diff --git a/.github/workflows/locked_deps.yml b/.github/workflows/locked_deps.yml
index eb6621c..6416f7d 100644
--- a/.github/workflows/locked_deps.yml
+++ b/.github/workflows/locked_deps.yml
@@ -73,6 +73,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v6
 
+      - name: Install tree-sitter library
+        uses: kettle-rb/ts-grammar-action@main
+
       - name: Setup Ruby & RubyGems
         uses: ruby/setup-ruby@v1
         with:
@@ -81,19 +84,5 @@ jobs:
           bundler: ${{ matrix.bundler }}
           bundler-cache: true
 
-      - name: "[Attempt 1] Appraisal for ${{ matrix.ruby }}@${{ matrix.appraisal }}"
-        id: bundleAppraisalAttempt1
-        if: ${{ !env.ACT }}
-        run: bundle exec appraisal ${{ matrix.appraisal }} install
-        # Continue to the next step on failure
-        continue-on-error: true
-
-      # Effectively an automatic retry of the previous step.
-      - name: "[Attempt 2] Appraisal for ${{ matrix.ruby }}@${{ matrix.appraisal }}"
-        id: bundleAppraisalAttempt2
-        # If bundleAppraisalAttempt1 failed, try again here; Otherwise skip.
-        if: ${{ steps.bundleAppraisalAttempt1.outcome == 'failure' && !env.ACT }}
-        run: bundle exec appraisal ${{ matrix.appraisal }} install
-
       - name: Checks the kitchen sink via ${{ matrix.exec_cmd }}
         run: bundle exec ${{ matrix.exec_cmd }}
diff --git a/Gemfile b/Gemfile
index 24bcdb3..25dbd0b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -27,7 +27,7 @@ gem "nomono", "~> 1.0"
 gem "logger"
 
 # Templating (env-switched: KETTLE_RB_DEV=true for local paths)
-eval_gemfile "gemfiles/modular/templating.gemfile" if ENV.fetch("K_JEM_TEMPLATING", "true").casecmp("true").zero?
+eval_gemfile "gemfiles/modular/templating.gemfile" if ENV.fetch("K_JEM_TEMPLATING", "false").casecmp("true").zero?
 
 # Debugging
 eval_gemfile "gemfiles/modular/debug.gemfile"
diff --git a/README.md b/README.md
index 7e8fc06..57a4049 100644
--- a/README.md
+++ b/README.md
@@ -248,12 +248,18 @@ A gem that needs zero new top-level namespaces from this dependency can load the
 namespace. On Ruby 3.1+, use `Kernel.load(path, module)`:
 
 ```ruby
-auth_sanitizer_spec = Gem.loaded_specs["auth-sanitizer"] ||
-  Gem::Specification.find_by_name("auth-sanitizer")
+auth_sanitizer_requirement = Gem::Requirement.new("~> 0.1", ">= 0.1.3")
+auth_sanitizer_spec = Gem.loaded_specs["auth-sanitizer"]
+unless auth_sanitizer_spec && auth_sanitizer_requirement.satisfied_by?(auth_sanitizer_spec.version)
+  auth_sanitizer_spec = Gem::Specification.find_by_name("auth-sanitizer", auth_sanitizer_requirement)
+end
 auth_sanitizer_loader_path = File.join(
   auth_sanitizer_spec.full_gem_path,
   "lib/auth_sanitizer/loader.rb",
 )
+unless File.file?(auth_sanitizer_loader_path)
+  raise LoadError, "auth-sanitizer #{auth_sanitizer_requirement} loader not found at #{auth_sanitizer_loader_path}"
+end
 
 auth_sanitizer_loader_namespace = Module.new
 Kernel.load(auth_sanitizer_loader_path, auth_sanitizer_loader_namespace)
@@ -274,12 +280,18 @@ Ruby 2.2 through Ruby 3.0 do not support `Kernel.load(path, module)`. For those
 inside an anonymous namespace with `Module#module_eval`:
 
 ```ruby
-auth_sanitizer_spec = Gem.loaded_specs["auth-sanitizer"] ||
-  Gem::Specification.find_by_name("auth-sanitizer")
+auth_sanitizer_requirement = Gem::Requirement.new("~> 0.1", ">= 0.1.3")
+auth_sanitizer_spec = Gem.loaded_specs["auth-sanitizer"]
+unless auth_sanitizer_spec && auth_sanitizer_requirement.satisfied_by?(auth_sanitizer_spec.version)
+  auth_sanitizer_spec = Gem::Specification.find_by_name("auth-sanitizer", auth_sanitizer_requirement)
+end
 auth_sanitizer_loader_path = File.join(
   auth_sanitizer_spec.full_gem_path,
   "lib/auth_sanitizer/loader.rb",
 )
+unless File.file?(auth_sanitizer_loader_path)
+  raise LoadError, "auth-sanitizer #{auth_sanitizer_requirement} loader not found at #{auth_sanitizer_loader_path}"
+end
 
 auth_sanitizer_loader_namespace = Module.new
 auth_sanitizer_loader_namespace.module_eval(