feat(api): admin vocabulary + term management

GET/POST /api/admin/vocabularies and GET/POST /api/admin/vocabularies/{id}/terms;
reads gated on ViewInternal, writes on EditCatalogue; labels round-trip verified.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

crates/api/src/admin_vocab.rs

@@ -0,0 +1,215 @@
+//! Admin vocabulary + term management. Reads require `ViewInternal`; writes `EditCatalogue`.
+
+use auth::{Authorized, EditCatalogue, ViewInternal};
+use axum::{
+    Json, Router,
+    extract::{Path, State},
+    http::StatusCode,
+    routing::get,
+};
+use domain::{LocalizedLabel, NewTerm, VocabularyId};
+use serde::{Deserialize, Serialize};
+use utoipa::ToSchema;
+
+use crate::AppState;
+use crate::admin_objects::LabelView;
+
+#[derive(Serialize, ToSchema)]
+pub(crate) struct VocabularyView {
+    pub id: String,
+    pub key: String,
+}
+
+#[derive(Deserialize, ToSchema)]
+pub(crate) struct NewVocabularyRequest {
+    pub key: String,
+}
+
+#[derive(Deserialize, ToSchema)]
+pub(crate) struct LabelInput {
+    pub lang: String,
+    pub label: String,
+}
+
+#[derive(Deserialize, ToSchema)]
+pub(crate) struct NewTermRequest {
+    pub external_uri: Option<String>,
+    pub labels: Vec<LabelInput>,
+}
+
+#[derive(Serialize, ToSchema)]
+pub(crate) struct TermView {
+    pub id: String,
+    pub external_uri: Option<String>,
+    pub labels: Vec<LabelView>,
+}
+
+#[derive(Serialize, ToSchema)]
+pub(crate) struct CreatedId {
+    pub id: String,
+}
+
+#[utoipa::path(
+    get, path = "/api/admin/vocabularies",
+    responses(
+        (status = 200, body = [VocabularyView]),
+        (status = 401),
+        (status = 403)
+    )
+)]
+pub(crate) async fn list_vocabularies(
+    _auth: Authorized<ViewInternal>,
+    State(state): State<AppState>,
+) -> Result<Json<Vec<VocabularyView>>, StatusCode> {
+    let vocabs = db::vocab::list_vocabularies(state.db.pool())
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
+
+    Ok(Json(
+        vocabs
+            .into_iter()
+            .map(|vocab| VocabularyView {
+                id: vocab.id.to_string(),
+                key: vocab.key,
+            })
+            .collect(),
+    ))
+}
+
+#[utoipa::path(
+    post, path = "/api/admin/vocabularies",
+    request_body = NewVocabularyRequest,
+    responses(
+        (status = 201, body = VocabularyView),
+        (status = 401),
+        (status = 403)
+    )
+)]
+pub(crate) async fn create_vocabulary(
+    _auth: Authorized<EditCatalogue>,
+    State(state): State<AppState>,
+    Json(req): Json<NewVocabularyRequest>,
+) -> Result<(StatusCode, Json<VocabularyView>), StatusCode> {
+    let vocab = db::vocab::create_vocabulary(state.db.pool(), &req.key)
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
+
+    Ok((
+        StatusCode::CREATED,
+        Json(VocabularyView {
+            id: vocab.id.to_string(),
+            key: vocab.key,
+        }),
+    ))
+}
+
+#[utoipa::path(
+    get, path = "/api/admin/vocabularies/{id}/terms",
+    params(("id" = String, Path, description = "Vocabulary id (UUID)")),
+    responses(
+        (status = 200, body = [TermView]),
+        (status = 401),
+        (status = 403),
+        (status = 404)
+    )
+)]
+pub(crate) async fn list_terms(
+    _auth: Authorized<ViewInternal>,
+    State(state): State<AppState>,
+    Path(id): Path<String>,
+) -> Result<Json<Vec<TermView>>, StatusCode> {
+    let vocab_id = id
+        .parse::<VocabularyId>()
+        .map_err(|_| StatusCode::NOT_FOUND)?;
+
+    let terms = db::vocab::list_terms(state.db.pool(), vocab_id)
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
+
+    Ok(Json(
+        terms
+            .into_iter()
+            .map(|term| TermView {
+                id: term.id.to_string(),
+                external_uri: term.external_uri,
+                labels: term
+                    .labels
+                    .into_iter()
+                    .map(|label| LabelView {
+                        lang: label.lang,
+                        label: label.label,
+                    })
+                    .collect(),
+            })
+            .collect(),
+    ))
+}
+
+#[utoipa::path(
+    post, path = "/api/admin/vocabularies/{id}/terms",
+    request_body = NewTermRequest,
+    params(("id" = String, Path, description = "Vocabulary id (UUID)")),
+    responses(
+        (status = 201, body = CreatedId),
+        (status = 401),
+        (status = 403),
+        (status = 404)
+    )
+)]
+pub(crate) async fn add_term(
+    _auth: Authorized<EditCatalogue>,
+    State(state): State<AppState>,
+    Path(id): Path<String>,
+    Json(req): Json<NewTermRequest>,
+) -> Result<(StatusCode, Json<CreatedId>), StatusCode> {
+    let vocabulary_id = id
+        .parse::<VocabularyId>()
+        .map_err(|_| StatusCode::NOT_FOUND)?;
+
+    let new = NewTerm {
+        vocabulary_id,
+        external_uri: req.external_uri,
+        labels: req
+            .labels
+            .into_iter()
+            .map(|label| LocalizedLabel {
+                lang: label.lang,
+                label: label.label,
+            })
+            .collect(),
+    };
+
+    let mut tx = state
+        .db
+        .pool()
+        .begin()
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
+
+    let term_id = db::vocab::add_term(&mut tx, &new)
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
+
+    tx.commit()
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
+
+    Ok((
+        StatusCode::CREATED,
+        Json(CreatedId {
+            id: term_id.to_string(),
+        }),
+    ))
+}
+
+pub(crate) fn routes() -> Router<AppState> {
+    Router::new()
+        .route(
+            "/api/admin/vocabularies",
+            get(list_vocabularies).post(create_vocabulary),
+        )
+        .route(
+            "/api/admin/vocabularies/{id}/terms",
+            get(list_terms).post(add_term),
+        )
+}

