c9116c5d86
Add SEO meta tags, OG image generation, and astro-icon integration
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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.
2026-02-14 13:15:52 -07:00
8abd7719bf
Initial SpiceBook MVP: notebook interface for circuit simulation
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Phase 1 implementation with ngspice backend and Astro/React frontend:
Backend (FastAPI):
- ngspice subprocess engine with custom .raw file parser
- Notebook CRUD with .spicebook JSON format (filesystem storage)
- Simulation endpoints (standalone + cell-in-notebook)
- SVG waveform export endpoint
- 18 REST API routes, 5 passing tests
Frontend (Astro 5 + React 19):
- Notebook editor as React island with Zustand state management
- CodeMirror 6 with custom SPICE language mode (syntax highlighting
for dot commands, components, engineering notation, comments)
- uPlot waveform viewer with transient and AC/Bode plot modes
- Markdown cells with edit/preview toggle
- Notebook list with card grid UI
- Dark theme, Tailwind CSS 4, Lucide icons
Infrastructure:
- Docker Compose with dev/prod targets
- Caddy-based frontend prod serving
- 3 example notebooks (RC filter, voltage divider, CE amplifier)
2026-02-13 01:44:38 -07:00
