diff --git a/.architecture-rules/frontend.yaml b/.architecture-rules/frontend.yaml
index cb08b41a..ab912b25 100644
--- a/.architecture-rules/frontend.yaml
+++ b/.architecture-rules/frontend.yaml
@@ -530,6 +530,76 @@ template_rules:
       exceptions:
         - "base.html"
 
+  - id: "TPL-013"
+    name: "Use new pagination macro API"
+    severity: "error"
+    description: |
+      The pagination macro was simplified to only accept show_condition.
+      It now relies on standardized Alpine.js component properties.
+
+      OLD (deprecated - will break):
+        {{ pagination(
+            current_page='pagination.page',
+            total_pages='totalPages',
+            ...
+        ) }}
+
+      NEW (correct):
+        {{ pagination(show_condition="!loading && pagination.total > 0") }}
+
+      Required Alpine.js component properties:
+        - pagination.page, pagination.total
+        - totalPages, pageNumbers
+        - startIndex, endIndex
+        - previousPage(), nextPage(), goToPage()
+    pattern:
+      file_pattern: "app/templates/**/*.html"
+      anti_patterns:
+        - "pagination\\s*\\([^)]*current_page\\s*="
+        - "pagination\\s*\\([^)]*total_pages\\s*="
+        - "pagination\\s*\\([^)]*page_numbers\\s*="
+      exceptions:
+        - "shared/macros/pagination.html"
+
+  - id: "TPL-014"
+    name: "Use new modal_simple macro API with call block"
+    severity: "error"
+    description: |
+      The modal_simple macro now uses {% call %}...{% endcall %} syntax.
+      Content (including buttons) goes inside the call block.
+
+      OLD (deprecated - will break):
+        {{ modal_simple(
+            show_var='showModal',
+            title='Title',
+            icon='exclamation',
+            confirm_text='OK',
+            confirm_fn='doSomething()'
+        ) }}
+        <template x-if="showModal">...</template>
+
+      NEW (correct):
+        {% call modal_simple('modalId', 'Title', show_var='showModal') %}
+        <div class="space-y-4">
+            <p>Modal content here</p>
+            <div class="flex justify-end gap-3">
+                <button @click="showModal = false">Cancel</button>
+                <button @click="doSomething()">OK</button>
+            </div>
+        </div>
+        {% endcall %}
+
+      Parameters: modal_simple(id, title, show_var='isModalOpen', size='md')
+    pattern:
+      file_pattern: "app/templates/**/*.html"
+      anti_patterns:
+        - "\\{\\{\\s*modal_simple\\s*\\("
+        - "modal_simple\\s*\\([^)]*icon\\s*="
+        - "modal_simple\\s*\\([^)]*confirm_text\\s*="
+        - "modal_simple\\s*\\([^)]*confirm_fn\\s*="
+      exceptions:
+        - "shared/macros/modals.html"
+
 # ============================================================================
 # FRONTEND COMPONENT RULES
 # ============================================================================
diff --git a/scripts/validate_architecture.py b/scripts/validate_architecture.py
index d1c78f43..92a34c4d 100755
--- a/scripts/validate_architecture.py
+++ b/scripts/validate_architecture.py
@@ -1217,6 +1217,95 @@ class ArchitectureValidator:
                         suggestion="Change outer attribute to single quotes: @click='copyCode(`...`)'",
                     )
 
