Add the Home Assistant REST calendar client and the idempotent sync that
writes important school events to Sam's Home Assistant calendar (FR-8). The
school stays read-only; the only write is to the calendar (rule 7).
- internal/calendar: HA REST client (states, create_event, get_events,
delete_event) and the sync that selects important future events, adopts an
existing event by its description marker, records the HA event id on the
item, and records every attempt.
- internal/store: migration 003 (items.ha_event_uid, items.ha_pushed_at and
the append-only calendar_pushes table), candidates, mark-synced and the
push log.
- internal/parse: a school event is important; a routine class period is not.
- cmd/school: `school calendar entities|status|push|events`.
- web: an "Add to calendar" item action and a fail-loud calendar banner, so a
failed write is never swallowed (FR-12).
- scripts/calendar-push.sh, Makefile target, env example, docs and tests.
The target is configurable (SCHOOL_HA_CALENDAR_ENTITY). Home Assistant has no
non-Google writable calendar today, so the entity is asked on AUD-110.
Co-Authored-By: Paperclip <noreply@paperclip.ing>
Phase 1 of AGENTS.md §11: the app runs on .13 in its own container on port
8792, behind Caddy at school.lab.audasmedia.com.au, with its own session login
and GET /health.
- Go service (Go 1.25, modernc SQLite, no cgo) with its own image.
- SQLite schema per AGENTS.md §7: children, items, scans, notifications,
session (internal/store/migrations/001_init.sql).
- Separate session login (signed cookie, CSRF double-submit), not SSO.
- HTMX server-rendered shell using the Family Home Lab tokens.css: canvas
#f6f5f4, action blue #0075de, Inter, 8px grid, hairline borders, pill CTAs,
dark mode, phone-friendly.
- Fail loudly (FR-12): a missing or failed scan shows as an explicit warning or
error banner, never as an empty day.
- Dockerfile + docker-compose.yml (own container, own port 8792; uses
network_mode bridge because .13 has no free default Docker address pool).
- Caddy snippet for .35 in deploy/caddy/, deployment notes, and
deploy/verify-phase1.sh.
No school scan in this phase; the Compass login and fetch are Phase 2.
Co-Authored-By: Paperclip <noreply@paperclip.ing>
