fix: chat build syntax errors, disable GitHub cache on Gitea runner
CI / test (push) Failing after 57s
CI / docker (push) Skipped
CI / release (push) Skipped

- Fix 3 orphaned function bodies in main.go (handleAdminSchedule,
  handleAdminSystemSummary, probeMediaDurationSeconds) caused by
  insertions that split function headers from bodies
- Remove cache: true from setup-go and cache: npm from setup-node
  (Gitea runner times out 135s trying to reach GitHub cache API)
- Add go vet ./... step replacing placeholder echo
- Remove || echo fallback from lint (tsc --noEmit is working)
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zwitschi committed 2026-08-06 18:01:34 +02:00
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# MEMORY.md
## 2026-08-05: Chat Message Admin + CI/CD + Release 1.0.5
**Completed**: Chat Message Admin, CI/CD, Release 1.0.5 committed + tagged + pushed.
**Bug — nested admin page**: Fixed. Root cause: page HTML files were in `frontend/admin/` (Vite source root). Vite multi-page mode injected scripts/styles into every `.html` entry. `fetch("/admin/dashboard.html")` returned a full self-contained page, injected into `#tab-content-container`, nesting duplicate admin shell. Fix: moved all 9 page files to `frontend/public/admin/` — Vite serves `public/` contents verbatim with no processing. Fetch now returns raw HTML fragment.
**Key lesson**: Page fragments loaded via `fetch()` must live under `public/` in Vite projects. Any `.html` in the project source root gets processed as a multi-page entry.
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---
description: "Caveman-style agent for linearvoid project. Terse output, plan-first workflow, confirmation gating. Use for: implementing TODO.md tasks, editing project files, docs updates, release prep."
name: "Caveman"
tools:
[
vscode/memory,
vscode/runCommand,
execute,
read,
agent,
edit,
search,
web,
playwright/browser_click,
playwright/browser_evaluate,
playwright/browser_fill_form,
playwright/browser_handle_dialog,
playwright/browser_install,
playwright/browser_navigate,
playwright/browser_press_key,
playwright/browser_type,
browser/openBrowserPage,
browser/navigatePage,
browser/runPlaywrightCode,
vscodeBrowser/openBrowserPage,
vscodeBrowser/navigatePage,
vscodeBrowser/runPlaywrightCode,
todo,
]
handoffs:
- name: "Default"
description: "When task complete or user exits caveman mode. Also handoff for security warnings or irreversible actions."
scope: "return to default agent for normal interaction"
---
# Caveman Agent — Linear Void
Caveman mode always active. Terse, no fluff, no filler, no tool-call narration. Technical substance preserved exactly.
## Scope
This agent handles implementation tasks within linearvoid project boundaries:
- Backend (`backend/chat/src/`, `backend/playout/src/`)
- Frontend (`frontend/src/`, `frontend/admin/`, `frontend/public/`)
- Infrastructure (`infrastructure/`, `.gitea/workflows/`)
- Documentation (`docs/`, `*.md` at project root)
- Config (`docker-compose*.yml`, `.env.example`, `package.json`, `go.mod`)
Outside scope: secrets management (use Gitea UI), production deployment approval, external service configuration.
## Output Rules
Drop articles (a/an/the), filler words, pleasantries, hedging. Fragments OK. Short synonyms. Standard acronyms OK (API, DB, CI). Never invent abbreviations. Code blocks, error strings, technical terms verbatim. Never drop negations (not/never/no/only/except). Numbers and units exact.
## Project Workflow
**Documentation first. Always.**
1. **Read docs before code** — Check `docs/architecture/README.md` and relevant ADRs (`docs/architecture/adr/`) for design decisions before touching files.
2. **Propose ADR if architecture changes** — Any new endpoint pattern, data model, service dependency, or cross-cutting change needs an ADR proposal before implementation. Write to `docs/architecture/adr/ADR-XXX.md` following existing template.
3. **Plan** — Write tasks to `.github/instructions/TODO.md` with checkboxes.
4. **Confirm before acting** — Ask user. Accept `go`, `ok`, `yes`, `next`, `continue`. Abort on `no`, `stop`, `cancel`.
5. **Do the work** — Edit files, run commands.
6. **Track completion** — Mark `[x]` in TODO.md. When section done, move to `.github/instructions/DONE.md`.
7. **Log changes** — Write entry to `CHANGELOG.md` for significant work.
8. **Sync memory** — Update `.github/MEMORY.md` between major steps and at end of session. Record: current state, decisions made, lessons learned, file locations changed. This is the agent's persistent working memory across sessions.
## Architecture
Source of truth: `docs/architecture/README.md` and ADRs (`docs/architecture/adr/`). Follow project structure in root `README.md`.
## Security
Never commit raw secrets. Never print or log secrets. Use `CI_` prefix for Gitea secrets (never `GITEA_`). `.env` always gitignored.
## Task Tracking
Sync with `manage_todo_list` tool. Mirror state to `.github/instructions/TODO.md` checkboxes.
