diff --git a/lib/supabase.ts b/lib/supabase.ts
index 3084f2c2..d3312477 100644
--- a/lib/supabase.ts
+++ b/lib/supabase.ts
@@ -343,6 +343,159 @@ export interface Database {
         };
         Relationships: [];
       };
+      pl_points: {
+        Row: {
+          id: string;
+          address: string;
+          action: string;
+          points: number;
+          metadata: Record<string, unknown> | null;
+          created_at: string;
+        };
+        Insert: {
+          id?: string;
+          address: string;
+          action: string;
+          points: number;
+          metadata?: Record<string, unknown> | null;
+          created_at?: string;
+        };
+        Update: {
+          id?: string;
+          address?: string;
+          action?: string;
+          points?: number;
+          metadata?: Record<string, unknown> | null;
+          created_at?: string;
+        };
+        Relationships: [];
+      };
+      pl_referrals: {
+        Row: {
+          id: string;
+          referrer_address: string;
+          referred_address: string;
+          referral_code: string;
+          created_at: string;
+        };
+        Insert: {
+          id?: string;
+          referrer_address: string;
+          referred_address: string;
+          referral_code: string;
+          created_at?: string;
+        };
+        Update: {
+          id?: string;
+          referrer_address?: string;
+          referred_address?: string;
+          referral_code?: string;
+          created_at?: string;
+        };
+        Relationships: [];
+      };
+      pl_referral_codes: {
+        Row: {
+          address: string;
+          code: string;
+          is_farcaster_username: boolean;
+        };
+        Insert: {
+          address: string;
+          code: string;
+          is_farcaster_username?: boolean;
+        };
+        Update: {
+          address?: string;
+          code?: string;
+          is_farcaster_username?: boolean;
+        };
+        Relationships: [];
+      };
+      pl_streaks: {
+        Row: {
+          address: string;
+          current_streak: number;
+          last_checkin: string | null;
+          longest_streak: number;
+        };
+        Insert: {
+          address: string;
+          current_streak?: number;
+          last_checkin?: string | null;
+          longest_streak?: number;
+        };
+        Update: {
+          address?: string;
+          current_streak?: number;
+          last_checkin?: string | null;
+          longest_streak?: number;
+        };
+        Relationships: [];
+      };
+      pl_daily_prices: {
+        Row: {
+          id: number;
+          price_usd: number;
+          supply: number;
+          mcap_usd: number;
+          recorded_at: string;
+        };
+        Insert: {
+          id?: never;
+          price_usd: number;
+          supply: number;
+          mcap_usd: number;
+          recorded_at?: string;
+        };
+        Update: {
+          id?: never;
+          price_usd?: number;
+          supply?: number;
+          mcap_usd?: number;
+          recorded_at?: string;
+        };
+        Relationships: [];
+      };
+      pl_weekly_snapshots: {
+        Row: {
+          id: number;
+          week_number: number;
+          week_start: string;
+          new_stories: number;
+          token_buys: number;
+          new_referrals: number;
+          mcap_start: number | null;
+          mcap_end: number | null;
+          total_pl_earned: number;
+          created_at: string;
+        };
+        Insert: {
+          id?: never;
+          week_number: number;
+          week_start: string;
+          new_stories?: number;
+          token_buys?: number;
+          new_referrals?: number;
+          mcap_start?: number | null;
+          mcap_end?: number | null;
