dtoro 9131559ebd fix(concurrency): guard chat.ts's stream callback against a stale session
Fix 2 of plans/2026-07-11-concurrent-task-execution.md. sendMessage's SSE
callback mutated the global messages/currentSession stores unconditionally,
assuming only one task's turn is ever in flight. It isn't — the backend runs
every /chat request as its own goroutine with no serialization. Switching to
a different task while a previous one was still streaming let that
background stream's later events (tool_use, text_delta, ..., and worst of
all 'done''s currentSession.set) get applied to whatever the operator is now
looking at: corrupting another task's transcript, or yanking the view back
to the one they left.

- Captures the session a stream belongs to (openedFor at call time, updated
  to the real id once the 'session' event assigns one) and checks
  $currentSession still matches before every messages/error/streaming
  mutation. The task keeps running server-side regardless — dropped events
  just mean the live view isn't watching it; navigating back re-hydrates via
  REST, same as already happens for auto-continuation.
- The 'session' event itself only claims currentSession if the operator
  hasn't already navigated elsewhere since the call started (comparing
  against openedFor, which is null for a brand-new task).
- loadSessionMessages/newChat now reset `streaming` to false unconditionally
  on navigation — needed so the new guard can't leave a DIFFERENT task's view
  stuck showing streaming=true (which would also silently stop startPolling's
  loop from ever applying updates, since it bails while $streaming is true).

Known residual gap, not fixed here (matches the plan's "contained fix, not a
rearchitecture" scope): activeController is still a single global slot, so
starting a new task while another is mid-stream, then clicking "New task"
again, aborts whichever stream that slot last pointed at rather than only
the one being left. A genuine multi-session controller/store is the
plan's deferred "stretch" fix, not required for correctness here.

Verified live: started Task A with a deliberately slow 4-tool-call turn,
switched to an existing Task B mid-stream — Task B's transcript stayed
correct with zero A-originated entries and the input was NOT stuck disabled.
Task A kept running and completed normally server-side (status=done, full
6-tool transcript, 5-entity graph); navigating back loaded its complete,
uncorrupted result via REST.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-11 18:34:02 +02:00

Oikos

Agentic homelab operating system written in Go. Single binary (cmd/oikos), Docker-deployed on mac-mini, with a standalone Nomos MCP agent gateway (cmd/nomos). Manages the hubris Proxmox homelab autonomously — observes state, classifies actions against policy, executes approved procedures over SSH, learns from outcomes, and escalates when uncertain.

For agents running on enrolled clients: start with AGENTS.md. For client machines: see CLIENTS.md. For developers: see CONTRIBUTING.md.

Quick start

# Dev stack (postgres + api + scheduler + notifier)
docker compose --profile dev up -d

# Full stack (adds Nomos agent gateway)
docker compose --profile full up -d

# Build standalone binary
go build -o bin/oikos -tags timetzdata ./cmd/oikos

# Run all roles in one process (dev mode)
OIKOS_DATABASE_URL="postgres://oikos:oikos_dev@localhost:5432/oikos?sslmode=disable" \
  go run ./cmd/oikos all

Architecture

                  ┌──────────────────────────────────┐
                  │         mac-mini (Docker)         │
                  │                                   │
  Workstation ─── │  nomos (8092) ──MCP── api (8090) │
  (mesh)          │    MCP gateway      REST + MCP    │
                  │                                   │
                  │  scheduler ── notifier ── postgres │
                  │  (observe)    (Matrix)   (Timescale)│
                  └──────────────────────────────────┘
Component Port Role
oikos api 8090 REST API + MCP server (15 tools)
oikos scheduler Probe runner, signal lifecycle, metrics
oikos notifier Approval tokens, Matrix alerts
nomos serve 8092 MCP client gateway, query routing

Phases

Phase Status Description
1 — Ontology + DB TimescaleDB, migrations, seeds, blast_radius
2 — API OpenAPI-first REST + MCP, auth, SSE, audit
3 — Control loop Scheduler, actuator, learning, classifier, notifier
4 — Nomos agent Standalone MCP client gateway, agent activity
5 — Secrets Infisical backend + SOPS fallback, rotation runbooks
6 — Deploy CI pipeline, cutover checklist, watchdog, rollback

Full plan: plans/2026-07-06-consolidate-oikos-control-plane-onto-mac-mini.md.

Operations

API endpoints

curl http://localhost:8090/api/v1/entities?type=service  # fleet
curl http://localhost:8090/api/v1/health                  # fleet health
curl http://localhost:8090/api/v1/agent-activity          # agent log

Nomos queries

# Structured tool call
curl -X POST localhost:8092/query -H "Content-Type: application/json" \
  -d '{"tool":"get_blast_radius","args":{"entity_id":"service:authentik"}}'

# Natural language
curl -X POST localhost:8092/query -H "Content-Type: application/json" \
  -d '{"query":"what depends on authentik?"}'

CLI

oikos migrate     # apply DB migrations
oikos seed        # ingest ontology/inventory/policy seeds
oikos export      # export DB state to YAML
oikos api         # serve REST + MCP
oikos scheduler   # run observe loop
oikos notifier    # run notification loop
oikos all         # all roles in one process
oikos secret list # enumerate SOPS secrets
oikos secret migrate  # SOPS → Infisical

Repo layout

cmd/oikos/          Go entry point — single binary
cmd/nomos/          Nomos MCP client gateway
internal/           Go packages (httpapi, mcp, scheduler, actuator, learning,
                    notifier, policy, secrets, db, config, ontology, domain,
                    knowledge)
api/openapi.yaml    API contract (OpenAPI 3.1)
migrations/         Forward-only SQL migrations (TimescaleDB)
seeds/              Bootstrap YAML (ontology, inventory, policy, knowledge)
compose/            Dockerfiles + Caddy config
scripts/            Deploy, watchdog, verification, rollback
nomos/              Nomos config, persona, skills
.agents/            Agent instruction files, shared conventions, skills
archive/            Historical reference (legacy wiki, plans, SOPS backups)
plans/              Design documents (active + done)
docs/adr/           Architecture decision records

For agents

See AGENTS.md for the full orientation. Quick reference:

  • Source of truth: DB (runtime) then seeds (bootstrap). Old wiki is archived at archive/knowledge/ — use MCP search_knowledge instead.
  • Mutations: classify against policy, request approval for destructive/config_mutation
  • Secrets: Infisical (primary) or SOPS (fallback) — never hardcode
Description
Agentic OS for running a Homelab
Readme 37 MiB
Languages
Go 53.1%
Svelte 25.7%
TypeScript 14%
Shell 3.8%
Python 1.7%
Other 1.5%