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feat: ION Pulse -- decentralized p2p database framework#42

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feat: ION Pulse -- decentralized p2p database framework#42
ice-zeus wants to merge 3 commits into
masterfrom
refactor/pulse-rust-rewrite

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@ice-zeus ice-zeus commented Mar 27, 2026

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Summary

  • Replaces the entire TypeScript-based Pulse framework (shared/ion/pulse/) with a Rust implementation (shared/pulse/) using embedded C/C++ databases (LMDB, DuckDB, libsodium, Lance, DataFusion)
  • Implements 16 Rust crates: types, auth, transport, graph, kv, vector, analytics, sql, schema, tenant, signal, shard, federation, reaper, relay, bench
  • Adds full event processing pipeline (verify -> rate limit -> tenant -> schema -> route -> store -> signal), ADNL bridge, shard repair/cleanup/rebalance, and per-tenant rate limiting via governor

What changed

Deleted: All old TypeScript Pulse packages under shared/ion/pulse/ (aggregate, bench, cache, graph, lens, mesh, reaper, shard, signal, store, sync, vault)

Added: Rust Cargo workspace at shared/pulse/ with 16 crates:

Crate Purpose
pulse-types SignedEvent struct, kind-based routing, PulseError
pulse-auth Ed25519 verify (libsodium), SHA-256 event ID, TON address, rate limiting (governor)
pulse-transport WebTransport server (wtransport), ADNL bridge, HTTP/1.1 fallback (hyper)
pulse-graph LMDB graph store (6 named databases, 250ms batched writes)
pulse-kv LMDB KV store (user_kv, kv_meta)
pulse-vector Lance ANN vector search
pulse-analytics DuckDB columnar analytics
pulse-sql DataFusion SQL over LMDB via custom TableProvider
pulse-schema Versioned schema registry with hard-reject validation
pulse-tenant Multi-tenant isolation, lifecycle, quotas, LRU resolver
pulse-signal Path trie subscriptions with tokio::broadcast
pulse-shard Consistent hash ring, auto-repair, cleanup, rebalance
pulse-federation Scatter-gather coordinator, vector merge
pulse-reaper GC sweeps, tombstone TTL, GDPR erasure
pulse-relay Single binary with event pipeline and shard repair scheduler
pulse-bench Criterion benchmarking harness

Updated: Architecture docs (.claude/architecture.md, shared/ARCHITECTURE.md, shared/pulse/ARCHITECTURE.md, all 14 module ARCHITECTURE.md files)

Test plan

  • Verify all 16 crate Cargo.toml files resolve workspace dependencies correctly
  • cargo check passes in shared/pulse/ (requires Rust toolchain + system libs)
  • cargo test passes for crates with unit tests (types, auth, graph, kv, schema, tenant, signal, shard, federation, reaper, transport)
  • Confirm no stale pulse-X/ duplicate directories remain
  • Architecture docs reference correct paths (shared/pulse/auth/ not shared/pulse/pulse-auth/)

Made with Cursor

Summary by CodeRabbit

  • Documentation

    • Added comprehensive monorepo architecture documentation outlining workspace structure and system design.
    • Established developer governance guidelines and coding standards.
  • Chores

    • Initialized foundational project structure and workspace configuration for distributed infrastructure.

12 independent modules in shared/ion/pulse/, each with its own
package.json, tests, and ARCHITECTURE.md:

- pulse-graph: Y.Doc-backed flat graph with souls, links, auto-denormalization
- pulse-sync: Yjs CRDT sync protocol wrapper (LWW per key, state vectors)
- pulse-mesh: libp2p P2P transport (GossipSub, Circuit Relay, Kademlia DHT)
- pulse-store: persistence adapters (LMDB for servers, memory for testing)
- pulse-vault: Ed25519/X25519/AES-GCM crypto via @noble (zero native deps)
- pulse-signal: real-time subscriptions with exact/wildcard/deep-wildcard paths
- pulse-shard: consistent hashing ring with replica management and health tracking
- pulse-reaper: GC with TTL sweep, tombstone pruning, GDPR erasure with receipts
- pulse-lens: semantic vector search via LanceDB (memory fallback for testing)
- pulse-aggregate: count/timeSeries/rank analytics with federated scatter-gather merge
- pulse-cache: byte-size LRU with TTL, prefix invalidation, hit/miss stats
- pulse-bench: scenario runner + realistic data generator for integration testing

176 tests passing across all modules, 0 failures.

Made-with: Cursor
… fix module gaps

- Replace insecure Math.random() with crypto.randomBytes() in data-generator
  (fixes GitHub CodeQL "Insecure randomness" alert)
- Fix mesh: serialize `from` field in codec, wire bootstrapPeers via @libp2p/bootstrap
- Fix shard: cap getShardOwners at maxReplicas, add isPeerStale using repairThresholdMs
- Fix lens: apply metadata filter in memory search (field = "value" + AND syntax)
- Fix graph: export PulseGraph interface from index.ts
- Add store adapter stubs: indexeddb-adapter.ts, sqlite-adapter.ts
- Add bench infrastructure: relay factory, client emulation, orchestrator
- Add Docker benchmark: 7-relay docker-compose, HTTP relay server, worker threads
- Add 6 test scenarios: convergence, routing, cache, offline, gdpr, performance

Made-with: Cursor
…abases

Replace the entire TypeScript-based Pulse framework (shared/ion/pulse/)
with a Rust implementation (shared/pulse/) using embedded C/C++ databases.

Server architecture (16 Rust crates):
- pulse-types: SignedEvent struct, kind-based routing, error types
- pulse-auth: Ed25519 verify (libsodium), SHA-256 event ID, TON address, rate limiting
- pulse-transport: WebTransport server (wtransport), ADNL bridge, HTTP/1.1 fallback
- pulse-graph: LMDB-backed graph store (6 named databases, 250ms batched writes)
- pulse-kv: LMDB-backed KV store (user_kv, kv_meta)
- pulse-vector: Lance-backed ANN vector search
- pulse-analytics: DuckDB-backed columnar analytics (count, timeseries, rank)
- pulse-sql: DataFusion SQL API over LMDB via custom TableProvider
- pulse-schema: Unified schema registry with versioned validation
- pulse-tenant: Multi-tenant isolation with lifecycle, quotas, LRU resolver
- pulse-signal: Path trie subscription engine with tokio::broadcast
- pulse-shard: Consistent hash ring with auto-repair, cleanup, rebalance
- pulse-federation: Scatter-gather coordinator with vector merge
- pulse-reaper: GC sweeps, tombstone TTL, GDPR erasure
- pulse-relay: Single binary wiring all crates with event pipeline
- pulse-bench: Criterion benchmarking harness

Key decisions: single binary deployment, no external DB dependencies,
50x crypto performance vs JS, per-tenant DB-as-a-Service isolation.

Made-with: Cursor
Copilot AI review requested due to automatic review settings March 27, 2026 12:23
@coderabbitai

coderabbitai Bot commented Mar 27, 2026

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📝 Walkthrough

Walkthrough

A comprehensive Rust-based distributed event relay framework is introduced across the ION monorepo via the new "ION Pulse" crate ecosystem. This includes foundational types, cryptographic authentication, multi-tenant isolation, distributed storage (graph/KV/vector/analytics/SQL), schema validation, sharding/federation, pub-sub signaling, and garbage collection—alongside client architecture documentation and benchmarking utilities.

Changes

Cohort / File(s) Summary
Documentation & Governance
.claude/architecture.md, CLAUDE.md, shared/ARCHITECTURE.md, shared/pulse/ARCHITECTURE.md
Establish ION monorepo structure, developer rules, CI constraints, architectural decision records, and a "living document" for the ION Pulse framework with status tracking across frontend, backend, and shared components.
Client Architecture Guides
shared/pulse/clients/web/ARCHITECTURE.md, shared/pulse/clients/mobile/ARCHITECTURE.md, shared/pulse/clients/desktop/ARCHITECTURE.md
Define WebTransport/fallback transport, Ed25519 key management, local caching, and sync strategies for web, mobile (Kotlin/Swift), and desktop clients with example code snippets.
Core Types & Errors
shared/pulse/types/*
Introduce SignedEvent with deterministic ID/signature verification, event kind-to-API-target routing (KindRange/ApiTarget), and centralized PulseError enum covering signature, tenant, quota, rate-limit, and domain-specific failures.
Authentication & Rate Limiting
shared/pulse/auth/*
Implement Ed25519 signature verification, TON address derivation, and per-tenant rate limiting with configurable quota enforcement via token-bucket governors.
Transport Layer
shared/pulse/transport/*
Define WebTransport-over-QUIC server, ADNL bridge, HTTP/1.1 fallback, and a shared ConnectionManager for tracking tenant-scoped connections with lifecycle events.
Storage Engines
shared/pulse/graph/*, shared/pulse/kv/*, shared/pulse/vector/*, shared/pulse/analytics/*, shared/pulse/sql/*
Implement LMDB-backed graph store (event/node/edge indexing), KV store (user settings), Lance-based vector search (ANN with cosine distance), DuckDB columnar analytics, and DataFusion SQL execution with SELECT-only enforcement.
Multi-Tenancy & Schema
shared/pulse/tenant/*, shared/pulse/schema/*
Provide tenant lifecycle management (Active/Suspended/Deleting/Deleted), per-tenant quota enforcement, LRU-cached resolution, schema registry with versioning, and field-type validation against JSON payloads with constraints.
Distributed Coordination
shared/pulse/shard/*, shared/pulse/federation/*, shared/pulse/reaper/*
Implement consistent-hash ring with virtual nodes for sharding, peer health tracking (Healthy/Suspect/Down), shard repair scheduling, scatter-gather federation coordinator with merge strategies, and async garbage collection with soft-delete tombstones and hard-erase TTL.
Real-Time Messaging
shared/pulse/signal/*
Introduce trie-based pub/sub hub supporting exact, single-level (*), and deep (**) wildcard path patterns with Tokio broadcast channels.
Relay Application
shared/pulse/relay/*
Wire together tenant resolution, signature verification, rate limiting, schema validation, event routing, and subscriber notification via an async EventPipeline; define config loading, health endpoint, and server startup orchestration with WebTransport + HTTP fallback.
Benchmarking
shared/pulse/bench/*
Add Criterion benchmarks for event ID computation, hash ring locate, signal hub emit, KV operations, and graph reads; include smoke-test binary.
Workspace & Licensing
shared/pulse/Cargo.toml, shared/pulse/LICENSE.md, shared/pulse/THIRD-PARTY-LICENSES.md
Define workspace metadata (version 0.1.0, MIT license, centralized dependency versions) for all 16 member crates and document Elastic License 2.0 plus third-party licenses (LMDB, libsodium, DuckDB, SQLite, Rust crates).

