Forside-rendering med to moduser: statisk CAS og dynamisk in-memory cache (oppgave 14.3)

serve_index støtter nå index_mode fra publishing-trait:
- "static": render_index-jobb rendrer forsiden til CAS ved publisering,
  samlingens metadata.rendered_index.index_hash peker til CAS-fil,
  serveres med Cache-Control: immutable
- "dynamic" (default): in-memory cache med konfigurerbar TTL
  (index_cache_ttl, default 300s), invalidert ved belongs_to-endringer

Tre separate indekserte PG-spørringer erstatter den gamle
alt-i-ett-spørringen — filtrerer på slot i edge-metadata
(hero/featured/strøm) med LIMIT, bruker GIN-indeks.

Trigger-logikk utvidet: belongs_to-edge-opprettelse legger
render_index-jobb i kø (statisk) eller invaliderer cache (dynamisk).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
vegard 2026-03-18 01:04:31 +00:00
parent 51f49fea22
commit f537f3dcf3
6 changed files with 417 additions and 63 deletions

View file

@ -595,12 +595,17 @@ LIMIT 20 OFFSET $page;
Med indeks på `(target_id, edge_type)` og GIN-indeks på `metadata`
er dette raskt uansett samlingsstørrelse.
**Forside-rendering:**
- `index_mode: "static"` — full HTML rendres til CAS ved publisering.
**Forside-rendering (implementert):**
- `index_mode: "static"` — full HTML rendres til CAS via `render_index`-jobb
ved publisering. Samlingens `metadata.rendered_index.index_hash` peker til
CAS-filen. Serveres med `Cache-Control: immutable`.
Passer for magasin/blogg med lav frekvens.
- `index_mode: "dynamic"` — maskinrommet serverer on-demand med
in-memory cache, invalidert ved publisering. `index_cache_ttl`
styrer cachens levetid. Passer for nyhetsavis med høy frekvens.
- `index_mode: "dynamic"` (default) — maskinrommet serverer on-demand med
in-memory cache (`IndexCache`), invalidert ved publisering (belongs_to-endring).
`index_cache_ttl` (default 300s) styrer cachens levetid.
Passer for nyhetsavis med høy frekvens.
- Tre separate indekserte PG-spørringer for hero/featured/strøm —
filtrerer på `slot` i edge-metadata, bruker GIN-indeks.
**Bulk re-rendering ved temaendring:** Temaendring trigger batch-jobb
via jobbkøen. Maskinrommet paginerer 100 artikler om gangen, rendrer