+    def _check_pagination_macro_api(
+        self, file_path: Path, content: str, lines: list[str]
+    ):
+        """
+        TPL-013: Check for old pagination macro API.
+
+        The pagination macro was simplified to only accept show_condition.
+        It now relies on standardized Alpine.js component properties.
+
+        OLD (deprecated): {{ pagination(current_page=..., total_pages=...) }}
+        NEW (correct):    {{ pagination(show_condition="!loading && pagination.total > 0") }}
+        """
+        # Skip the macro definition file
+        if "shared/macros/pagination.html" in str(file_path):
+            return
+
+        if "noqa: tpl-013" in content.lower():
+            return
+
+        # Old API patterns that indicate deprecated usage
+        old_patterns = [
+            (r"pagination\s*\([^)]*current_page\s*=", "current_page"),
+            (r"pagination\s*\([^)]*total_pages\s*=", "total_pages"),
+            (r"pagination\s*\([^)]*page_numbers\s*=", "page_numbers"),
+            (r"pagination\s*\([^)]*start_index\s*=", "start_index"),
+            (r"pagination\s*\([^)]*end_index\s*=", "end_index"),
+        ]
+
+        for i, line in enumerate(lines, 1):
+            for pattern, param_name in old_patterns:
+                if re.search(pattern, line):
+                    self._add_violation(
+                        rule_id="TPL-013",
+                        rule_name="Use new pagination macro API",
+                        severity=Severity.ERROR,
+                        file_path=file_path,
+                        line_number=i,
+                        message=f"Old pagination API with '{param_name}' parameter",
+                        context=line.strip()[:80],
+                        suggestion="Use: {{ pagination(show_condition=\"!loading && pagination.total > 0\") }}",
+                    )
+                    break  # Only report once per line
+
+    def _check_modal_simple_macro_api(
+        self, file_path: Path, content: str, lines: list[str]
+    ):
+        """
+        TPL-014: Check for old modal_simple macro API.
+
+        The modal_simple macro now uses {% call %}...{% endcall %} syntax.
+        Content (including buttons) goes inside the call block.
+
+        OLD (deprecated): {{ modal_simple(show_var=..., icon=..., confirm_fn=...) }}
+        NEW (correct):    {% call modal_simple('id', 'Title', show_var='...') %}...{% endcall %}
+        """
+        # Skip the macro definition file
+        if "shared/macros/modals.html" in str(file_path):
+            return
+
+        if "noqa: tpl-014" in content.lower():
+            return
+
+        # Old API patterns - using {{ }} instead of {% call %}
+        # Also checking for old parameters that don't exist anymore
+        old_patterns = [
+            (r"\{\{\s*modal_simple\s*\(", "{{ modal_simple( instead of {% call modal_simple("),
+            (r"modal_simple\s*\([^)]*icon\s*=", "icon parameter"),
+            (r"modal_simple\s*\([^)]*icon_color\s*=", "icon_color parameter"),
+            (r"modal_simple\s*\([^)]*confirm_text\s*=", "confirm_text parameter"),
+            (r"modal_simple\s*\([^)]*confirm_fn\s*=", "confirm_fn parameter"),
+            (r"modal_simple\s*\([^)]*confirm_class\s*=", "confirm_class parameter"),
+            (r"modal_simple\s*\([^)]*loading_var\s*=", "loading_var parameter"),
+        ]
+
+        for i, line in enumerate(lines, 1):
+            for pattern, issue in old_patterns:
+                if re.search(pattern, line):
+                    self._add_violation(
+                        rule_id="TPL-014",
+                        rule_name="Use new modal_simple macro API with call block",
+                        severity=Severity.ERROR,
+                        file_path=file_path,
+                        line_number=i,
+                        message=f"Old modal_simple API: {issue}",
+                        context=line.strip()[:80],
+                        suggestion="Use: {{% call modal_simple('id', 'Title', show_var='...') %}}...{{% endcall %}}",
+                    )
+                    break  # Only report once per line
+
     def _check_alpine_template_vars(
         self, file_path: Path, content: str, lines: list[str], js_content: str
     ):
@@ -3191,6 +3280,12 @@ class ArchitectureValidator:
             # TPL-012: Check for escaped quotes in Alpine template literals
             self._check_escaped_quotes_in_alpine(file_path, content, lines)
 
+            # TPL-013: Check for old pagination macro API
+            self._check_pagination_macro_api(file_path, content, lines)
+
+            # TPL-014: Check for old modal_simple macro API
+            self._check_modal_simple_macro_api(file_path, content, lines)
+
             # Skip base/partials for TPL-001 check
             if is_base_or_partial:
                 continue