Add message reporting and account deletion

- Add user message reporting via long press menu
- Add delete-account edge function for App Store compliance
- Update admin moderation page with AI/User tabs

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/supabase/migrations/20260107000000_add_message_reports.sql

@@ -0,0 +1,65 @@
+-- Create enum for report reasons
+CREATE TYPE report_reason AS ENUM ('harassment', 'spam', 'inappropriate_content', 'other');
+
+-- Create message_reports table
+CREATE TABLE message_reports (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    message_id UUID NOT NULL REFERENCES messages(id) ON DELETE CASCADE,
+    reporter_id UUID NOT NULL REFERENCES auth.users(id) ON DELETE CASCADE,
+    reason report_reason NOT NULL,
+    status TEXT NOT NULL DEFAULT 'pending' CHECK (status IN ('pending', 'reviewed', 'dismissed')),
+    reviewed_by UUID REFERENCES auth.users(id),
+    reviewed_at TIMESTAMPTZ,
+    created_at TIMESTAMPTZ DEFAULT now(),
+
+    -- Prevent duplicate reports from same user
+    UNIQUE(message_id, reporter_id)
+);
+
+-- Indexes for efficient queries
+CREATE INDEX idx_message_reports_status ON message_reports(status);
+CREATE INDEX idx_message_reports_created ON message_reports(created_at DESC);
+CREATE INDEX idx_message_reports_message ON message_reports(message_id);
+
+-- Enable RLS
+ALTER TABLE message_reports ENABLE ROW LEVEL SECURITY;
+
+-- RLS Policies
+
+-- Users can view their own reports
+CREATE POLICY "Users can view own reports"
+    ON message_reports FOR SELECT
+    USING (reporter_id = auth.uid());
+
+-- Users can create reports for messages in their couple's matches (but NOT their own messages)
+CREATE POLICY "Users can report partner messages"
+    ON message_reports FOR INSERT
+    WITH CHECK (
+        reporter_id = auth.uid() AND
+        EXISTS (
+            SELECT 1 FROM messages m
+            JOIN matches ma ON ma.id = m.match_id
+            JOIN profiles p ON p.couple_id = ma.couple_id
+            WHERE m.id = message_reports.message_id
+            AND p.id = auth.uid()
+            AND m.user_id != auth.uid()  -- Cannot report own messages
+        )
+    );
+
+-- Admins can view all reports
+CREATE POLICY "Admins can view all reports"
+    ON message_reports FOR SELECT
+    USING (is_admin());
+
+-- Admins can update reports (for review status)
+CREATE POLICY "Admins can update reports"
+    ON message_reports FOR UPDATE
+    USING (is_admin());
+
+-- Add to realtime for live updates in admin
+ALTER PUBLICATION supabase_realtime ADD TABLE message_reports;
+
+-- Comments
+COMMENT ON TABLE message_reports IS 'User-submitted reports for messages. Separate from AI moderation (moderation_status on messages table).';
+COMMENT ON COLUMN message_reports.status IS 'Report status: pending (new), reviewed (action taken), dismissed (no action needed).';
+COMMENT ON COLUMN message_reports.reason IS 'User-selected reason for reporting: harassment, spam, inappropriate_content, or other.';