View file

@ -448,6 +448,7 @@ pub async fn create_node(
spawn_pg_insert_edge(
state.db.clone(),
state.stdb.clone(),
state.index_cache.clone(),
edge_id,
node_id,
ctx_id,
@ -636,6 +637,7 @@ pub async fn create_edge(
spawn_pg_insert_edge(
state.db.clone(),
state.stdb.clone(),
state.index_cache.clone(),
edge_id,
req.source_id,
req.target_id,
@ -1075,6 +1077,7 @@ pub async fn create_communication(
spawn_pg_insert_edge(
state.db.clone(),
state.stdb.clone(),
state.index_cache.clone(),
owner_edge_id,
user.node_id,
node_id,
@ -1116,6 +1119,7 @@ pub async fn create_communication(
spawn_pg_insert_edge(
state.db.clone(),
state.stdb.clone(),
state.index_cache.clone(),
edge_id,
*participant_id,
node_id,
@ -1339,6 +1343,7 @@ pub async fn upload_media(
spawn_pg_insert_edge(
state.db.clone(),
state.stdb.clone(),
state.index_cache.clone(),
edge_id,
src_id,
media_node_id,
@ -1649,6 +1654,7 @@ fn edge_type_to_access_level(edge_type: &str) -> Option<&'static str> {
fn spawn_pg_insert_edge(
db: PgPool,
stdb: crate::stdb::StdbClient,
index_cache: crate::publishing::IndexCache,
edge_id: Uuid,
source_id: Uuid,
target_id: Uuid,
@ -1707,7 +1713,7 @@ fn spawn_pg_insert_edge(
// Trigger artikkelrendering ved belongs_to til publiseringssamling
if edge_type == "belongs_to" {
trigger_render_if_publishing(&db, source_id, target_id).await;
trigger_render_if_publishing(&db, &index_cache, source_id, target_id).await;
}
}
Err(e) => {
@ -1719,16 +1725,23 @@ fn spawn_pg_insert_edge(
}
/// Sjekker om target er en samling med publishing-trait, og legger i så fall
/// en `render_article`-jobb i køen for å rendere artikkelens HTML til CAS.
async fn trigger_render_if_publishing(db: &PgPool, source_id: Uuid, target_id: Uuid) {
/// en `render_article`-jobb i køen. For statisk modus legges også en
/// `render_index`-jobb. For dynamisk modus invalideres in-memory-cachen.
async fn trigger_render_if_publishing(
db: &PgPool,
index_cache: &crate::publishing::IndexCache,
source_id: Uuid,
target_id: Uuid,
) {
match crate::publishing::find_publishing_collection_by_id(db, target_id).await {
Ok(Some(_config)) => {
let payload = serde_json::json!({
Ok(Some(config)) => {
// Render artikkelen
let article_payload = serde_json::json!({
"node_id": source_id.to_string(),
"collection_id": target_id.to_string(),
});
match crate::jobs::enqueue(db, "render_article", payload, Some(target_id), 5).await {
match crate::jobs::enqueue(db, "render_article", article_payload, Some(target_id), 5).await {
Ok(job_id) => {
tracing::info!(
job_id = %job_id,
@ -1746,6 +1759,35 @@ async fn trigger_render_if_publishing(db: &PgPool, source_id: Uuid, target_id: U
);
}
}
// Re-render forsiden
let index_mode = config.index_mode.as_deref().unwrap_or("dynamic");
if index_mode == "static" {
// Statisk modus: legg render_index-jobb i køen
let index_payload = serde_json::json!({
"collection_id": target_id.to_string(),
});
match crate::jobs::enqueue(db, "render_index", index_payload, Some(target_id), 4).await {
Ok(job_id) => {
tracing::info!(
job_id = %job_id,
collection_id = %target_id,
"render_index-jobb lagt i kø (statisk modus)"
);
}
Err(e) => {
tracing::error!(
collection_id = %target_id,
error = %e,
"Kunne ikke legge render_index-jobb i kø"
);
}
}
} else {
// Dynamisk modus: invalider in-memory-cache
crate::publishing::invalidate_index_cache(index_cache, target_id).await;
}
}
Ok(None) => {
// Target er ikke en publiseringssamling — ingen rendering nødvendig

View file

@ -175,6 +175,9 @@ async fn dispatch(
"render_article" => {
handle_render_article(job, db, cas).await
}
"render_index" => {
handle_render_index(job, db, cas).await
}
other => Err(format!("Ukjent jobbtype: {other}")),
}
}
@ -206,6 +209,26 @@ async fn handle_render_article(
publishing::render_article_to_cas(db, cas, node_id, collection_id).await
}
/// Handler for `render_index`-jobb.
///
/// Payload: `{ "collection_id": "..." }`
/// Rendrer forsiden til HTML via Tera, lagrer i CAS,
/// oppdaterer samlingens metadata.rendered_index.
async fn handle_render_index(
job: &JobRow,
db: &PgPool,
cas: &CasStore,
) -> Result<serde_json::Value, String> {
let collection_id: Uuid = job
.payload
.get("collection_id")
.and_then(|v| v.as_str())
.and_then(|s| s.parse().ok())
.ok_or("Mangler collection_id i payload")?;
publishing::render_index_to_cas(db, cas, collection_id).await
}
/// Starter worker-loopen som poller job_queue.
/// Kjører som en bakgrunnsoppgave i tokio.
pub fn start_worker(db: PgPool, stdb: StdbClient, cas: CasStore) {

View file

@ -35,6 +35,7 @@ pub struct AppState {
pub jwks: JwksKeys,
pub stdb: StdbClient,
pub cas: CasStore,
pub index_cache: publishing::IndexCache,
}
#[derive(Serialize)]
@ -138,7 +139,8 @@ async fn main() {
// Start periodisk CAS-pruning i bakgrunnen
pruning::start_pruning_loop(db.clone(), cas.clone());
let state = AppState { db, jwks, stdb, cas };
let index_cache = publishing::new_index_cache();
let state = AppState { db, jwks, stdb, cas, index_cache };
// Ruter: /health er offentlig, /me krever gyldig JWT
let app = Router::new()