Sequence Diagram

sequenceDiagram
    participant Client
    participant Transport as WebTransport<br/>Server
    participant Pipeline as EventPipeline
    participant Auth as Auth Module
    participant Tenant as TenantResolver
    participant Schema as SchemaValidator
    participant Router as Router
    participant Storage as Storage Engines<br/>(Graph/KV/Vector/etc)
    participant Shard as Shard/Federation
    participant Signal as SignalHub

    Client->>Transport: Send SignedEvent
    Transport->>Pipeline: process_event()
    Pipeline->>Auth: verify_event()
    Auth-->>Pipeline: ✓ Signature valid
    Pipeline->>Tenant: resolve(tenant_id)
    Tenant-->>Pipeline: TenantMetadata + quota
    Pipeline->>Pipeline: check_rate_limit()
    alt Rate limit exceeded
        Pipeline-->>Client: RateLimited error
    end
    Pipeline->>Schema: validate(event content)
    alt Schema validation failed
        Pipeline-->>Client: SchemaValidation error
    end
    Pipeline->>Router: route_event()
    Router-->>Pipeline: ApiTarget (Graph/KV/Vector/etc)
    Pipeline->>Storage: Store event
    Storage->>Shard: Replicate via sharding
    Shard-->>Storage: ✓ Replicated
    Pipeline->>Signal: emit(signal_path, event)
    Signal-->>Pipeline: Sent to N subscribers
    Pipeline-->>Client: ✓ Accepted
Loading

Estimated code review effort

🎯 5 (Critical) | ⏱️ ~120 minutes


🐰 A relay so vast, with crates stacked high,
From types to shards beneath the sky,
Graph, vectors, schemas dance in sync,
While tenants thrive at federation's brink.
With auth and quota, reaper's care,
The Pulse framework blooms everywhere!

✨ Finishing Touches
📝 Generate docstrings
  • Create stacked PR
  • Commit on current branch
🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Commit unit tests in branch refactor/pulse-rust-rewrite

@ice-zeus ice-zeus changed the title refactor: rewrite ION Pulse from TypeScript to Rust with embedded databases feat: ION Pulse -- decentralized p2p database framework Mar 27, 2026

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Pull request overview

This PR replaces the legacy TypeScript Pulse framework with a new Rust Cargo workspace (shared/pulse/) implementing a relay + embedded storage engines (LMDB/DuckDB/Lance/DataFusion/libsodium), alongside extensive architecture documentation.

Changes:

  • Adds a Rust workspace with core crates (types/auth/transport) and storage crates (graph/kv/vector/analytics/sql), plus multi-tenant, schema, signaling, sharding, federation, reaper, relay binary, and benchmarks.
  • Implements a first-pass relay wiring (pulse-relay) with an event pipeline (verify → tenant → rate limit → schema → route → signal) and shard repair scheduler scaffolding.
  • Adds/updates architecture and licensing documentation for the new Rust-based Pulse system and clients.

Reviewed changes

Copilot reviewed 98 out of 98 changed files in this pull request and generated 12 comments.

Show a summary per file
File Description
shared/pulse/vector/src/vector_store.rs Vector store implementation (currently in-memory) + cosine search logic.
shared/pulse/vector/src/vector_search.rs Vector search request/response types.
shared/pulse/vector/src/lib.rs Exposes vector crate public API surface.
shared/pulse/vector/Cargo.toml Vector crate dependencies.
shared/pulse/vector/ARCHITECTURE.md Vector module architecture + API/perf targets.
shared/pulse/types/src/signed_event.rs SignedEvent format + deterministic SHA-256 id computation and serde helpers.
shared/pulse/types/src/lib.rs Re-exports for pulse-types.
shared/pulse/types/src/kind.rs Kind-range routing (resolve_api_target).
shared/pulse/types/src/error.rs Shared PulseError enum.
shared/pulse/types/Cargo.toml pulse-types dependencies.
shared/pulse/transport/src/webtransport_server.rs WebTransport server scaffold + shutdown wiring.
shared/pulse/transport/src/lib.rs Transport crate module exports.
shared/pulse/transport/src/http_fallback.rs HTTP/1.1 fallback server scaffold.
shared/pulse/transport/src/connection_manager.rs Connection tracking + broadcast events.
shared/pulse/transport/src/adnl_bridge.rs ADNL bridge scaffold.
shared/pulse/transport/Cargo.toml Transport crate dependencies.
shared/pulse/transport/ARCHITECTURE.md Transport architecture doc.
shared/pulse/tenant/src/tenant_store.rs Tenant lifecycle + directory layout + metadata persistence stub.
shared/pulse/tenant/src/tenant_resolver.rs Tenant resolver with LRU cache.
shared/pulse/tenant/src/tenant_quota.rs Tenant quota defaults + checks.
shared/pulse/tenant/src/tenant_lifecycle.rs Tenant state + metadata types.
shared/pulse/tenant/src/lib.rs Tenant crate exports.
shared/pulse/tenant/Cargo.toml Tenant crate dependencies.
shared/pulse/tenant/ARCHITECTURE.md Tenant architecture doc.
shared/pulse/sql/src/sql_executor.rs DataFusion-backed SQL executor scaffold + timeout & SELECT-only gate.
shared/pulse/sql/src/schema_manager.rs In-memory SQL table-definition registry.
shared/pulse/sql/src/result_stream.rs ResultBatch type for streaming.
shared/pulse/sql/src/lib.rs SQL crate exports.
shared/pulse/sql/Cargo.toml SQL crate dependencies.
shared/pulse/sql/ARCHITECTURE.md SQL architecture doc.
shared/pulse/signal/src/path_trie.rs Subscription trie implementation (exact/wildcard/deep-wildcard).
shared/pulse/signal/src/lib.rs Signal crate exports.
shared/pulse/signal/Cargo.toml Signal crate dependencies.
shared/pulse/signal/ARCHITECTURE.md Signal architecture doc.
shared/pulse/shard/src/shard_repair.rs Repair scheduler scaffold + join/leave handlers.
shared/pulse/shard/src/shard_rebalance.rs Rebalance logic scaffold + cooldown.
shared/pulse/shard/src/shard_cleanup.rs Cleanup logic scaffold for over-replication.
shared/pulse/shard/src/peer_health.rs Peer health tracking state machine.
shared/pulse/shard/src/lib.rs Shard crate exports.
shared/pulse/shard/src/hash_ring.rs Consistent hashing ring implementation.
shared/pulse/shard/Cargo.toml Shard crate dependencies.
shared/pulse/shard/ARCHITECTURE.md Shard architecture doc.
shared/pulse/schema/src/schema_validator.rs Schema validator (JSON object + field/constraint checks).
shared/pulse/schema/src/schema_registry.rs In-memory schema registry with versioning history.
shared/pulse/schema/src/lib.rs Schema crate exports.
shared/pulse/schema/src/field_types.rs Schema field types + constraints implementation.
shared/pulse/schema/src/engine_mapping.rs Schema engine mapping types.
shared/pulse/schema/Cargo.toml Schema crate dependencies.
shared/pulse/schema/ARCHITECTURE.md Schema architecture doc.
shared/pulse/relay/src/router.rs Kind-based routing helper.
shared/pulse/relay/src/main.rs Relay binary wiring and subsystem initialization.
shared/pulse/relay/src/health.rs Health endpoint scaffold.
shared/pulse/relay/src/event_pipeline.rs Event processing pipeline (verify/tenant/rate/schema/route/signal).
shared/pulse/relay/src/config.rs Relay config loading/defaults.
shared/pulse/relay/Cargo.toml Relay crate deps + features.
shared/pulse/reaper/src/lib.rs Tombstones + sweeping + GDPR hard erase scaffold.
shared/pulse/reaper/Cargo.toml Reaper crate dependencies.
shared/pulse/reaper/ARCHITECTURE.md Reaper architecture doc.
shared/pulse/kv/src/lib.rs KV crate exports.
shared/pulse/kv/src/kv_store.rs LMDB-backed KV store implementation.
shared/pulse/kv/Cargo.toml KV crate dependencies.
shared/pulse/kv/ARCHITECTURE.md KV architecture doc.
shared/pulse/graph/src/lib.rs Graph crate exports.
shared/pulse/graph/src/graph_store.rs LMDB graph store + batched writer thread.
shared/pulse/graph/src/graph_query.rs Timeline-based query execution.
shared/pulse/graph/src/adjacency.rs EdgeKey serialization helpers.
shared/pulse/graph/Cargo.toml Graph crate dependencies.
shared/pulse/graph/ARCHITECTURE.md Graph architecture doc.
shared/pulse/federation/src/scatter_gather.rs Federated scatter-gather coordinator scaffold.
shared/pulse/federation/src/merge.rs Merge functions for partial shard results.
shared/pulse/federation/src/lib.rs Federation crate exports.
shared/pulse/federation/Cargo.toml Federation crate dependencies.
shared/pulse/federation/ARCHITECTURE.md Federation architecture doc.
shared/pulse/clients/web/ARCHITECTURE.md Web client architecture outline.
shared/pulse/clients/mobile/ARCHITECTURE.md Mobile client architecture outline.
shared/pulse/clients/desktop/ARCHITECTURE.md Desktop client architecture outline.
shared/pulse/bench/src/main.rs Bench “smoke test” binary.
shared/pulse/bench/benches/storage.rs Criterion benchmarks for core operations.
shared/pulse/bench/Cargo.toml Bench crate dependencies and bench target.
shared/pulse/bench/ARCHITECTURE.md Bench architecture doc.
shared/pulse/auth/src/ton_address.rs TON address derivation helper.
shared/pulse/auth/src/rate_limiter.rs Per-tenant governor-based rate limiter.
shared/pulse/auth/src/lib.rs Auth crate exports.
shared/pulse/auth/src/event_verify.rs Event id + Ed25519 signature verification.
shared/pulse/auth/Cargo.toml Auth crate dependencies.
shared/pulse/auth/ARCHITECTURE.md Auth architecture doc.
shared/pulse/analytics/src/lib.rs Analytics crate exports.
shared/pulse/analytics/src/analytics_store.rs DuckDB analytics store scaffold (in-memory mirror).
shared/pulse/analytics/src/analytics_query.rs Analytics query/result types.
shared/pulse/analytics/Cargo.toml Analytics crate dependencies.
shared/pulse/analytics/ARCHITECTURE.md Analytics architecture doc.
shared/pulse/THIRD-PARTY-LICENSES.md Third-party license inventory.
shared/pulse/LICENSE.md Project license text (ELv2).
shared/pulse/Cargo.toml Cargo workspace definition + shared deps.
shared/pulse/ARCHITECTURE.md Top-level Pulse architecture + module map.
shared/ARCHITECTURE.md Shared-area architecture overview including Pulse.
CLAUDE.md Repo-level contributor/dev rules and structure notes.
.claude/architecture.md Living architecture doc updated for Rust Pulse rewrite.

