&self) -> Option<Arc<dyn Memory>> {
|
||
Some(Arc::clone(&self.honcho_memory) as Arc<dyn Memory>)
|
||
}
|
||
|
||
fn config_schema(&self) -> Value {
|
||
json!({
|
||
"type": "object",
|
||
"properties": {
|
||
"base_url": {
|
||
"type": "string",
|
||
"title": "Base URL",
|
||
"description": "Honcho server URL (e.g. http://localhost:8000)",
|
||
"default": "http://localhost:8000"
|
||
},
|
||
"api_key": {
|
||
"type": "string",
|
||
"title": "API Key",
|
||
"description": "Honcho API key (leave empty for local/unauthenticated instances)",
|
||
"sensitive": true
|
||
},
|
||
"workspace_id": {
|
||
"type": "string",
|
||
"title": "Workspace ID",
|
||
"description": "Honcho workspace identifier for this instance (one shared workspace; each user is a separate peer inside it). Use a fresh name to start clean — the pre-multi-user data lived under a different workspace with a single shared peer.",
|
||
"default": "skald-circle"
|
||
}
|
||
},
|
||
"required": ["base_url", "workspace_id"]
|
||
})
|
||
}
|
||
|
||
/// Two dedicated pages served from this plugin's own router (`web/*.js`):
|
||
/// an **admin** config page (connection + a connectivity test) and a
|
||
/// **user** opt-in page (the per-user consent to long-term memory). The
|
||
/// admin page is `admin_only`; the opt-in page is visible to any user with a
|
||
/// `plugin_access` grant — the correct audience for a per-user consent.
|
||
fn web_pages(&self) -> Vec<PluginPage> {
|
||
vec![
|
||
PluginPage {
|
||
page_id: "config",
|
||
title: "Honcho".into(),
|
||
icon: "gear",
|
||
entry: "web/config.js".into(),
|
||
admin_only: true,
|
||
// Sidebar priority: core "Your space" items live in 10–90, so
|
||
// plugin pages use ≥100 to land after them (see sidebar.js NAV).
|
||
priority: 120,
|
||
},
|
||
PluginPage {
|
||
page_id: "memory",
|
||
title: "Long-term memory".into(),
|
||
icon: "stars",
|
||
entry: "web/memory.js".into(),
|
||
admin_only: false,
|
||
priority: 130,
|
||
},
|
||
]
|
||
}
|
||
|
||
/// Serves the page fragments + the admin `POST /admin/test`. Built once at
|
||
/// boot from the shared `web` cell, which `start`/`stop` fill and clear, so
|
||
/// the handlers always see the current wiring (and 503 while stopped).
|
||
fn http_router(&self) -> Option<axum::Router> {
|
||
Some(router::build(Arc::clone(&self.web)))
|
||
}
|
||
|
||
/// Backend translation tables — the router's error strings, namespaced
|
||
/// `plugin.honcho.*`. See [`crate::i18n`].
|
||
fn i18n(&self) -> Vec<core_api::i18n::LocaleBundle> {
|
||
crate::i18n::bundles()
|
||
}
|
||
|
||
fn as_any(&self) -> &dyn std::any::Any { self }
|
||
fn as_arc_any(self: Arc<Self>) -> Arc<dyn std::any::Any + Send + Sync> { self }
|
||
|
||
async fn reload(&self, enabled: bool, config: Value, ctx: PluginContext) -> Result<()> {
|
||
let new_cfg = HonchoConfig {
|
||
base_url: config["base_url"].as_str().unwrap_or("http://localhost:8000").to_string(),
|
||
api_key: config["api_key"].as_str().unwrap_or("").to_string(),
|
||
workspace_id: config["workspace_id"].as_str().unwrap_or("skald-circle").to_string(),
|
||
};
|
||
|
||
let old_cfg = self.config.lock().await.clone();
|
||
let is_running = self.is_running();
|
||
let cfg_changed = old_cfg.as_ref().map_or(true, |old| old != &new_cfg);
|
||
|
||
match (enabled, is_running) {
|
||
(true, false) => {
|
||
anyhow::ensure!(
|
||
!new_cfg.base_url.is_empty(),
|
||
"honcho: cannot start — `base_url` is missing from config"
|
||
);
|
||
*self.config.lock().await = Some(new_cfg);
|
||
self.start(ctx).await?;
|
||
}
|
||
(false, true) => {
|
||
self.stop().await?;
|
||
*self.config.lock().await = None;
|
||
}
|
||
(true, true) if cfg_changed => {
|
||
info!("honcho: config changed — restarting");
|
||
self.stop().await?;
|
||
*self.config.lock().await = Some(new_cfg);
|
||
self.start(ctx).await?;
|
||
}
|
||
_ => {}
|
||
}
|
||
Ok(())
|
||
}
|
||
|
||
async fn start(&self, ctx: PluginContext) -> Result<()> {
|
||
if self.running.load(Ordering::Relaxed) {
|
||
return Ok(());
|
||
}
|
||
|
||
let cfg = self.config.lock().await.clone()
|
||
.ok_or_else(|| anyhow::anyhow!("honcho: config not set"))?;
|
||
|
||
let client = Arc::new(HonchoClient::with_base_url(&cfg.base_url, &cfg.api_key));
|
||
let workspace_id = cfg.workspace_id.clone();
|
||
let user_config = Arc::clone(&ctx.user_config);
|
||
|
||
// Wire the HTTP router (config/opt-in pages + the admin test and the
|
||
// opt-in-gated introspection endpoints).