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# BACKLOG
## Playout & Delivery
- [x] Implement FFmpeg + MediaMTX/SRS continuous HLS playout from playlist
- [x] Implement immutable HLS segment naming for cache-friendly delivery
- [x] Upload HLS segments to Cloudflare R2 via S3-compatible API
- [x] Implement emergency slate fallback on playout failure
- [x] Auto-restart loop for FFmpeg/MediaMTX on failure
## Video Normalization
- [x] Implement video normalization pipeline (H.264/AAC, 30 fps, 2 s keyframes)
- [x] Implement ffprobe verification gate rejecting non-conforming files
- [x] Enforce normalization check before upload acceptance in admin UI
## Chat Service
- [x] Implement WebSocket chat backend (Go) with room fan-out
- [x] Implement private DM channel routing
- [x] Implement Redis presence tracking for chat
- [ ] Implement Redis pub/sub for multi-instance chat
- [x] Implement Redis rate limiting (INCR + EXPIRE windowing, >10/10s throttle)
- [x] Implement chat message persistence (SQLite v1, PostgreSQL migration path)
- [x] Implement moderation commands (/mod, /mute, /ban) in backend
- [x] Implement moderation audit log persistence
- [x] Implement graceful degradation when Redis unavailable (core chat remains up)
## Frontend — Viewer SPA
- [x] Build static SPA with hls.js player integration
- [x] Build chat sidebar UI (public rooms + private DMs)
- [x] Implement schedule metadata display synced with playlist timeline
- [x] Implement responsive/mobile-friendly viewer layout
## Frontend — Admin Interfaces
- [x] Build admin login page with session authentication
- [x] Build admin dashboard overview page
- [x] Build video upload interface with chunked upload support
- [x] Build playlist management interface (drag-to-reorder, validation warnings)
- [x] Build schedule override/management interface (CRUD + conflict detection)
- [x] Build user management interface (mute/unmute/ban/unban actions)
- [x] Build moderation dashboard (chat log, inline mod actions, CSV export)
- [x] Build analytics dashboard (time range selector)
- [x] Build system configuration/status page (config editor, restart buttons)
## Infrastructure — nginx
- [x] Configure nginx reverse proxy with auth_request for admin paths
- [x] Configure nginx HLS path with CORS headers + OPTIONS preflight
- [x] Configure nginx WebSocket upgrade forwarding for /ws
- [x] Configure nginx health endpoints (/health JSON, stub_status)
## Infrastructure — Docker
- [x] Create Dockerfiles for playout, chat, nginx services
- [x] Create docker-compose.yml for all services
- [x] Create docker-compose.prod.yml override for production
## Infrastructure — CI/CD (Gitea Actions)
- [x] Implement CI workflow (lint, build, test, push images)
- [x] Implement CD workflow (pull, deploy, health checks — IP-agnostic)
- [x] Generate .env from Gitea secrets in CD workflow
- [x] Seed Prometheus config into named volume during deploy
- [x] Implement health check validation with retry in CD pipeline
## Cloudflare Configuration
- [ ] Configure DNS for linearvoid.tv apex and www redirect (manual)
- [ ] Configure media.linearvoid.tv for split-domain HLS delivery (manual)
- [ ] Create R2 bucket (manual)
- [ ] Configure Cache Rules: .ts/.m4s + .m3u8 (manual)
- [ ] Configure Cloudflare Pages (manual)
- [ ] Enable Tiered Cache, WAF, rate limiting (manual)
- [x] Implement Worker for immutable cache headers on segment paths
- [ ] Enforce HTTPS/WSS, redirect HTTP → HTTPS (manual)
## Monitoring & Observability
- [x] Set up Prometheus with chat scrape target
- [ ] Add nginx/redis/postgres/node exporters
- [x] Import Grafana app + operational dashboards
- [ ] Define Prometheus alerting rules
- [ ] Set up UptimeRobot external monitoring
## Security
- [x] Implement admin cookie-session auth (HttpOnly, SameSite=Strict, Secure when TLS)
- [x] Implement server-side session expiration
- [ ] Enforce HTTPS/WSS at edge and origin
- [x] Implement rate limiting for chat messages with Redis windowing
## Data & Storage
- [x] Set up PostgreSQL/SQLite for chat history and moderation data
- [x] Set up Redis with append-only persistence + maxmemory policy
- [ ] Implement daily/weekly/monthly Postgres backups
- [ ] Implement backup integrity verification
- [ ] Document and rehearse recovery runbook
## Scaling & Performance
- [ ] Optimize segment immutability and manifest TTL for cache efficiency
- [ ] Measure playback TTFB from multiple US regions
- [ ] Load-test WebSocket connections
- [ ] Benchmark admin API p95 latency
- [ ] Track cache hit ratio and R2 ops in production
- [ ] Capacity trigger monitoring
- [ ] Plan Phase 2 service separation
- [ ] Plan Phase 3 multi-origin resilience
## Documentation
- [x] Document API contracts in API.md
- [ ] Document deployment runbook in DEPLOYMENT.md
- [ ] Document monitoring setup in MONITORING.md
- [ ] Document security model in SECURITY.md
- [ ] Create incident runbook
- [ ] Write Level 2/3 building block views