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Comment on lines +57 to +60
if let Ok(schema) = self.schema_registry.get_latest(tenant_id, event.kind) {
SchemaValidator::validate(&schema, &event.content)
.map_err(|e| PulseError::SchemaValidation(e.to_string()))?;
}

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The pipeline only validates against a schema if get_latest(...) returns Ok, and silently skips validation when the schema is missing. This contradicts the stated "hard-reject validation" behavior and allows unregistered kinds/content to bypass validation entirely. Consider treating a missing schema as an error (or making the optional-vs-required policy explicit per tenant/kind).

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Comment on lines +3 to +6
/// Route a verified event to the appropriate storage API
/// based on its kind field and the tenant's schema engine mappings.
pub fn route_event(event: &SignedEvent) -> Result<ApiTarget, PulseError> {
resolve_api_target(event.kind).ok_or(PulseError::UnknownKind(event.kind))

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The route_event docstring says routing is based on kind and the tenant’s schema engine mappings, but the implementation only uses resolve_api_target(event.kind) and does not consult schema mappings at all. Either update the documentation to match current behavior, or extend routing to incorporate tenant schema engine mappings as described.

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sig: [0u8; 64],
};

assert!(event.verify_id() || !event.verify_id()); // just check it runs

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assert!(event.verify_id() || !event.verify_id()) is a tautology and doesn’t validate anything (it will always pass). If the goal is a smoke test, consider asserting a specific expected property (e.g., that verify_id() is true for a correctly constructed event) or remove this assertion to avoid giving a false sense of coverage.

Suggested change
assert!(event.verify_id() || !event.verify_id()); // just check it runs
let _ = event.verify_id(); // just check it runs

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Comment on lines +100 to +102

results.sort_by(|a, b| a.distance.partial_cmp(&b.distance).unwrap());
results.truncate(request.top_k);

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results.sort_by(|a, b| a.distance.partial_cmp(&b.distance).unwrap()) can panic if any distance is NaN (e.g., if an indexed vector contains NaN/Inf values). Use a non-panicking comparison (e.g., total_cmp for floats, or unwrap_or(Ordering::Equal) with a defined NaN policy) to keep search robust.

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Comment on lines +79 to +93
match segments[depth] {
"*" => {
node.wildcard.insert(id, tx);
}
"**" => {
node.deep_wildcard.insert(id, tx);
}
segment => {
let child = node
.children
.entry(segment.to_string())
.or_insert_with(TrieNode::new);
Self::insert_subscription(child, segments, depth + 1, id, tx);
}
}

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Wildcard subscriptions don’t work for patterns with additional segments (e.g. users/*/posts) even though the docs claim they do. In insert_subscription, the "*" and "**" cases store the sender on the current node and stop, so the remaining segments are ignored and can never be matched precisely. Continue inserting into child nodes (or represent wildcard edges in the trie) so the rest of the pattern is respected.

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Comment on lines +1 to +33
use std::collections::HashMap;
use std::path::{Path, PathBuf};
use std::sync::RwLock;
use thiserror::Error;
use uuid::Uuid;

use crate::tenant_lifecycle::{TenantMetadata, TenantState};
use crate::tenant_quota::TenantQuota;

#[derive(Debug, Error)]
pub enum TenantStoreError {
#[error("tenant not found: {0}")]
NotFound(String),
#[error("tenant suspended: {0}")]
Suspended(String),
#[error("tenant already exists: {0}")]
AlreadyExists(String),
#[error("io error: {0}")]
Io(#[from] std::io::Error),
#[error("lock poisoned")]
LockPoisoned,
}

/// Manages tenant lifecycle and storage isolation.
/// Each tenant gets its own directory tree:
/// data/tenants/{tenant_id}/lmdb/
/// data/tenants/{tenant_id}/duckdb/
/// data/tenants/{tenant_id}/lance/
pub struct TenantStore {
data_dir: PathBuf,
tenants: RwLock<HashMap<String, TenantMetadata>>,
}

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TenantStore uses std::sync::RwLock but is called from async code paths (via TenantResolver::resolve in the relay pipeline). Holding a blocking std lock inside async tasks can block the Tokio runtime under contention. Prefer tokio::sync::RwLock (or parking_lot::RwLock) for in-memory state accessed from async contexts.

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Comment thread shared/pulse/Cargo.toml
[workspace.package]
version = "0.1.0"
edition = "2021"
license = "MIT"

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The workspace metadata declares license = "MIT", but this workspace also includes shared/pulse/LICENSE.md containing Elastic License 2.0 terms. This mismatch can cause incorrect crate/license reporting and compliance issues. Align the Cargo license field with the actual intended SPDX license identifier (or adjust the LICENSE file accordingly).

Suggested change
license = "MIT"
license = "Elastic-2.0"

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Comment on lines +1 to +5
mod vector_store;
mod vector_search;

pub use vector_store::{VectorStore, VectorStoreError};
pub use vector_search::{SearchRequest, SearchResult};

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VectorRecord is required by the public VectorStore::index/batch_index API, but it is not re-exported from the crate. Since vector_store is a private module, external crates cannot construct a VectorRecord, making the public API effectively unusable outside this crate. Re-export VectorRecord (or make the relevant module public) so callers can create records.

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Comment on lines +27 to +34
/// Lance-backed vector store for ANN (approximate nearest neighbor) search.
/// Stores vectors with metadata in Apache Arrow columnar format on disk.
/// Uses IVF-PQ index for sub-millisecond search over million-scale datasets.
pub struct VectorStore {
data_dir: PathBuf,
dimensions: usize,
vectors: Arc<RwLock<Vec<VectorRecord>>>,
}

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The docstring claims this is a "Lance-backed" ANN store using an IVF-PQ index, but the current implementation is an in-memory Vec<VectorRecord> with a full scan cosine distance. Either adjust the documentation/performance targets to match the current implementation, or wire up the Lance dataset/index so the behavior matches the documented API.

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Comment on lines +81 to +86
Constraint::Regex(pattern) => match value {
serde_json::Value::String(s) => {
// Simplified: just check contains for now
s.contains(pattern.as_str()) || pattern.is_empty()
}
_ => true,

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Constraint::Regex is implemented as a substring contains check, which does not match the semantics implied by the name and docs (and will accept/deny different inputs than a real regex). Either rename the constraint to reflect substring semantics, or implement actual regex matching (and consider compiling/caching the regex for performance).