View file

@ -10,6 +10,9 @@
//!
//! Ref: docs/concepts/publisering.md § "Temaer", "HTML-rendering og CAS"
use std::collections::HashMap;
use std::sync::Arc;
use axum::{
extract::{Path, State},
http::{header, StatusCode},
@ -19,6 +22,7 @@ use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};
use sqlx::PgPool;
use tera::{Context, Tera};
use tokio::sync::RwLock;
use uuid::Uuid;
use crate::cas::CasStore;
@ -41,6 +45,7 @@ pub struct PublishingConfig {
pub theme_config: ThemeConfig,
pub custom_domain: Option<String>,
pub index_mode: Option<String>,
pub index_cache_ttl: Option<u64>,
pub featured_max: Option<i64>,
pub stream_page_size: Option<i64>,
}
@ -284,6 +289,33 @@ pub struct IndexData {
pub stream: Vec<ArticleData>,
}
// =============================================================================
// In-memory index-cache (dynamisk modus)
// =============================================================================
/// Cachet forside-HTML med utløpstid.
pub struct CachedIndex {
html: String,
expires_at: DateTime<Utc>,
}
/// Thread-safe cache for forside-rendering (dynamisk modus).
/// Nøkkel: collection UUID. Verdi: rendret HTML med TTL.
pub type IndexCache = Arc<RwLock<HashMap<Uuid, CachedIndex>>>;
/// Opprett en ny tom IndexCache.
pub fn new_index_cache() -> IndexCache {
Arc::new(RwLock::new(HashMap::new()))
}
/// Invalider cache for en gitt samling.
pub async fn invalidate_index_cache(cache: &IndexCache, collection_id: Uuid) {
let mut map = cache.write().await;
if map.remove(&collection_id).is_some() {
tracing::info!(collection_id = %collection_id, "Forside-cache invalidert");
}
}
// =============================================================================
// Render-funksjoner
// =============================================================================
@ -527,6 +559,130 @@ pub async fn render_article_to_cas(
}))
}
/// Render forsiden til CAS (statisk modus).
///
/// Henter hero/featured/stream med tre indekserte spørringer,
/// rendrer via Tera-template, lagrer HTML i CAS, og oppdaterer
/// samlingens metadata.rendered_index med index_hash.
pub async fn render_index_to_cas(
db: &PgPool,
cas: &CasStore,
collection_id: Uuid,
) -> Result<serde_json::Value, String> {
// Hent samlingens konfig
let collection_row: Option<(Option<String>, serde_json::Value)> = sqlx::query_as(
r#"
SELECT title, metadata
FROM nodes
WHERE id = $1 AND node_kind = 'collection'
"#,
)
.bind(collection_id)
.fetch_optional(db)
.await
.map_err(|e| format!("Feil ved henting av samling: {e}"))?;
let Some((collection_title_opt, collection_metadata)) = collection_row else {
return Err(format!("Samling {collection_id} finnes ikke"));
};
let publishing_config: PublishingConfig = collection_metadata
.get("traits")
.and_then(|t| t.get("publishing"))
.cloned()
.map(|v| serde_json::from_value(v).unwrap_or_default())
.unwrap_or_default();
let slug = publishing_config.slug.as_deref().unwrap_or("unknown");
let theme = publishing_config.theme.as_deref().unwrap_or("blogg");
let config = &publishing_config.theme_config;
let collection_title = collection_title_opt.unwrap_or_else(|| slug.to_string());
let featured_max = publishing_config.featured_max.unwrap_or(4);
let stream_page_size = publishing_config.stream_page_size.unwrap_or(20);
let base_url = publishing_config
.custom_domain
.as_deref()
.map(|d| format!("https://{d}"))
.unwrap_or_else(|| format!("/pub/{slug}"));
// Hent artikler med tre indekserte spørringer
let (hero, featured, stream) =
fetch_index_articles_optimized(db, collection_id, featured_max, stream_page_size).await
.map_err(|e| format!("Feil ved henting av forsideartikler: {e}"))?;
let index_data = IndexData {
title: collection_title,
description: None,
hero,
featured,
stream,
};
// Render med Tera
let tera = build_tera();
let html = render_index(&tera, theme, config, &index_data, &base_url)
.map_err(|e| format!("Tera render-feil (index): {e}"))?;
// Lagre i CAS
let store_result = cas
.store(html.as_bytes())
.await
.map_err(|e| format!("CAS-lagring feilet: {e}"))?;
tracing::info!(
collection_id = %collection_id,
hash = %store_result.hash,
size = store_result.size,
deduplicated = store_result.already_existed,
"Forside rendret og lagret i CAS"
);
// Oppdater samlingens metadata.rendered_index
let now = Utc::now();
sqlx::query(
r#"
UPDATE nodes
SET metadata = jsonb_set(
jsonb_set(
jsonb_set(
CASE WHEN metadata ? 'rendered_index'
THEN metadata
ELSE jsonb_set(metadata, '{rendered_index}', '{}'::jsonb)
END,
'{rendered_index,index_hash}',
