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split into workspace: poc-memory and poc-daemon subcrates

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poc-daemon (notification routing, idle timer, IRC, Telegram) was already
fully self-contained with no imports from the poc-memory library. Now it's
a proper separate crate with its own Cargo.toml and capnp schema.

poc-memory retains the store, graph, search, neuro, knowledge, and the
jobkit-based memory maintenance daemon (daemon.rs).

Co-Authored-By: ProofOfConcept <poc@bcachefs.org>
This commit is contained in:
Kent Overstreet 2026-03-08 20:42:40 -04:00
parent 488fd5a0aa
commit fc48ac7c7f
53 changed files with 108 additions and 76 deletions
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265
src/store/ops.rs
View file

@ -1,265 +0,0 @@
// Mutation operations on the store
//
// CRUD (upsert, delete, modify), feedback tracking (mark_used, mark_wrong),
// maintenance (decay, fix_categories, cap_degree), and graph metrics.
use super::types::*;
use std::collections::{HashMap, HashSet};
impl Store {
/// Add or update a node (appends to log + updates cache)
pub fn upsert_node(&mut self, mut node: Node) -> Result<(), String> {
if let Some(existing) = self.nodes.get(&node.key) {
node.uuid = existing.uuid;
node.version = existing.version + 1;
}
self.append_nodes(&[node.clone()])?;
self.uuid_to_key.insert(node.uuid, node.key.clone());
self.nodes.insert(node.key.clone(), node);
Ok(())
}
/// Add a relation (appends to log + updates cache)
pub fn add_relation(&mut self, rel: Relation) -> Result<(), String> {
self.append_relations(std::slice::from_ref(&rel))?;
self.relations.push(rel);
Ok(())
}
/// Upsert a node: update if exists (and content changed), create if not.
/// Returns: "created", "updated", or "unchanged".
///
/// Provenance is determined by the POC_PROVENANCE env var if set,
/// otherwise defaults to Manual.
pub fn upsert(&mut self, key: &str, content: &str) -> Result<&'static str, String> {
let prov = Provenance::from_env().unwrap_or(Provenance::Manual);
self.upsert_provenance(key, content, prov)
}
/// Upsert with explicit provenance (for agent-created nodes).
pub fn upsert_provenance(&mut self, key: &str, content: &str, provenance: Provenance) -> Result<&'static str, String> {
if let Some(existing) = self.nodes.get(key) {
if existing.content == content {
return Ok("unchanged");
}
let mut node = existing.clone();
node.content = content.to_string();
node.provenance = provenance;
node.version += 1;
self.append_nodes(std::slice::from_ref(&node))?;
self.nodes.insert(key.to_string(), node);
Ok("updated")
} else {
let mut node = new_node(key, content);
node.provenance = provenance;
self.append_nodes(std::slice::from_ref(&node))?;
self.uuid_to_key.insert(node.uuid, node.key.clone());
self.nodes.insert(key.to_string(), node);
Ok("created")
}
}
/// Soft-delete a node (appends deleted version, removes from cache).
pub fn delete_node(&mut self, key: &str) -> Result<(), String> {
let node = self.nodes.get(key)
.ok_or_else(|| format!("No node '{}'", key))?;
let mut deleted = node.clone();
deleted.deleted = true;
deleted.version += 1;
self.append_nodes(std::slice::from_ref(&deleted))?;
self.nodes.remove(key);
Ok(())
}
/// Rename a node: change its key, update debug strings on all edges.
///
/// Graph edges (source/target UUIDs) are unaffected — they're already
/// UUID-based. We update the human-readable source_key/target_key strings
/// on relations, and created_at is preserved untouched.
///
/// Appends: (new_key, v+1) + (old_key, deleted, v+1) + updated relations.
pub fn rename_node(&mut self, old_key: &str, new_key: &str) -> Result<(), String> {
if old_key == new_key {
return Ok(());
}
if self.nodes.contains_key(new_key) {
return Err(format!("Key '{}' already exists", new_key));
}
let node = self.nodes.get(old_key)
.ok_or_else(|| format!("No node '{}'", old_key))?
.clone();
// New version under the new key
let mut renamed = node.clone();
renamed.key = new_key.to_string();
renamed.version += 1;
// Deletion record for the old key (same UUID, independent version counter)
let mut tombstone = node.clone();
tombstone.deleted = true;
tombstone.version += 1;
// Collect affected relations and update their debug key strings
let updated_rels: Vec<_> = self.relations.iter()
.filter(|r| r.source_key == old_key || r.target_key == old_key)
