marauder-actual b0893a3699 feat(transport): swap Anthropic → opencode; add persona switcher
Part 1 — Transport swap:
- Replace anthropic.AsyncAnthropic streaming with httpx SSE client
  calling opencode's OpenAI-compat /v1/chat/completions on sin:4096
- Auth: basic auth opencode:$OPENCODE_PASSWORD
- Env: OPENCODE_URL (default http://sin:4096), OPENCODE_PASSWORD
- Sidecar binding (sin:4098) consulted per message to resolve active
  persona; voice read from binding → cart → env default
- Helper _session_id_for_user: deterministic sha256 slug per email
  so sidecar binding survives WebSocket reconnects
- anthropic dep retained in pyproject.toml (not removed — P4 may use it)

Part 2 — Persona switcher:
- PERSONAS dict: bt7274, friday, samantha (slug → voice/backend/prompt)
- POST /api/persona  — bind persona via sidecar, maps slug → full config
- GET  /api/persona/current — return current binding
- GET  /api/personas — list available personas
- chat.html: persona <select> in topnav with server-rendered active state
- chat.js: onChange → fetch /api/persona, update __personaName +
  status badge + system message in conversation feed

TODO: add CSS polish for .topnav__persona-wrap (inherits base styles for now)
2026-05-29 14:18:47 +02:00

chat.saiden.dev

A quiet channel. Spike Jonze's Her (2013) as a chat UI.

chat.saiden.dev
  → Caddy reverse-proxy (TLS via Let's Encrypt)
  → FastAPI on marauder.saiden.dev:8765
      ├─ Google OAuth (authlib) + email whitelist
      └─ WebSocket → Anthropic API streaming

Status

Phase 3 — Her-aesthetic. UI plan in UI-PLAN.md. Phase 1 (ttyd + CF Tunnel) archived in _archive-ttyd/.

Local dev

cd ~/Projects/chat-saiden
uv sync
cp .env.example .env
# fill in ANTHROPIC_API_KEY, GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, COOKIE_SECURE=false
uv run python -m app.main
# → http://127.0.0.1:8765

Google OAuth redirect URI for local dev (add to your Google Cloud Console OAuth client): http://127.0.0.1:8765/auth/callback

Files

Path What
app/main.py FastAPI: OAuth, session, WS streaming, Anthropic client
app/templates/chat.html Single-page UI (chat + operator prompt)
app/templates/denied.html Whitelist-rejection page, Her-styled
app/static/chat.css Design system: warm pastels, Cormorant + Caveat
app/static/chat.js WebSocket, typewriter queue, label dedup, smooth scroll
pyproject.toml uv deps
.env.example env scaffold
UI-PLAN.md Design doctrine (Her aesthetic translated to chat)
_archive-ttyd/ Phase 1 (ttyd + CF Tunnel + CF Access) — kept for reference

Deployment

Not deployed yet. Stages remaining:

  1. Caddyfile on marauder.saiden.dev (reverse proxy chat.saiden.dev → :8765)
  2. systemd unit for the FastAPI app
  3. DNS swap: chat.saiden.dev CNAME → marauder.saiden.dev (currently broken — points to deleted CF tunnel from Phase 1)
  4. Google OAuth client production redirect URI: https://chat.saiden.dev/auth/callback
  5. Smoke test live

Persona

System prompt currently hardcoded as BT-7274 (placeholder). Will swap to a dedicated Samantha cart when authored — see EEMS subject project.samantha-cart.

S
Description
Web chat interface with persona calibration, SSE streaming, and real-time TTS playback.
Readme 182 KiB
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