+          total_pl_earned?: number;
+          created_at?: string;
+        };
+        Update: {
+          id?: never;
+          week_number?: number;
+          week_start?: string;
+          new_stories?: number;
+          token_buys?: number;
+          new_referrals?: number;
+          mcap_start?: number | null;
+          mcap_end?: number | null;
+          total_pl_earned?: number;
+          created_at?: string;
+        };
+        Relationships: [];
+      };
       trade_history: {
         Row: {
           id: number;
@@ -562,3 +715,9 @@ export type Rating = Database["public"]["Tables"]["ratings"]["Row"];
 export type Comment = Database["public"]["Tables"]["comments"]["Row"];
 export type TradeHistory = Database["public"]["Tables"]["trade_history"]["Row"];
 export type User = Database["public"]["Tables"]["users"]["Row"];
+export type PlPoint = Database["public"]["Tables"]["pl_points"]["Row"];
+export type PlReferral = Database["public"]["Tables"]["pl_referrals"]["Row"];
+export type PlReferralCode = Database["public"]["Tables"]["pl_referral_codes"]["Row"];
+export type PlStreak = Database["public"]["Tables"]["pl_streaks"]["Row"];
+export type PlDailyPrice = Database["public"]["Tables"]["pl_daily_prices"]["Row"];
+export type PlWeeklySnapshot = Database["public"]["Tables"]["pl_weekly_snapshots"]["Row"];
diff --git a/package.json b/package.json
index 4d394ced..b5cd963d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "plotlink",
-  "version": "0.1.26",
+  "version": "0.1.27",
   "private": true,
   "workspaces": [
     "packages/*"
diff --git a/supabase/migrations/00035_airdrop_tables.sql b/supabase/migrations/00035_airdrop_tables.sql
new file mode 100644
index 00000000..3bd409a1
--- /dev/null
+++ b/supabase/migrations/00035_airdrop_tables.sql
@@ -0,0 +1,62 @@
+-- Airdrop campaign tables (#878)
+-- Parent: #877
+
+-- PL Point ledger (append-only)
+CREATE TABLE pl_points (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  address TEXT NOT NULL,
+  action TEXT NOT NULL,            -- 'buy', 'referral', 'write', 'rate'
+  points NUMERIC NOT NULL,
+  metadata JSONB,                  -- { tx_hash, storyline_id, referred_address, trade_id }
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+CREATE INDEX idx_pl_points_address ON pl_points (address);
+CREATE INDEX idx_pl_points_action ON pl_points (action);
+
+-- Referral relationships
+CREATE TABLE pl_referrals (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  referrer_address TEXT NOT NULL,
+  referred_address TEXT NOT NULL UNIQUE,
+  referral_code TEXT NOT NULL,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+CREATE INDEX idx_pl_referrals_referrer ON pl_referrals (referrer_address);
+
+-- Referral codes (one per wallet, immutable once set)
+CREATE TABLE pl_referral_codes (
+  address TEXT PRIMARY KEY,
+  code TEXT NOT NULL UNIQUE,
+  is_farcaster_username BOOLEAN NOT NULL DEFAULT FALSE
+);
+
+-- Daily check-in streaks
+CREATE TABLE pl_streaks (
+  address TEXT PRIMARY KEY,
+  current_streak INTEGER NOT NULL DEFAULT 0,
+  last_checkin TIMESTAMPTZ,
+  longest_streak INTEGER NOT NULL DEFAULT 0
+);
+
+-- Daily PLOT price snapshots (for TWAP)
+CREATE TABLE pl_daily_prices (
+  id SERIAL PRIMARY KEY,
+  price_usd NUMERIC NOT NULL,
+  supply NUMERIC NOT NULL,
+  mcap_usd NUMERIC NOT NULL,
+  recorded_at DATE NOT NULL UNIQUE DEFAULT CURRENT_DATE
+);
+
+-- Weekly campaign stats
+CREATE TABLE pl_weekly_snapshots (
+  id SERIAL PRIMARY KEY,
+  week_number INTEGER NOT NULL UNIQUE,
+  week_start DATE NOT NULL,
+  new_stories INTEGER NOT NULL DEFAULT 0,
+  token_buys INTEGER NOT NULL DEFAULT 0,
+  new_referrals INTEGER NOT NULL DEFAULT 0,
+  mcap_start NUMERIC,
+  mcap_end NUMERIC,
+  total_pl_earned NUMERIC NOT NULL DEFAULT 0,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);