to_jsonb($2::text)
),
'{rendered_index,rendered_at}',
to_jsonb($3::text)
),
'{rendered_index,renderer_version}',
to_jsonb($4::bigint)
)
WHERE id = $1
"#,
)
.bind(collection_id)
.bind(&store_result.hash)
.bind(now.to_rfc3339())
.bind(RENDERER_VERSION)
.execute(db)
.await
.map_err(|e| format!("Feil ved oppdatering av metadata.rendered_index: {e}"))?;
tracing::info!(
collection_id = %collection_id,
index_hash = %store_result.hash,
"metadata.rendered_index oppdatert"
);
Ok(serde_json::json!({
"index_hash": store_result.hash,
"size": store_result.size,
"renderer_version": RENDERER_VERSION
}))
}
// =============================================================================
// Database-spørringer
// =============================================================================
@ -691,42 +847,25 @@ struct FetchedArticle {
edge_meta: Option<serde_json::Value>,
}
/// Hent artikler for forsiden, sortert i slots.
async fn fetch_index_articles(
/// Hent forsideartikler med tre separate, indekserte spørringer.
///
/// Hver spørring filtrerer på slot i edge.metadata og bruker
/// GIN-indeks på edges.metadata. Mer effektivt enn å hente alt
/// og filtrere i Rust, spesielt med mange artikler.
async fn fetch_index_articles_optimized(
db: &PgPool,
collection_id: Uuid,
featured_max: i64,
stream_page_size: i64,
) -> Result<(Option<ArticleData>, Vec<ArticleData>, Vec<ArticleData>), sqlx::Error> {
// Hent alle publiserte artikler med edge-metadata
let rows: Vec<(Uuid, Option<String>, Option<String>, DateTime<Utc>, Option<serde_json::Value>)> = sqlx::query_as(
r#"
SELECT n.id, n.title, n.content, n.created_at, e.metadata
FROM edges e
JOIN nodes n ON n.id = e.source_id
WHERE e.target_id = $1
AND e.edge_type = 'belongs_to'
ORDER BY COALESCE(
(e.metadata->>'publish_at')::timestamptz,
n.created_at
) DESC
"#,
)
.bind(collection_id)
.fetch_all(db)
.await?;
let mut hero: Option<ArticleData> = None;
let mut featured: Vec<ArticleData> = Vec::new();
let mut stream: Vec<ArticleData> = Vec::new();
for (id, title, content, created_at, edge_meta) in rows {
let slot = edge_meta
.as_ref()
.and_then(|m| m.get("slot"))
.and_then(|v| v.as_str())
.unwrap_or("");
// Hjelpefunksjon for å konvertere rader til ArticleData
fn row_to_article(
id: Uuid,
title: Option<String>,
content: Option<String>,
created_at: DateTime<Utc>,
edge_meta: Option<serde_json::Value>,
) -> ArticleData {
let publish_at = edge_meta
.as_ref()
.and_then(|m| m.get("publish_at"))
@ -734,11 +873,9 @@ async fn fetch_index_articles(
.and_then(|s| s.parse::<DateTime<Utc>>().ok())
.unwrap_or(created_at);
let summary = content
.as_deref()
.map(|c| truncate(c, 200));
let summary = content.as_deref().map(|c| truncate(c, 200));
let article = ArticleData {
ArticleData {
id: id.to_string(),
short_id: id.to_string()[..8].to_string(),
title: title.unwrap_or_else(|| "Uten tittel".to_string()),
@ -746,18 +883,83 @@ async fn fetch_index_articles(
summary,
published_at: publish_at.to_rfc3339(),
published_at_short: publish_at.format("%e. %B %Y").to_string(),
};
}
}
match slot {
"hero" if hero.is_none() => hero = Some(article),
"featured" if (featured.len() as i64) < featured_max => featured.push(article),
_ => {
if (stream.len() as i64) < stream_page_size {
stream.push(article);
}
}
}
}
type Row = (Uuid, Option<String>, Option<String>, DateTime<Utc>, Option<serde_json::Value>);
// 1. Hero: slot = "hero", maks 1
let hero_row: Option<Row> = sqlx::query_as(
r#"
SELECT n.id, n.title, n.content, n.created_at, e.metadata
FROM edges e
JOIN nodes n ON n.id = e.source_id
WHERE e.target_id = $1
AND e.edge_type = 'belongs_to'
AND e.metadata->>'slot' = 'hero'
LIMIT 1
"#,
)
.bind(collection_id)
.fetch_optional(db)
.await?;
let hero = hero_row.map(|(id, title, content, created_at, edge_meta)| {
row_to_article(id, title, content, created_at, edge_meta)
});
// 2. Featured: slot = "featured", sortert på slot_order
let featured_rows: Vec<Row> = sqlx::query_as(
r#"
SELECT n.id, n.title, n.content, n.created_at, e.metadata
FROM edges e
JOIN nodes n ON n.id = e.source_id
WHERE e.target_id = $1
AND e.edge_type = 'belongs_to'
AND e.metadata->>'slot' = 'featured'
ORDER BY (e.metadata->>'slot_order')::int ASC NULLS LAST
LIMIT $2
"#,
)
.bind(collection_id)
.bind(featured_max)
.fetch_all(db)
.await?;
let featured: Vec<ArticleData> = featured_rows
.into_iter()
.map(|(id, title, content, created_at, edge_meta)| {
row_to_article(id, title, content, created_at, edge_meta)
})
.collect();
// 3. Strøm: slot IS NULL (eller mangler), sortert på publish_at
