SPICE cells now auto-trigger schematic generation when they mount
without an existing diagram, so the schematic leads the UI. Template
and empty cells are skipped.
Grid fallback layout replaced with wire-connected rendering: BFS-based
node tier classification places components vertically between supply
and ground rails, then routes wires by node type (power/ground bus
rails, L-shaped signal wires, star topology for 3+ connections).
SSR the notebook list in Astro frontmatter (eliminating the client-side
loading spinner). Add hero section with oscilloscope graticule background,
4-column feature highlights, and a React island gallery with category
filter pills, tag search, and grouped/flat view modes.
Machine-readable API docs at /llms.txt for LLM collaboration on circuit
design notebooks linked from Mims Electronics Reference Library.
Compose endpoint creates fully-populated notebooks in one call with
optional SPICE simulation. Per-cell try/except ensures partial simulation
failures don't lose the notebook.
Also extracts get_engine to spicebook.engine and makes
generate_notebook_id a public API.
The Inter SemiBold TTF from GitHub was an HTML error page. Switch to
loading inter-latin-600-normal.woff from @fontsource/inter in
node_modules — always available, always valid, and Satori supports
woff natively.
Node.js Buffer pool shares an ArrayBuffer — slice to give Satori's
OpenType parser a standalone copy starting at byte 0. Use process.env
instead of import.meta.env for BACKEND_INTERNAL_URL since Vite only
exposes PUBLIC_* prefixed vars via import.meta.env.
Wire astro-seo-meta for OG, Twitter Card, and canonical tags on all
pages. Add Satori + resvg dynamic OG image endpoints at /og/[id].png
with branded dark-theme cards. Replace inline SVGs with zero-JS
astro-icon rendering. SSR fetches use 5s AbortController timeout and
shared ID validation across all dynamic routes.
SchematicViewer now supports inline editing of component values
directly on the SVG. Clicking an editable value opens an overlay
input that updates the SPICE netlist on commit, triggering an
auto-redraw after 800ms debounce.
Added DOMPurify for SVG sanitization, netlist-utils for safe
value substitution in netlists, and wired schematic generation
through the notebook store with generation counters to discard
stale responses.
Parse netlists into component graphs and render circuit diagrams via
SchemDraw. Two layout strategies: loop layout for simple 2-terminal
circuits (RC, RL, voltage divider) and labeled grid for complex
circuits with active devices (BJT amplifiers, MOSFET).
Backend: netlist parser, schematic engine, POST API endpoint.
Frontend: SchematicViewer with zoom/download, stacked cell layout
showing schematic + SPICE editor + waveform simultaneously.
Vite inlines import.meta.env.PUBLIC_* at build time, not runtime.
Without this, the frontend falls back to localhost:8099 which doesn't
exist from the browser. Empty string means same-origin requests,
letting Caddy route /api/* to the backend.
Update frontend Dockerfile prod stage from Caddy static to Node.js
running Astro SSR server. Configure caddy-docker-proxy labels to
route /api/* to backend and everything else to frontend on the same
domain. Support empty PUBLIC_API_URL for same-origin API calls.
Switch from query-param routing (/notebook/?id=X) to Astro dynamic
routes (/notebook/rc-lowpass-filter). Add @astrojs/node adapter with
output: 'server' for on-demand route handling.
Fix formatEng/formatAxisValue crash on null values passed by uPlot
axis tick formatters. Add CORS origin for port 4322.