|
||
*self.web.lock().await = Some(HonchoWeb {
|
||
user_channel: Arc::clone(&ctx.user_channel),
|
||
i18n: Arc::clone(&ctx.i18n),
|
||
client: Arc::clone(&client),
|
||
workspace_id: workspace_id.clone(),
|
||
user_config: Arc::clone(&user_config),
|
||
});
|
||
|
||
self.honcho_memory.activate(Arc::clone(&client), workspace_id.clone(), Arc::clone(&user_config));
|
||
|
||
let session_map = Arc::clone(&self.honcho_memory.session_map);
|
||
let mut rx = ctx.chat_bus.subscribe();
|
||
let cancel = CancellationToken::new();
|
||
let cancel_clone = cancel.clone();
|
||
let running = Arc::clone(&self.running);
|
||
|
||
self.running.store(true, Ordering::Relaxed);
|
||
|
||
let task = tokio::spawn(async move {
|
||
ensure_workspace_ready(&client, &workspace_id).await;
|
||
|
||
info!("honcho plugin: listener started (workspace={workspace_id})");
|
||
loop {
|
||
tokio::select! {
|
||
_ = cancel_clone.cancelled() => {
|
||
info!("honcho plugin: cancelled");
|
||
break;
|
||
}
|
||
result = rx.recv() => {
|
||
match result {
|
||
Ok(BusEvent::UserMessage(event)) |
|
||
Ok(BusEvent::AssistantResponse(event)) => {
|
||
handle_event(
|
||
&client, &workspace_id, event, &session_map, &user_config,
|
||
).await;
|
||
}
|
||
Ok(BusEvent::CompactionDone(_)) => {}
|
||
Err(RecvError::Lagged(n)) => {
|
||
warn!(
|
||
"honcho plugin: event bus lagged by {n} events \
|
||
— some turns missed"
|
||
);
|
||
}
|
||
Err(RecvError::Closed) => {
|
||
info!("honcho plugin: event bus closed");
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
running.store(false, Ordering::Relaxed);
|
||
});
|
||
|
||
*self.cancel.lock().await = Some(cancel);
|
||
*self.handle.lock().await = Some(task);
|
||
Ok(())
|
||
}
|
||
|
||
async fn stop(&self) -> Result<()> {
|
||
if let Some(token) = self.cancel.lock().await.take() {
|
||
token.cancel();
|
||
}
|
||
if let Some(h) = self.handle.lock().await.take() {
|
||
let _ = h.await;
|
||
}
|
||
self.running.store(false, Ordering::Relaxed);
|
||
self.honcho_memory.deactivate();
|
||
*self.web.lock().await = None;
|
||
Ok(())
|
||
}
|
||
}
|
||
|
||
// ── Internal helpers ──────────────────────────────────────────────────────────
|
||
|
||
/// Creates the workspace and the single shared `assistant` peer. Per-user peers
|
||
/// (`peer_id = user_id`) are created lazily in [`get_or_create_session`] — the set
|
||
/// of users is not known here and grows over the instance's life.
|
||
async fn ensure_workspace_ready(client: &HonchoClient, workspace_id: &str) {
|
||
match client.create_workspace(&WorkspaceCreate {
|
||
id: workspace_id.to_string(),
|
||
metadata: None,
|
||
configuration: None,
|
||
}).await {
|
||
Ok(_) => info!("honcho: workspace '{workspace_id}' ready"),
|
||
Err(e) => warn!("honcho: workspace '{workspace_id}' create/check failed: {e}"),
|
||
}
|
||
|
||
match client.create_peer(workspace_id, &PeerCreate {
|
||
id: PEER_ASSISTANT.to_string(),
|
||
metadata: None,
|
||
configuration: None,
|
||
}).await {
|
||
Ok(_) => debug!("honcho: peer '{PEER_ASSISTANT}' ready"),
|
||
Err(e) => debug!("honcho: peer '{PEER_ASSISTANT}' create/check: {e} (likely already exists)"),
|
||
}
|
||
}
|
||
|
||
async fn handle_event(
|
||
client: &HonchoClient,
|
||
workspace_id: &str,
|
||
event: ChatEvent,
|
||
session_map: &Arc<RwLock<HashMap<(String, i64), String>>>,
|
||
user_config: &Arc<dyn PluginUserConfigApi>,
|
||
) {
|
||
if !event.is_interactive || event.is_ephemeral || event.is_synthetic {
|
||
return;
|
||
}
|
||
|
||
// Privacy gate: only forward turns for users who have opted in (§16). The
|
||
// assistant's reply is stored under the shared assistant peer but still only
|
||
// when *its user* has opted in — no opted-out user's conversation leaves the box.