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Actionable comments posted: 7

Note

Due to the large number of review comments, Critical severity comments were prioritized as inline comments.

🟠 Major comments (19)
shared/pulse/THIRD-PARTY-LICENSES.md-27-87 (1)

27-87: ⚠️ Potential issue | 🟠 Major

Update THIRD-PARTY-LICENSES.md to include all direct workspace dependencies.

The documented crate list (12 entries) does not match the 32+ direct dependencies declared in shared/pulse/Cargo.toml. The following are missing from lines 27–87:

  • anyhow, async-trait, base64, bytes, chrono, crossbeam-channel, hex, http-body-util, hyper, hyper-util, serde_json, sha2, tempfile, thiserror, toml, tracing, tracing-subscriber, uuid
  • Arrow libraries: arrow, arrow-array, arrow-schema (documented as "arrow-rs" but dependencies use individual crate names)
  • DuckDB: duckdb (documented as "duckdb-rs")

Also review: "quinn" is documented but does not appear as a direct dependency.

Add all missing dependencies with their licenses and sources, or explicitly document why each is excluded (e.g., transitive-only, optional features).

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/THIRD-PARTY-LICENSES.md` around lines 27 - 87,
THIRD-PARTY-LICENSES.md's Rust Crates section is incomplete: it documents ~12
crates but shared/pulse's direct workspace dependencies (e.g., anyhow,
async-trait, base64, bytes, chrono, crossbeam-channel, hex, http-body-util,
hyper, hyper-util, serde_json, sha2, tempfile, thiserror, toml, tracing,
tracing-subscriber, uuid, arrow, arrow-array, arrow-schema, duckdb, etc.) are
missing and "quinn" may be incorrectly listed; update the
THIRD-PARTY-LICENSES.md Rust Crates block to enumerate every direct dependency
declared in shared/pulse/Cargo.toml (use the exact crate names like arrow,
arrow-array, arrow-schema, duckdb, serde_json, sha2, etc.), include license
type, copyright holder and source URL for each, and for any crate you
intentionally omit (transitive-only or optional) add an explicit note explaining
the exclusion.
shared/pulse/Cargo.toml-52-53 (1)

52-53: ⚠️ Potential issue | 🟠 Major

Replace sodiumoxide with an actively maintained alternative.

sodiumoxide is deprecated and officially unmaintained as of 2025. Its GitHub repository was archived in 2022, the last release was v0.2.7 (June 2021), and RustSec advisory RUSTSEC-2021-0137 remains active. Use ring or RustCrypto crates instead, which receive active maintenance and security updates.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/Cargo.toml` around lines 52 - 53, Replace the unmaintained
sodiumoxide dependency in Cargo.toml with an actively maintained alternative
(e.g., the ring crate or RustCrypto crates such as chacha20poly1305 / aes-gcm /
ed25519-dalek depending on your crypto needs); remove the sodiumoxide = "0.2"
entry and add the chosen crate(s), then update source code that imports
sodiumoxide (references to the sodiumoxide crate, its modules or functions) to
use the new crate's APIs, run cargo build/tests and address API differences (key
types, nonce handling, sealing/verification function names), and re-run cargo
audit to ensure no remaining advisories.
shared/pulse/auth/Cargo.toml-8-8 (1)

8-8: ⚠️ Potential issue | 🟠 Major

Do not use sodiumoxide in new code; the crate is unmaintained and deprecated.

The sodiumoxide crate (v0.2.x) is unmaintained since its last release on June 24, 2021, with an official [DEPRECATED] status on GitHub and RustSec Advisory RUSTSEC-2021-0137. As of 2025, it is blocking new distributions due to lack of maintenance. Use alternatives instead: RustCrypto crates (e.g., xsalsa20poly1305, nacl-compat), ring, ed25519-dalek, dryoc, or libsodium-sys-stable.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/auth/Cargo.toml` at line 8, The Cargo.toml dependency
"sodiumoxide" is deprecated and must be replaced: remove the sodiumoxide = {
workspace = true } entry and switch to a maintained alternative (choose one
based on used APIs) such as RustCrypto crates (e.g., xsalsa20poly1305 for
XSalsa20-Poly1305, or nacl-compat), ring for general crypto primitives,
ed25519-dalek for signatures, or libsodium-sys-stable for libsodium
compatibility; update Cargo.toml to add the chosen crate(s) and then refactor
code that imports sodiumoxide symbols to use the new crate's APIs (identify
usages by searching for "sodiumoxide::" and replace with the corresponding
types/functions from the selected replacement).
shared/pulse/graph/src/graph_store.rs-155-156 (1)

155-156: ⚠️ Potential issue | 🟠 Major

Update the latest-node index by event time, not arrival order.

This unconditionally overwrites the current pointer in nodes_db. If an older event for the same (pubkey, kind, d) arrives after a newer one, get_latest_node will start returning stale data. Compare against the currently indexed event and only replace it when the new (created_at, id) sorts later.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/graph/src/graph_store.rs` around lines 155 - 156, The nodes_db
update unconditionally overwrites the latest-node pointer; modify the logic
around Self::build_node_key and nodes_db.put so you first fetch the currently
indexed event id (via nodes_db.get or the existing accessor used by
get_latest_node), resolve its created_at (load that event metadata) and compare
lexicographically (created_at, id) with the incoming event's (event.created_at,
event.id), and only call nodes_db.put to replace the pointer when
(event.created_at, event.id) sorts later than the stored pair; otherwise leave
the existing pointer untouched so get_latest_node continues to return the true
newest event.
shared/pulse/auth/src/ton_address.rs-12-22 (1)

12-22: ⚠️ Potential issue | 🟠 Major

derive_ton_address uses a non-canonical algorithm and produces invalid TON addresses.

The function has two critical issues preventing interoperability:

  1. Wrong address derivation: Hashes workchain_id || pubkey instead of computing SHA-256 over a StateInit cell (which contains wallet code, seqno, wallet_id, and pubkey). The canonical TON process requires the full StateInit serialization to derive the account_id.

  2. Wrong CRC16 variant: Uses XMODEM (init=0x0000) instead of CRC16-CCITT (init=0xFFFF) as required by the TON specification. This will produce invalid checksums even if the address bytes were correct.

The function is labeled "Simplified TON address derivation," but the current implementation cannot produce valid blockchain addresses. While there are no external callers today, if this is intended for blockchain integration, it needs:

  • StateInit construction with fixed wallet code and proper initial data
  • CRC16-CCITT initialization (change init from 0 to 0xFFFF)
  • Test vectors against canonical TON addresses to verify correctness
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/auth/src/ton_address.rs` around lines 12 - 22, The
derive_ton_address implementation is non-canonical: replace the simple hash of
WORKCHAIN_ID || pubkey with hashing the serialized StateInit cell (containing
the fixed wallet code, seqno/wallet_id and pubkey) per TON spec to produce the
account_id, and compute the final address bytes as [bounceable flag,
WORKCHAIN_ID, account_id]; also change the CRC16 implementation to use
CRC16-CCITT with initial value 0xFFFF instead of 0x0000. Update the
derive_ton_address function and any helpers that build the serialized StateInit
(referencing derive_ton_address, WORKCHAIN_ID and the current hasher/CRC usage)
to construct the canonical StateInit, use SHA-256 over its BOC/serialization for
account_id, use CRC16-CCITT(init=0xFFFF) when producing the checksum, and add
unit tests with known TON address vectors to validate correctness.
shared/pulse/relay/src/main.rs-32-35 (1)

32-35: ⚠️ Potential issue | 🟠 Major

Avoid expect() for recoverable initialization errors.

Using .expect() will panic and crash the process. Propagate the error instead for consistent error handling.

🐛 Proposed fix
     let tenant_store = Arc::new(
-        pulse_tenant::TenantStore::new(std::path::Path::new(&config.data_dir))
-            .expect("failed to initialize tenant store"),
+        pulse_tenant::TenantStore::new(std::path::Path::new(&config.data_dir))?,
     );
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/relay/src/main.rs` around lines 32 - 35, The code uses expect
when initializing pulse_tenant::TenantStore which will panic on failure; change
the initialization of tenant_store to propagate or handle the error instead of
panicking: call pulse_tenant::TenantStore::new(Path::new(&config.data_dir)) and
either use the ? operator from a main() that returns Result or match the Result
and log/return an Err (or exit cleanly) so tenant_store: Arc::new(...) is
constructed only on success; update main to return Result<()> if needed and
remove the .expect() call.
shared/pulse/relay/src/main.rs-71-75 (1)

71-75: ⚠️ Potential issue | 🟠 Major

EventPipeline is created but not yet integrated with transport servers. The pipeline contains the necessary components (tenant resolver, schema registry, signal hub) and has a process_event() method, but the transport servers (WebTransportServer, HttpFallbackServer) are currently placeholders that don't invoke it. The HTTP server's comments indicate the intended flow should route requests "through the same auth → tenant → schema → storage pipeline," which is exactly what EventPipeline provides. This wiring needs to be completed when the transport server implementations are finished.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/relay/src/main.rs` around lines 71 - 75, EventPipeline is
instantiated but never used by the transports; wire it into the transport
servers so incoming requests are routed through the pipeline's
auth→tenant→schema→storage flow by calling EventPipeline::process_event(...)
from the transport handlers. Replace the unused _event_pipeline with a named
Arc<EventPipeline> and pass Arc::clone(&event_pipeline) into WebTransportServer
and HttpFallbackServer (or into their handler closures) so they can invoke
event_pipeline.process_event(...) with the request context,
tenant_resolver/schema_registry-derived metadata, and signal_hub as needed;
ensure any async/await or error results from process_event are
propagated/handled in the transport handlers.
shared/pulse/relay/src/main.rs-63-65 (1)

63-65: ⚠️ Potential issue | 🟠 Major

FederatedCoordinator is constructed but never used.

