chore: server-and-serverless template

db/sqlite/0001-init.sql

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+PRAGMA foreign_keys = ON;
+
+-- Better Auth core schema. These four tables (user, session, account,
+-- verification) are owned and written entirely by Better Auth — the app never
+-- inserts into them directly; sign-up / sign-in / sessions all flow through the
+-- generated `/api/auth/**` routes (see src/auth.ts).
+--
+-- The schema is generated by Better Auth's own migration generator
+-- (`getMigrations(...).compileMigrations()`); the columns are spelled in
+-- snake_case to match the rest of the app's DB convention. Better Auth is handed
+-- the app's kysely (with CamelCasePlugin) in src/auth.ts, so its camelCase field
+-- names (emailVerified, userId, createdAt, ...) compile to exactly these
+-- snake_case columns at runtime. To change this schema (add a provider field, a
+-- plugin table, ...), re-run the generator rather than hand-editing.
+--
+-- Email + password is the default sign-in method. The credential hash is stored
+-- by Better Auth in account.password (provider_id = 'credential'), never on the
+-- user row.
+CREATE TABLE IF NOT EXISTS "user" (
+  "id" text not null primary key,
+  "name" text not null,
+  "email" text not null unique,
+  "email_verified" integer not null,
+  "image" text,
+  "created_at" date not null,
+  "updated_at" date not null
+);
+
+CREATE TABLE IF NOT EXISTS "session" (
+  "id" text not null primary key,
+  "expires_at" date not null,
+  "token" text not null unique,
+  "created_at" date not null,
+  "updated_at" date not null,
+  "ip_address" text,
+  "user_agent" text,
+  "user_id" text not null references "user" ("id") on delete cascade
+);
+
+CREATE TABLE IF NOT EXISTS "account" (
+  "id" text not null primary key,
+  "account_id" text not null,
+  "provider_id" text not null,
+  "user_id" text not null references "user" ("id") on delete cascade,
+  "access_token" text,
+  "refresh_token" text,
+  "id_token" text,
+  "access_token_expires_at" date,
+  "refresh_token_expires_at" date,
+  "scope" text,
+  "password" text,
+  "created_at" date not null,
+  "updated_at" date not null
+);
+
+CREATE TABLE IF NOT EXISTS "verification" (
+  "id" text not null primary key,
+  "identifier" text not null,
+  "value" text not null,
+  "expires_at" date not null,
+  "created_at" date not null,
+  "updated_at" date not null
+);
+
+CREATE INDEX IF NOT EXISTS "session_user_id_idx" ON "session" ("user_id");
+CREATE INDEX IF NOT EXISTS "account_user_id_idx" ON "account" ("user_id");
+CREATE INDEX IF NOT EXISTS "verification_identifier_idx" ON "verification" ("identifier");

db/sqlite/0002-message.sql

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+PRAGMA foreign_keys = ON;
+
+-- Demo "hello world" persistence: a single editable message that shows the full
+-- loop (sign in -> read from the DB -> write back -> see who last changed it).
+-- Singleton row, always id = 1. Safe to delete this table and its functions
+-- (get-message / update-message) once you start building your own thing.
+CREATE TABLE IF NOT EXISTS message_state (
+  id INTEGER PRIMARY KEY,
+  message TEXT NOT NULL,
+  updated_at TEXT NOT NULL DEFAULT (datetime('now')),
+  updated_by_user_id TEXT REFERENCES "user" ("id")
+);

db/sqlite/0003-audit.sql

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+-- Audit log. Fabric's audit service flushes events here via a per-stage
+-- CF Queue. Add this table if you want audit capture; remove it (and skip
+-- this migration) if your project has no audit requirements.
+CREATE TABLE IF NOT EXISTS audit (
+  audit_id       TEXT    NOT NULL PRIMARY KEY DEFAULT (lower(hex(randomblob(16)))),
+  occurred_at    TEXT    NOT NULL DEFAULT (datetime('now')),
+  type           TEXT    NOT NULL,
+  source         TEXT    NOT NULL DEFAULT 'auto',
+  outcome        TEXT,
+  function_id    TEXT,
+  wire_type      TEXT,
+  trace_id       TEXT,
+  transaction_id TEXT,
+  query_id       TEXT,
+  actor_user_id  TEXT,
+  actor_org_id   TEXT,
+  tables         TEXT,  -- JSON array of table names touched
+  changed_cols   TEXT,  -- JSON array of changed column names
+  event          TEXT,  -- custom event label
+  old            TEXT,  -- JSON: previous values
+  data           TEXT   -- JSON: new values / event payload
+);
+
+CREATE INDEX IF NOT EXISTS idx_audit_occurred_at  ON audit (occurred_at);
+CREATE INDEX IF NOT EXISTS idx_audit_actor        ON audit (actor_user_id) WHERE actor_user_id IS NOT NULL;
+CREATE INDEX IF NOT EXISTS idx_audit_function     ON audit (function_id)   WHERE function_id  IS NOT NULL;