fix: add ::uuid casts to all agent_sessions queries

PostgreSQL can't implicitly coerce text params to UUID columns.
Add explicit ::uuid casts on id and project_id in all agent session
routes (list, get, patch, stop, approve).

Made-with: Cursor

app/api/projects/[projectId]/agent/sessions/route.ts

@@ -69,7 +69,7 @@ export async function POST(
     const owns = await query<{ id: string; data: Record<string, unknown> }>(
       `SELECT p.id, p.data FROM fs_projects p
        JOIN fs_users u ON u.id = p.user_id
-       WHERE p.id = $1 AND u.data->>'email' = $2 LIMIT 1`,
+       WHERE p.id = $1::uuid AND u.data->>'email' = $2 LIMIT 1`,
       [projectId, session.user.email]
     );
     if (owns.length === 0) {
@@ -81,7 +81,7 @@ export async function POST(
     // Create the session row
     const rows = await query<{ id: string }>(
       `INSERT INTO agent_sessions (project_id, app_name, app_path, task, status, started_at)
-       VALUES ($1, $2, $3, $4, 'running', now())
+       VALUES ($1::uuid, $2, $3, $4, 'running', now())
        RETURNING id`,
       [projectId, appName, appPath, task.trim()]
     );
@@ -114,7 +114,7 @@ export async function POST(
                'type', 'error',
                'text', 'Agent runner service is not connected yet. Phase 2 implementation pending.'
              ))
-         WHERE id = $1`,
+         WHERE id = $1::uuid`,
         [sessionId]
       ).catch(() => {});
     });
@@ -159,7 +159,7 @@ export async function GET(
        FROM agent_sessions s
        JOIN fs_projects p ON p.id = s.project_id
        JOIN fs_users u ON u.id = p.user_id
-       WHERE s.project_id = $1 AND u.data->>'email' = $2
+       WHERE s.project_id = $1::uuid AND u.data->>'email' = $2
        ORDER BY s.created_at DESC
        LIMIT 50`,
       [projectId, session.user.email]