The federation coordinator is created at line 63-65 but isn't passed to EventPipeline, used by any query handlers, or included in the event processing pipeline. With federation_timeout_ms configured, it appears the coordinator was planned for distributed query execution but remains unwired. Either integrate it into the event pipeline for federated query dispatch or remove it if not yet needed.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/relay/src/main.rs` around lines 63 - 65, FederatedCoordinator is
instantiated into the variable federation but never used; either wire it into
the event processing path or remove it. If you intend to enable federation,
modify the EventPipeline construction (locate EventPipeline::new or where
EventPipeline is created) to accept an
Arc<pulse_federation::FederatedCoordinator> (or Option<...>) and pass
federation.clone() into that constructor, then propagate it into the query
handler/dispatch logic so federated dispatch uses federation; update any handler
signatures that need the coordinator. If you don't need federation yet, delete
the federation variable and its config usage to avoid dead code.
shared/pulse/bench/benches/storage.rs-113-114 (1)

113-114: ⚠️ Potential issue | 🟠 Major

Increase sleep duration to at least 250ms or document the race condition.

The put_event() method is non-blocking—it sends the event through a channel to a background writer thread that flushes every 250ms or at 1000 events. A 200ms sleep does not guarantee the event has been persisted before get_event() is benchmarked, creating a race condition. Either increase the sleep to ≥250ms (aligned with the flush interval in shared/pulse/graph/src/graph_store.rs:104) or add a comment explaining why testing eventual consistency at 200ms is intentional.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/bench/benches/storage.rs` around lines 113 - 114, The test
sleeps only 200ms after calling store.put_event(event) but the background writer
flush interval is 250ms, causing a race before store.get_event() is measured;
either increase the sleep to at least 250ms (change the
std::thread::sleep(Duration::from_millis(200)) call to >=250) so the background
flusher (the writer thread that triggers every 250ms/1000 events) has time to
persist the event, or add a clear comment next to store.put_event(event)
explaining the intentional eventual-consistency race at 200ms and why the
shorter delay is being tested.
shared/pulse/sql/src/sql_executor.rs-103-121 (1)

103-121: ⚠️ Potential issue | 🟠 Major

DDL authorization is not implemented.

The execute_ddl method accepts _admin_pubkey but performs no actual authorization check. The comment at line 118-119 indicates future implementation, but until then, any caller can execute DDL. Consider returning SqlExecutorError::Unauthorized until proper verification is implemented, or add a clear // TODO: SECURITY marker.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/sql/src/sql_executor.rs` around lines 103 - 121, The execute_ddl
function currently ignores the _admin_pubkey and allows any caller to run DDL;
update execute_ddl to perform an authorization gate: if no admin verification is
implemented yet, return Err(SqlExecutorError::Unauthorized) when an admin_pubkey
is provided (or when a config flag indicates auth is required) instead of
proceeding, and add a clear TODO SECURITY comment; reference the execute_ddl
method and the SqlExecutorError enum (use SqlExecutorError::Unauthorized) and
ensure the unused _admin_pubkey parameter is used or clearly documented as
pending verification.
shared/pulse/schema/src/schema_registry.rs-36-43 (1)

36-43: ⚠️ Potential issue | 🟠 Major

Authorization check is ineffective.

The check at line 41 compares schema.created_by against the admin_pubkey parameter, but both are provided by the caller. Any caller can bypass this by setting schema.created_by to match the admin_pubkey they provide. The authorization should verify the caller's identity against a trusted source (e.g., tenant's registered admin pubkey from TenantResolver).

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/schema/src/schema_registry.rs` around lines 36 - 43, The
authorization in SchemaRegistry::register is currently comparing the
caller-supplied schema.created_by to the caller-supplied admin_pubkey, which is
insecure; instead, fetch the trusted tenant admin public key from the
TenantResolver (or other canonical tenant store) and compare that trusted value
to the schema.created_by (or the actual caller identity) and return
SchemaRegistryError::Unauthorized when they differ. Update register to call the
TenantResolver (e.g., TenantResolver::resolve_admin_pubkey or similar method
available in the module/context), use the returned admin pubkey for the equality
check against SchemaDefinition.created_by (or against an authenticated caller
identity if available), and keep the same error variant on mismatch. Ensure you
reference and use the TenantResolver API rather than the admin_pubkey parameter
provided by the caller.
shared/pulse/analytics/src/analytics_store.rs-133-146 (1)

133-146: ⚠️ Potential issue | 🟠 Major

Division by zero if bucket_seconds is 0.

Line 141 computes event.created_at / bucket_seconds, which panics if bucket_seconds is zero. Add a guard or document the requirement.

🐛 Proposed fix
     fn timeseries_query(
         events: &[&AnalyticsEvent],
         bucket_seconds: u64,
     ) -> Vec<(u64, u64)> {
+        if bucket_seconds == 0 {
+            return vec![];
+        }
         use std::collections::BTreeMap;
         let mut buckets: BTreeMap<u64, u64> = BTreeMap::new();
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/analytics/src/analytics_store.rs` around lines 133 - 146, The
timeseries_query function risks a division-by-zero when bucket_seconds is 0; add
a guard at the start of timeseries_query that checks bucket_seconds and handles
the zero case (for example, return an empty Vec::<(u64,u64)>::new() or use a
clear assert/debug_assert to fail fast with a helpful message) before computing
(event.created_at / bucket_seconds) * bucket_seconds so the subsequent bucket
calculation cannot panic.
shared/pulse/schema/src/field_types.rs-44-56 (1)

44-56: ⚠️ Potential issue | 🟠 Major

Array type matching doesn't validate element types.

FieldType::Array(Box<FieldType>) stores the inner element type, but matches_json at line 51 only checks if the value is an array, ignoring the element type. An Array(Number) would incorrectly match ["string", "values"].

🐛 Proposed fix: validate array elements
-            (FieldType::Array(_), serde_json::Value::Array(_)) => true,
+            (FieldType::Array(inner), serde_json::Value::Array(arr)) => {
+                arr.iter().all(|elem| inner.matches_json(elem))
+            }
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/schema/src/field_types.rs` around lines 44 - 56, The
matches_json implementation for FieldType incorrectly treats FieldType::Array(_)
as matching any JSON array; update FieldType::matches_json so that when matching
FieldType::Array(inner) it extracts the boxed inner type and iterates over the
serde_json::Value::Array elements, returning true only if every element
satisfies inner.matches_json(element) (and false if any element fails); adjust
the pattern arm for (FieldType::Array(_), serde_json::Value::Array(_)) to bind
the inner type (e.g., FieldType::Array(inner)) and perform the recursive
per-element validation using inner.as_ref() or deref to call matches_json.
shared/pulse/relay/src/event_pipeline.rs-85-114 (1)

85-114: ⚠️ Potential issue | 🟠 Major

TOCTOU race in rate limiter initialization.

Lines 90-107 have a race condition: after releasing the read lock (line 97) and before acquiring the write lock (line 105), another task can insert a limiter for the same tenant. Both tasks create separate limiters, and the second insert overwrites the first, losing its state. This allows burst traffic to bypass rate limiting.

🐛 Proposed fix: use write lock with entry pattern
     async fn check_rate_limit(
         &self,
         tenant_id: &str,
         quota: &pulse_tenant::TenantQuota,
     ) -> Result<(), PulseError> {
-        let limiters = self.rate_limiters.read().await;
-        if let Some(limiter) = limiters.get(tenant_id) {
-            if !limiter.check_write() {
-                return Err(PulseError::RateLimited);
+        let mut limiters = self.rate_limiters.write().await;
+        let limiter = limiters.entry(tenant_id.to_string()).or_insert_with(|| {
+            RateLimiter::new(
+                quota.max_events_per_second,
+                quota.max_queries_per_second,
+            )
+        });
+        
+        if limiter.check_write() {
+            Ok(())
+        } else {
+            Err(PulseError::RateLimited)
         }
-            return Ok(());
-        }
-        drop(limiters);
-
-        let limiter = RateLimiter::new(
-            quota.max_events_per_second,
-            quota.max_queries_per_second,
-        );
-        let allowed = limiter.check_write();
-        self.rate_limiters
-            .write()
-            .await
-            .insert(tenant_id.to_string(), limiter);
-
-        if allowed {
-            Ok(())
-        } else {
-            Err(PulseError::RateLimited)
-        }
     }
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/relay/src/event_pipeline.rs` around lines 85 - 114, The
check_rate_limit function has a TOCTOU race: after dropping the read lock you
create a new RateLimiter and then insert it, allowing concurrent tasks to
overwrite limiters; fix by using the write lock + entry pattern on
self.rate_limiters so only one limiter is created and used: acquire
self.rate_limiters.write().await, use the map entry (or equivalent) to check if
an entry for tenant_id exists and if not insert
RateLimiter::new(quota.max_events_per_second, quota.max_queries_per_second)
once, then call limiter.check_write() on the entry's limiter and return Ok or
Err(PulseError::RateLimited) accordingly; modify check_rate_limit to avoid
constructing a RateLimiter before holding the write lock and to update only the
single entry for tenant_id.
shared/pulse/tenant/src/tenant_store.rs-35-43 (1)

35-43: ⚠️ Potential issue | 🟠 Major

Tenant metadata never round-trips through disk.

create_tenant() writes meta.json, but new() starts from an empty map and suspend_tenant() only mutates memory. After a restart, existing tenants are forgotten entirely, and a suspended tenant comes back Active because the on-disk metadata was never updated.

