kyle/eng-pad-server
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10 Commits 1 Branch 1 Tag
169063cd00667cae03017bcbdb4035e23b0c4829
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8 Commits

Author SHA1 Message Date
Kyle Isom
169063cd00 Implement Phase 9: FIDO2/U2F WebAuthn support 
- WebAuthnUser implementing webauthn.User interface
- NewWebAuthn factory with configurable RP settings
- Credential storage: store, load, list, delete, update sign count
- User lookup by credential ID for login flow
- go-webauthn/webauthn library integrated

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-24 20:00:10 -07:00
Kyle Isom
5c4575a67f Implement Phase 8: Web UI with htmx templates 
- HTML templates: layout, login, notebook list, notebook view, page viewer
- Web server with chi router, embedded templates via //go:embed
- Login/logout flow with session cookies
- Notebook list, page grid with SVG thumbnails, page viewer
- Share link views (same templates, no auth chrome)
- Server command wired to start gRPC + REST + web servers concurrently
- Graceful shutdown on SIGINT/SIGTERM

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-24 19:59:07 -07:00
Kyle Isom
fedb5e3301 Implement Phase 7: share link tests and expiry fix 
- 4 tests: create/validate, expiry, revoke, list
- Fixed expiry check: negative durations now correctly expire links
  (was checking > 0 instead of != 0)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-24 19:57:03 -07:00
Kyle Isom
37c2d35ceb Implement Phase 6: REST API with chi router 
- Login endpoint (password → bearer token + session cookie)
- Auth middleware (bearer header or session cookie)
- Notebook list endpoint (authenticated)
- Page SVG/JPG rendering endpoints (authenticated)
- Notebook PDF download endpoint (authenticated)
- Share link endpoints: view, page SVG, page JPG, PDF (no auth)
- Route registration with chi groups

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-24 19:55:47 -07:00
Kyle Isom
5993d20995 Implement Phase 5: SVG, JPG, PDF rendering 
- SVG: strokes → SVG path elements with dashed/arrow support,
  coordinates scaled from 300 DPI to 72 DPI
- JPG: rasterization at 300 DPI using Go image package, Bresenham
  line drawing with round pen circles
- PDF: minimal PDF generation with raw operators, no external library
- 6 tests: SVG output, dashed style, arrow heads, JPG magic bytes,
  PDF header, page size calculations

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-24 19:54:32 -07:00
Kyle Isom
7d4e52ae92 Implement Phase 4: gRPC sync service 
- Proto definitions (engpad.v1.EngPadSync) with 6 RPCs
- Generated Go gRPC code
- Auth interceptor: username/password from metadata
- SyncNotebook: upsert with full page/stroke replacement in a tx
- DeleteNotebook, ListNotebooks handlers
- Share link RPCs: CreateShareLink, RevokeShareLink, ListShareLinks
- Share link token management (32-byte random, optional expiry)
- gRPC server with TLS 1.3

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-24 19:52:47 -07:00
Kyle Isom
286b886c06 Implement Phase 2: password auth (Argon2id + bearer tokens) 
- Argon2id password hashing and verification with configurable params
- Bearer token generation (32-byte random), SHA-256 hashed storage,
  TTL-based expiry
- User creation and authentication helpers
- auth_tokens table added to migrations
- 6 tests: hash/verify, wrong password, create/auth user, token
  create/validate, token expiry

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-24 19:49:07 -07:00
Kyle Isom
9077117e74 Implement Phase 0+1: project setup, config, database, migrations 
- Go module, Makefile, .golangci.yaml, .gitignore, example config
- TOML config loading with validation
- SQLite database with WAL, foreign keys, busy timeout
- Schema migrations: users, webauthn_credentials, notebooks, pages,
  strokes, share_links with indexes and cascading deletes
- 4 tests: open+migrate, idempotent, foreign keys, cascade delete

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-24 19:47:38 -07:00