let stream_rows: Vec<Row> = sqlx::query_as(
r#"
SELECT n.id, n.title, n.content, n.created_at, e.metadata
FROM edges e
JOIN nodes n ON n.id = e.source_id
WHERE e.target_id = $1
AND e.edge_type = 'belongs_to'
AND (e.metadata->>'slot' IS NULL OR e.metadata->>'slot' = '')
ORDER BY COALESCE(
(e.metadata->>'publish_at')::timestamptz,
n.created_at
) DESC
LIMIT $2
"#,
)
.bind(collection_id)
.bind(stream_page_size)
.fetch_all(db)
.await?;
let stream: Vec<ArticleData> = stream_rows
.into_iter()
.map(|(id, title, content, created_at, edge_meta)| {
row_to_article(id, title, content, created_at, edge_meta)
})
.collect();
Ok((hero, featured, stream))
}
@ -777,6 +979,12 @@ fn truncate(s: &str, max: usize) -> String {
// =============================================================================
/// GET /pub/{slug} — forside for en publikasjon.
///
/// Støtter to moduser styrt av `index_mode` i trait-konfig:
/// - **static**: Serverer pre-rendret HTML fra CAS (immutable cache).
/// Forsiden rendres til CAS via `render_index`-jobb ved publisering.
/// - **dynamic** (default): Rendrer on-the-fly med in-memory cache.
/// TTL styres av `index_cache_ttl` (default 300s).
pub async fn serve_index(
State(state): State<AppState>,
Path(slug): Path<String>,
@ -789,12 +997,74 @@ pub async fn serve_index(
})?
.ok_or(StatusCode::NOT_FOUND)?;
let index_mode = collection.publishing_config.index_mode.as_deref().unwrap_or("dynamic");
let cache_ttl = collection.publishing_config.index_cache_ttl.unwrap_or(300);
// --- Statisk modus: server fra CAS ---
if index_mode == "static" {
// Sjekk metadata.rendered_index.index_hash
let hash_row: Option<(serde_json::Value,)> = sqlx::query_as(
"SELECT metadata FROM nodes WHERE id = $1",
)
.bind(collection.id)
.fetch_optional(&state.db)
.await
.map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
if let Some((metadata,)) = hash_row {
if let Some(index_hash) = metadata
.get("rendered_index")
.and_then(|r| r.get("index_hash"))
.and_then(|h| h.as_str())
{
let cas_path = state.cas.path_for(index_hash);
if cas_path.exists() {
let html_bytes = tokio::fs::read(&cas_path).await.map_err(|e| {
tracing::error!(hash = %index_hash, error = %e, "Kunne ikke lese CAS-fil for index");
StatusCode::INTERNAL_SERVER_ERROR
})?;
return Ok(Response::builder()
.header(header::CONTENT_TYPE, "text/html; charset=utf-8")
.header(
header::CACHE_CONTROL,
"public, max-age=31536000, immutable",
)
.body(html_bytes.into())
.unwrap());
}
}
}
// Fallthrough: ingen CAS-versjon — render on-the-fly som fallback
tracing::warn!(slug = %slug, "Statisk index mangler i CAS, faller tilbake til dynamisk rendering");
}
// --- Dynamisk modus: in-memory cache med TTL ---
{
let cache = state.index_cache.read().await;
if let Some(cached) = cache.get(&collection.id) {
if cached.expires_at > Utc::now() {
let max_age = (cached.expires_at - Utc::now()).num_seconds().max(0);
return Ok(Response::builder()
.header(header::CONTENT_TYPE, "text/html; charset=utf-8")
.header(
header::CACHE_CONTROL,
format!("public, max-age={max_age}"),
)
.body(cached.html.clone().into())
.unwrap());
}
}
}
// Cache miss eller utløpt — render og cache
let theme = collection.publishing_config.theme.as_deref().unwrap_or("blogg");
let config = &collection.publishing_config.theme_config;
let config = collection.publishing_config.theme_config.clone();
let featured_max = collection.publishing_config.featured_max.unwrap_or(4);
let stream_page_size = collection.publishing_config.stream_page_size.unwrap_or(20);
let (hero, featured, stream) = fetch_index_articles(
let (hero, featured, stream) = fetch_index_articles_optimized(
&state.db,
collection.id,
featured_max,
@ -823,14 +1093,27 @@ pub async fn serve_index(
};
let tera = build_tera();
let html = render_index(&tera, theme, config, &index_data, &base_url).map_err(|e| {
let html = render_index(&tera, theme, &config, &index_data, &base_url).map_err(|e| {
tracing::error!(slug = %slug, theme = %theme, error = %e, "Tera render-feil (index)");
StatusCode::INTERNAL_SERVER_ERROR
})?;
// Legg i cache
let expires_at = Utc::now() + chrono::Duration::seconds(cache_ttl as i64);
{
let mut cache = state.index_cache.write().await;
cache.insert(collection.id, CachedIndex {
html: html.clone(),
expires_at,
});
}
Ok(Response::builder()
.header(header::CONTENT_TYPE, "text/html; charset=utf-8")
.header(header::CACHE_CONTROL, "public, max-age=60")
.header(
header::CACHE_CONTROL,
format!("public, max-age={cache_ttl}"),
)
.body(html.into())
.unwrap())
}