.map(|r| {
let mut r = r.clone();
r.version += 1;
if r.source_key == old_key { r.source_key = new_key.to_string(); }
if r.target_key == old_key { r.target_key = new_key.to_string(); }
r
})
.collect();
// Persist (each append acquires its own file lock)
self.append_nodes(&[renamed.clone(), tombstone])?;
if !updated_rels.is_empty() {
self.append_relations(&updated_rels)?;
}
// Update in-memory cache
self.nodes.remove(old_key);
self.uuid_to_key.insert(renamed.uuid, new_key.to_string());
self.nodes.insert(new_key.to_string(), renamed);
for updated in &updated_rels {
if let Some(r) = self.relations.iter_mut().find(|r| r.uuid == updated.uuid) {
r.source_key = updated.source_key.clone();
r.target_key = updated.target_key.clone();
r.version = updated.version;
}
}
Ok(())
}
/// Modify a node in-place, bump version, and persist to capnp log.
fn modify_node(&mut self, key: &str, f: impl FnOnce(&mut Node)) -> Result<(), String> {
let node = self.nodes.get_mut(key)
.ok_or_else(|| format!("No node '{}'", key))?;
f(node);
node.version += 1;
let node = node.clone();
self.append_nodes(&[node])
}
pub fn mark_used(&mut self, key: &str) {
let boost = self.params.use_boost as f32;
let _ = self.modify_node(key, |n| {
n.uses += 1;
n.weight = (n.weight + boost).min(1.0);
if n.spaced_repetition_interval < 30 {
n.spaced_repetition_interval = match n.spaced_repetition_interval {
1 => 3, 3 => 7, 7 => 14, 14 => 30, _ => 30,
};
}
n.last_replayed = now_epoch();
});
}
pub fn mark_wrong(&mut self, key: &str, _ctx: Option<&str>) {
let _ = self.modify_node(key, |n| {
n.wrongs += 1;
n.weight = (n.weight - 0.1).max(0.0);
n.spaced_repetition_interval = 1;
});
}
pub fn record_gap(&mut self, desc: &str) {
self.gaps.push(GapRecord {
description: desc.to_string(),
timestamp: today(),
});
}
/// Cap node degree by soft-deleting edges from mega-hubs.
pub fn cap_degree(&mut self, max_degree: usize) -> Result<(usize, usize), String> {
let mut node_degree: HashMap<String, usize> = HashMap::new();
for rel in &self.relations {
if rel.deleted { continue; }
*node_degree.entry(rel.source_key.clone()).or_default() += 1;
*node_degree.entry(rel.target_key.clone()).or_default() += 1;
}
let mut node_edges: HashMap<String, Vec<usize>> = HashMap::new();
for (i, rel) in self.relations.iter().enumerate() {
if rel.deleted { continue; }
node_edges.entry(rel.source_key.clone()).or_default().push(i);
node_edges.entry(rel.target_key.clone()).or_default().push(i);
}
let mut to_delete: HashSet<usize> = HashSet::new();
let mut hubs_capped = 0;
for (_key, edge_indices) in &node_edges {
let active: Vec<usize> = edge_indices.iter()
.filter(|&&i| !to_delete.contains(&i))
.copied()
.collect();
if active.len() <= max_degree { continue; }
let mut auto_indices: Vec<(usize, f32)> = Vec::new();
let mut link_indices: Vec<(usize, usize)> = Vec::new();
for &i in &active {
let rel = &self.relations[i];
if rel.rel_type == RelationType::Auto {
auto_indices.push((i, rel.strength));
} else {
let other = if &rel.source_key == _key {
&rel.target_key
} else {
&rel.source_key
};
let other_deg = node_degree.get(other).copied().unwrap_or(0);
link_indices.push((i, other_deg));
}
}
let excess = active.len() - max_degree;
auto_indices.sort_by(|a, b| a.1.total_cmp(&b.1));
let auto_prune = excess.min(auto_indices.len());
for &(i, _) in auto_indices.iter().take(auto_prune) {
to_delete.insert(i);
}
let remaining_excess = excess.saturating_sub(auto_prune);
if remaining_excess > 0 {
link_indices.sort_by(|a, b| b.1.cmp(&a.1));
let link_prune = remaining_excess.min(link_indices.len());
for &(i, _) in link_indices.iter().take(link_prune) {
to_delete.insert(i);
}
}
hubs_capped += 1;
}
let mut pruned_rels = Vec::new();
for &i in &to_delete {
self.relations[i].deleted = true;
self.relations[i].version += 1;
pruned_rels.push(self.relations[i].clone());
}
if !pruned_rels.is_empty() {
self.append_relations(&pruned_rels)?;
}
self.relations.retain(|r| !r.deleted);
Ok((hubs_capped, to_delete.len()))
}
/// Update graph-derived fields on all nodes
pub fn update_graph_metrics(&mut self) {
let g = self.build_graph();
let communities = g.communities();
for (key, node) in &mut self.nodes {
node.community_id = communities.get(key).copied();
node.clustering_coefficient = Some(g.clustering_coefficient(key));
node.degree = Some(g.degree(key) as u32);
}
}
}