crates/api/src/lib.rs

@@ -2,6 +2,7 @@
 
 mod admin;
 mod admin_objects;
+mod admin_vocab;
 mod health;
 mod openapi;
 mod pagination;
@@ -43,6 +44,7 @@ pub fn build_app(state: AppState) -> Router {
         .merge(public::routes())
         .merge(admin::routes())
         .merge(admin_objects::routes())
+        .merge(admin_vocab::routes())
         .layer(session_layer)
         .with_state(state)
 }

crates/api/src/openapi.rs

@@ -1,7 +1,7 @@
 use axum::{Json, Router, extract::State, routing::get};
 use utoipa::OpenApi;
 
-use crate::{AppState, admin, admin_objects, health, public};
+use crate::{AppState, admin, admin_objects, admin_vocab, health, public};
 
 #[derive(OpenApi)]
 #[openapi(
@@ -21,7 +21,11 @@ use crate::{AppState, admin, admin_objects, health, public};
         admin_objects::update_object,
         admin_objects::delete_object,
         admin_objects::list_field_definitions,
-        admin_objects::set_fields
+        admin_objects::set_fields,
+        admin_vocab::list_vocabularies,
+        admin_vocab::create_vocabulary,
+        admin_vocab::list_terms,
+        admin_vocab::add_term
     ),
     components(schemas(
         health::Live,
@@ -37,7 +41,13 @@ use crate::{AppState, admin, admin_objects, health, public};
         admin_objects::ObjectCreateRequest,
         admin_objects::ObjectUpdateRequest,
         admin_objects::CreatedObject,
-        admin_objects::FieldDefinitionView
+        admin_objects::FieldDefinitionView,
+        admin_vocab::VocabularyView,
+        admin_vocab::NewVocabularyRequest,
+        admin_vocab::NewTermRequest,
+        admin_vocab::LabelInput,
+        admin_vocab::TermView,
+        admin_vocab::CreatedId
     )),
     info(title = "Collection Management System", version = "0.0.0")
 )]