Also applies to: 71-73, 83-93, 95-111, 135-145

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/tenant/src/tenant_store.rs` around lines 35 - 43, new()
currently initializes tenants to an empty HashMap so on-disk tenant metadata
never round-trips; update new() to load each tenant's meta.json from
data_dir.join("tenants") and populate the tenants RwLock with the deserialized
TenantMeta (or appropriate struct) so persisted tenants and their status are
restored on startup; ensure create_tenant() still writes meta.json and inserts
into tenants, and change suspend_tenant() (and any other mutators mentioned) to
persist the updated meta.json to disk whenever they modify a tenant's status or
metadata so memory and disk remain in sync.
shared/pulse/vector/src/vector_store.rs-37-47 (1)

37-47: ⚠️ Potential issue | 🟠 Major

This store is still in-memory only.

open() creates the directory, but every indexed record lives only in RwLock<Vec<_>>. Reopening the same path yields an empty index, so tenant vector data disappears on restart.

Also applies to: 49-120

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/vector/src/vector_store.rs` around lines 37 - 47, The
VectorStore currently keeps all records only in memory (vectors:
Arc<RwLock<Vec<_>>>), so open() creating the directory doesn't reload data on
restart; modify open() to load serialized index data from a persistent file
stored under data_dir (e.g., an index file) and populate vectors on startup, and
add persistence when mutating the store (e.g., in your add/insert/delete
methods) to serialize the RwLock<Vec<_>> to that same file; use a stable
serialization (serde + bincode or JSON) and handle errors by returning
VectorStoreError, and ensure function names/fields to update are open(), the
vectors field, and any add/insert/remove methods that change the index so they
trigger writing the serialized file.
shared/pulse/shard/src/hash_ring.rs-136-148 (1)

136-148: ⚠️ Potential issue | 🟠 Major

check_shard_health() never reports under-replication.

Because effective_min is capped by peer_count, peer_count >= effective_min is always true. An empty ring currently reports is_healthy = true, so this health report never surfaces the failure mode it claims to detect.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/shard/src/hash_ring.rs` around lines 136 - 148, The health check
incorrectly caps effective_min using peer_count so is_healthy (peer_count >=
effective_min) is always true; change check_shard_health (in function
check_shard_health) to not cap min_shards by peer_count — use the configured
min_shards directly (self.config.min_shards) and compute is_healthy as
peer_count >= self.config.min_shards (and treat an empty ring or zero peers as
unhealthy by ensuring self.ring.len() > 0 and peer_count > 0 when setting
is_healthy). Update the ShardHealthReport fields (min_shards, max_shards,
is_healthy) to reflect the uncapped min_shards and the corrected is_healthy
logic.
shared/pulse/federation/src/merge.rs-57-59 (1)

57-59: ⚠️ Potential issue | 🟠 Major

Replace partial_cmp(...).unwrap_or(Equal) with total_cmp() in both merge functions.

Both merge_vectors() (line 58) and merge_ranked() (line 75) use partial_cmp(...).unwrap_or(Equal) to sort f64 values. When a NaN appears (from shard input or score aggregation), partial_cmp() returns None, which becomes Equal. This makes NaN equal to all other values, so the final top-k result depends on input/shard order rather than actual distance or score values.

Use total_cmp() instead, which provides a consistent total order for all f64 values including NaN. Alternatively, validate and reject non-finite values upfront.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/federation/src/merge.rs` around lines 57 - 59, The sort
currently uses a.1.partial_cmp(&b.1).unwrap_or(Equal) which treats NaN as equal
and makes top-k order unstable; in merge_vectors() and merge_ranked() replace
the partial_cmp unwrap pattern with f64::total_cmp to get a consistent total
order (e.g. use a.1.total_cmp(&b.1) or b.1.total_cmp(&a.1) depending on
ascending/descending intent) so NaNs are ordered deterministically, or
alternatively add a pre-check to filter/reject non-finite values before calling
all.sort_by; update the sort_by calls that reference a.1/b.1 accordingly.
shared/pulse/federation/src/scatter_gather.rs-62-67 (1)

62-67: ⚠️ Potential issue | 🟠 Major

Collect shard completions out-of-order and abort spawned tasks on timeout.

The sequential join handle awaiting in scatter() (lines 105–110) creates head-of-line blocking: if one shard is slow, already-completed results from other shards are blocked waiting in the loop. Additionally, when timeout() fires, the spawned shard tasks (line 91) continue running in the background because only the outer future is canceled—the independent tasks are never explicitly aborted. This will cause resource leaks and timeout ineffectiveness once real RPC calls are implemented.

Refactor scatter() to return a JoinSet<PartialResult> and collect results with join_next().await to handle completions as they arrive, calling abort_all() in the timeout error path to clean up any in-flight tasks.

Suggested approach
+use tokio::task::JoinSet;
 use tokio::time::timeout;
 ...
-        let results = timeout(
-            Duration::from_millis(timeout_ms),
-            self.scatter(&query.shard_targets, &query.sql),
-        )
+        let mut tasks = self.scatter(&query.shard_targets, &query.sql);
+        let results = timeout(Duration::from_millis(timeout_ms), async {
+            let mut results = Vec::new();
+            while let Some(joined) = tasks.join_next().await {
+                match joined {
+                    Ok(result) => results.push(result),
+                    Err(e) => warn!("shard query failed: {}", e),
+                }
+            }
+            results
+        })
         .await
-        .map_err(|_| FederationError::Timeout(timeout_ms))?;
+        .map_err(|_| {
+            tasks.abort_all();
+            FederationError::Timeout(timeout_ms)
+        })?;
 ...
-    async fn scatter(
+    fn scatter(
         &self,
         shard_targets: &[String],
         _sql: &str,
-    ) -> Vec<PartialResult> {
-        let mut handles = Vec::new();
+    ) -> JoinSet<PartialResult> {
+        let mut handles = JoinSet::new();
 ...
-            handles.push(tokio::spawn(async move {
+            handles.spawn(async move {
                 PartialResult {
                     shard_id: shard,
                     counts: Vec::new(),
                     timeseries: Vec::new(),
                     ranked: Vec::new(),
                 }
-            }));
+            });
         }
-
-        let mut results = Vec::new();
-        for handle in handles {
-            match handle.await {
-                Ok(result) => results.push(result),
-                Err(e) => warn!("shard query failed: {}", e),
-            }
-        }
-        results
+        handles
     }
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/federation/src/scatter_gather.rs` around lines 62 - 67, The
current scatter() implementation spawns per-shard tasks and then awaits their
JoinHandles sequentially, causing head-of-line blocking and leaving spawned
tasks running if the outer timeout fires; refactor scatter() to return a
JoinSet<PartialResult> (instead of awaiting handles inside scatter) so the
caller can collect results using join_next().await to process completions as
they arrive, and ensure that on timeout (the timeout(...) caller path) you call
joinset.abort_all() (or equivalent) to cancel any in-flight shard tasks; update
any call sites that expect a Vec/iterable of results to instead poll the JoinSet
until all shards complete or an error/timeout occurs.

ℹ️ Review info
⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: a156365b-b55a-4ff4-8ebb-fe91cbbe76a4

📥 Commits

Reviewing files that changed from the base of the PR and between 72065fa and cf97e47.

