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Adapt the Claude Design "Ratatoskr Console" prototype into the web SPA:
translate out of the .dc.html dialect (x-dc / sc-if / sc-for / {{}} /
DCLogic / external _ds CSS) into single-file / no-CDN / vanilla, and wire
all real /api/* fetch + SSE into its DOM. New 3-column command-console
replaces the tabbed telemetry layout; endpoint set + SSE vocab unchanged.
- left engine-ticker rail: DEBUG + ADMIN + tool/turn-lifecycle merged into
one timeline (tickerAdd); tools-armed chips; full-detail Bifrost rail pane
(endpoint / connected / consumer / caps / tools)
- center conversation: per-turn INLINE chain-of-thought
- right resizable affect console: dominant / canonical-mood centerpiece;
bipolar PAD faders EACH with a turn-to-turn delta + sparkline; P×A mood
orbit; relations metric rows; canonical directive
- light / dark theme toggle (dark default; full token override —
surfaces + fg + borders + accent-as-text)
- inlined data-URI favicon (downscaled 1024->64px), kills /favicon.ico 404
- ticker spine re-anchored to a content-height wrapper (was scrolling out of
view on auto-scroll)
- honest-shape (INV-001): dominant-emotion shows a real OCC emotion (Tier-1)
or the canonical mood word (Tier-3), never a fabricated one; affect-derived
grid drops non-emitted metrics (intensity / decay-tau)
All server routes unchanged. web_debug_surface.contract.md amended for the
presenter renames (renderBifrostState->renderBifrost, renderAffectPane->
renderConsole, setPersonaStrip removed).
Verified: pytest tests/test_web_* (84 passed) + node Playwright end-to-end
against personal :8081 (session open, Sindra seeded greeting, live turn SSE,
affect console + relations + bifrost detail, theme toggle, PAD deltas,
no favicon 404).
Ratatoskr
A Worldtree Conversation API debug TUI. Runs up and down Worldtree's API surface — sessions, turns, persona, tools, admin events, Bifrost state — carrying messages between layers. Like the squirrel.
The product is the observability surface; chat is the input mechanism. Devs run Ratatoskr against a local Worldtree to watch a turn flow through every layer of the system, side-by-side, in one terminal.
Status
v0 scaffold. Design locked; implementation hasn't started. The dev team owns the implementation pass.
Read in this order
docs/design-brief.md— the locked design. Read this first. Every architectural decision is recorded with its rationale, the alternatives considered, and (where relevant) the operator's lock-in moment.docs/SPEC-PIN.md— what Worldtree spec version Ratatoskr is built against, where the vendored snapshot lives, and how to bump the pin.docs/conversation-api-spec.md— the vendored Worldtree spec snapshot. Read this to understand the API surface Ratatoskr consumes. Do not import anything from a Worldtree checkout — the boundary is the spec, not the code. Seedocs/design-brief.md§2.CLAUDE.md— Claude Code conventions for this repo (mostly inherited from the Corviduo template).persistent-memory.md— durable intent across context resets. Update as decisions and state evolve.
Quickstart
# 1. Environment
uv venv && source .venv/bin/activate
uv pip install -e ".[dev]"
# 2. Verify the spec pin
cat docs/SPEC-PIN.md # documented Worldtree SHA + bump procedure
# 3. Tests (none yet; scaffold only)
uv run pytest
# 4. Run against a local Worldtree (once implementation lands)
# Worldtree must be running: python -m core.conversation_api
ratatoskr --agent mimir
What this repo is NOT
- NOT a polished consumer for Worldtree's end-users — that's the web app.
- NOT a Worldtree admin tool — admin CLI is separate (
sessions_cli.pylives in Worldtree). - NOT a featuretracking shadow of the web app — when the Conversation API surface grows, Ratatoskr does not necessarily grow with it.
- NOT a remote-Worldtree debug client — file-tail surfaces (persona log, server log) assume local-dev posture.
The full negative-clause list lives in docs/design-brief.md §6.
Boundary rule
Ratatoskr depends on three things only:
httpx+httpx-sse(network layer)textual(TUI framework)- Worldtree's published Conversation API spec at the pinned SHA
Hard rule: no imports from a Worldtree checkout. No core.* imports,
no from worldtree.*, no shared models, no submodule of Worldtree. The
spec is the entire surface. Boundary smoke test at tests/test_no_worldtree_imports.py
enforces this in CI.
Version-skew strategy
The dev team is decoupled from Worldtree's dev team. To detect drift when Worldtree changes the API:
- Spec-version pin in
pyproject.toml(worldtree-spec-rev). Bump explicitly; bumps are a tracked action. - Recorded-SSE snapshot tests at
tests/snapshots/. Captured against a live Worldtree; replayed in CI. Re-record after every pin bump. - Conformance smoke test — boots Worldtree via Docker compose in CI, runs a one-turn happy path. Catches integration-level drift.
See docs/SPEC-PIN.md for the bump procedure.
Consumer-side discoveries
If you find a spec gap, ambiguity, or missing-but-needed endpoint while working on Ratatoskr: route the discovery back to worldtree-dev via althing rather than via PR on Worldtree directly. The separate-team boundary is intentional and helps catch spec gaps that an in-tree consumer would paper over.
Related repos
- Worldtree — the API Ratatoskr consumes
- brokkr-smithy — authored this design brief
- Skaldsong — another Worldtree API consumer (Python; render-and-aggregate pattern)
- mead-hall — another Worldtree API consumer (TypeScript; server-side broker)