Fix companions API (column rename), home search, search URL params

- Fix companion_relationships column: relationship → companion_type (with AS alias)
- Home page search passes query via ?q= URL param
- Search page reads ?q= on load and auto-searches

herbapi-api/src/db/companions.rs

@@ -6,7 +6,7 @@ use super::models::{CompanionRelationship, CompanionWithNames, CreateCompanion};
 
 pub async fn list_all(pool: &PgPool) -> Result<Vec<CompanionWithNames>> {
     sqlx::query_as::<_, CompanionWithNames>(
-        "SELECT cr.id, cr.species_a_id, cr.species_b_id, cr.relationship,
+        "SELECT cr.id, cr.species_a_id, cr.species_b_id, cr.companion_type AS relationship,
                 cr.mechanism, cr.source_url, cr.created_at,
                 sa.name_scientific AS species_a_scientific,
                 sa.name_de AS species_a_de,
@@ -28,9 +28,10 @@ pub async fn list_all(pool: &PgPool) -> Result<Vec<CompanionWithNames>> {
 
 pub async fn list_for_species(pool: &PgPool, species_id: Uuid) -> Result<Vec<CompanionRelationship>> {
     sqlx::query_as::<_, CompanionRelationship>(
-        "SELECT * FROM companion_relationships
+        "SELECT id, species_a_id, species_b_id, companion_type AS relationship, mechanism, source_url, created_at
+         FROM companion_relationships
          WHERE species_a_id = $1 OR species_b_id = $1
-         ORDER BY relationship, created_at"
+         ORDER BY companion_type, created_at"
     )
     .bind(species_id)
     .fetch_all(pool)
@@ -48,8 +49,9 @@ pub async fn create(pool: &PgPool, req: &CreateCompanion) -> Result<CompanionRel
     };
 
     sqlx::query_as::<_, CompanionRelationship>(
-        "INSERT INTO companion_relationships (id, species_a_id, species_b_id, relationship, mechanism, source_url)
-         VALUES ($1, $2, $3, $4::companion_type, $5, $6) RETURNING *"
+        "INSERT INTO companion_relationships (id, species_a_id, species_b_id, companion_type, mechanism, source_url)
+         VALUES ($1, $2, $3, $4, $5, $6)
+         RETURNING id, species_a_id, species_b_id, companion_type AS relationship, mechanism, source_url, created_at"
     )
     .bind(id).bind(a).bind(b).bind(&req.relationship)
     .bind(&req.mechanism).bind(&req.source_url)