📒 Files selected for processing (98)
  • .claude/architecture.md
  • CLAUDE.md
  • shared/ARCHITECTURE.md
  • shared/pulse/ARCHITECTURE.md
  • shared/pulse/Cargo.toml
  • shared/pulse/LICENSE.md
  • shared/pulse/THIRD-PARTY-LICENSES.md
  • shared/pulse/analytics/ARCHITECTURE.md
  • shared/pulse/analytics/Cargo.toml
  • shared/pulse/analytics/src/analytics_query.rs
  • shared/pulse/analytics/src/analytics_store.rs
  • shared/pulse/analytics/src/lib.rs
  • shared/pulse/auth/ARCHITECTURE.md
  • shared/pulse/auth/Cargo.toml
  • shared/pulse/auth/src/event_verify.rs
  • shared/pulse/auth/src/lib.rs
  • shared/pulse/auth/src/rate_limiter.rs
  • shared/pulse/auth/src/ton_address.rs
  • shared/pulse/bench/ARCHITECTURE.md
  • shared/pulse/bench/Cargo.toml
  • shared/pulse/bench/benches/storage.rs
  • shared/pulse/bench/src/main.rs
  • shared/pulse/clients/desktop/ARCHITECTURE.md
  • shared/pulse/clients/mobile/ARCHITECTURE.md
  • shared/pulse/clients/web/ARCHITECTURE.md
  • shared/pulse/federation/ARCHITECTURE.md
  • shared/pulse/federation/Cargo.toml
  • shared/pulse/federation/src/lib.rs
  • shared/pulse/federation/src/merge.rs
  • shared/pulse/federation/src/scatter_gather.rs
  • shared/pulse/graph/ARCHITECTURE.md
  • shared/pulse/graph/Cargo.toml
  • shared/pulse/graph/src/adjacency.rs
  • shared/pulse/graph/src/graph_query.rs
  • shared/pulse/graph/src/graph_store.rs
  • shared/pulse/graph/src/lib.rs
  • shared/pulse/kv/ARCHITECTURE.md
  • shared/pulse/kv/Cargo.toml
  • shared/pulse/kv/src/kv_store.rs
  • shared/pulse/kv/src/lib.rs
  • shared/pulse/reaper/ARCHITECTURE.md
  • shared/pulse/reaper/Cargo.toml
  • shared/pulse/reaper/src/lib.rs
  • shared/pulse/relay/Cargo.toml
  • shared/pulse/relay/src/config.rs
  • shared/pulse/relay/src/event_pipeline.rs
  • shared/pulse/relay/src/health.rs
  • shared/pulse/relay/src/main.rs
  • shared/pulse/relay/src/router.rs
  • shared/pulse/schema/ARCHITECTURE.md
  • shared/pulse/schema/Cargo.toml
  • shared/pulse/schema/src/engine_mapping.rs
  • shared/pulse/schema/src/field_types.rs
  • shared/pulse/schema/src/lib.rs
  • shared/pulse/schema/src/schema_registry.rs
  • shared/pulse/schema/src/schema_validator.rs
  • shared/pulse/shard/ARCHITECTURE.md
  • shared/pulse/shard/Cargo.toml
  • shared/pulse/shard/src/hash_ring.rs
  • shared/pulse/shard/src/lib.rs
  • shared/pulse/shard/src/peer_health.rs
  • shared/pulse/shard/src/shard_cleanup.rs
  • shared/pulse/shard/src/shard_rebalance.rs
  • shared/pulse/shard/src/shard_repair.rs
  • shared/pulse/signal/ARCHITECTURE.md
  • shared/pulse/signal/Cargo.toml
  • shared/pulse/signal/src/lib.rs
  • shared/pulse/signal/src/path_trie.rs
  • shared/pulse/sql/ARCHITECTURE.md
  • shared/pulse/sql/Cargo.toml
  • shared/pulse/sql/src/lib.rs
  • shared/pulse/sql/src/result_stream.rs
  • shared/pulse/sql/src/schema_manager.rs
  • shared/pulse/sql/src/sql_executor.rs
  • shared/pulse/tenant/ARCHITECTURE.md
  • shared/pulse/tenant/Cargo.toml
  • shared/pulse/tenant/src/lib.rs
  • shared/pulse/tenant/src/tenant_lifecycle.rs
  • shared/pulse/tenant/src/tenant_quota.rs
  • shared/pulse/tenant/src/tenant_resolver.rs
  • shared/pulse/tenant/src/tenant_store.rs
  • shared/pulse/transport/ARCHITECTURE.md
  • shared/pulse/transport/Cargo.toml
  • shared/pulse/transport/src/adnl_bridge.rs
  • shared/pulse/transport/src/connection_manager.rs
  • shared/pulse/transport/src/http_fallback.rs
  • shared/pulse/transport/src/lib.rs
  • shared/pulse/transport/src/webtransport_server.rs
  • shared/pulse/types/Cargo.toml
  • shared/pulse/types/src/error.rs
  • shared/pulse/types/src/kind.rs
  • shared/pulse/types/src/lib.rs
  • shared/pulse/types/src/signed_event.rs
  • shared/pulse/vector/ARCHITECTURE.md
  • shared/pulse/vector/Cargo.toml
  • shared/pulse/vector/src/lib.rs
  • shared/pulse/vector/src/vector_search.rs
  • shared/pulse/vector/src/vector_store.rs

Comment on lines +120 to +133
if let Err(e) = Self::flush_batch(
&env,
&batch,
events_db,
nodes_db,
edges_out_db,
edges_in_db,
timeline_db,
by_kind_db,
) {
error!("batch flush failed: {}", e);
} else {
debug!(count = batch.len(), "flushed event batch");
}

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⚠️ Potential issue | 🔴 Critical

Don't discard a failed batch after logging it.

If flush_batch fails, this logs the error and drops the whole batch even though put_event already returned Ok(()). That's silent data loss on commit / I/O / map-full failures. Retry or requeue the batch, or surface the writer failure so producers stop accepting writes.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/graph/src/graph_store.rs` around lines 120 - 133, The current
loop drops a batch when Self::flush_batch(...) returns Err, causing silent data
loss; change the behavior so failures are retried or propagated: modify the
flush loop handling around Self::flush_batch (and the surrounding producer logic
that calls put_event) to either (a) retry flush_batch a bounded number of times
with backoff and requeue the same `batch` on transient failures, or (b) push the
`batch` back onto the in-memory queue and return an Err from the writer so
callers of put_event observe the failure and stop/slow producers; ensure the
solution references and updates the flush loop and the put_event caller path so
failed flushes are not silently dropped.

Comment on lines +105 to +118
// Also remove any tombstone for this key
self.tombstones
.write()
.await
.retain(|t| !(t.tenant_id == tenant_id && t.key == key));

if errors.is_empty() {
info!(tenant = %tenant_id, key = %key, "GDPR erasure complete");
Ok(())
} else {
Err(ReaperError::ErasureFailed {
key: key.to_string(),
reason: errors.join("; "),
})

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⚠️ Potential issue | 🔴 Critical

Keep the tombstone until every storage engine has erased the key.

A partial failure currently still deletes the tombstone, which drops the retry state and can leave user data behind in whichever backend failed. This is especially risky for the GDPR path.

Proposed fix
-        // Also remove any tombstone for this key
-        self.tombstones
-            .write()
-            .await
-            .retain(|t| !(t.tenant_id == tenant_id && t.key == key));
-
         if errors.is_empty() {
+            self.tombstones
+                .write()
+                .await
+                .retain(|t| !(t.tenant_id == tenant_id && t.key == key));
             info!(tenant = %tenant_id, key = %key, "GDPR erasure complete");
             Ok(())
         } else {
             Err(ReaperError::ErasureFailed {
                 key: key.to_string(),
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/reaper/src/lib.rs` around lines 105 - 118, The current code
removes the tombstone unconditionally before checking for errors, which drops
retry state on partial failures; move the tombstone removal (the
self.tombstones.write().await.retain(...) call) into the successful branch
(inside the if errors.is_empty() block) so the tombstone is only cleared when
all storage engines succeeded; ensure you still acquire the write lock (await)
when removing the tombstone and keep the existing info! log and
Err(ReaperError::ErasureFailed { ... }) path unchanged so failures preserve the
tombstone for retries.

Comment on lines +129 to +150
let mut tombstones = self.tombstones.write().await;
let (expired, remaining): (Vec<_>, Vec<_>) =
tombstones.drain(..).partition(|t| t.is_expired(now));
*tombstones = remaining;
drop(tombstones);

let mut erased = 0;
for tombstone in &expired {
if self
.hard_erase(&tombstone.tenant_id, &tombstone.key)
.await
.is_ok()
{
erased += 1;
}
}

if erased > 0 {
info!(erased = erased, "sweep completed");
}

Ok(erased)

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⚠️ Potential issue | 🔴 Critical

sweep() currently drops failed erasures on the floor.

drain(..) removes expired tombstones before hard_erase() runs. If any erase fails, that tombstone is already gone, so future sweeps cannot retry it.

Proposed fix
-        let mut tombstones = self.tombstones.write().await;
-        let (expired, remaining): (Vec<_>, Vec<_>) =
-            tombstones.drain(..).partition(|t| t.is_expired(now));
-        *tombstones = remaining;
-        drop(tombstones);
+        let expired = {
+            let tombstones = self.tombstones.read().await;
+            tombstones
+                .iter()
+                .filter(|t| t.is_expired(now))
+                .cloned()
+                .collect::<Vec<_>>()
+        };
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/reaper/src/lib.rs` around lines 129 - 150, sweep() currently
drains expired tombstones before attempting hard_erase, so failures are lost;
change the logic to first collect expired tombstones without removing them
(e.g., let expired: Vec<_> = self.tombstones.read().await.iter().filter(|t|
t.is_expired(now)).cloned().collect()), attempt hard_erase(&tenant_id,&key) for
each collected tombstone, track which erasures succeeded, then acquire the write
lock and remove only the successfully-erased tombstones (or retain those that
are not expired or that failed erasure) so failed erasures remain for future
retries; update references in sweep(), tombstones, and hard_erase usage
accordingly.

