feat: Implement multi-tenancy with new database migrations, API updates across services, and refactor frontend API calls.

shared/common/src/auth.rs

@@ -6,11 +6,12 @@ use chrono::{Utc, Duration};
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Claims {
     pub sub: Uuid,
+    pub org: Uuid,
     pub exp: i64,
     pub role: String,
 }
 
-pub fn create_jwt(user_id: Uuid, role: &str) -> Result<String, jsonwebtoken::errors::Error> {
+pub fn create_jwt(user_id: Uuid, organization_id: Uuid, role: &str) -> Result<String, jsonwebtoken::errors::Error> {
     let expiration = Utc::now()
         .checked_add_signed(Duration::hours(24))
         .expect("valid timestamp")
@@ -18,6 +19,7 @@ pub fn create_jwt(user_id: Uuid, role: &str) -> Result<String, jsonwebtoken::err
 
     let claims = Claims {
         sub: user_id,
+        org: organization_id,
         exp: expiration,
         role: role.to_string(),
     };