first commit

migrations/00001_init_schema.sql

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+-- Initial tables (ported from Alembic revision 51089e76be28)
+-- Created: 2025-11-04 14:43:35.891617
+
+CREATE TABLE IF NOT EXISTS pair (
+  id TEXT PRIMARY KEY,
+  group_id INTEGER NOT NULL,
+  week_start TEXT NOT NULL,
+  user1_id INTEGER NOT NULL,
+  user2_id INTEGER NOT NULL,
+  created_at TEXT NOT NULL,
+  CONSTRAINT uix_pairs_week_user UNIQUE (group_id, week_start, user1_id, user2_id)
+);
+
+CREATE TABLE IF NOT EXISTS participant (
+  id TEXT PRIMARY KEY,
+  group_id INTEGER NOT NULL,
+  user_id INTEGER NOT NULL,
+  username TEXT NOT NULL,
+  full_name TEXT NOT NULL,
+  created_at TEXT NOT NULL,
+  CONSTRAINT uix_participants_group_user UNIQUE (group_id, user_id)
+);
+
+CREATE TABLE IF NOT EXISTS poll_mapping (
+  poll_id TEXT PRIMARY KEY,
+  group_id INTEGER NOT NULL
+);

migrations/00002_add_message_id_to_poll_mapping.sql

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+-- Added by us: store the poll message_id for pin/unpin logic
+
+ALTER TABLE poll_mapping
+ADD COLUMN message_id INTEGER NOT NULL DEFAULT 0;