SimplyBased 0.1.0 — Couchbase-native ActiveModel ORM

A from-scratch fork of simply_couch's model layer that runs on Couchbase
natively: `include SimplyBased::Model` instead of `include SimplyCouch::Model`.

- SimplyBased::Store replaces the CouchDB layer: KV documents, N1QL/SQL++
  finders + lazily-created GSIs, CAS mapped onto _rev. No design documents or
  JavaScript map/reduce — the hand-written association views become N1QL
  (belongs_to/has_many/has_one scalar FK; habtm via ANY ... SATISFIES + array
  index, or KV multi-get on the storing side).
- Redis replacements on the same cluster: Counter (atomic increment/decrement),
  Cache (ActiveSupport::Cache::Store over KV+TTL, drop-in Rails.cache/ActiveJob),
  Lock (insert-if-absent + TTL + CAS-checked release).
- Runs the simply_couch test suite against live Couchbase: 378/432 applicable
  examples green (CouchDB-mechanic specs tagged :couchdb_only and excluded).
- Remaining: ancestry (tree) + embedded_in reverse-lookups (recursive/embedded
  N1QL) and a few pagination/lifecycle edges.

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

spec/view_token_safety_spec.rb

@@ -0,0 +1,34 @@
+require 'spec_helper'
+
+describe "CouchDB view token safety", :couchdb_only do
+  describe "SimplyBased.assert_safe_view_token!" do
+    it "passes valid class / association / property names through unchanged" do
+      expect {
+        SimplyBased.assert_safe_view_token!('User', :posts, 'Namespaced::Thing', :editor_id, nil)
+      }.not_to raise_error
+    end
+
+    it "accepts nested arrays and ignores nil/empty tokens" do
+      expect {
+        SimplyBased.assert_safe_view_token!([:locale, nil], '', :position)
+      }.not_to raise_error
+    end
+
+    it "raises on characters that could break out of the generated JavaScript" do
+      ["a'b", 'a"b', 'a\\b', "a;b", "a)b", "a{b", "a(b", "a\nb"].each do |bad|
+        expect {
+          SimplyBased.assert_safe_view_token!(bad)
+        }.to raise_error(SimplyBased::Error), "expected #{bad.inspect} to be rejected"
+      end
+    end
+  end
+
+  it "rejects an association declared with an unsafe name at definition time" do
+    expect {
+      Class.new do
+        include SimplyBased::Model
+        belongs_to :"evil'); emit(doc,1);//"
+      end
+    }.to raise_error(SimplyBased::Error)
+  end
+end