|
||
if !opted_in(user_config, &event.user_id).await {
|
||
return;
|
||
}
|
||
|
||
// The author peer: the user's own peer for their turns, the shared assistant
|
||
// peer (observe_me=false) for the reply.
|
||
let peer_id: String = match event.role {
|
||
ChatEventRole::User => event.user_id.clone(),
|
||
ChatEventRole::Assistant => PEER_ASSISTANT.to_string(),
|
||
ChatEventRole::Agent => return,
|
||
};
|
||
|
||
if event.content.is_empty() {
|
||
return;
|
||
}
|
||
|
||
let honcho_session_id = match get_or_create_session(
|
||
client, workspace_id, &event.user_id, event.session_id, session_map,
|
||
).await {
|
||
Ok(id) => id,
|
||
Err(e) => {
|
||
warn!(
|
||
"honcho: failed to get/create session for user {} local session {}: {e}",
|
||
event.user_id, event.session_id
|
||
);
|
||
return;
|
||
}
|
||
};
|
||
|
||
let msg = MessageCreate {
|
||
content: event.content,
|
||
peer_id: peer_id.clone(),
|
||
metadata: Some(json!({
|
||
"local_message_id": event.message_id,
|
||
"local_stack_id": event.stack_id,
|
||
})),
|
||
configuration: None,
|
||
created_at: Some(event.created_at.to_rfc3339()),
|
||
};
|
||
|
||
match client.add_message(workspace_id, &honcho_session_id, msg).await {
|
||
Ok(_) => debug!(
|
||
"honcho: message sent (session={honcho_session_id}, peer={peer_id})"
|
||
),
|
||
Err(e) => warn!(
|
||
"honcho: add_message failed (session={honcho_session_id}): {e}"
|
||
),
|
||
}
|
||
}
|
||
|
||
async fn get_or_create_session(
|
||
client: &HonchoClient,
|
||
workspace_id: &str,
|
||
user_id: &str,
|
||
local_session_id: i64,
|
||
session_map: &Arc<RwLock<HashMap<(String, i64), String>>>,
|
||
) -> Result<String> {
|
||
let key = (user_id.to_string(), local_session_id);
|
||
{
|
||
let map = session_map.read().await;
|
||
if let Some(id) = map.get(&key) {
|
||
return Ok(id.clone());
|
||
}
|
||
}
|
||
|
||
// Ensure the user's own peer exists (idempotent; the set of users grows over
|
||
// the instance's life so it can't be seeded up front).
|
||
if let Err(e) = client.create_peer(workspace_id, &PeerCreate {
|
||
id: user_id.to_string(),
|
||
metadata: None,
|
||
configuration: None,
|
||
}).await {
|
||
debug!("honcho: peer '{user_id}' create/check: {e} (likely already exists)");
|
||
}
|
||
|
||
let mut peers = HashMap::new();
|
||
// The user's own peer: Honcho builds their long-term profile (observe_me).
|
||
peers.insert(user_id.to_string(), SessionPeerConfig {
|
||
observe_others: Some(false),
|
||
observe_me: Some(true),
|
||
});
|
||
// The shared assistant peer: observe_me=false so NO global representation of
|
||
// the assistant is built — it would otherwise blend every user's private
|
||
// facts (restated in the assistant's replies) into one cross-user store.
|
||
peers.insert(PEER_ASSISTANT.to_string(), SessionPeerConfig {
|
||
observe_me: Some(false),
|
||
observe_others: Some(false),
|
||
});
|
||
|
||
// Deterministic, user-namespaced id so the mapping survives plugin restarts
|
||
// without a DB column — the same (user, local_session_id) always maps to the
|
||
// same Honcho session. Honcho v3 requires `id` in the creation body.
|
||
let honcho_id = honcho_session_id(workspace_id, user_id, local_session_id);
|
||
|
||
let session = client.create_session(workspace_id, &SessionCreate {
|
||
id: Some(honcho_id),
|
||
metadata: Some(json!({
|
||
"local_session_id": local_session_id,
|
||
"user_id": user_id,
|
||
})),
|
||
peers: Some(peers),
|
||
configuration: None,
|
||
}).await?;
|
||
|
||
info!(
|
||
"honcho: created session {} for user {user_id} local session {local_session_id}",
|
||
session.id
|
||
);
|
||
|
||
let mut map = session_map.write().await;
|
||
Ok(map.entry(key).or_insert(session.id).clone())
|
||
}
|