Today I finished the invitation flow for my team task management project. At first, the feature looked simple: invite a user by email and let them join a team. But once I started building it, I realized there were a few real-world cases to handle. What the invitation flow does A team owner can invite someone using their email address. When an invitation is sent: the system checks if the user is already a team member it checks if there is already a pending invitation for that same email in that team if everything is valid, an invitation record is created with a token When the invited user accepts: the system verifies the logged-in user matches the invited email the user gets attached to the team the invitation gets deleted What I learned The biggest lesson was learning where code should live. My controller worked, but it started getting crowded fast.…