From 78e8344984fa075645a5f4d807cbbf5d9e051797 Mon Sep 17 00:00:00 2001 From: jester Date: Sun, 15 Mar 2026 11:22:03 +0000 Subject: [PATCH] =?UTF-8?q?Session=20log=202026-03-15=20=E2=80=94=20archit?= =?UTF-8?q?ecture=20review,=20agent=20future=20work?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- SESSION_LOG.md | 100 +++++++++++++++++++++++-------------------------- 1 file changed, 47 insertions(+), 53 deletions(-) diff --git a/SESSION_LOG.md b/SESSION_LOG.md index 7d3088d..e5b30c3 100644 --- a/SESSION_LOG.md +++ b/SESSION_LOG.md @@ -6,77 +6,71 @@ - Closed: Upload transport timeout tuning — upload route now logs explicit error categories distinguishing client abort, upstream timeout, and socket reset. - Research: Investigated external agent standards applicable to zlh-agent. No formal standard maps cleanly — agent is purpose-built (embedded process manager + filesystem authority inside LXC, internal-only caller). Key findings: health probe split (/healthz liveness vs /readyz readiness) is a common convention but not required given single-caller architecture; graceful shutdown (SIGINT/SIGTERM, 10s timeout) is correct; structured lifecycle logging already solid; Go 1.21 slog exists if log unification is ever wanted. No open threads opened from this — no gaps requiring action. -- Grind repo updated to reflect current platform state: - - README.md — added Current Platform Capabilities section (March 2026) - - Agent_Endpoint_Specifications_Phase1.md — created; full route reference including updated /status crash metadata fields - - Session_Summaries/2026-03-01_Upload-Pipeline-Filesystem-Consolidation.md — created; includes upload transport fix (502 root cause + resolution) - - Frontend/TerminalView_Component.md — created; includes reconnect behavior (1–5s backoff, no page refresh required) - - ZeroLagHub_Quick_Status_Feb2026.md — created; reflects March 2026 operational state - - Session_Summaries/2026-03-10_Agent_Observability_Update.md — created; structured logging, crash metadata fields, ReadinessTimeout constant, crash semantics unchanged +- Grind repo updated to reflect current platform state. Misplaced architecture docs later removed — canonical docs belong in knowledge-base not zlh-grind. --- ## 2026-03-14 -Goal: -Stabilize dev container provisioning across agent, portal, and artifact server. - -Scope: - -- catalog-driven runtime installs -- dotnet runtime support -- dev workspace environment -- portal provisioning updates - -Explicit non-goals: - -- platform architecture changes -- container orchestration changes - -Canonical refs used: - -- ZeroLagHub knowledge base -- dev runtime provisioning spec +Goal: Stabilize dev container provisioning across agent, portal, and artifact server. Work completed: Agent: - -- switched dev runtime validation to artifact catalog -- runtime installs moved to `/opt/zlh/runtimes` -- implemented runtime install guards -- implemented dev user environment -- updated dev shell to run as `dev` -- added dotnet runtime provisioning -- added optional code-server provisioning +- catalog-driven runtime validation via devcontainer/_catalog.json (ValidateRuntimeSelection in common.go) +- EnsureDevUserEnvironment — dev user, /home/dev/workspace, correct ownership +- dotnet runtime provisioning added +- optional code-server addon provisioning added +- WriteReadyMarker after successful provision +- RuntimeInstalled() filesystem-based install guard in common.go Portal: - -- added dotnet runtime -- added enable code-server option -- enabled Files tab for dev containers -- dev file uploads now current-directory based +- dotnet runtime added +- enable code-server option added +- Files tab enabled for dev containers API: +- enable_code_server field added to dev provisioning payload -- added `enable_code_server` field to dev provisioning payload +Blocker: +- code-server artifact on zlh-artifacts contains source repository, not compiled release +- install.sh expects bin/code-server, lib/, node_modules/ — compiled release required +- fix: replace artifact with official code-server release tarball (e.g. code-server-4.x.x-linux-amd64.tar.gz) -Artifact Server: +--- -- runtime artifacts verified -- dotnet installer aligned with artifact fetch model +## 2026-03-15 -Issues discovered: +Architecture review session. No code changes. Key decisions and findings: -- code-server artifact contains repository source -- installer expects packaged release +Dev container model: +- 1 server / 1 container / 1 world confirmed as correct model +- Dev containers: full R/W access under /home/dev/workspace, no allowlist +- Multiverse/multi-world via plugins is customer-managed, not a platform concern +- Port exposure (dev-.zerolaghub.com) identified as next major dev feature — future work +- Wildcard DNS pre-planning needed before port exposure implementation +- dotnet SDK covers all C# game modding (Valheim, Core Keeper, Vintage Story, Rust/Oxide) +- Code Server confirmed as correct browser IDE approach given single public IP constraint -Resolution: -Artifact server must provide compiled code-server release archive. +Agent review (zlh-agent commit 6019d0bc — 2026-03-15): +- Catalog transition confirmed correct — ValidateRuntimeSelection gates all dev provisions +- Scripts unchanged — embedded script execution via bash stdin pipe, no 126 risk from runtime installs +- devcontainer/common.go is clean and complete +- node/verify.go has hardcoded /opt/zlh/runtime/node/bin/node — wrong path, pre-existing issue, not a regression +- node/python/go/java install packages still use old version-unaware marker pattern — pre-existing, not a regression from catalog work +- node exporter baked into containers — disk/CPU/memory/network already covered by Prometheus +- Promtail present but status unknown -Current system state: +Agent future work identified (not yet implemented, priority order): +1. Unified structured logging (slog) — Promtail/Loki integration needs structured fields to be queryable +2. Dev container status/readiness — /status needs provisioningComplete + provisioningError for dev containers +3. Crash recovery with backoff — auto-restart on crash with increasing delay (30s/60s/120s), max 3 attempts, then error state +4. Graceful shutdown verification — confirm SIGTERM + wait before SIGKILL for Minecraft world save safety +5. Agent restart/process reattachment — detect existing process on agent restart, reattach rather than double-start +6. Disk pressure warning in /status — agent-level signal before node exporter threshold alerts -- dev runtime provisioning operational -- dotnet runtime operational -- portal provisioning operational -- code-server blocked by artifact packaging +Explicitly out of scope (not Pterodactyl): +- User management, permissions, billing +- Multi-container orchestration +- Plugin/extension systems +- Anything owned by API or portal