View file

@ -141,8 +141,7 @@ Uavhengige faser kan fortsatt plukkes.
- [x] 14.1 Tera-templates: innebygde temaer (avis, magasin, blogg, tidsskrift) med Tera i Rust. Artikkelmal + forside-mal per tema. CSS-variabler for theme_config-overstyring. Ref: `docs/concepts/publisering.md` § "Temaer".
- [x] 14.2 HTML-rendering av enkeltartikler: maskinrommet rendrer `metadata.document` til HTML via Tera, lagrer i CAS. Noden får `metadata.rendered.html_hash` + `renderer_version`. SEO-metadata (OG-tags, canonical, JSON-LD).
- [~] 14.3 Forside-rendering: maskinrommet spør PG for hero/featured/strøm (tre indekserte spørringer), appliserer tema-template, rendrer til CAS (statisk modus) eller serverer med in-memory cache (dynamisk modus). `index_mode` og `index_cache_ttl` i trait-konfig.
> Påbegynt: 2026-03-18T00:54
- [x] 14.3 Forside-rendering: maskinrommet spør PG for hero/featured/strøm (tre indekserte spørringer), appliserer tema-template, rendrer til CAS (statisk modus) eller serverer med in-memory cache (dynamisk modus). `index_mode` og `index_cache_ttl` i trait-konfig.
- [ ] 14.4 Caddy-ruting for synops.no/pub: Caddy reverse-proxyer til maskinrommet som gjør slug→hash-oppslag og streamer CAS-fil. `Cache-Control: immutable` for artikler. Kategori/arkiv/søk serveres dynamisk av maskinrommet med kortere cache-TTL.
- [ ] 14.5 Slot-håndtering i maskinrommet: `slot` og `slot_order` i `belongs_to`-edge metadata. Ved ny hero → gammel hero flyttes til strøm. Ved featured over `featured_max` → FIFO tilbake til strøm. `pinned`-flagg forhindrer automatisk fjerning.
- [ ] 14.6 Forside-admin i frontend: visuell editor for hero/featured/strøm. Drag-and-drop mellom plasser. Pin-knapp. Forhåndsvisning. Oppdaterer edge-metadata via maskinrommet.