Comment on lines +31 to +55
pub async fn rebalance_on_join(
&self,
new_peer_id: &str,
) -> RebalanceResult {
if !self.check_cooldown().await {
return RebalanceResult::CooldownActive;
}

let mut ring = self.ring.write().await;
let before_count = ring.peer_count();
ring.add_peer(new_peer_id);

info!(
peer = %new_peer_id,
before = before_count,
after = ring.peer_count(),
"node joined, rebalancing"
);

// In production: identify key ranges that now map to the new
// peer, stream data from current owners, verify integrity.
// Consistent hashing ensures only ~1/N keys move.

*self.last_rebalance.write().await = Some(Instant::now());

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⚠️ Potential issue | 🔴 Critical

Make the join cooldown check atomic.

rebalance_on_join() reads last_rebalance in check_cooldown() and writes it later under a separate lock acquisition. Two concurrent joins can both pass the read before either stores the new timestamp, so the cooldown is bypassed.

💡 Possible fix
     pub async fn rebalance_on_join(
         &self,
         new_peer_id: &str,
     ) -> RebalanceResult {
-        if !self.check_cooldown().await {
-            return RebalanceResult::CooldownActive;
+        {
+            let mut last = self.last_rebalance.write().await;
+            if let Some(instant) = *last {
+                let elapsed = instant.elapsed().as_millis() as u64;
+                if elapsed < self.cooldown_ms {
+                    warn!(
+                        remaining_ms = self.cooldown_ms - elapsed,
+                        "rebalance cooldown active"
+                    );
+                    return RebalanceResult::CooldownActive;
+                }
+            }
+            *last = Some(Instant::now());
         }
 
         let mut ring = self.ring.write().await;
         let before_count = ring.peer_count();
         ring.add_peer(new_peer_id);
@@
-        *self.last_rebalance.write().await = Some(Instant::now());
-
         RebalanceResult::Completed {
             peer_id: new_peer_id.to_string(),
             estimated_keys_moved_fraction: 1.0 / ring.peer_count() as f64,
         }
     }

Also applies to: 91-107

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/shard/src/shard_rebalance.rs` around lines 31 - 55, The cooldown
check must be done atomically with updating last_rebalance to prevent races: in
rebalance_on_join (and similarly in the leave handler around lines 91-107) grab
the write lock for self.last_rebalance first, perform the cooldown test against
the stored Instant and if allowed update the timestamp immediately, then drop
that lock and proceed to mutate the ring; do NOT call check_cooldown() which
only reads under a separate lock—either inline the check+set under the
last_rebalance.write().await or change check_cooldown() to return a guard that
lets you set the timestamp while holding the same lock; also acquire the
last_rebalance lock before taking ring.write() to keep lock ordering consistent.

Comment on lines +67 to +93
fn insert_subscription(
node: &mut TrieNode,
segments: &[&str],
depth: usize,
id: SubscriptionId,
tx: broadcast::Sender<SignalEvent>,
) {
if depth >= segments.len() {
node.subscribers.insert(id, tx);
return;
}

match segments[depth] {
"*" => {
node.wildcard.insert(id, tx);
}
"**" => {
node.deep_wildcard.insert(id, tx);
}
segment => {
let child = node
.children
.entry(segment.to_string())
.or_insert_with(TrieNode::new);
Self::insert_subscription(child, segments, depth + 1, id, tx);
}
}

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⚠️ Potential issue | 🔴 Critical

Wildcards are treated as terminal matches, so suffix segments never apply.

insert_subscription stores */** directly on the current node and stops recursing, so users/*/posts is effectively stored the same as users/*. Then emit_to_node sends wildcard subscribers before checking the remaining depth, which also makes users/* match users/alice/posts. Please model wildcard branches as trie nodes and recurse through them, and add coverage for users/* vs users/alice/posts plus users/*/posts.

Also applies to: 96-126, 138-172

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/signal/src/path_trie.rs` around lines 67 - 93,
insert_subscription currently treats "*" and "**" as terminal subscribers on the
current node (using node.wildcard/node.deep_wildcard and returning), which
causes trailing segments like "users/*/posts" to be stored the same as "users/*"
and makes emit_to_node match too eagerly; change insert_subscription to model
wildcards as actual child nodes (e.g., create or get a child node for "*" and
for "**" and recurse into them with depth+1 instead of inserting and returning),
update emit_to_node to traverse wildcard and deep-wildcard child branches at the
correct depths (ensuring deep-wildcard can match zero or more segments) and
adjust TrieNode fields usage accordingly (reference insert_subscription,
emit_to_node, TrieNode::new, wildcard, deep_wildcard, children), and add unit
tests covering "users/*" vs "users/alice/posts" and "users/*/posts" to assert
correct matching behavior.

Comment on lines +60 to +63
let trimmed = sql.trim().to_uppercase();
if !trimmed.starts_with("SELECT") && !trimmed.starts_with("WITH") {
return Err(SqlExecutorError::WriteNotAllowed);
}

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⚠️ Potential issue | 🔴 Critical

SQL injection risk: prefix check insufficient to prevent query stacking.

Checking only the SQL prefix allows attackers to append malicious statements. A query like SELECT 1; DROP TABLE events passes the SELECT check but could execute DDL if the underlying executor supports query stacking. Use parameterized queries and/or restrict to single-statement execution in DataFusion.

🛡️ Proposed mitigation: reject semicolons or use statement counting
     pub async fn execute_query(
         &self,
         sql: &str,
         _tenant_id: &str,
     ) -> Result<Vec<ResultBatch>, SqlExecutorError> {
         let trimmed = sql.trim().to_uppercase();
         if !trimmed.starts_with("SELECT") && !trimmed.starts_with("WITH") {
             return Err(SqlExecutorError::WriteNotAllowed);
         }
+        
+        // Reject query stacking attempts
+        if sql.contains(';') {
+            return Err(SqlExecutorError::WriteNotAllowed);
+        }
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
let trimmed = sql.trim().to_uppercase();
if !trimmed.starts_with("SELECT") && !trimmed.starts_with("WITH") {
return Err(SqlExecutorError::WriteNotAllowed);
}
let trimmed = sql.trim().to_uppercase();
if !trimmed.starts_with("SELECT") && !trimmed.starts_with("WITH") {
return Err(SqlExecutorError::WriteNotAllowed);
}
// Reject query stacking attempts
if sql.contains(';') {
return Err(SqlExecutorError::WriteNotAllowed);
}
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/sql/src/sql_executor.rs` around lines 60 - 63, The current
prefix check in sql_executor.rs (the block that computes let trimmed =
sql.trim().to_uppercase() and returns Err(SqlExecutorError::WriteNotAllowed) for
non-SELECT/WITH) is vulnerable to stacked statements; modify the executor to
disallow multiple statements by rejecting any semicolons or using a SQL
parser/statement counter before execution and return
SqlExecutorError::WriteNotAllowed for multi-statement inputs, or use
DataFusion's single-statement execution API if available; ensure the check
happens after trimming and before handing the SQL to the executor so queries
like "SELECT 1; DROP ..." are rejected.

Comment on lines +49 to +58
pub async fn index(&self, record: VectorRecord) -> Result<(), VectorStoreError> {
if record.vector.len() != self.dimensions {
return Err(VectorStoreError::DimensionMismatch {
expected: self.dimensions,
actual: record.vector.len(),
});
}
self.vectors.write().await.push(record);
Ok(())
}

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⚠️ Potential issue | 🔴 Critical

🧩 Analysis chain

🏁 Script executed:

# First, let's check the file size and examine the vector_store.rs file
wc -l shared/pulse/vector/src/vector_store.rs

Repository: ice-blockchain/core-v2

Length of output: 109


🏁 Script executed:

# Read the entire file to understand the context
cat -n shared/pulse/vector/src/vector_store.rs

Repository: ice-blockchain/core-v2

Length of output: 6970


🏁 Script executed:

# Search for partial_cmp usage in the codebase
rg "partial_cmp" shared/pulse/vector/src/

Repository: ice-blockchain/core-v2

Length of output: 183


🏁 Script executed:

# Search for is_finite or similar validation patterns
rg "is_finite|is_nan|is_infinite" shared/pulse/vector/src/

Repository: ice-blockchain/core-v2

Length of output: 48


Validate vectors contain only finite values to prevent panics during ranking.

Non-finite vectors (NaN, infinity) are not validated during indexing or search. When a non-finite vector component reaches cosine_distance() at line 92, it propagates NaN through arithmetic operations, causing partial_cmp(&b.distance).unwrap() at line 101 to panic. This DoS vulnerability affects index() (lines 49-58), batch_index() (lines 60-75), and search() (lines 77-105). All three methods must validate that input vectors contain only finite values.

🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.

In `@shared/pulse/vector/src/vector_store.rs` around lines 49 - 58, The index(),
batch_index(), and search() methods must reject vectors containing non-finite
components to avoid NaNs during cosine_distance() and the subsequent partial_cmp
unwrap; add a validation step that iterates the VectorRecord.vector (and each
input/query vector in batch_index and search) and ensures every f32/f64
component .is_finite() before proceeding, returning a VectorStoreError variant
(e.g., DimensionMismatch-style NonFiniteVector { index: usize } or a generic
NonFiniteVector error) if any component is not finite; apply this check in
VectorStore::index (before pushing to self.vectors), in VectorStore::batch_index
loop (before inserting each record), and in VectorStore::search for each query
vector so cosine_distance() never sees NaN/Inf inputs.

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