Add ACMCC app source, Supabase backend, and project config

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

supabase/migrations/20260428173651_0fffd326-fd3a-4262-b826-579018abe65a.sql

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+
+ALTER TABLE public.board_vote_responses
+  ADD COLUMN IF NOT EXISTS board_member_id uuid REFERENCES public.board_members(id) ON DELETE CASCADE;
+
+ALTER TABLE public.board_vote_responses
+  ALTER COLUMN user_id DROP NOT NULL;
+
+ALTER TABLE public.board_vote_responses
+  DROP CONSTRAINT IF EXISTS board_vote_responses_board_vote_id_user_id_key;
+
+CREATE UNIQUE INDEX IF NOT EXISTS board_vote_responses_unique_user
+  ON public.board_vote_responses(board_vote_id, user_id)
+  WHERE user_id IS NOT NULL;
+
+CREATE UNIQUE INDEX IF NOT EXISTS board_vote_responses_unique_member
+  ON public.board_vote_responses(board_vote_id, board_member_id)
+  WHERE board_member_id IS NOT NULL;
+
+ALTER TABLE public.board_vote_responses
+  ADD CONSTRAINT board_vote_responses_identity_required
+  CHECK (user_id IS NOT NULL OR board_member_id IS NOT NULL);
+
+CREATE OR REPLACE FUNCTION public.record_board_vote_by_token(p_token uuid, p_option text)
+ RETURNS jsonb
+ LANGUAGE plpgsql
+ SECURITY DEFINER
+ SET search_path TO 'public'
+AS $function$
+DECLARE
+  v_token RECORD;
+  v_vote RECORD;
+  v_member RECORD;
+BEGIN
+  SELECT * INTO v_token FROM public.board_vote_email_tokens WHERE token = p_token;
+  IF v_token IS NULL THEN
+    RETURN jsonb_build_object('ok', false, 'error', 'Invalid token');
+  END IF;
+  IF v_token.voted_at IS NOT NULL THEN
+    RETURN jsonb_build_object('ok', false, 'error', 'Vote already recorded', 'already_voted', true);
+  END IF;
+
+  SELECT * INTO v_vote FROM public.board_votes WHERE id = v_token.board_vote_id;
+  IF v_vote.status <> 'open' THEN
+    RETURN jsonb_build_object('ok', false, 'error', 'Voting is closed for this item');
+  END IF;
+  IF NOT (p_option = ANY(v_vote.vote_options)) THEN
+    RETURN jsonb_build_object('ok', false, 'error', 'Invalid vote option');
+  END IF;
+
+  SELECT * INTO v_member FROM public.board_members WHERE id = v_token.board_member_id;
+
+  -- Record token usage
+  UPDATE public.board_vote_email_tokens
+  SET voted_at = now(), vote_option = p_option
+  WHERE id = v_token.id;
+
+  -- Mirror into board_vote_responses so it shows in the tally
+  IF v_member.user_id IS NOT NULL THEN
+    INSERT INTO public.board_vote_responses (board_vote_id, user_id, board_member_id, vote_option)
+    VALUES (v_token.board_vote_id, v_member.user_id, v_token.board_member_id, p_option)
+    ON CONFLICT (board_vote_id, user_id) WHERE user_id IS NOT NULL
+    DO UPDATE SET vote_option = EXCLUDED.vote_option, updated_at = now();
+  ELSE
+    INSERT INTO public.board_vote_responses (board_vote_id, board_member_id, vote_option)
+    VALUES (v_token.board_vote_id, v_token.board_member_id, p_option)
+    ON CONFLICT (board_vote_id, board_member_id) WHERE board_member_id IS NOT NULL
+    DO UPDATE SET vote_option = EXCLUDED.vote_option, updated_at = now();
+  END IF;
+
+  RETURN jsonb_build_object('ok', true);
+END;
+$function$;